Networking MCQ Solved Paper for LIC ADO

1. Which of the following address supports 254 hosts on each of 2 million networks?
A. Class D addresses
B. Class A addresses
C. Class C addresses
D. Class B addresses
Answer : C

2. Which of the following fields holds the packets of several protocols?
A. NLPID field
B. Pad field
C. UI (0x03) field
D. Q.922 field
Answer : A

3. In TCP segment format _______indicates start of data.
A. RST
B. ACK
C. URG
D. Data Offset
Answer : D

4. BGP is …………………………………….routing protocol used to ………………………….routing table.
A. intrautonomous system, update
B. Interautonomous system, update
C. Interautonomous system, create
D. intrautonomous system, create
Answer : B

5. In the IP address 129.2.8.9, what does 129.2 specify?
A. Protocol address
B. Router address
C. Host number
D. Network number
Answer : D

6. TCP protocol is responsible for logical addressing and delivery of packets.
A. True.
B. False.
C.
D.
Answer : B

7. Which function is not supported by E-mail?
A. authentication
B. composition
C. Disposition
D. Displaying
Answer : A

8. Which directory service is used in Windows 2000 Server?
A. Active Directory
B. SAM
C. NDS
D. Bindery
Answer : A

9. Which of the following protocol was developed to overcome limitations of Routing
Information Protocol (RIP)?
A. Border Gateway Protocol (BGP)
B. Exterior Gateway Protocol (EGP)
C. Enhanced Interior Gateway Routing Protocol (EIGRP)
D. Open Shortest Path First (OSPF)
Answer : A

10. You have a network card with the connector in question 43, and it also has a 9 pin female connector. What type of card is it?
A. ethernet
B. token ring
C. fiber optic
D. ipx/spx
Answer : B

11. ADSL uses high-speed Internet service phone lines
A. True.
B. False.
C.
D.
Answer : A

12. The general form of the SMTP destination address is ________________.
A. user% remote-host@gateway-host
B. user@host
C. local-part@domain-name
D. None of the above
Answer : C

13. Which of the following provides control over multimedia sessions?
A. Session Initiation Protocol (SIP)
B. Session Description Protocol (SDP)
C. Session Announcement Protocol (SAP)
D. Real-time Control Protocol (RTCP)
Answer : A

14. Your Web server is also configured as an FTP server. What part of the data packet will tell the server which application the data is meant for?
A. Port
B. IP address
C. MAC address
D. Frame header
Answer : A

15. The Point-to-Point Protocol (PPP) is described in which of the following?
A. RFC 3390 AND RFC 3392
B. RFC 1661 AND RFC 1662
C. RFC 2490 AND RFC 2492
D. RFC 2225 AND RFC 2226
Answer : B

16. Select the class C IP address from the following:
A. 122.10.8.25
B. 170.5.88.2
C. 191.5.26.1
D. 207.67.112.55
Answer : D

17. Internet Research Task Force (IRTF) body looks after ________.
A. The research projects of TCP/IP suit
B. Technical related issues
C. Development of standards like Requests for Comments
D. Maintenance of Internet
Answer : A

18. ------------------- is/ are caused by the random motion of the electrons in a wire and is unavoidable.
A. Dispersion
B. Thermal noise
C. Delay distortion
D. all of these
Answer : B

19. The generic domain name for air transport industry is ________.
A. biz
B. air
C. aero
D. fly
Answer : C

20. Which of the following versions will replace IPv4 Internet layer?
A. IPv4.1
B. IPv5.1
C. IPv6
D. IPv5.2
Answer : C

21. Which of the following can translate between dissimilar protocols and network types?
A. Hub
B. Repeater
C. Switch
D. Gateway
Answer : D

22. 802.5 project standard defines Token Ring.
A. True.
B. False
C.
D.
Answer : A

23. At which layer of the OSI model do FTP, SMTP, POP3, and HTTP function?
A. Physical
B. Network
C. Transport
D. Application
Answer : D

24. Internet e-mail system based on the ……………………………………………..
A. FTP
B. Simple Mail Transfer Protocol (SMTP)
C. POP
D. Both SMTP and POP
Answer : B

25. Data Transmission is not a layer in the OSI model
A. True.
B. False.
C.
D.
Answer : A

26. ____________ was developed to support aggregation and summarization of routing
information.
A. Static Routing protocol
B. Enhanced Interior Gateway Routing Protocol (EIGRP)
C. Routing Information Protocol (RIP)
D. Border Gateway Protocol (BGP)
Answer : D

27. Your network has gotten a single class C address but has 300 computers. How can you connect them to the Internet?
A. Use IPX.
B. Implement NAT.
C. Use DHCP.
D. Use DNS.
Answer : B

28. Which of the following is the port used by SMTP?
A. 21
B. 23
C. 25
D. 80
Answer : C

29. 80 is the well-known port number for the HTTP service.
A. True.
B. False.
C.
D.
Answer : A

30. Which class does the IP address 202.119.22.31 belong to?
A. Class A
B. Class B
C. Class C
D. APIPA
Answer : C

31. In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.
A. Authorization
B. Purchase order
C. Inquiry
D. Capture
Answer : A

32. Which cable type is immune to outside interference and crosstalk?
A. Thinnet
B. Twisted pair
C. Fiber optic
D. Thicknet
Answer : C

33. 25 is used by SMTP
A. True.
B. False.
C.
D.
Answer : A

34. UDP datagram has a header, which is of ________.
A. 16 bytes
B. 8-bytes
C. 32 bytes
D. 64 bytes
Answer : B

35. Using a class B address maximum of …………………networks can be defined with up to……………………..hosts per networks.
A. 2,097,152-------------254
B. 16,384-----------------65,536
C. 16,384---------------65,534
D. 126--------------------16,777,214
Answer : C

36. You wish to install a 100BaseT network. What type of cabling will you use?
A. CAT 3 UTP
B. CAT 5 UTP
C. Thinnet
D. Fiber optic
Answer : B

37. If user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key of ………….
A. Skeleton
B. Private
C. Public
D. Symmetric
Answer : D

38. In ----------------------- configuration, the switch begins to forward the packet as soon as it is received. No error checking is performed on the packet, so the packet is moved through very quickly.
A. cut-free
B. franment-free
C. store-and-forward
D. cut-through
Answer : D

39. OSPF is based on …………………
A. Distance vector routing
B. Path vector routing
C. Link state routing
D. both a and b
Answer : C

40. What can be used in the place of DNS to resolve host names to IP addresses?
A. WINS
B. LMHosts
C. Hosts
D. DHCP
Answer : C

41. Which of the following is the IEEE specification for wireless networks?
A. 802.3
B. 802.5
C. 802.2
D. 802.11b
Answer : D

42. What is the IEEE specification for Ethernet?
A. 802.1
B. 802.2
C. 802.3
D. 802.4
Answer : C

43. Select the standard for token ring using token-passing media access.
A. 802.2
B. 802.3
C. 802.5
D. 802.11(b)
Answer : C

44. Which Layer is Responsible for Congestion Control?
A. Network Layer
B. Datalink Layer
C. Transport Layer
D. D) Application layer
Answer : C

45. In flags message attribute, which of the following flag indicates that message has been
completed?
A. \Deleted
B. \Recent
C. \Flagged
D. \Draft
Answer : D

46. What is used to boost a digital signal?
A. amplifier
B. digi-booster
C. multiplexer
D. booster
Answer : D

47. What is the address identified when socket is available at each end of TCP?
A. "<TCP, IP address, socket number>."
B. "<TCP, Host address, port address>."
C. "<TCP, IP address, port number>."
D. "<TCP, Network address, socket address>."
Answer : C

48. 17. Which of the following use default routes for inter-domain routing?
A. Type 2
B. Type 4
C. Type 3
D. Type 1
Answer : B

49. ………………….is a technique of conversion between the representation of digital data in user equipment and the corresponding signals transmitted over a communications channel.
A. Line coding
B. Demodulation
C. Modulation
D. Segmentation
Answer : C

50. A time exceeded message is generated if ………………………………………………….
A. The round trip time between hosts is close to zero.
B. The Time-to Live field has a zero value.
C. Fragments of a message do not arrive within a set time
D. both b & c
Answer : D