BOARD
DIPLOMA EXAMINATION, (C-09)
MARCH
/APRIL-2008
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.
Distinguish
between analog and digital transmission.
2.
Explain
about infrared and light wave transmission.
3.
Explain
the difference between circuit switching and packet switching.
4.
List
the applications of WAP.
5.
Define
ISP and PSTN.
6.
Define
Intranet.
7.
List
the different layers of TCP/IP
8.
Explain
the need of FRAME relay.
9.
Explain
DNS namespace.
10.
List
HTTP commands.
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.
Explain UTP, STP, Co-axial cable and fibre optical cable with
cross-sectional view.
12.
Explain in detail with diagrams about STAR, BUS, RING,
topologies.
13.
(a) describe CDMA communication. (b) explain FDDI and its
properties.
14.
(a) describe ARPA NET and www. (b) explain ISDN architecture.
15.
(a) explain the packet transfer mechanism using routers and
OP address. (b) describe ATM.
16.
(a) explain the IP addressing concepts and classes and
default gatway service. (b) explain the use of UDP.
17.
(a) describe I detail web browser architecture. (b) discuss
in detail about hyperlinks.
18.
(a) explain the purpose of proxy server. (b) explain the ftp
in web application in detail.
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