Computer network Concepts

Q. No. 1: What do you mean by broadcasting in Networking?

Q. No. 2: A set of rules that govern all aspects of information communication is called

Q. No. 3: The cheapest modems can transmit

Q. No. 4: "Parity bits" are used for which of the following purposes?

Q. No. 5: What is the purpose of the PSH flag in the TCP header?

Q. No. 6: A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?

Q. No. 7: Which of the following is not relevant to networking?

Q. No. 8: The most common input device used today is

Q. No. 9: The residual error rate is the

Q. No. 10: Which of the following functionalities must be implemented by a transport protocol over and above the network protocol?

Q. No. 11: How many digits of the Data Network Identification Code (DNIC) identify the country?

Q. No. 12: Working of the WAN generally involves

Q. No. 13: How many layers does the SONET contain?

Q. No. 14: A collection of computers and devices connected together via communication devices and transmission media is called a

Q. No. 15: What is the size of Network bits & Host bits of Class A of IP address?

Q. No. 16: A device which can be connected to a network without using cable is called

Q. No. 17: A software that allows a personal computer to pretend it, as a terminal is

Q. No. 18: Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?

Q. No. 19: The geostationary satellite used for communications systems

Q. No. 20: Which of the following transmission directions listed is not a legitimate channel?