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

Q1 the rijndael algorithm was chosen for the advanced

Q1: The Rijndael algorithm was chosen for the Advanced Encryption Standard (AES). Using either the attached tutorial, or your own sources of information, pick one (or more) steps of the algorithm and explain it in some d ...

Project infrastructure and securitythis assignment consists

Project: Infrastructure and Security This assignment consists of two sections: an infrastructure document and a revised Gantt chart or project plan. You must submit both sections as separate files for the completion of t ...

There are a number of cellular phone companies each serving

There are a number of cellular phone companies each serving their own unique geographical areas. Likewise, they each may use a different technology to transfer communication. Research the pros and cons 3G and 4G technolo ...

Networking and server landscape of rays foodusing the

Networking and server landscape of Ray's Food. Using the Configuration Scenario Instructions, create a 1-page Systems Diagram in Microsoft Visio, or another diagramming tool, that shows the technical networking and serve ...

Network securitythe focus of the reseach paper is host

Network Security The focus of the reseach paper is Host Intrusion Detection Systems (HIDS) or AntiVirus Systems. Computer Virus creates major headaches for most organizations, as this list of 10 worst PC virus outbreaks ...

Case studyyour company security professionals inc has been

Case study Your company, Security Professionals Inc., has been engaged to perform a wireless and remote connectivity assessment and submit a proposal. The perimeter assessment / current state is included as "Case # 2 - W ...

Assignment case study handmade furniture ltdthis case study

Assignment case study: HandMade Furniture Ltd. This case study provides background information for both assignment 1 and assignment 2. As a network consultant, your initial examination of the company has discovered the f ...

Technical paper risk assessmentglobal finance inc network

Technical Paper: Risk Assessment Global Finance, Inc. Network Diagram Above is the Global Finance, Inc. (GFI) network diagram. A hypothetical company, GFI has grown rapidly this past year and implemented a number of netw ...

Taskspecific issues that you need to address in the forum

Task Specific issues that you need to address in the forum discussions are provided within the first 3 topics. These questions are posed for you to reflect on in the form of written Discussion Board (forum) posts. As thi ...

What special function does a cache server perform why does

What special function does a cache server perform? Why does this function have value for larger organizations? How does screened-host firewall architecture differ from screened-subnet firewall architecture? Which offers ...

  • 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