Data Communication and Networking Gk Questions SET-7 with Answers

Data Communication and Networking Gk Questions SET-7 with Answers

We have provide here is the list of Data Communication and networking Mcqs for the preparation competitive exams. Each question has four options followed by the right answer.

MCQ Questions for Data Communication and Networking with Answers

Q1. The bandwidth required to send 132 voice-grade channels by FDM on an international satellite system is….

(i) 500 MHz
(ii) 10 MHz
(iii) 1320 MHz
(iv) 50 MHz

(ii) 10 MHz

Q2. ________ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal.

(i) Attenuation
(ii) Noise
(iii) Distortion
(iv) Decibel

(ii) Noise

Q3. Which network topology is considered passive?

(i) Cross
(ii) Ring
(iii) Star
(iv) Bus

(iv) Bus

Q4. Encryption and decryption are the function of

(i) Session layer
(ii) Presentation layer
(iii) Transport layer
(iv) None of the above

(ii) Presentation layer

Q5. A networks that requires human intervention to route signals is called

(i) Star networks
(ii) Ring networks
(iii) T-switched networks
(iv) Bus networks

(iii) T-switched networks

Q6. The number of OC-1 signals within an SONET OC-3 signal is….

(i) 3
(ii) 6
(iii) 9
(iv) 12

(i) 3

Q7. _ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium.

(i) Distortion
(ii) Noise
(iii) Decibel
(iv) Attenuation

(iv) Attenuation

Q8. Error detection at a data link level is achieved by

(i) bit stuffing
(ii) cyclic redundancy codes
(iii) Hamming codes
(iv) equalization

(ii) cyclic redundancy codes

Q9. A device operating at the physical layer is called a

(i) Bridge
(ii) Router
(iii) Repeater
(iv) All of these

(iii) Repeater

Q10. Which of the following has the smallest default maximum physical receive packet size?

(i) Token Ring [4 Mbps]
(ii) Token Ring [16 Mbps]
(iii) ARC net
(iv) Ethernet

(iv) Ethernet

Q11. A key advantage of Sonet is its capability to enable….

(i) data to be carried at high operating rates.
(ii) interoperability of optical transmission between interexchange carriers and telephone companies
(iii) routing of data to the home
(iv) interconnection of private networks

(ii) interoperability of optical transmission between interexchange carriers and telephone companies

Q12. If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is __ V.

(i) 2
(ii) 1
(iii) -2
(iv) Between -2 and 2

(iii) -2

Q13. A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as

(i) Gateways
(ii) mail gateway
(iii) bridges
(iv) User Agent

(ii) mail gateway

Q14. Which of the following refers to a small, single-site network?

(i) RAM
(ii) DSL
(iii) USB
(iv) PAN

(iv) PAN

Q15. The coupling efficiency of an Led light source to an optical fiber with a numerical aperture of 0.2 or more is……

(i) 60 percent
(ii) 10 percent
(iii) 2 percent
(iv) 0.1 percent

(iii) 2 percent

Q16. Using the Shannon formula to calculate the data rate for a given channel, if C = B, then __.

(i) The signal is equal to the noise
(ii) The signal is less than the noise
(iii) The signal is greater than the noise
(iv) Not enough information is given to the question

(i) The signal is equal to the noise

Q17. Which of the following is not a network device?

(i) Router
(ii) Modem
(iii) Bridge
(iv) Switch

(ii) Modem

Q18. The OSPF protocol

(i) has the ability to discover a network’s specific topology
(ii) is a link-state route discovery protocol
(iii) provides better performance than RIP in large internet-works
(iv) all of these

(iv) all of these

Q19. Given two sine waves A and B, if the frequency of A is twice that of B, then the period of B is __ that of A.

(i) One-half
(ii) Twice
(iii) The same as
(iv) Indeterminate from

(ii) Twice

Q20. On a class B network, how many hosts are available at each site with a subnet mask of 248?

(i) 16,382
(ii) 8,190
(iii) 4,094
(iv) 2,046

(iv) 2,046

Q21. Geometric arrangement of devices on the network is called

(i) Protocols
(ii) Topology
(iii) Trailer
(iv) LAN

(ii) Topology

Q22. The different angles of entry of light into an optical fiber in which the diameter of the core is many times the wavelength of the light transmitted are called.

(i) Emitters
(ii) Modes
(iii) Sensors
(iv) Refractors

(ii) Modes

Q23. You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

(i) 255.255.252.0
(ii) 225.255.254.0
(iii) 255.255.255.240
(iv) 255.255.255.252

(i) 255.255.252.0

Q24. Which of the following functionalities must be implemented by a transport protocol over and above the network protocol?

(i) End to end connectivity
(ii) Packet delivery in the correct order
(iii) Detection of duplicate packets
(iv) Recovery from packet losses

(i) End to end connectivity

Q25. Communications software package enable users to access services such as

(i) Electronic mail
(ii) Electronic bulletin boards
(iii) Video channels
(iv) Both (i) and (ii)

(iv) Both (i) and (ii)

We hope the given General Knowladge MCQ Questions for Data Communication and Networking GK with Answers PDF Free Download will help you. If you have any queries regarding Data Communication and Networking MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soons.

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