With __"Resource Discovery"__, a resource user asks for a resource, and if it isn't found in the local resource registry, the resource locator searches for it in external locations.
What is "Resource Discovery"The mechanism you're referring to is known as "Resource Discovery". Resource Discovery allows a system to locate and use resources that may be located in different areas of the network, instead of relying only on local resources.
It's particularly valuable in distributed systems where resources might be spread across different servers or locations. If the required resource is not available locally, the system will employ various algorithms and strategies to search for the resource in external or remote locations.
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Edhesive 2. 5 Coding Practice (we are using Python)
I have to copy and paste the following code and modify the code so that it asks the user to multiply two random numbers from 1 to 10 inclusive. I am unsure how to do this.
import random
random. Seed()
# TODO: Update the following two lines with a call to a function
# from the random library that generates a random number between
# 1 and 10, inclusive.
a = 6 # HINT: Replace 6 with a function call
b = 3 # HINT: Replace 3 with a function call
print ("What is: " + str(a) + " X " + str(b) + "?")
ans = int(input("Your answer: "))
if (a * b == ans):
print ("Correct!")
else:
print ("Incorrect!")
The following code will ask the user to multiply two random numbers from 1 to 10 inclusive. import random. Seed()a = random. r and int(1,10)b = random. r and int(1,10)print ("What is: " + str(a) + " X " + str(b) + "?") ans = int(input("Your answer: "))if (a * b == ans): print ("Correct!")else: print ("Incorrect!")
Explanation:From the above code, we know that the random library is used to generate a random number. random. Seed() is used to generate a seed that will ensure that a new random number is generated each time the code is run. The next step is to update the two lines of code to generate two random numbers between 1 and 10. The updated code is as follows:a = random. r and int(1,10) # Replace 6 with a function call b = random.r and int(1,10) # Replace 3 with a function call.
The print statement will output the question to the user, which will be "What is: x X y?", where x and y are random numbers between 1 and 10 inclusive. The user will be asked to input their answer to the question. The code then checks if the user's answer is correct or incorrect. If the answer is correct, the code outputs "Correct!". If the answer is incorrect, the code outputs "Incorrect!".
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I need to know the diferences between PAN, LAN, CAN, MAN and WAN.
Answer:
LAN
The most basic and common type of network, a LAN, or local area network, is a network connecting a group of devices in a “local” area, usually within the same building. These connections are generally powered through the use of Ethernet cables, which have length limitations, as the speed of the connection will degrade beyond a certain length.
A WLAN, or wireless LAN, is a subtype of LAN. It uses WiFi to make the LAN wireless through the use of a wireless router.
HAN
A HAN, or home area network, is a network connecting devices within a home. These networks are a type of LAN. All the devices inside the household, including computers, smartphones, game consoles, televisions, and home assistants that are connected to the router are a part of the HAN.
CAN
A CAN, or campus area network, usually comprises several LANs. They cover a campus, connecting several buildings to the main firewall. A university could use a CAN, as could a corporate headquarters.
MAN
Even larger than a CAN, a MAN is a metropolitan area network. These can cover an area as large as a city, linking multiple LANs through a wired backhaul. An example of a MAN would be a citywide WiFi network.
WAN
In contrast to the smaller LAN and HANs, a WAN is a wide area network, covering any distance necessary. The Internet could be considered a WAN that covers the entire Earth.
Answer:
A personal area network (PAN) is formed when two or more computers or cell phones interconnect to one another wirelessly over a short range, typically less than about 30feet.
A local area network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home. A LAN can be small or large, ranging from a home network with one user to an enterprise network with thousands of users and devices in an office or school.
A campus network, campus area network, corporate area network or CAN is a computer network made up of an interconnection of local area networks (LANs) within a limited geographical area.
A metropolitan area network (MAN) is a computer network that interconnects users with computer resources in a geographic region of the size of a metropolitan area.
A wide area network (also known as WAN), is a large network of information that is not tied to a single location. WANs can facilitate communication, the sharing of information and much more between devices from around the world through a WAN provider.
Explanation:
explanation on top
Which computer databases would you search if you had images of a cartridge casing that had been ejected during a shooting?
These databases include the National Integrated Ballistic Information Network (NIBIN), eTrace, and IBIS (Integrated Ballistic Identification System).National Integrated Ballistic Information Network (NIBIN)NIBIN is a computerized system used to acquire, store, and compare digital images of firearm-related evidence, including cartridge cases and bullets.
It is a repository for ballistic evidence that has been recovered from crime scenes and firearms-related incidents.
The database is searchable to provide leads in investigations and allows for the linking of ballistic evidence to other crime scenes and incidents. eTraceeTrace is a web-based system that provides firearm tracking capabilities to law enforcement agencies.
It enables law enforcement officials to trace firearms used in the commission of crimes, thereby facilitating investigations. Integrated Ballistic Identification System (IBIS)The Integrated Ballistic Identification System (IBIS) is a digital network that compares ballistic evidence to generate leads in an investigation.
It is utilized to analyze images of cartridge casings and bullets collected from crime scenes and weapons-related incidents. It enables the sharing of ballistic evidence between law enforcement agencies, allowing for faster identification and tracking of criminals.
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On the Setup Type page, Standalone CA is already selected. Answer thefollowing question and then clickNext.Question1Why isn't enterprise CA available?
On the Setup Type page, Standalone CA is already selected. An enterprise CA is not available because it requires Active Directory Domain Services.
The Enterprise CA is used in a domain environment, and it can only be installed on a domain-joined machine. The Enterprise CA is used in larger organizations with many users or computers, and a PKI with an enterprise CA is designed to meet the increased security needs of these larger environments. The enterprise CA uses group policies to propagate its certificate chain to all computers and users in the domain. This means that once the domain is configured to use the enterprise CA, all computers and users in the domain automatically trust the enterprise CA certificate and any other certificate that the enterprise CA issues. This results in less work for the administrator since the administrator does not have to install the root CA certificate on all computers and users in the domain, which can be a daunting task in a large organization. The Enterprise CA is available in Windows Server Standard and Enterprise editions only, and it can be installed as a subordinate CA or as a standalone CA.
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Introduction to Database: Tutorial
10 of
Name
Nancy
Date of Birth Age Blood Type
9/17/97
17 o positive
10/23/97 17 A positive
Hobby
Talent Show Registration Unique ID
drawing and painting, music Yes
A_001
reading, creative writing Yes
A_002
William
Philip
2/22/97
18
B positive
Yes
A_003
Jean
7/25/97
17
No
A_004
playing guitar
sports
George
7/29/98
16
Yes
A_005
Allan
8/16/97
17
Yes
O positive
A negative
O positive
o positive
o negative
AB positive
computer games
sports
A_006
A_007
17
No
Roger 12/11/97
Kimberly 5/12/98
16
Yes
A_008
Anne
6/10/97
17
Yes
A_009
video games
watching TV
reading fiction
listening to music
William
5/22/98
16
O positive
Yes
A_0010
Diane
3/24/97
17
A positive
Yes
A_0011
Part A
What are the field names in the database? Explain what data type is appropriate for each field.
B I y X
Х.
Font Sizes
AA
= = 三 三 三 三
Answer: this is the best situation
Explanation: it shows the process
Answer:
PLATO ANSWER. Sample Answer
Explanation:
The field names in the database are Name, Date of Birth, Age, Blood Type, Hobby, Talent Show Registration, and Unique ID. Here are the types of data that you can enter into each field.
Name:This field has 5 to 10 characters and accepts text data only.
Date of Birth: This field accepts dates only. It uses a medium-length entry in the form of month/day/year (mm/dd/yy).
Age: This field is numerical and contains numerical data only.
Blood Type: This field contains text data, with a maximum of 11 characters.
Hobby: This field can be a memo, and it can accept large volumes of data in any format. This data type can include null values as well.
Talent Show Registration: This is a Boolean data field that contains the values Yes or No.
Unique ID: This field accepts alphanumeric data, so this, too, is a text field.
If indirect access to sensitive data can be achieved through a system, what should be considered when evaluating the critical system functionality?
Question 2 options:
a.Other systems that are not dependents of the critical systems
b.All systems that are dependents of the critical system
c.Other systems that are not connected to the critical system
d.None of the above
When evaluating the critical system functionality, all systems that are dependents of the critical system should be considered if indirect access to sensitive data can be achieved through a system.
This is because the other systems that are not dependents of the critical system and the other systems that are not connected to the critical system do not pose any risk to the sensitive data. Indirect access refers to accessing the sensitive data through an intermediary system. This means that the system does not have direct access to the sensitive data but can indirectly access it through another system. Such access can pose a risk to the sensitive data because it may be exploited by attackers to gain unauthorized access to the data. Therefore, when evaluating the critical system functionality, it is important to consider all the systems that are dependents of the critical system to ensure that the indirect access to sensitive data is properly secured.
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1. What type of malware is triggered by a specific condition, such as a specific date or a particular user account being disabled?
Select one:
Backdoor
Rootkit
Logic Bomb
Trojan Horse
Answer:
it would be logic bomb.
Explanation:
I hope this helps
Construct an algorithm to print the first 20 numbers in the Fibonacci series (in mathematics) thanks
Answer:
0+1=1
1+1=2
1+2=3
2+3=5
3+5=8
5+8=13
Explanation:
// C++ program to print
// first n Fibonacci numbers
#include <bits/stdc++.h>
using namespace std;
// Function to print
// first n Fibonacci Numbers
void printFibonacciNumbers(int n)
{
int f1 = 0, f2 = 1, i;
if (n < 1)
return;
cout << f1 << " ";
for (i = 1; i < n; i++) {
cout << f2 << " ";
int next = f1 + f2;
f1 = f2;
f2 = next;
}
}
// Driver Code
int main()
{
printFibonacciNumbers(7);
return 0;
}
How have computers changed people's ability to access information?
O A. Because there is so much information available, people need to
wait longer to download it onto their devices.
O B. People can access information about almost any topic through
their devices instead of asking someone
C. Because devices are small people are accessing less information
than they did in the past.
D. People can access a limited amount of information on their
devices, but most information needs to be researched at a library
Answer:
B. People can access information about almost any topic through their devices instead of asking someone.
Select the correct answer.
Which animation do these characteristics
best relate? Allows you to edit, blend, and reposition clips of animation.
This animation is not restricted by time.
1. Interactive Animatino
2. Linear Animation
3. Nonlinear Animation
Answer:
1. Interactive Animatino
Write a program whose inputs are three integers, and whose outputs are the largest of the three values and the smallest of the three values.
Ex:
If the input is: 7 15 3
the output is:
largest: 15 smallest: 3
Your program must define and call the following two functions. The LargestNumber function should return the largest number of the three input values. The SmallestNumber function should return the smallest number of the three input values. Int LargestNumber(int user Numl, int user Num2, int user Num3) int SmallestNumber(int user Numl, int user Num2, int user Num3)
Here's a program that takes three integers as input and returns the largest and smallest values.```#include using namespace std;// Function Prototypesint LargestNumber(int userNum1, int userNum2, int userNum3);int SmallestNumber(int userNum1, int userNum2,
int userNum3);// Main Functionint main() { int num1, num2, num3; cout << "Enter three numbers: "; cin >> num1 >> num2 >> num3; cout << "Largest: " << Largest Number(num1, num2, num3) << endl; cout << "Smallest: " << SmallestNumber(num1, num2, num3) << endl;
return 0;}// Function Definitionsint LargestNumber(int userNum1, int userNum2, int userNum3) { int largest; if (userNum1 > userNum2 && userNum1 > userNum3) largest = userNum1; else if (userNum2 > userNum1 && userNum2 > userNum3) largest = userNum2;
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The Department of Computer Science at Jacksonville State University has received several applications for teaching assistant positions from JSU students. The responsibility of each applicant is to assist a faculty member in instructional responsibilities for a specific course. The applicants are provided with the list of available courses and asked to submit a list of their preferences. The corresponding committee at JSU prepares a sorted list of the applicants (according to the applicants' background and experience) for each course and the total number of TAs needed for the course. Note that there are more students than the available TA spots. The committee wants to apply an algorithm to produce stable assignments such that each student is assigned to at most one course. The assignment of the TAs to courses is stable if none of the following situations arises. 1. If an applicant A and a course are not matched, but A prefers C more than his assigned course, and C prefers A more than, at least, one of the applicants assigned to it. 2. If there is unmatched applicant A, and there is a course C with an empty spot or an applicant A is assigned to it such that C prefers A to A. Your task is to do the following: i Modify the Gale-Shapley algorithm to find a stable assignment for the TAS-Courses matching problem ii Prove that the modified algorithm produces stable TAS-Courses assignments.
Modifying the Gale-Shapley algorithm for the TAS-Courses matching problem:The Gale-Shapley algorithm, also known as the stable marriage algorithm, can be modified to solve the TAS-Courses matching problem.
In this case, we have applicants (students) and courses as the two sets to be matched.Here is the modified version of the Gale-Shapley algorithm for finding a stable assignment for the TAS-Courses matching problem:Initialize all applicants and courses as free and unassigned.While there exists at least one unassigned applicant:Select an unassigned applicant A.Let C be the highest-ranked course in A's preference list that has available spots or an assigned applicant A' such that C prefers A to A'.If C has an available spot, assign A to C.If C is already assigned to an applicant A' and C prefers A to A', unassign A' and assign A to C If C rejects A, go to the next highest-ranked course in A's preference list.Repeat steps 2-4 until all applicants are assigned to a course.
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design an algorithm that takes n lines as input and returns the set of lines that are visible
To design an algorithm that tells the set of visible lines among a given set of lines, we can use the concept of line sweeping by the steps given below
What is the algorithmTo design an algorithm for visible lines, use line sweeping. Outline the algorithm as:
- Create an empty set named visibleLines for storing visible lines. Sort lines by slope in ascending order. For equal slopes, order lines by decreasing y-intercepts. Sort by slope steepness. Iterate through sorted lines and compare y-intercepts to visibleLines. If current line's y-intercept is higher than visibleLines' any line, it's visible. If visible, add to visibleLines set: When all lines are processed, visibleLines set has visible lines.Learn more about algorithm from
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Using the below code, do the following:
int main (int argc, char** argv) {
printf ("# of arguments passed: %d\n", argc) ;
for (int i=0; i< argc ; i++) { printf ( "argv[%d] = %s\n", i, argv[i] ) ;} return (0) ;}
1) convert any argument that is actually a number, from its string form into an integer using sscanf(). As a small hint, look at the return type of sscanf(), notice that if it makes a match, you get the # of matches it made to your string as a return.
2) store any integer arguments into an array of integers (you may assume we’ll never pass in 10 integers at any time). For the above example (./program3 arg1 2 arg3 4 arg5), your program would generate an array: {2, 4}
3) store any non-integer argument (example: arg1) into 1 large string – separated by spaces, using sprint(). For the above example, your program would generate a string: "program3 arg1 arg3". You may assume a maximum length of 250 for this string.
4) print out the contents of your integer array (a newline after each element) and the contents of your single string.
Given code: int main (int argc, char** argv) {printf ("# of arguments passed: %d\n", argc) ;for (int i=0; i< argc ; i++) { printf ( "argv[%d] = %s\n", i, argv[i] ) ;} return (0) ;}
1) To convert any argument that is actually a number, from its string form into an integer using sscanf(). If it makes a match, you get the # of matches it made to your string as a return. Here's the implementation in the above code snippet:int num;int numbers[10];int number_index = 0;char non_numbers[250] = "";for(int i = 1; i < argc; i++) {if(sscanf(argv[i], "%d", &num) == 1) {numbers[number_index] = num;number_index++;}else {strcat(non_numbers, argv[i]);strcat(non_numbers, " ");}}
2) To store any integer arguments into an array of integers. Here's the implementation:int num;int numbers[10];int number_index = 0;char non_numbers[250] = "";for(int i = 1; i < argc; i++) {if(sscanf(argv[i], "%d", &num) == 1) {numbers[number_index] = num;number_index++;}else {strcat(non_numbers, argv[i]);strcat(non_numbers, " ");}}
3) To store any non-integer argument (example: arg1) into 1 large string – separated by spaces, using sprint(). Here's the implementation:int num;int numbers[10];int number_index = 0;char non_numbers[250] = "";for(int i = 1; i < argc; i++) {if(sscanf(argv[i], "%d", &num) == 1) {numbers[number_index] = num;number_index++;}else {strcat(non_numbers, argv[i]);strcat(non_numbers, " ");}}
4) To print out the contents of your integer array (a newline after each element) and the contents of your single string. Here's the implementation:int num;int numbers[10];int number_index = 0;char non_numbers[250] = "";for(int i = 1; i < argc; i++) {if(sscanf(argv[i], "%d", &num) == 1) {numbers[number_index] = num;number_index++;}else {strcat(non_numbers, argv[i]);strcat(non_numbers, " ");}}for(int i = 0; i < number_index; i++) {printf("%d\n", numbers[i]);}printf("%s", non_numbers);
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Which command can be used to provide a long listing for each file in a certain directory? A. ls -T B. ls -l C. ls -F D. ls -L
The command that can be used to provide a long listing for each file in a certain directory is `ls -l`.
The `ls` command stands for list and is used to display the contents of a directory or file. It can be used to display the contents of the current working directory or the contents of a specific directory. The `ls -l` command is used to display the contents of a directory in a long format.The `ls -T` command is used to display the contents of a directory and the date and time when the files were last modified. The `ls -F` command is used to display the contents of a directory with each file and directory name followed by a character that represents the type of file or directory.The `ls -L` command is used to display the contents of a directory and any symbolic links in the directory.
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1.1 what is the difference between the transactions display current and display at key date?
In the context of transactions, "Display Current" and "Display at Key Date" refer to different ways of viewing the transaction data.
"Display Current": This option allows you to view the current state of transactions. It shows the most up-to-date information, reflecting the latest changes and updates made to the transactions. It provides real-time data and shows the current values and status of the transactions.
"Display at Key Date": This option allows you to view the transactions as they appeared or were recorded at a specific key date or point in time. It enables you to see the transaction data as it existed at a particular moment in the past. This feature is particularly useful for historical analysis or for auditing purposes, where you may need to examine the state of transactions at a specific date or during a specific period.
In summary, "Display Current" shows the current state of transactions, while "Display at Key Date" shows the transactions as they appeared at a specific date or point in time in the past.
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Refer to the exhibit. the exhibit shows a small switched network and the contents of the mac address table of the switch. pc1 has sent a frame addressed to pc3. what will the switch do with the frame?
In the given exhibit, the small switched network and the contents of the mac address table of the switch are given. PC1 has sent a frame addressed to PC3, and we are required to know what the switch will do with the frame. A switch is a layer 2 device that works at the Data Link layer of the OSI model. It keeps track of the MAC addresses of the devices that are connected to it using the MAC address table. It reads the destination MAC address of a frame and uses the table to forward the frame to the appropriate port. The MAC address table shows that PC3 is connected to port 3, and so the switch will forward the frame to port 3 so that it reaches PC3. Therefore, the switch will forward the frame to the appropriate port (port 3) to reach PC3 as PC3's MAC address is present in the table.
Explanation: The MAC address table in the given exhibit shows that PC3 is connected to port 3 and its MAC address is 00-21-91-62-82-76. When PC1 sends a frame addressed to PC3, the switch reads the destination MAC address of the frame and uses the table to forward the frame to the appropriate port. Since PC3's MAC address is present in the table and is associated with port 3, the switch will forward the frame to port 3 to reach PC3.
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A license is a contract to use copyrighted material under certain circumstances
O True
O False
A license is a contract to use copyrighted material under certain circumstances. This statement is TRUE.
A license is a legal agreement between two parties in which one party, the licensor, grants the other party, the licensee, permission to use something under certain conditions. The use of copyrighted material is frequently controlled by licenses that dictate how it can be used and who has the right to use it.Licenses are required to access certain forms of intellectual property, such as music, movies, computer programs, and many more. Licenses are generally used by software developers, publishers, and manufacturers to limit how people can use or distribute their intellectual property. Licensing is frequently utilized as a revenue source for intellectual property owners, particularly in the software and entertainment industries.
One of the key benefits of licensing is that it gives licensees the right to use copyrighted material without fear of legal repercussions. Licenses provide a level of protection against copyright infringement and can be customized to meet the specific needs of the licensee. In addition, licensing agreements are legally binding and enforceable, making them a useful tool for regulating intellectual property usage.
In conclusion, a license is a contract to use copyrighted material under specific circumstances. Licenses are an essential aspect of intellectual property law, allowing creators to generate revenue from their work while also allowing users to obtain access to the materials they need. Licensing is a valuable tool for ensuring that copyrighted materials are used fairly and legally.
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True or False, testing based on most popular customer configurations minimizes risk in configuration testing.
Testing based on most popular customer configurations may not necessarily minimize risk in configuration testing as it may overlook edge cases and unique configurations. Therefore, the given statement is false.
Testing based solely on the most popular customer configurations does not necessarily minimize the risk in configuration testing. While popular customer configurations may represent a significant portion of the user base, they do not account for the full range of possible configurations and scenarios. By focusing only on popular configurations, there is a risk of overlooking edge cases, unique configurations, and potential issues that may arise in less common scenarios. Comprehensive testing should include a diverse range of configurations to ensure that the software or system performs reliably and accurately across different setups. This approach helps identify and address potential risks and vulnerabilities that may be specific to certain configurations. Therefore, a broader and more inclusive testing strategy is crucial for minimizing risks in configuration testing.Therefore, the given statement is false.For more such questions on Configuration:
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question 1 (2 points): by your own research, how would you change the time, date and year in the mac terminal? what would command be:
To change the time, date, and year in the Mac Terminal, you can use the date command. Here's how you can use it:
Open the Terminal application on your Mac. You can find it in the Applications folder under Utilities.To change the time, date, and year, you need to use the date command with the desired values. The format for the date command is as follows:
bash
Copy code
date MMDDhhmmYYYY
MM: Two-digit month (e.g., 01 for January, 02 for February)
DD: Two-digit day of the month (e.g., 01, 02, 03)
hh: Two-digit hour in 24-hour format (e.g., 00, 01, 02)
mm: Two-digit minute (e.g., 00, 01, 02)
YYYY: Four-digit year (e.g., 2023, 2024)
Replace MM, DD, hh, mm, and YYYY with the desired values for the new date and time you want to set. For example, to set the date to January 1, 2023, at 12:34 PM, you would use the following command.
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While traversing a list, a node pointer knows when it has reached the end of a list when:
A) it encounters the newline character
B) it encounters a null pointer
C) it finds itself back at the beginning of the list
D) it encounters a sentinel, usually 9999
E) None of these
The correct answer is option B, "it encounters a null pointer.
"While traversing a list, a node pointer knows when it has reached the end of a list when it encounters a null pointer. The null pointer is the pointer value that indicates the end of a list.There are two types of linked lists. A single-linked list and a double-linked list are the two types of linked lists. The beginning of a single-linked list is referred to as the head node. A null pointer is used to indicate the end of the list, which is where the node's next field points. Similarly, for a double-linked list, a null pointer is used to indicate the end of the list. The node's next field points to null when it's at the end of the list.In computer science, a node is an object that holds data and one or more pointers. A linked list is a data structure that is made up of a sequence of nodes. A node can contain a data field, which holds the data, and a reference field, which contains a reference to the next node in the list. A null pointer is used to indicate the end of the list.
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You are the IT security administrator for a small corporate network. You need to secure access to your switch, which is still configured with the default settings.
Access the switch management console through Internet Explorer on http://192.168.0.2 with the username cisco and password cisco.
In this lab, your task is to perform the following:
Create a new user account with the following settings:User Name: ITSwitchAdminPassword: Admin$0nly2017 (0 is zero)User Level: Read/Write Management Access (15)
Edit the default user account as follows:Username: ciscoPassword: CLI$0nly2017 (0 is zero)User Level: Read-Only CLI Access (1)
Save the changes to the switch's startup configuration file.
As an IT security administrator for a small corporate network, securing access to your switch is paramount.
This task is even more critical if the switch is still configured with the default settings. The process for securing access to the switch involves creating a new user account, editing the default user account, and saving the changes to the switch’s startup configuration file. The steps to secure the switch access are outlined below.
1. Create a new user account with the following settings:a. User Name: ITSwitchAdminb. Password: Admin$0nly2017 (0 is zero)c. User Level: Read/Write Management Access (15)To create a new user account, follow the steps below:i. Access the switch management console through Internet Explorer on http://192.168.0.
2 using the default username and password (“cisco”).ii. On the switch management console, go to the ‘User Accounts’ menu and select ‘Add.’iii. Input the new user account details: username (ITSwitchAdmin), password (Admin$0nly2017), and user level (Read/Write Management Access).iv. Save the new user account by clicking the ‘Save’ button.2. Edit the default user account as follows:a. Username: ciscob. Password: CLI$0nly2017 (0 is zero)c. User Level: Read-Only CLI Access (1)To edit the default user account, follow the steps below:i. Access the switch management console through Internet Explorer on http://192.168.0.2 using the default username and password (“cisco”).ii. On the switch management console, go to the ‘User Accounts’ menu and select the default user account (‘cisco’).iii. Edit the default user account details: username (cisco), password (CLI$0nly2017), and user level (Read-Only CLI Access)
.iv. Save the changes to the default user account by clicking the ‘Save’ button.3. Save the changes to the switch’s startup configuration file.To save the changes made to the switch’s user accounts, follow the steps below:i. Access the switch management console through Internet Explorer on http://192.168.0.2 using the default username and password (“cisco”).ii. On the switch management console, go to the ‘Management and Backup’ menu and select ‘Save Configuration.’iii. Save the changes made to the switch’s startup configuration file by clicking the ‘Save’ button.It is crucial to ensure that access to your switch is secure. Creating new user accounts, editing default user accounts, and saving the changes to the switch’s startup configuration file will help secure access to your switch.
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Given a = 3, p=11, calculate the inverse of a mod p using Fermat's Little Theorem and verify it. Given a = 3, m= 8, calculate the inverse of a mod m using Euler's Theorem and verify it.
To calculate the inverse of a modulo p using Fermat's Little Theorem, we can use the formula:
a^(-1) ≡ a^(p-2) (mod p)
Given a = 3 and p = 11, we can calculate the inverse of 3 modulo 11 as follows:
Step 1: Calculate the exponent: (p - 2)
Exponent = 11 - 2 = 9
Step 2: Calculate the inverse using the formula:
Inverse = 3^9 mod 11
Now, let's calculate it:
Inverse = (3^9) mod 11
= 19683 mod 11
= 9
So, the inverse of 3 modulo 11 is 9.
To verify the result, we can check if (3 * 9) mod 11 equals 1, which indicates that the inverse calculation is correct:
Verification: (3 * 9) mod 11
= 27 mod 11
= 5
Since the result is not 1, it means that there might be an error in the calculation.
Now, let's calculate the inverse of a modulo m using Euler's Theorem:
a^(-1) ≡ a^(φ(m)-1) (mod m)
Given a = 3 and m = 8, we need to calculate the inverse of 3 modulo 8:
Step 1: Calculate φ(m)
φ(8) = 8 * (1 - 1/2) = 4
Step 2: Calculate the exponent: (φ(m) - 1)
Exponent = 4 - 1 = 3
Step 3: Calculate the inverse using the formula:
Inverse = 3^3 mod 8
Now, let's calculate it:
Inverse = (3^3) mod 8
= 27 mod 8
= 3
So, the inverse of 3 modulo 8 is 3.
To verify the result, we can check if (3 * 3) mod 8 equals 1:
Verification: (3 * 3) mod 8
= 9 mod 8
= 1
Since the result is 1, it confirms that the inverse calculation is correct.
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During which phase the following activities are identified:Identifying the major modules of the system, how these modules integrate, the architecture of the system and describing pseudocode for each of the identified module?
The phase during which the following activities are identified - identifying the major modules of the system, how these modules integrate, the architecture of the system, and describing pseudocode for each of the identified modules - is the Design phase of the Software Development Life Cycle (SDLC).
The Design phase is the second phase in the Software Development Life Cycle (SDLC), which follows the Requirement Gathering phase. The design phase typically involves the creation of detailed design documentation, such as the Functional Design Specification (FDS), Technical Design Specification (TDS), and Database Design Specification (DDS).The design phase comprises four main steps:1. Architectural Design2. Detailed Design3. Database Design4. User Interface (UI) DesignIn the Architectural Design phase, the software development team identifies the major modules of the system, how these modules integrate, and the architecture of the system.
In this phase, the software development team also prepares flowcharts and diagrams to describe the system's architecture and the interaction between its components.In the Detailed Design phase, the software development team describes the pseudocode for each of the identified modules. They also create algorithms and prepare a detailed design document.In the Database Design phase, the software development team designs the system's database structure, including tables, fields, and relationships.
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Which statement below is false? O a) A DMZ is located behind the firewall/edge router O b) Any system on a DMZ can be compromised because it is accessible from outside O c) A DMZ is an isolated network segment d) A DMZ setup requires packet filtering O e) None of the above
We can see here that the statement that is false is: b) Any system on a DMZ can be compromised because it is accessible from outside
What is firewall?A firewall is a network security device or software that acts as a barrier between a trusted internal network and an external network (such as the internet). It monitors and controls incoming and outgoing network traffic based on predetermined security rules.
The primary purpose of a firewall is to protect a network from unauthorized access, threats, and potential attacks.
In some cases, systems in a DMZ may be protected by firewalls or other security measures. However, it is important to be aware of the risks associated with placing systems in a DMZ.
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Dan's team has to develop billing software for a supermarket. During which step will they write the program for the software?
Which step will involve finding errors in the software?
Answer:
coding phase
testing/debugging phase
Explanation:
During the coding phase they will write the actual code which creates the functionality/program which is added to the software. This phase comes after the dev team designs the algorithm and creates a flow chart of the algorithm. This flow chart is what is used to create the code itself. After the code is complete then the dev team will go into the testing/debugging phase where they will test the program with different test cases. If any bugs/errors are found they will return to the code and implement changes to fix these errors.
Which of the following statements are true of
software engineers? Check all of the boxes that
apply.
They are responsible for writing programming
code.
They are usually strong problem-solvers.
They spend most of their work hours running
experiments in a laboratory.
They must hold advanced degrees in
computer science.
Answer:
Option A - They are responsible for writing programming
Option B - They are usually strong problem-solvers
Explanation:
A software engineer needs to be a strong problem solver and he/she must be able to write program/code. He/She is not required to conduct experiments in labs and also it is not essential for them to hold masters degree as even the non computer science or IT background people are working as software engineer.
Hence, both option A and B are correct
Answer:
A & B
Explanation:
Given main(), build a struct called RandomNums that has three integer data members: var1, var2, and var3.
Implement the RandomNums struct and related function declarations (prototypes) in RandomNums.h, and implement the related function definitions in RandomNums.c as listed below. You will have a total of 5 function prototypes and definitions:
RandomNums SetRandomVals(int low, int high) - accepts a low and high integer values as parameters, and sets variables var1, var2, and var3 to random numbers (generated using the rand() function) within the range of the low and high input values (inclusive).
void GetRandomVals(RandomNums r) - prints out the 3 random numbers in the format: "Random values: var1 var2 var3"
int GetVar1(RandomNums r) - returns the value of variable var1
int GetVar2(RandomNums r) - returns the value of variable var2
int GetVar3(RandomNums r) - returns the value of variable var3
Given main(), the struct called RandomNums that has three integer data members, var1, var2, and var3 are to be built. The RandomNums struct and related function declarations (prototypes) are to be implemented in RandomNums.h, and the related function definitions are to be implemented in RandomNums.c as listed below. There will be a total of 5 function prototypes and definitions:
```
//RandomNums.h
#ifndef _RANDOMNUMS_H_
#define _RANDOMNUMS_H_
typedef struct RandomNums
{
int var1;
int var2;
int var3;
} RandomNums;
RandomNums SetRandomVals(int low, int high);
void GetRandomVals(RandomNums r);
int GetVar1(RandomNums r);
int GetVar2(RandomNums r);
int GetVar3(RandomNums r);
#endif
```
```
//RandomNums.c
#include
#include
#include
#include "RandomNums.h"
RandomNums SetRandomVals(int low, int high)
{
RandomNums r;
srand(time(NULL));
r.var1 = rand() % (high - low + 1) + low;
r.var2 = rand() % (high - low + 1) + low;
r.var3 = rand() % (high - low + 1) + low;
return r;
}
void GetRandomVals(RandomNums r)
{
printf("Random values: %d %d %d\n", r.var1, r.var2, r.var3);
}
int GetVar1(RandomNums r)
{
return r.var1;
}
int GetVar2(RandomNums r)
{
return r.var2;
}
int GetVar3(RandomNums r)
{
return r.var3;
}
```
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Examples for structured data include Select one or more:
a. Data stored in the PDF format
b. Data stored in the RDF format
c. Data stored in a docx format
d. Data stored in an RDBMS
e. Data stored in file cabinets
The examples of structured data include:
b. Data stored in the RDF format
d. Data stored in an RDBMS
Structured data refers to organized and well-defined data that can be easily processed and understood by machines. It follows a predefined structure or schema, enabling efficient storage, retrieval, and analysis. Examples of structured data include data stored in the RDF (Resource Description Framework) format, which is a standardized format for representing information on the web.
Another example is data stored in an RDBMS, such as a relational database, which uses tables with defined columns and relationships between them. These structured data formats allow for efficient querying, indexing, and analysis, making them suitable for various applications and data management tasks. Therefore, options b and d are the correct answers.
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The second part of this homework is a program that should be written per the description below and turned in to the Canvas assignment for Homework #3. Turn in just a single C source code file for the assignment. The program will be tested with goc under Cygwin. Write a program that takes two command line arguments at the time the program is executed. You may assume the user enters only signed decimal numeric characters. The input must be fully qualified, and the user should be notified of any value out of range for a 22-bit signed integer. The first argument is to be considered a data field. This data field is to be is operated upon by a mask defined by the second argument. The program should display a menu that allows the user to select different bit-wise operations to be performed on the data by the mask. The required operations are: Set, Clear and Toggle. Both data and mask should be displayed in binary format. And they must be displayed such that one is above the other so that they may be visually compared bit by bit. If data and mask are both within the range for signed 8 bit values, then the binary display should only show 8 bits. If both values are within the range for signed 16 bit values, then the binary display should only show 16 bits. The menu must also allow the user to re-enter a value for data and re-enter a value for the mask. Use scanf() to read data from the user at runtime and overwrite the original values provided at execution time. All user input must be completely qualified to meet the requirements above (up to 22-bit signed integer values). Printing binary must be done with shifting and bitwise operations. Do NOT use arrays. No multiplication or division is needed to produce binary output to the screen.
The task requires writing a C program that takes two command line arguments, performs bitwise operations on a data field using a mask, and displays the results in binary format.
The program should provide a menu for selecting different bitwise operations and allow the user to re-enter values for the data and mask. The binary display should show the appropriate number of bits based on the range of the values entered. To complete this task, you need to write a C program that accepts two command line arguments, which will be the data field and the mask. You can use the scanf() function to read user input at runtime and overwrite the original values provided at execution time. The program should display a menu that allows the user to select different bitwise operations such as setting bits, clearing bits, and toggling bits.
Each operation will be performed on the data field using the mask. The bitwise operations can be implemented using shifting and bitwise operators (e.g., AND, OR, XOR). To display the binary representation of the data field and the mask, you can use bitwise shifting and bitwise AND operations to extract each bit and print it. The number of bits displayed will depend on the range of the values entered. If the values are within the range of signed 8-bit integers, only 8 bits should be displayed. Similarly, if the values are within the range of signed 16-bit integers, only 16 bits should be displayed.
The program should provide an option for the user to re-enter values for the data field and the mask. This can be achieved by using scanf() to read new values from the user and overwrite the original values. Overall, the program should adhere to the requirements stated in the assignment, perform the bitwise operations using the provided mask, and display the results in binary format while handling value ranges and user input appropriately.
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