OCT/NOV-2012

BOARD DIPLOMA EXAMINATION, (C-09)

OCT/NOV-2012

DECE.-VI SEMESTER EXAMINATION

DATA COMMUNICATION COMPUTER NETWORKS

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.       Write a short note on lightwave transmission

2.       Define baud rate.

3.       Write any six applications of WAP.

4.       Write a short note on store and forward switch mechanism

5.       Write the advantages and disadvantages of packet switching

6.       Define intranet.

7.       State the functions of ISP.

8.       List the impotant features of TCP.

9.       Write a short note on remote login

10.   What is the purpose of email? List any three email service providers

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.   Explain the following with cross-sectional diagram and list applications of each: (a) coaxial cable (b) optical fiber cable

12.   (a) distinguish between analog and digital transmissions (b) explain serial and parallel communications.

13.   Explain the following network topologies and write the advantages and disadvantages of each topology: (a) star (b) ring

14.   Draw the OSI 7- layer model and write the functions of each OSI layer.

15.   Write briefly about DSL and Cable modem

16.   Describe the concepts of internetworking.

17.   Explain File Transfer Protocol (FTP) in web applications

18.   Describe the web browser architecture

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DCCN Previous Question Papers

·         MARCH /APRIL-2008

·         MARCH /APRIL-2009

·         OCT/NOV-2011

·         APRIL/MAY-2012

·         OCT/NOV-2012

PREVIOUS QUESTION PAPER FOR COMPUTER NETWORKS

COMPUTER HARDWARE AND NETWORKING (CH & N) PREVIOUS QUESTION PAPERS

·                     OCTOBER/NOVEMBER-2011 (C-09)

·                     APRIL / MAY -2012

APRIL /MAY-2012

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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DCCN Previous Question Papers

·         MARCH /APRIL-2008

·         MARCH /APRIL-2009

·         OCT/NOV-2011

·         APRIL/MAY-2012

·         OCT/NOV-2012

PREVIOUS QUESTION PAPER FOR COMPUTER NETWORKS

COMPUTER HARDWARE AND NETWORKING (CH & N) PREVIOUS QUESTION PAPERS

·                     OCTOBER/NOVEMBER-2011 (C-09)

·                     APRIL / MAY -2012

oct/nov-2011

BOARD DIPLOMA EXAMINATION, (C-09)

OCT /NOV-2011

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.     Define data communication?

2.     Differentiate anaog and digital transmission.

3.     State the need for protocols in computer networks

4.     List the OSI 7 layers.

5.     Write the applications of WAP.

6.     Explain the point to point protocol.

7.     What is the role of Gateways?

8.     What is web application

9.     Briefly explain the remote login process.

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.

10.   Explain about baud, rate, simplex, half duplex and full duplex communication.

11.   Explain Shannon’s capacity and compare the characteristics of various guided media?

12.   (a) distinguish between circuit switching and packet switching. (b) explain the working of token ring network.

13.   (a)discuss cut through, store and forward and adaptive switch mechanism. (b)explain the Bluetooth technology.

14.   (a) explain about ARPANET and WWW. (b) explain the internal architecture of ISP

15.   (a) what are the various layers of TCP/IP? (b)explain how the TCP connects various systems

16.   (a) explain the purpose of proxy server. (b) explain the FTP in web application in detail

17.   (a) describe the working of web browser. (b) explain the DNS name space

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·         MARCH /APRIL-2009

·         OCT/NOV-2011

·         APRIL/MAY-2012

·         OCT/NOV-2012

march/april-2009

BOARD DIPLOMA EXAMINATION, (C-09)

MARCH /APRIL-2009

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 the need for data communication networking.

2.     Write any four differences between serial and parallel communication.

3.     Distinguish between circuit switching and packet switching.

4.     Write applications of wireless application protocol.

5.     Differentiate between a repeater and a bridge.

6.     Briefly explain the point to point protocol.

7.     What are the functions of ports and sockets.

8.     What is meant by UDP? State its use.

9.     What is the role of DNS server?

10.  Briefly explain the remote login process.

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) define data communications. (b) explain the Shannon capacity and compare the characteristics of various transmission media.

12.   (a) explain the topology and technology of WLAN. (b) explain the Ethernet frame format.

13.   (a) explain the working of FDDI..          (b)

14.   (a) explain the role of gateways in Internet working process (b) describe the internal archintecture of ISP.

15.   (a) explain in detail about FRAME relay protocol. (b) explain the IP addressing and its classes.

16.   (a) describe the different layers of TCP/IP. (b) explain how the TCP connects various systems

17.   (a) describe POP server and SMTP server. (b) explain the file transfer operation in web applications.

18.   (a) describe the working of web browser. (b) explain the DNS namespace

·         MARCH /APRIL-2009

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DCCN Previous Question Papers

·         MARCH /APRIL-2008

·         MARCH /APRIL-2009

·         OCT/NOV-2011

·         APRIL/MAY-2012

·         OCT/NOV-2012

PREVIOUS QUESTION PAPER FOR COMPUTER NETWORKS

COMPUTER HARDWARE AND NETWORKING (CH & N) PREVIOUS QUESTION PAPERS

·                     OCTOBER/NOVEMBER-2011 (C-09)

·                     APRIL / MAY -2012

Unit Test 2 Question papers for diploma

SET-1

2^nd Unit Test Questions

UNIT TEST-II: November 2012                                Maximum Marks :20

Semester : 6^th                                       Subject Code & Name: DCCN

Section- A

Answer all questions (5*2=10)

1.                  List HTTP Commands

2.                 Write about WWW.

3.                 Write about DNS Server

4.                 Write about uses of UDP.

5.                 What is repeater and Bridge

Section-B

Answer any two questions 5*2=10

1.                   Explain the layers of TCP/IP.

2.                  Describe packet switching and circuit switching.

3.                  Explain how E-mail works

Unit test-II SET-2

Section- A

1.                   Write about PPP (or) write about PSTN

2.                  Write about remote login

3.                  Write about active and passive open connections in TCP/IP.

4.                  Explain working of LAN

5.                  List different WLAN topologies.

Section-B

Answer any two questions 5*2=10

1.                   Functions of OSI Layers

2.                  Explain ISDN Architecture.

3.                  Explain working of Web Server

Unit test-II SET-3

Section- A  

1.                   Write about features of TCP/IP.

2.                  Explain router and routing process.

3.                  Write applications of WAP.

4.                  Write about ARPANET.

5.                  Write about ARP protocols.

Section-B

1.                  Explain Ethernet Frame Format

2.                 Explain High Level Architecture of ISP.

3.                 Explain web browser architecture

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