GATE CSE: Computer networks

Question 1 of 10

How many usable host addresses does a /26 subnet have?

Question 2 of 10

What is the subnet mask for a /20 prefix?

Question 3 of 10

Go-Back-N with 3-bit sequence numbers allows a maximum sender window of:

Question 4 of 10

Selective Repeat with 3-bit sequence numbers allows a maximum window of:

Question 5 of 10

Which protocol finds the MAC address for a known IP address on a local network?

Question 6 of 10

During TCP slow start, the congestion window:

Question 7 of 10

The maximum throughput of pure ALOHA is about:

Question 8 of 10

A 1 Gbps link has a 10 ms round-trip time. How much data fits in flight to keep it full?

Question 9 of 10

A router works mainly at which layer?

Question 10 of 10

DNS queries normally travel over: