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problem 1: Why transport layer protocols such as TCP and UDP are termed as end-to-end protocols. What is the basic difference between them?

problem 2: Distinguish between:

a) Baseband co-axial cable and broad band coaxial cable
b) Optical fiber and twisted pair
c) SMTP and SNMP

problem 3: What are the fundamental functions of the data link layer? prepare down the fundamental features of HDLC protocol? Could HDLC be used as the data link protocol for a LAN? Validate your answer.

problem 4: The physical layer service is a non-confirmed service. Suppose that some bits of data are lost throughout transmission over physical media, which layer will detect the loss and take some corrective measures. Describe any one technique clearly depicting how this operation is functioned.

problem 5: What are the benefits of cell switching which is used in ATM?

problem 6: Outline and describe the main fields in Ethernet IEEE 802.3 frame. What are the key objectives of preamble?

problem 7: Find out the average number of transmission needed to send a frame of length 1600 bytes correctly, if the bit error rate is 1 x 10-6.

problem 8: Describe what is meant by the term ‘integrated service digital network’. Provide three reasons a company might select an ISDN link in preference to a leased line.

problem 9: Subnet the class C network address 198.67.25.0 into eight subnets. Why are the all ones and all zeroes subnets not employed?

problem 10: What do you understand by the word ‘structured cabling’? Illustrate the main rules which must be used when installing a cable. Show that maximum cabling area for LAN for horizontal cabling runs is around 200m.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M97035

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