Computer Science Networking Basics MCQs – Set 20 :: Computer Science Engineering

Are you guys looking for Computer science Engineering MCQ Questions with Answers PDF Free Download as per Computer science Engineering new exam pattern? You came to the right page. This may assist you to understand and check your knowledge about the Subjects. Students also can take a free test of the Multiple Choice Questions of Computer science Engineering. Each question has four options followed by the right answer. These Computer science Engineering MCQ Questions are selected supported by the newest exam pattern.


Q1. What function does a serial interface perform in data communication?

(A) Converts serial data into audio signals
(B) Converts analog signals into digital signals
(C) Converts parallel data into a stream of bits
(D) Decodes incoming signals into computer data

Answer: (C) Converts parallel data into a stream of bits


Q2. An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is

(A) X.75
(B) X.25
(C) X.400
(D) X.21

Answer: (A) X.75


Q3. Most networks are connected to other local area or wide area networks. Select the best fit for answer:

(A) Internet works
(B) The Internet
(C) Internet revolution
(D) Internet technologies

Answer: (A) Internet works


Q4. The basic Ethernet design does not provide

(A) Access control
(B) Addressing
(C) Automatic retransmission of a message
(D) Multiple virtual networks

Answer:(C) Automatic retransmission of a message


Q5. You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?

(A) 255.255.192.0
(B) 255.255.224.0
(C) 255.255.240.0
(D) 255.255.252.0

Answer: (D) 255.255.252.0


Q6. Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS?

(A) 10
(B) 12
(C) 120
(D) 1200

Answer: (C) 120


Q7. Eight stations are competing for the use of a shared channel using the ‘Adaptive tree Walk Protocol’. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

(A) 7 slots
(B) 5 slots
(C) 10 slots
(D) 14 slots

Answer: (A) 7 slots


Q8. How many hosts are attached to each of the local area networks at your site?

(A) 128
(B) 254
(C) 256
(D) 64

Answer:(B) 254


Q9. To connect a computer with a device in the same room, you might be likely to use

(A) A coaxial cable
(B) A dedicated line
(C) A ground station
(D) All of the above

Answer: (A) A coaxial cable


Q10. What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?

(A) 192
(B) 192.168.10
(C) 0.0.0.5
(D) 51

Answer: (B) 192.168.10


Q11. The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

(A) Universal accessibility for private network Data Terminal Equipment (DTE)
(B) Adequate cost control mechanisms for administration of the private networks
(C) To assign address to private network DTEs
(D) Both (a) and (b)

Answer: (D) Both (a) and (b)


Q12. The difference between a multiplexer and a statistical multiplexer is

(A) Statistical multiplexers need buffers while multiplexers do not need buffers
(B) Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol
(C) Multiplexers often waste the output link capacity while statistical multiplexers optimize its use
(D) Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)

Answer: (A) Statistical multiplexers need buffers while multiplexers do not need buffers


Q13. Which of the following specifies the network address and host address of the computer?

(A) The IP address
(B) The TCP address
(C) The subnet mask
(D) The default gateway

Answer: (A) The IP address


Q14. Error control is needed at the transport layer because of potential errors occurring _.

(A) From transmission line noise
(B) In routers
(C) From out-of-sequence delivery
(D) From packet losses

Answer: (B) In routers


Q15. Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively?

(A) SMTP
(B) DHCP
(C) IMAP
(D) POP3

Answer: (D) POP3


Networking MCQ – All Set

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