Packet sniffers involve a __________ receiver.

Identify the correct IPv4 address.

In tunnel mode, IPSec protects the _____

CRC stands for _____

Which one of the following protocols is NOT used to resolve one form of address to another one?

Match the following :

Servers handle requests for other domains _____

An attempt to make a computer resource unavailable to its intended users is called _____

A network has a data transmission bandwidth of 20 × 10⁶ bits per second. It uses CSMA/CD in the MAC layer. The maximum signal propagation time from one node to another node is 40 microseconds. The minimum size of a frame in the network is _____ bytes.

A TCP server application is programmed to listen on port number P on host S. A TCP client is connected to the TCP server over the network. Consider that while the TCP connection was active, the server machine S crashed and rebooted. Assume that the client does not use the TCP keepalive timer. Which of the following behaviors is/are possible?

1. If the client was waiting to receive a packet, it may wait indefinitely
2. The TCP server application on S can listen on P after reboot
3. If the client sends a packet after the server reboot, it will receive a RST segment
4. If the client sends a packet after the server reboot, it will receive a FIN segment