Top 1000+ Solved Computer Networks MCQ Questions Answer
Q. What is the use of Ping command?
a. To test a device on the network is reachable
b. To test a hard disk fault
c. To test a bug in an Application
d. To test a Pinter Quality
Q. What is the Demilitarized Zone?
a. The area between firewall & connection to an external network
b. The area between ISP to Military area
c. The area surrounded by secured servers
d. The area surrounded by the Military
Q. The combination of an IP address and a port number is known as.
a. network number
b. socket address
c. subnet mask number
d. MAC address
Q. Which of the following is not associated with the session layer?
a. Dialog control
b. Token management
c. Semantics of the information transmitted
d. Synchronization
Q. The Internet Control Message Protocol (ICMP)
a. allows gateways to send error a control messages to other gateways or hosts
b. provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
c. reports error conditions to the original source, the source must relate errorsto individual application programs and take action to correct the problem
d. All of the above
Q. Your company has a LAN in its downtown office and has now set up aLAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.
a. Modem
b. Cable
c. Hub
d. Router
Q. Which of the following TCP/IP protocol is used for transferringelectronicmail messages from one machine to another?
a. FTP
b. SNMP
c. SMTP
d. RPC
Q. Which of the following device is used to connect two systems, especiallyifthe systems use different protocols?
a. hub
b. bridge
c. gateway
d. repeater
Q. can detect burst error of length less than or equal to degree of thepolynomial and detects burst errors that affect odd number of bits.
a. Hamming Code
b. CRC
c. VRC
d. None of the above
Q. The PSTN is an example of a............................. network.
a. packet switched
b. circuit switched
c. message switched
d. None of these
Q. When and where RARP is used intentionally or effectively?
a. At the time of network booting where no space to store IP address (or diskless network) for address resolution.
b. In broadcasting to get IP address of Network.
c. To get the access in private network whenever it is required.
d. None of the above.
Q. Which one of the following routing algorithm can be used for network layerdesign?
a. shortest path algorithm
b. distance vector routing
c. link state routing
d. all of the mentioned
Q. A subset of a network that includes all the routers but contains no loopsiscalled:
a. spanning tree
b. spider structure
c. spider tree
d. none of the mentioned