a) determine the RTT (round trip time) between a client requesting a web page of 1024 bytes in size from an internal web server on a 100 Base-T Ethernet. Assume a one-way propagation delay of 10 s and that the request and header response messages are of negligible size and all other delays are zero.

b) Consider the arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges W, X, Y and Z after the following transmissions: Host A sends to Host C, Host D sends to Host B, and Host C

c) Give an example of a transmitted byte-stream in Basic Encoding Rule (BER) by using the following data type declarations and its corresponding instances:

nickname ::= OCTET STRING {nickname, "King Kenny"}
number ::= INTEGER {number, 7}
active ::= BOOLEAN [0=NO, 1=YES] {inactive, 0}

d) i) Give the structure of typical SNMPv1 get and trap messages.
ii) Which MODULE IDENTITY does this OBJECT ID belong to: 1.3.6.1.2.1.5.1