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IV-I CN MID-I Objective Paper

This document contains a 20 question objective exam for a Computer Networks course at Jawaharlal Nehru Technological University Hyderabad. The exam contains two sections - the first section contains 10 multiple choice questions about networking concepts like Ethernet addressing, layers of the TCP/IP model, and data link error detection techniques. The second section contains 10 fill in the blank questions about topics like layers of the OSI model, connection-oriented protocols, Ethernet coding, and components of an IP address. Students are asked to answer all questions within a 20 minute time limit.

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100 views2 pages

IV-I CN MID-I Objective Paper

This document contains a 20 question objective exam for a Computer Networks course at Jawaharlal Nehru Technological University Hyderabad. The exam contains two sections - the first section contains 10 multiple choice questions about networking concepts like Ethernet addressing, layers of the TCP/IP model, and data link error detection techniques. The second section contains 10 fill in the blank questions about topics like layers of the OSI model, connection-oriented protocols, Ethernet coding, and components of an IP address. Students are asked to answer all questions within a 20 minute time limit.

Uploaded by

venkiscribd444
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Code No: 57037 Set No.

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

IV B.Tech. I Sem., I Mid-Term Examinations, DEC-2020


DEPARTMENT OF ECE
COMPUTER NETWORKS

Objective Exam

Name: ______________________________ Hall Ticket No.


A
Answer All Questions. All Questions Carry Equal Marks. Time: 20 Min. Marks: 10.

I. Choose the correct alternative:

1. How many bits are there in Ethernet address [ ]


a. 64 bits b. 32 bits c. 16 bits d. None
2. The Network Layer concerns with [ ]
a. Bits b. Frames c. Packets d. None
3. The 4 bit IP address consists of [ ]
a. Network address b. Port address c. both a&b d. None
4. Multi Access Control is Divided in to [ ]
a. 2 b. 3 c. 4 d. 1
5. Error detection at the Data Link Level achieved by [ ]
a. Cyclic redundancy code b. Bit Stuffing c. Hamming Code d. Equalization
6. Start and Stop bits are used in a serial communication for [ ]
a. Error Detection b. Error Correction c. Synchronization d. None
7. A high speed communication equipment typically would not be needed [ ]
a. Email b. Message c.LAN Communication d. None
8. The method communication in which transmission takes place in both directions, but
only in one direction at a time is called________ [ ]
a. Simplex b.Half duplex c. Full duplex d. None
9. Protocols are [ ]
a. Agreement on how communication components
b. Physical communication channels are used for transferring data
c. Both a&b
d. None
10. How layers are there in TCP/IP model [ ]
a. 4Layers b. 7 Layers c. 6 Layers d. 8 Layers
Cont…..2

Code No: 57037 :2: Set No. 1

II Fill in the Blanks:

11. ______________________ Layer of OSI model also called end to end layer.

12. _____________________ provides a connection oriented reliable service for sending


Messages.

13. Bridge works in ___________________ layer of OSI model.

14. The technique in which the data link layer automatically stuff bit ‘0’ after five
consecutive 1’s____________________.

15. In _________________ scheme transmission proceeds immediately if the carrier is Idle.

16. In pure ALOHA, channel utilization, expressed throughput S, in terms of offered load G
is given by ____________

17. Ethernet uses ________________ coding.

18. When the frame returns to the sending station, that station removes the frame from the
ring by a process called ________________.

19. ______________ ensures that error free data is transferred between the adjacent nodes in
the network.

20. The last address of IP Address represents _______________.

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