AMCAT Computer Networks 3

Question 1

What is the key difference between TCP and UDP?

Accepted Answer

TCP guarantees delivery; UDP does not guarantee delivery

Answer

TCP is faster; UDP is slower

Answer

TCP is connectionless; UDP is connection-oriented

Answer

TCP operates at Layer 3; UDP operates at Layer 4

Question 2

Which IP address class supports the most hosts per network?

Accepted Answer

Class A

Answer

Class B

Answer

Class C

Answer

Class D

Question 3

What does DNS resolve?

Accepted Answer

Domain names to IP addresses

Answer

IP addresses to MAC addresses

Answer

IP addresses to port numbers

Answer

Hostnames to subnet masks

Question 4

Which of the following is an example of a private IP address range?

Accepted Answer

10.0.0.0 - 10.255.255.255

Answer

172.32.0.0 - 172.63.255.255

Answer

192.169.0.0 - 192.169.255.255

Answer

8.0.0.0 - 8.255.255.255

Question 5

What is the function of the sliding window protocol in TCP?

Accepted Answer

To control the flow of data by allowing multiple frames to be sent before acknowledgment

Answer

To encrypt data packets during transmission

Answer

To fragment oversized packets at the network layer

Answer

To assign sequence numbers to UDP datagrams

Question 6

Which protocol is used at the Application Layer for transferring files between a client and a server?

Accepted Answer

FTP

Answer

SMTP

Answer

SNMP

Answer

RARP

Question 7

What is the broadcast address for the network 192.168.10.0/24?

Accepted Answer

192.168.10.255

Answer

192.168.10.0

Answer

192.168.10.1

Answer

192.168.10.254