Data Communication and Networking Gk Questions SET-6 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. ______ allows LAN users to share computer programs and data.

(i) Print server
(ii) Communication server
(iii) File server
(iv) None of these

(iii) File server

Q2. If we get both local and remote echoes, every character we type will appear on the screen.

(i) once
(ii) twice
(iii) three times
(iv) none of these

(ii) twice

Q3. ______encoding has a transition at the beginning of each 0 bit.

(i) Differential Manchester
(ii) RZ
(iii) Manchester
(iv) All the above

(i) Differential Manchester

Q4. Which of the following is not a disadvantage of wireless LAN?

(i) Slower data transmission
(ii) higher error rate
(iii) interference of transmissions from different computers
(iv) All of the above

(iv) All of the above

Q5. FTP stands for _ .

(i) Form transfer protocol
(ii) File transmission protocol
(iii) Form transmission protocol
(iv) File transfer protocol

(iv) File transfer protocol

Q6. The first network that has planted the seeds of internet was

(i) NSF net
(ii) V net
(iii) ARPANET
(iv) I net

(iii) ARPANET

Q7. An alternate name for the completely interconnected network topology is

(i) Mesh
(ii) Star
(iii) Ring
(iv) Tree

(i) Mesh

Q8. An example of a sliding windows protocol is….

(i) XMODEM
(ii) YMODEM
(iii) YMODEM-G
(iv) WXMODEM

(iv) WXMODEM

Q9. Unipolar, bipolar, and polar encoding are types of _ encoding.

(i) Block
(ii) Line
(iii) NRZ
(iv) Manchester

(ii) Line

Q10. What is the default subnet mask for a class C network?

(i) 127.0.0.1
(ii) 255.0.0.0
(iii) 255.255.0.0
(iv) 255.255.255.0

(iv) 255.255.255.0

Q11. What is the use of bridge in network?

(i) To connect LAN’s
(ii) To separate LAN’s
(iii) To control network speed
(iv) None of these

(i) To connect LAN’s

Q12. Which of the following frequency ranges is used for AM radio transmission?

(i) Very low frequency: 3kHz to 30 kHz
(ii) Medium frequency : 300 kHz to 3 MHz
(iii) High frequency : 3 MHz to 30 MHz
(iv) Very high frequency : 30 MHz to 300 MHz

(ii) Medium frequency : 300 kHz to 3 MHz

Q13. 118 The second Y MODEM block used to transport an 1100-byte file would use data field of…

(i) 1024 characters
(ii) 100 characters
(iii) 128 characters
(iv) 64 characters

(iii) 128 characters

Q14. Block coding can help in _ at the receiver.

(i) Synchronization
(ii) Error detection
(iii) Attenuation
(iv) (i) and (ii)

(iv) (i) and (ii)

Q15. Frames from one LAN can be transmitted to another LAN via the device

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

(ii) Bridge

Q16. Which of the following topologies is not of broadcast type

(i) Bus
(ii) Ring
(iii) Star
(iv) All of these

(i) Bus

Q17. An encyclopedic database is

(i) Generally free
(ii) Easy for beginners to use
(iii) An information utility that specializes in storing and searching information
(iv) All of these

(ii) Easy for beginners to use

Q18. If each character in an X MODEM block has an ASC II value of 50, what would be the value of the checksum added to the block?

(i) 50
(ii) 23
(iii) 41
(iv) 25

(iv) 25

Q19. The wavelength of a signal depends on the __.

(i) Frequencies of the signal
(ii) Medium
(iii) Phase of the signal
(iv) (i) and (ii)

(iv) (i) and (ii)

Q20. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?

(i) hot potato routing
(ii) flooding
(iii) static routing
(iv) delta routing

(i) hot potato routing

Q21. In a ring topology, the computer in possession of the __ can transmit data.

(i) Data
(ii) Packet
(iii) Access method
(iv) Token

(iv) Token

Q22. Which company develops the TCP/IP protocol for networking?

(i) IBM
(ii) DEC
(iii) DARPA
(iv) NOVELL

(iii) DARPA

Q23. Communications protocols always have a ….

(i) set of symbols
(ii) the start of header
(iii) the special Flag symbol
(iv) BCC

(i) set of symbols

Q24. __ has units of bits/second.

(i) Throughput
(ii) Propagation speed
(iii) Propagation time
(iv) (ii) and (iii)

(i) Throughput

Q25. Which one of the following is NOT desired in a good software Requirement specifications (SRS) document?

(i) Functional Requirements
(ii) Algorithms for software implementation
(iii) Goals of Implementation
(iv) Non-Functional Requirements

(ii) Algorithms for software implementation

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