Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Computer Network & Security Expert

problem 1)a)  With neat diagrams compare switched communication techniques with respect to

(i) Performance &

(ii) Charcterstics.

b) Describe with an ex a distance vector routing algorithm.

c) With an ex describe the bit-stuffing method in datalink layer.

problem 2)a) Describe the TCP header format.

b) The receiver of a data communication system which employs CRC scheme with generating polynomial x3 + 1, receives the following message 110101101. Describe the method in steps whether there has been any transmission errors.

c) An 8 inch by 10 inch picture is scanned by a scanner having a resolution of 600x600 pixels per sq. inch. How many bits are produced if the scanner uses 8 bits/ pixel? How many bits are required if each pixel uses 256 colors? How long does it take to transmit by using ISDN B-channel?

problem 3)a) Describe the operation of Selective Repeat ARQ with neat sketches.

b) Describe services offered by ISDN supporting existing voice & non-voice services.

c) Consider a subnet with 1024 routers. If the subnet is partitioned into 32 regions of 32 routers each. If a 3-level hierarchy is chosen with 8 clusters each containing 4 regions. Determine the number of entries at each & every router? Find the optimal number of levels, entries.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M96338

Have any Question? 


Related Questions in Computer Network & Security

Assignmentyou have been asked by a local charity retail

Assignment You have been asked by a local charity retail organization to install a network in its downtown office. It currently has seven PCs running Windows XP Home Edition. They are configured as follows: Pentium 4 at ...

Part-1given the following design for a money transfer

Part-1 Given the following design for a money transfer protocol which utilizes public key cryptography to assure confidentiality and authenticity of the transmission. Issuing a Check: 1. Payee (A) will contact the bank r ...

Assignmentyou have been tasked with reconfiguring the

Assignment You have been tasked with reconfiguring the network for your company, which has grown considerably over the past year. You have used only static routing in the past, but you do not wish to spend the administra ...

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 ...

Networking trends paperin this paper you will research and

Networking Trends Paper In this paper, you will research and report on network design and management trends over the last three years (present year minus 2) in the areas of virtualization, security, hardware, network man ...

Assignment elastic and inelastic trafficwrite a three to

Assignment: Elastic and Inelastic Traffic Write a three to four page paper in which you: 1. Outline a plan for the development of an addressing and naming model in an environment of the following scenario: o Ten departme ...

Cryptography assignment1 decrypt the following message

Cryptography Assignment 1. Decrypt the following message. Assume direct letter substitution. blf szev yvvm z tivzg xozhh. I drhs blf zoo hfxxvhh zmw hzkkrmvhh. 2. Research the RSA cryptographic algorithm. a. If the Publi ...

Module case studythe purpose of this assignment is for

Module Case Study The purpose of this assignment is for students to write a case study based on a common information security scenario. Prompt: You are the senior information security manager for a federal agency. You re ...

Assignmentyour have been contracted by healthfirst hospital

Assignment Your have been contracted by HealthFirst Hospital Foundation (HHF), a charitable organization that provides services to community clinics in Atlanta, Georgia. Due to the organization's tremendous growth, it wi ...

Assignmentmr smith is the director of it at a law firm

Assignment Mr. Smith is the Director of IT at a law firm located in downtown Chicago. He needs to plan for a network upgrade. He has decided that he would like to have a network analysis done before the upgrade so that h ...

  • 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