BOARD DIPLOMA EXAMINATION,
(C-09)
APRIL /MAY-2012
DECE.-VI SEMESTER
EXAMINATION
DCCN
TIME: 3
Hours]
[Total Marks :100]
PART - A
INSTRUCTION: (1) ANSWER ALL QUESTION AND EACH QUESTION
CARRIES 4 MARKS
(2) ANSWER SHOULD BE BRIEF AND
STRAIGHT TO THE POINT AND SHALL NOT EXEED
FIVE SIMPLE SENTENCES
1. State Shannon
capacity theorem?
2. Briefly
explain about serial communication.
3. What is
meant by a computer network
4. List the
features of packet switching.
5. Mention a
few applications of WAP.
6. Define
Internet.
7. What is
the purpose of a bridge in a LAN?
8. List out
the features of TCP.
9. What is
meant by remote login?
10. What is
the role of DNS server.
Part-b
Instructions : (1) Answer any five questions and
each question carries 12
marks.
(2) The answers should be comprehensive and the criteria for
valuation is the content but not the length of the answer.
11. (a) explain abut the cross section and applications of coaxial
cable. (b) explain about the cross section and applications of optical fiber.
12. (a) explain about digital data digital signals. (b)explain about
digital data analogue signals.
13. Explain about working of LAN in detail.
14. Describe carrier sense multiple access in detail.
15. Describe the high level architecture of ISP system.
16. Explain the different layers of TCP/IP protocol.
17. Explain how and e-mail is transferred on internet.
18. Explain the working of a web server in detail.
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