Un-Answered Questions { Networking AllOther }

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.

1117


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.

1099


Subnet the class C network address 198.67.25.0 into eight subnets. Why are the ‘all ones’ and ‘all zeroes’ subnets not used ?

1362


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.

1153


What are the various classes of IP addressing? Calculate the maximum number of class A, B and C network Ids.

1188


Why is a data link layer switch preferred over a hub ?

1570


Which device is needed to connect two LANs with different network Ids ?

1150


When is a translating bridge used ?

1152


Can a switch be used to connect two LANs with different network IDs ?

1047


Write two ways in which computer applications differ from network applications ?

1176


What is count to infinity problem ?

1190


What was the reason for selecting a speed of 155.52 Mbps in the original ATM standard ?

1247


Contrast link state and distance vector routing protocols, giving an example of each.

1075


What is ISO-OSI reference model ? Compare it with TCP/IP reference model.

1231


Why TCP/IP reference model is more popular than OSI model ?

2563