Q1. (2 marks)
Explain the differences between PPP and HDLC.
Q2. (2 marks)
A 1.5 Mbps communications link is to use HDLC to transmit information to the moon.What is the smallest possible frame size that allows continuous transmission? The distance between earth and the moon is approximately 375,000 km, and the speed of light is 3 x 108 meters/second.
Q3. (2 marks)
25 Hosts
G0/0
PC1
S1
25 Hosts
G0/1 R1
S0/0/0
PC2
S2
25 Hosts
G0/0
S0/0/0
PC3
S3
25 Hosts
G0/1 R2
PC4
S4
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