Networking

A machine receives an IPv4 datagram. The protocol field of the IPv4 header has the protocol number of a protocol X. Which ONE of the following is NOT a possible candidate for X?

Consider the 3-way handshaking protocol for TCP connection establishment. Let the three packets exchanged during the connection establishment be denoted as P1, P2, and P3, in order...

Consider the following statements : (i) Address Resolution Protocol (ARP) provides a mapping from an IP address to the corresponding hardware (link-layer) address. (ii) A single TC...

Node X has a TCP connection open to node Y. The packets from X to Y go through an intermediate IP router R. Ethernet switch S is the first switch on the network path between X and...

TCP client P successfully establishes a connection to TCP server Q. Let Np denote the sequence number in the SYN sent from P to Q. Let NQ denote the acknowledgement number in the S...

Which of the following fields is/are modified in the IP header of a packet going out of a network address translation (NAT) device from an internal network to an external network?

Consider the three-way handshake mechanism followed during TCP connection establishment between hosts P and Q. Let X and Y be two random 32-bit starting sequence numbers chosen by...

The maximum number of IPv4 router addresses that can be listed in the record route (RR) option field of an IPv4 header is _________.

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

Which one of the following socket API functions converts an unconnected active TCP socket into a passive socket?