Outline and discuss the main fields in Ethernet IEEE 802.3 frame. What are the main objectives of preamble ?894
What is the average number of transmission required to send a frame of length 1600 bytes correctly, if the bit error rate is 1 x 10-6.730
Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.743
Subnet the class C network address 220.127.116.11 into eight subnets. Why are the ‘all ones’ and ‘all zeroes’ subnets not used ?994
What do you understand by the term ‘structured cabling’. State the main rules that should be used when installing a cable. 31. Show that maximum cabling area for LAN for horizontal cabling runs is approximately 200m.784
What are the various classes of IP addressing? Calculate the maximum number of class A, B and C network Ids.752
Enumerate the main responsibilities of data link layer ?
Which layer is used to route packets
Difference Between DDR1, DDR2 and DDR3 memories.
How to make a port to a dedicated port through dll registration in a windows system
Why do data link layer protocols position the checksum in the trailer and not in the header ?
Explain ATM reference model.
When is a translating bridge used ?
Contrast link state and distance vector routing protocols, giving an example of each.
What is the difference between TFTP and FTP application layer protocols?
what is scsi?. what we do if scsi/scsi drive failed?.
What are the two reasons for using layered protocols?
Why TCP/IP reference model is more popular than OSI model ?
What are the reasons for using layered protocols ?
Explain different kinds of Switching techniques.
Which layer is used to detect and correct errors