You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign?

Protocols are

A. Agreements on how communication components and DTE

B. Logical communication channels used for transferri

C. Physical communication channels used for transferr

D. None of the above

The method of communication in which transmission takes place in both directions, but only one direction at a time is called

A. Simplex

B. Four wire circuit

C. Full Duplex

D. Half Duplex

Error detection at the data link level is achieved by

A. Bit Stuffing

B. Cyclic Redundancy Code

C. Hamming Code

D. Equalization

Which of the following is a wrong example of network layer?

A. Internet Protocol (IP) - ARPANET

B. X.25 Packet Level Protocol (PLP)-ISO

C. Source routing and domain naming-USENet

D. X.25 level 2-ISO