Network Layer Protocol


Q31.

A supernet has a first address of 205.16.32.0 and a supernet mask of 255.255.248.0. A router receives 4 packets with the following destination addresses.which packet belongs to this supernet?
GateOverflow

Q32.

An IP packet has arrived with the first 8 bits as 0100 0010. Which of the following is correct?
GateOverflow

Q33.

What is routing algorithm used by OSPF routing protocol?
GateOverflow

Q34.

An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an IP header of length 20 bytes. The values of the relevant fields in the header of the third IP fragment generated by the router for this packet are
GateOverflow

Q35.

The process of modifying IP address information in IP packet headers while in transit across a traffic routing device is called
GateOverflow

Q36.

Host A (on TCP/IP v4 network A) sends an IP datagram D to host B (also on TCP/IP V4 network B). Assume that no error occurred during the transmission of D. When D reaches B, which of the following IP header field(s) may be different from that of the original datagram D? (i) TTL (ii) Checksum (iii) Fragment Offset
GateOverflow

Q37.

In the diagram shown below, L1 is an Ethernet LAN and L2 is a Token-Ring LAN. An IP packet originates from sender S and traverses to R, as shown. The links within each ISP and across the two ISPs, are all point-to-point' optical links. The initial value of the TTL field is 32. The maximum possible value of the TTL field when R receives the datagram is ____________.
GateOverflow

Q38.

IPv6 does not support which of the following addressing modes?
GateOverflow

Q39.

Assume that source S and destination D are connected through two intermediate routers labeled R. Determine how many times each packet has to visit the network layer and the data link layer during a transmission from S to D.
GateOverflow

Q40.

What is IP class and number of sub-networks if the subnet mask is 255.224.0.0?
GateOverflow