Computer Network Questions and Answers September 01, 2022

Write a program that reads any decimal number between 0 and 2G and displays the 32-bit binary version on the video display

Write a program that determines which of a companys four divisions (Northeast, Southeast, Northwest, and Southwest) had the greatest sales for a quarter. It should include the following two functions, which are called by main double getSales () is passed the name of a division. It asks the user for a divisions quarterly sales figure, validates the

Write a program that determines which of a companys four divisions (Northeast, Southeast, Northwest, and Southwest) had the greatest sales for a quarter. It should include the following two functions, which are called by the main function. double getSales () is passed the name of a division. It asks the user for a divisions quarterly sales figure,

Solve the recurrence T(n) = 3T(n-1) +1, with T(0) = 2 1. As a 1rst-order linear recurrence. 2. By iteration of the recurrence (no need to prove it by induction).

You have several network devices that support SNMP and RMON. What type of network troubleshooting tool should you use to take advantage of those capabilities a port scanner a network monitor a ping scanner a TDR

What is the most important task to complete before performing a network or host vulnerability scan Back Mapping out the target network configuration Approval from management Determination of scope and objectives Risk assessment Question 13 of 100 How would you classify the LookLAN tool O Password sniffing O Network monitoring Network mapping O

Write a program that accepts a date as month/day/year, verifies that it is a valid date (e.g. 5/24/2012 is valid but 9/31/2012 is not because September has only 30 days), and then calculates the corresponding day number. Second part of the assignment is: Write a program that computes the fuel efficiency of a multi-leg journey. The program will

Given the coding scheme a 001, b 0001, e 1, r 0000, s 0100, t 011, x 01010, What is the word represented by 01110100011 O etax O test O best O stax O None of these is correct Activa,Given the coding scheme a 001, b 0001, e 1, r 0000, s 0100, t 011, x 01010, What is the word represented by 01110100011 O etax O test O best O stax O None of these

3 E f Find a minimum spanning tree for the following graph where the degree of each vertex in the spanning tree does not exceed 2. Find all possible spanning trees with the least total weights. 2 Given the following coding scheme A001, B0001, E1, 1110, R0000, S0100, T011, X0101 (10 points). a. Construct the binary tree with prefix codes

Write an interactive Java payroll application that calculates the net pay for a worker. The program prompts the user for skill level and hours worked, as well as appropriate insurance and retirement options for the workers position. The application displays 1) hours worked, 2) hourly rate, 3) regular pay for 40 hours, 4) overtime pay, 5) total

Access control systems are constantly under surveillance and attack. An attacker who gains control of an access control system can leverage that access to gain entry to other systems in the enterprise. Frequent testing of access control systems ensures that weaknesses are found and can be dealt with before they are exploited. Network monitoring is

1. Create a class named Contact with the following attributes First name, Middle name, Last name, Date of birth, Gender, Anniversary, Address, Area, City, Pincode, State, Country, Telephone number, Mobile number, Email, Website. (Contact.java) 2. Write a method named validate() in the Contact class created earlier. This method must generate an

a. Draw the minimum spanning tree for the graph in Figure B when you start with vertex e. b. Draw the minimum spanning tree for the graph in Figure B when you start with vertex d. b i f a 6 2 9 e Figure B 3 C 5 4 d h

Given the following code public static int indexOf(int value, int array) for (int i0 i array.length i) if(arrayi value) return i return 1 What is the value of x after the following statements are executed int myArray(11,2,5,3,7,0,2 int x x indexOf(8, my Array)

Write a program that stores the weekly (Monday thru Sunday) daily temperatures for four weeks. Your program should allow the user to enter the temperatures and print a report with headings, the temperature for each day (your two-dimensional array), the calculated weekly average temperature for each of the four weeks (rows) and the calculated

8) What is the output of the following statements stack s int x4,ye s.push(7) s.push(x) s.push(x5) ys.top() s.pop() s.push(xy) s.push(y2) s.push(3) x s.top() s.pop() cout

Linked list for questions 5 through 7 list Current 34 2017 24 16 HY temp 5) What is the output, if any, of each of the following C statements a) cout info b) current currentlink cout info c) cout linkinfo 7) Write C statements to do the following a) Set the info of the second node to 52. 43 6) What is the value of each of the following

Write a C program to perform the following. Read the name of an ftp command, identify whether it is a valid command or not and print a line indicating the command is valid or invalid. The list of valid ftp command to use for this question is: (1) ascii, (2) recv (and/or get), (3) send (and/or put), (4) rmdir, (5) mkdir, (6) pwd, (7) ls, (8) cd,

What is the likely time complexity of an algorithm whose runtime with respect to input size is given by the following graph. Time 125 100 75 50 25 2 4 6 Input Size 8 10 1. O(logn) 2. O(n) 3. O(n) 4. O(n) 5. 0(2)

(6) Solve the equation 5 cos x4x. Make sure you find all solutions. xxxx20 (7) Solve the equation x (8) Sketch the graphs of f(x)x7x2x20 and g(x) x on the same set of axes and find their points of intersection. (9) Sketch the graphs of f(x)x7x2x20 and g(x) x on the same set of axes and find their points of intersection. (10) For the data given

Write a three function program. The main function of the program should create an array that can store 10 integers and then pass the array to another function that gets the integers from the user and stores them in the array and finally calls a third function that displays the elements in the array in the reverse order. You may not use global

Design a class named Bicycle for computing the speed of a bicycle. The class should have a method named speed that has no arguments and returns a double that represents the current speed of the bicycle in miles per hour. You may assume that the speed of a bicycle is only dependent on the cadence (rotations per minute) and gear size (diameter in

What does the following method do when applied to the list of integers 1,2,3,4 static void f (List list) for (Integer i list) if (i 2 0) list.remove(i)

4) Translate the following C code into MIPS (assume i, j, a are stored in S1, S2, S3, and the base addresses of A and B are stored in S4, S5 respectively). NOTE Arrays A and B hold single precision floating point values. int a 500 for (int i0 i

List and describe the functions of common network protocols, also explain how network administration principles can be applied Define the different types of network applications and how they can be secured List the different types of network security devices and how they can be used and also explain how network technologies can enhance

Write the software development plan for a software that implements a personal automation device with smartphone user interface. This should be designed with two things in mind. Users have a wide range of intelligence and experience so the user interface should be very simple and should not require a separate manual. Also, users dont want to spend

Personal Automation Device Processing System DRAM CPU Home Automation (In and Out) Flash Voice (In and Out) Bluetooth Radio (In and Out)

Write a program in C++ that outputs the nodes of a graph in a breadth first traversal. Using the following data file: 10 0 1 3 -999 1 4 -999 2 5 -999 3 2 -999 4 -999 5 7 8 -999 6 4 7 -999 7 -999 8 -999 9 7 8 -999

Given the following BankCustomer database with three tables that represent banks, customers, and customers accounts in banks. The primary keys are underlined and foreign keys are obvious. Write an Embedded SQL program that uses Dynamic SQL method 1 to create the database. You can hard code all create table statements in the program using the

Suppose we want to show HamPath is NPcomplete. Then we must show... (mark all that apply) i Multiple answers You can select more than one option O O B O A O D HamPath HamPath P A for some NPcomplete problem A HamPath E NP AS HamPath for some NPcomplete problem A. O E Hampath E P

1. Consider the following code snippet, when executed on a browser, how many times Welcome will be printed Justify your answer. alert(Welcome) Welcome 2. Fill in the blanks in the following is script to get the following effect. Whenever the button (see the image on the right) is clicked the text on the button should toggle between 0 and 1.

Determine whether the following language is regular or nonregular. If regular, provide a DFA, NFA, or a regular expression for the language. If nonregular, prove it using the pumping lemma or closure properties for regular languages. L a b c where i, j, and k are nonnegative integers such that i mod j k

In kmeans clustering, is the vector mean of the kth cluster. Assume the data vectors have I dimensions, so is a (column) vector ,...,, where the symbol indicates vector transpose. a) Derive update rule for p using the objective function NK D TnkxnPk n1k1 T where xn is the nth data vector, nk is 1 if xn is in the kth class and 0 otherwise, and

Answer 19. (5 points) Write the truth table of a two input XOR gate. Answer A BAB 0 0 0 1 10 1 1 20. (5 points) Write the truth table for the Boolean function X ABC ABCC Answer A B CZ 0 0 0 0 0 10111 What is a Karnaugh Map and what does it do 110 1010 10 0 0 1 1 0 1 1

Find the ztransform of (a) xnaun1 (b) xna un1 Find the ztransforms of the following xn (a) xn(n3)un31 (b) xn(n3)un (c) xnunun3 (d) xnn(unn3 A finite sequence xn is defined as xn (5,3,2,0,4,3) Find X(z) and its ROC. Find the ztransform X(z) and sketch the polezero plot with the ROC for each of the following sequences (a) xn)(un (3)un (b)

2. The ztransform of x(n) au(n) (where u(n) is the unitstep) is X(z) z(za) with an ROC given by z a. (a) Find the ztransform and ROC of (1) x(n). (b) Find the ztransform and ROC of n x(n). (c) Find the inverse ztransform of X(1z). (d) Using the Laurent series expansion of X(z) about z a, prove that z a is a pole and not an essential

Find the ztransform of (i) xn aun bun cun1, a b

1. Examine the addresses below and discuss if they are a valid or invalid IPV6 addresses. If the IP address is invalid, identify what is wrong with the address. i. 300112L4000089AE344 ii. iii. iv. 10 1234EE34EEEEAAAABBBB456712 325C45DA342154D1 2. How the next header field in the IPV6 packet provides a mechanism to accommodate future network

Determine the ztransform of the following signals. n () 2 0, n 4 b. x(n) (a a )u(n), a real a. x(n) , n 5 c. x(n) (1) 2nu(n) d. x(n) (na sin won)u(n) e. x(n) (1)u(n) f. x(n) 1,0, 1, 0, 1,1, ...

1 2 Calculate the ztransform of the signals in below (1) () un 1 xs(n)un (2) un2 cos Consider a discretetime system whose input xn and output yn satisfy the following difference equation 6yn yn 1 yn2 3xn xn1. (1) Determine the transfer function and stability property of the system. (2) Determine the response of this initial rest system to the

Find the Z. Transform of x(n) 0,1,1,2,3,4,Find the Inverse Laplace Transform of the function s3 (s5)(s4s5) Attach File,Find the Z. Transform of x(n) 0,1,1,2,3,4,Find the Z. Transform of the cosine sequence, x(n) cos(won) u(n) 1 1az Given Z an u (n) ROC Z

Find the ztransform of the following signals (a) (b) xn 0.5un (c) xn1482 (d) xn0 1 2 3 4 (e) xn2(0.8) un xnunun4 Problem 2) Plot the poles and zeros of the following transfer functions. Determine the stability. (Z0.5) (z0.75) (Z0.5) (z0.75) (z0.5) (22) (d) H() (e) H(2) (1) H(z) (2 1.521) Problem 3) Express the following ztransform function as a

B. You are given a MIPS machine with a single level of 2KiB directmapped cache with 512B cache blocks. It has 1MiB of physical address space. (12 points) The function foo is ran on the system with a cold cache and as the only process define ARRAY LEN 4096 hithit define STEPSIZE 64 A starts at 0x10000 B starts at Ox20000 foo( int A, int B) int

AC program can represent a real polynomial p(x) of degree n as an array of the real coefficients ao, aan (an 0). p(x) 0o x Write a program that inputs a polynomial of maximum degree 8 and then evaluates the polynomial at various values of x. Include a function getpoly that fills the array of coefficients and sets the degree of the

1. Write a recursive method that counts the number of bowling pins given the number of pins in the back row public static int numPins (int num) numPins (0) 0 numPins (1) numPins(2) 1 3,1. Write a recursive method that counts the number of bowling pins given the number of pins in the back row public static int numPins (int num) numPins (0) 0

A B. LOGIC2A C D. Write the Boolean expression for the following logic circuit. 7408J LOGIC 3A Answer 7432N LOGICIA 7404N LOGIC2A LOGICIA 7408J LOGIC3A 7432N 7404N 17. (5 points) Write the truth tables for the three logic gates in the diagram below. LOGICAA 7432N Z

A Karnaugh map (KMap) is a visual method used to simplify the algebraic expressions in Boolean functions without having to use, remember or manipulate each and every Boolean algebraic theorem. It involves fewer steps than the Boolean algebraic minimization technique to arrive at a simplified expression. (a) Simplify the following Boolean

You will write a program that aims to represent employee details and make some computations for those. a. Define a structure that stores the following information about an employee ID number, name, pay rate and hours worked. b. Define a structure to store the following information ID Name 4 3 2 Ahmet Mehmet Veli Stdio.h Stdlib.h Pay rate 10.2 3.4

2) Write a function with no input argument and two output arguments. This function will keep prompting the user to input a string, then stores them in a cell array, until the user hits the return key without inputting a string (i.e. the input() function returns empty). This function will then return the resulting cell array as the first output

Write a Java program that reads items of two vectors and applies the below given function over those vectors. f(x, y) 2x 3y Program should continue until user enters 0 for the size of the vectors. Analyze sample output and write your codes accordingly. Size of the vectors 3 First vector (x) 2 5 10 Second vector (y) 1 3 1 Result 7 19 23 Size of

For the following system of equations 0 2 1 1 11 0 1 3 2 X3. x 5 a. (10 pts) Find the PLU factorization of the coefficients matrix, b. (2 pts) Compare your PLU factorization by hand to that obtained using MATLAB. c. (8 pts) Solve the system of equations using PA LU factorization.

The following C code defines a structure for student and then creates a student structure type variable by setting the no as 8 and name as Demo. One statement is missing in this C code. Please select one statement from the following options to make this program work. include include struct student int no char name void main() ( struct student s

The following C code defines a structure for student and then creates a student structure type variable by setting the no as 8 and name as Demo. One statement is missing in this C code. Please select one statement from the following options to make this program work. include include struct student 1 int no char name 20 void main() 1 J struct

Which of the following structure declaration will lead to an error A) B) C) D) struct temp int x struct temps struct temp int x s struct temp int x temp s typedef struct int x temp temp s

Find the MST for the undirected weighted graph shown in the following figure. 5 2 B 5 7 5 1 8 G

What is the output of this program? interface calculate { void cal(int item); } class displayA implements calculate { public int x; public void cal(int item) { x = item * item; } } class displayB implements calculate { public int x; public void cal(int item) { x = item / item; } }

Use a for loop to solve the following problems Create a table that converts meters to milimeters. check Consider the following matrix of values x 45, 23, 17, 34, 85, 331 How many values are greater that 30 Repeat Exercise (b), this time using the find command. Use a for loop to sum the elements of the matrix x. Use a for loop to create a vector

List some features of the EHR systems 2. Describe the function(s) of each feature and its application for the healthcare managerial processes.

Evaluate the organizational environment in the health care industry to recognize how technology solutions enable strategic outcomes you will compare and contrast paper-based medical record with Electronic Health Record (EHR). address the following: Describe the pros and cons of the two systems. Identify the owner and users of the data in the

Describe the detail of your home wireless network architecture?

Explain the following algorithm for a two process critical section. Also check if it is a good solution or not. Explain your answer in each case. Process Pi do flagi true turn j while (flagj turnj) Critical section flagi false Remainder section while (1) Q5 Multiple processes can exchange using messagepassing techniques. How it work Support

Discuss the cloud security threat shown in the below figure. Cloud Service Consumer A (attacker) Cloud Service Consumer B overload

(b) The control system for an embedded system has 4 concurrent tasks running on a single microcontroller as given in Table Q2(b). Task 1 and 3 are hard real time, while Task 2 and 4 are soft real time. (i) (ii) Task 1 2 3 4 Period (ms) 80 30 50 40 Table Q2(b) CPU resources (ms) 10 10 2 10 Deadline (ms) 80 (hard) 35 (soft) 50 (hard) 45 (soft)

Suppose that an event repeatedly occurs over time at a constant rate but at random (Poisson process). For example, lets observe the arrival of buses at a bus stop. On average we see a bus every 10 minutes. However, the time interval between the arrivals of two buses is exactly 10 minutes. We may see the buses, for example, at 0 min, 13.1 min, 19.7

2Dimensional Array A23 is declared as int A231, 2, 3,9, 8, 7 .Then, first element of the array has an index Select one a. Aoo b. A23 c. A11 O d. A32

Write a C program that creates a simple directory for the occurrences of printable characters read from an input file. The program should read from a file name specified in the command line as an argument, However, if no file name is provided, the program should print on a new line No file is found, and exit. If the file cannot be opened, print on

Recently a major health issue has occurred which requires the staff of your organisation to work from home. Which team will be responsible for designing and deploying new network services to support their remote activiites Question 9 options C C C a) Network Administration b) Network Maintenance c) Network Operations d) Network Provisioning

Recently a new version of the operating system for a switch model used throughout the organisation has been released to correct a number of bugs. Which network management group is responsible for applying the required updates a) Network Administration Ob) Network Maintenance Oc) Network Operations d) Network Provisioning

Which of the followings gives the correct IO settings based on the given conecction diagram below A) B) not HOH C) X1 CRYSTAL trisa 0X1O, trisb0XFF U1 ORCHAN ORCONDA WELK trisa 0510000 tish 0, trish0x10 trishOb11111111 Hi Hos test Elektron

Find the value of m. m52 741 O 10 25 7 10.67

Select the correct Python expression for below mathematical expression. ab 2c d da2b2c d(a 2 b)(2 c) d (a a b)(2 c) d (a a(b2 c))

Select the correct Python expression for below mathematical expression. v Tr, where 3.14 3 v43 3.14r3 v (4(33.14))r3 v43 3.14r3 v((43) 3.14 r) 3

Consider the twoclass data set shown in the figure below. The dataset consists of 4 distinguishing attributes and many more noise attributes. All attributes are binary. A vertical dash represents a 1 for the record on that specific attribute and the absence of a vertical dash represents a 0. Records Attributes Distinguishing Attributes Noise

Let E and F be two events. Which one of the following is known as Bayes Theorem P(EF) (P(E).P(EF)) (P(F).P(EF)P(F).P(EIF)) O O 0 P(EF) P(EF) P(E).P(FE) P(E).P(F E) P(E ).P(FIE) P(E).P(FE) P(F).P(EF)P(F).P(EF) P(F).P(E F) P(E).P(E F)P(F).P(EIF) P(EF) 9

Let L be the language over a,b described by aabb Ub. 1) (4 points )Draw a minimal DFA M for L. (Note if your DFA is not minimal, it will become clear below when you try to show and cant that all the strings in your index set X are pairwise distinguishable.),2) (1 point) How many states does a minimal DFA for L have 3) (1 point) What is the value

Write a program that will reverse the content of a Queue using the following standard queue operations. enqueue(x) Add an item x to rear of queue. dequeue() Remove an item from front of queue. empty() Checks if a queue is empty or not. For reversing the queue one approach could be to store the elements of the queue in a temporary data structure in

2. Write JAVA classes and interface as per class diagram and description given below Animal Class a. b. C. a. b. C. Oviparous layEggs() boolean a. Duck beakColor String yellow swim() quack() Duck Class Create Duck class and instance variable which inherits the features of Animal class Define the swim () and quack() methods of Duck class.

3. Let register 8 be x and register 9 be y. Write a program to evaluate 3x 5y Leave the result in register 10. Inspect the register after running the program to check that the program works. Run the program several times, initialize x and y to different values for each run.

4. Consumers consume two goods, pineapples (x1) and fish (x2). There are n consumers in the economy. Every consumer has income m and a preference ordering represented by the utility function U(x, x) 12 12 The price of pineapples is p1 and the price of fish is p2. The farmers who produce pineapples have the technology given by x AK1where x is the

Write a program that user enters 10 integer number from the Keyboard and finds a) The sum of positive numbers b) The sum of negative numbers c) The average of odd numbers d) The average of even numbers Q2 Write a program that user enters Integer number from the Keyboard and finds its factorial Activate

Solve this algebraic equation by using Little Man Computer (LMC) Simulator. X((ab) (cd))e2. Please show the codes and simulator.

Write the following functions. Each of these functions should have a single parameter accepting a cstyle string as an argument. The function should only do what is specified (note that none of these functions do any output to the screen). Your functions should use const in the prototype wherever it is appropriate 1. Write a function that counts

b) Write a program for an Arduino to display a userdefined binary 10101010 with eight (8) lightemitting diodes (LEDs). Connect eight (8) LEDs to eight (8) digital pins on the Arduino UNO (D3 to D10). Use loops and array statements in the program. (10 marks)

a) Consider you are a network administrator at OSY and you have been given the 198.168.156.024 address space to design the network below, with the mentioned host requirements. Answer all the following questions (show all of the calculations). Fa00 PCA SW1 R1 PCC PCB NetworkA No. of Host 26 5000 Network Name Network A Network B Network C Network

Write a C++ program to input electricity unit charges and calculate total electricity bill according to the given condition: For first 50 units Rs. 0.50/unit For next 100 units Rs. 0.75/unit For next 100 units Rs. 1.20/unit For unit above 250 Rs. 1.50/unit An additional surcharge of 20% is a

7. Let M represent a singletape deterministic Turing machine. Let L (M) M either accepts or rejects every input. That is, L consists of all encodings of Turing machines that do not enter into an infinite loop on any input word. Show that L is undecidable.

Write a Java method which accepts a strings and an integer k as parameters. The string s consists of digits (0 to 9) and wildcards (). The length of s is at most 8 and the number of wildcards is at most 3. Replace each wildcard with any digit, however, if the wildcard is in the first position of the string, you could not replace it with 0. The

2. Write a python program to print the sum of this series using any 1 loop of your choice. 73 95 117 139 .. n4

To migrate to cloud computing operations, your organisation acquired some CISCO cloud products including UCS fabric interconnect. 3.1 Demonstrate how you can Configure the Primary Fabric Interconnect Using CLI. 3.2 Show the CLI configuration interface (20 Marks) (10 Marks)

Write a program to set (bit 7) and clear (bit 0) of a byte wide number stored in address 0200 2460H, Save the modified bytes in address 02002700H. Use DATA 6FH, 3DH, 27H, 83H, DEH, 13H, 78H, 09H, F5H, 03H, 84H,7EH, OBH, 87H, FEH, 11H.

Write a C programme to enter 4 numbers inside two arrays A4 and B4 then find the summation between them sumi Ai Bi for each index.

Write a PHP program to change the font color of web page (Note There are three colors in the selection Pink, Purple and Yellow)

Design a program using C language to implement the following requirements Calculate the net salary for an employee. The net salary details are basic salary, allowance, deduction and extra bonus according to herhis category. Category CAT 1 CAT 2 CAT 3 Others Extra bonus 300.65 BD 200.7 BD 60.8 BD 35.3 BD Use LOOP to implement the repetition

Write a program to input a date and print the following messages using else if Date 10 12 Exam Dec 10,Pure Math Dec 12, Advanced IT Skills 14 15 Dec 14,Technical Writing 1 Dec 15, Electrical Workshop Any Other Input, display the message No other dates.

Minimize the following Boolean function and draw the circuit diagram (use logic gate symbols) using only NAND gates (HINT DeMorgans Theorem is required here). F(a,b,c,d) (0,2,5,7,8,10,13,15) a) Complete the correct Kmap of function F(a, b,c,d). 4 marks b) Write F(a,b,c,d) in standard form (terms must be correctly ordered in increasing value). 4

a. Simplify the Boolean function F(A,B,C) m(0,2,3,4,6,7) using a K map (10 Points) b. Draw a circuit for F using only NAND gates (10 Points) (10 points) Indicate how a NAND gate can be used to implement a. An Inverter (NOT gate) b. An 2input AND gate c. An 2input OR gate

Given R is a relation on the set A 2,5, 7 and the relation matrix MR of R is as below 1 1 0 0 0 1 MR 1 1 (a) Write down the set representation of R. (b) Identify if R is reflexive, symmetric. If not, wirte down the corresponding closure for R. (c) Use matrix method to evaluate RoR for the given relation R.

Calculate the following 50 i0 (4i i) (2.5)

Let the following transition table for NFA. Input b X1, X3 X1 X2 X3 X4 Input a X1, X2, X4 X2, X4 1 Drew NFA using the table. 2 Find a DFA which equivalence the NFA.

Identify basic blocks and hence draw control flow graph for the following code. read() b read() read() a a b c if (a 10) write (c) else if (a 20) de write (e) f 12 d a write (f) 1 write (d) Activate Windov.

Agent Bond and Agent Carter have agreed on a way to covertly communicate a positive integer within the range of 1 to n. Bond will send a sequence of n positive integers A1, A2, ..., An to Carter. Upon receiving the sequence, Carter will attempt to look for the presence of increasing arcs in the sequence. A subsequence Ai, A12,, Aim, where 1