Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Computer Network & Security Expert

1 (a) Compare and contrast between analog and digital communication.

(b) What are layers in the OSI Model? Discuss the major functions and services of each layer?

(c) How Cyclic Redundancy Check (CRC) is used in error-detection? Describe using an ex, where Message bits M=1010101010 and Generator bits G=10001.

(d) What is the requirement of multiplexing channels? What types of techniques are used for multiplexing channels?

2(a) Describe working of Distance Vector Routing with the ex. Also, discuss the Count to Infinity Problem.

(b) What are different transmission media available? prepare advantage and disadvantages of each.

(c) Differentiate between packet switching and Circuit Switching.

(d) Describe the process of sampling used digital communication.

3(a) Why does multiple accesses required in LAN technologies? Compare various multiple accesses techniques.

(b) Compare throughput of pure and slotted ALOHA.

(c) describe advantages and disadvantages of Bus, Ring and Mesh topologies.

(d) Why does ATM use small fixed size cell? Justify the answer.

4(a) Compare and contrast flow control and error control in the data transmission. Also, suggest the solutions for each.

(b) Suppose two prime numbers p=251 and q= 257. Use RSA algorithm to compute encryption key and decryption key. prepare all intermediate steps in calculation.

(c) prepare down the steps used in connecting two computers by cross-over cable?

(d) prepare down the disadvantages of CDMA in wireless communication.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M92262

Have any Question? 


Related Questions in Computer Network & Security

Explain the key differences between symmetric and

Explain the key differences between symmetric and asymmetric encryption. Which can the computer process faster? Which lowers the costs associated with key management? What is a VPN? Why are VPNs widely used?

Network security- as a corporate network administrator the

"Network Security" - As a corporate network administrator the industry standard suggests your job is to maintain the confidentiality, availability, and integrity of all network resources. Choose an attack that affects on ...

Discussionip basic concepts please respond to the

Discussion "IP Basic Concepts" Please respond to the following: - Suppose that you work for a company that has been using IPv4 in each of its networks. After hearing a discussion about the differences between IPv4 and IP ...

Analyzing network trafficone of our goals for this week is

Analyzing Network Traffic One of our goals for this week is to install and run a packet-capture utility, such as Wireshark. If you are successful with this task, run the packet capture while you do a familiar online task ...

Proposal projectchoose one of the following for this

Proposal Project Choose one of the following for this project and See attachment for complete instruction and please remember to send a turnitin report. 1) Metasploit 2) Wireshark 3) Back Track 4) Nessus 5) Cain & Abel P ...

Assignmentwan technologies paper research point-to-point

Assignment WAN Technologies Paper: Research Point-to-Point (dedicated), Packet Switched, and Circuit Switched WAN protocols/circuits/types. Define each protocol and describe at least two data transmission technologies as ...

Write one paragraph only for each questions1- can a

Write one paragraph only for each questions. 1- Can a business survive in today's world without a website or a poorly maintained website? Why or Why not? 2- What's your biggest fear about using the Internet? Why? Can you ...

Security configuration managementkey assignmentsignificant

Security Configuration Management Key Assignment Significant work has been completed over the past few weeks on the Network Security Architecture Design document, including the following: • Security Requirements • Perime ...

Dqfacebook email electronic commerce and collaborative

DQ Facebook, email, electronic commerce, and collaborative sites for both work and leisure are a normal part of our everyday computing activities. Personal information entered on these websites become partially owned by ...

Information securityfor this weeks discussion consider the

Information Security For this week's discussion, consider the following prompts: A cipher can be created by using a keyword. For example, if we choose "statistic" as our keyword, our cipher would be determined as follows ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen