Monday 5 December 2011

computer network previous question papers


C-05-CM-401
456
BOARD DIPLOMA EXAMINATION, (C-05)
OCT /NOV-2011
DCME.-IV SEMESTER EXAMINATION
COMPUTER NETWORKS

TIME: 3 Hours]                                                                     [Total Marks :100]
PART   - A
INSTRUCTION:  (1) ANSWER ALL QUESTION AND EACH QUESTION
                                           CARRIES FOUR MARKS
                    (2)  ANSWER SHOULD BE BRIEF AND   STRAIGHT      TO  THE POINT AND SHALL NOT EXEED FIVE SIMPLE SENTENCES

1.     List any four hardware components of a typical network.
2.     What is meant by network topology? Write the names of any three network topologies.
3.     Explain the difference between single attachment station(SAS) and Dual Attachment Station (DAS) with reference to FDDI LANs
4.     Explain briefly about HTTP protocol.
5.     What are the components of an IP address?
6.     What are the advantages of NETBEUI over IP and IPX?
7.     Explain the following with reference to Integrated Services digital Netwrok (ISDN). (A) Basic Rate Interface (BRI) (b) Primary rate Interface (PRI)
8.     List out the names of various WAN protocols.
9.     Write about the Fault Management component of ISO network management model.
10.  What are the SNMP manager and SNMP agent?



Instructions :    (1) Answer any five questions and each question carries twelve 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 OSI reference model with a neat sketch indicating the function of each layer.
12.   Write briefly about the following: (a) wireless LANs (b) FTP.
13.   Compare various transmission media.
14.   Write about IP subnetting.
15.   Write about variable length subnet Mask (VLSM).
16.   Explain the following WAN connectivity options. (a)microwave (b) radio.
17.   Write about virtual private networks (VPNs).
18.   What is the need for network management? Explain the tasks involved in managing a network.


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C-09-CM-401
456
BOARD   DIPLOMA   EXAMINATION,   (C-05)
OCTOER/NOVEMBER 2011
D.C.M.E   -   IV SEMISTER EXAMINATION
COMPUTER NETWORKS
TIME: 3 Hours]                                                                     [Total Marks :80]
PART   - A                                          10*4=40
Instruction:  (1) answer all question and each question
                                           carries FOUR marks
                    (2)  answer should be brief and   straight      to  the point and shall not exceed five simple sentences

1.      List any four hardware components of a typical network.
2.      What is meant by network topology? Write the names of any three network topologies.
3.      Explain the difference between single attachment station(SAS) and Dual Attachment Station(DAS) with reference to FDDI LANs.
4.      Explain briefly about HTTP protocol.
5.      What are the components of an IP address?
6.      What are the advantages of NETBEUI over IP and IPX?
7.      Explain the following with reference to Integrated Services Digital Network(ISDN). (a) Basic Rate Interface(BRI) (b) Primary Rate Interface(PRI)
8.      List out the names of various WAN protocols.
9.      Write about the Fault Management component of ISO NETWORK management model.
10.  What are the SNMP manager and SNMP agent?
 PART- B                                    5*10=50
Instructions: (1) Answer any five questions and each question carries ten 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 OSI reference model with a neat sketch indicating the function of each layer.
12. Write briefly about the following: (a) Wireless LAN’s (b) FTP.
13. Compare various transmission media.
14. Write about IP subnetting.
15. Write about variable length subnet Mask(VLSM).
16. Explain the following WAN connectivity options. (a) Microwave (b) Radio
17. Write about virtual Private Netwroks(VPNs).
18. What is the need for netwrok management? Explain the tasks involved in managing a network.

signals are continuous in nature.