Which of the following are file transfer protocols that use SSH?

A linear SONET network can be

A single channel is shared by multiple signals through _____

What network topology is typically used in City, Wide Area, and Metropolitan Area Networks?

Given L = number of bits in the packet, a = average rate, and R = transmission rate, the Traffic intensity in the network is given by ______.

Which of the following is/are example(s) of stateful application layer protocols?

(i) HTTP (ii) FTP (iii) TCP (iv) POP3

Which of the following statements is not applicable for cable internet access?

Consider a 128×10³ bits/second satellite communication link with one-way propagation delay of 150 milliseconds. Selective retransmission (repeat) protocol is used on this link to send data with a frame size of 1 kilobyte. Neglect the transmission time of acknowledgment. The minimum number of bits required for the sequence number field to achieve 100% utilization is ___________

The routing table of a router is shown below:

Destination Subnet mask Interface
128.75.43.0 255.255.255.0 Eth0
128.75.43.0 255.255.255.128 Eth1
192.12.17.5 255.255.255.255 Eth3
default - Eth2

On which interfaces will the router forward packets addressed to destinations 128.75.43.16 and 192.12.17.10 respectively?

Consider the following statements about the functionality of an IP based router.

• I. A router does not modify the IP packets during forwarding.
• II. It is not necessary for a router to implement any routing protocol.
• III. A router should reassemble IP fragments if the MTU of the outgoing link is larger than the size of the incoming IP packet.

Which of the above statements is/are TRUE ?