Networking MCQ Solved Paper for NMAT

1. ------------------- 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

2. ARP is defined in RFC _____ and it is a current internet standard, ________
A. RFC-37, STD 903
B. RFC-903, STD 37
C. RFC 826; STD 37
D. RFC 37; STD 826
Answer : C

3. How many table entries are supported by global routing table in CIDR?
A. 90,000
B. 80,000
C. 70,000
D. 60,000
Answer : D

4. You're configuring a dial-up connection to an ISP. Which of the following protocols is used?
A. PPTP
B. PPP
C. VPN
D. IPSec
Answer : B

5. The network interface layer specifies how to organize data into………………………..and Internet layer specifies the format of …………………….. Sent across an Internet.
A. Bits, message.
B. frame,packet.
C. packet, messge.
D. datagram, packet.
Answer : B

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

7. What is the range of multicast addressing?
A. 223.0.0.0 through 240.255.255.255
B. 244.0.0.0 through 239.255.255.266
C. 224.1.1.1 through 239.555.255.255
D. 224.0.0.0 through 239.255.255.255
Answer : D

8. What is attenuation?
A. cable noise
B. cable shortage
C. loss of signal strength
D. unwanted signals on the network
Answer : C

9. 25 is used by SMTP
A. True.
B. False.
C.
D.
Answer : A

10. 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

11. …………………………..combines characteristics of linear bus and star topologies.
A. Ring topology
B. A hybrid topology
C. A tree topology
D. mesh topology
Answer : C

12. You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain name resolution?
A. Contoso.com, contoso.org, microsoft.com, com
B. Contoso.com, org, microsoft.org, org
C. Contoso.org, org, root [.], com, microsoft.com
D. Microsoft.com, com, org, contoso.org
Answer : C

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

14. Which layer of the OSI model does a switch operate in?
A. Physical
B. Data-link
C. Network
D. Transport
Answer : B

15. ----------------is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on.
A. Distance vector
B. Congestion
C. Link state routing
D. Flooding
Answer : D

16. 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

17. 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

18. Which of the following IEEE specifications uses CSMA/CD?
A. 802.2
B. 802.3
C. 802.5
D. 802.11b
Answer : B

19. TCP protocol is responsible for connection-oriented communication
A. True.
B. False.
C.
D.
Answer : A

20. A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?
A. DSL
B. Cable modem
C. ISDN
D. T1
Answer : C

21. How many 64-Kbps channels are used on an ISDN BRI?
A. 1
B. 2
C. 3
D. 4
Answer : B

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

23. Thick Ethernet cable uses what type of connector? Select all that apply.
A. RJ-45
B. AUI
C. DB-15
D. BNC
Answer : B

24. _________ is a type of domain name queries.
A. Linear
B. Iterative
C. Grouped
D. Parallel
Answer : B

25. ARP is defined in RFC _____ and it is a current internet standard, ________
A. RFC-37, STD 903
B. RFC-903, STD 37
C. RFC 826; STD 37
D. RFC 37; STD 826
Answer : C

26. Which piece of equipment operates at both the data-link and network layers?
A. Hub
B. Bridge
C. Brouter
D. Router
Answer : C

27. ICMP messages require ………………. levels of encapsulation
A. One
B. Two
C. Three
D. Four
Answer : B

28. What is the default subnet mask for a class B network?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.192.0
Answer : B

29. You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured for an IP network over 100BaseT using DHCP. You can't connect, even though the client says that DHCP is working on his 100BaseT network. What should
A. Use Ipconfig /release to release the old DHCP address.
B. Use Winipcfg and click Release to release the old DHCP address.
C. Use Ifconfig to initialize the NIC.
D. Use Tracert to determine the problem.
Answer : A

30. Which of the following algorithms are easy to implement and debug?
A. Hybrid algorithm
B. Path vector algorithm
C. Link state algorithm
D. Distance vector algorithms
Answer : D

31. ___________ is based on resources that are present within the Diffserv region.
A. Admission control
B. Packet scheduler
C. Packet classifier
D. Packet control
Answer : A

32. Identify the topology and network type that uses a central hub with cables connected to workstations.
A. Physical star topology, Ethernet
B. Physical bus topology, Ethernet
C. Physical ring topology, token ring
D. Physical ring topology, Ethernet
Answer : A

33. Which of the following was initially designed as a video and audio compression standard?
A. MPEG-1
B. MPEG-2
C. MPEG-4
D. MPEG-3
Answer : A

34. 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

35. Which of these cable is/are used to connect devices to hubs and switches.
A. crossover
B. straight-through
C. co-axial
D. both A) and B)
Answer : D

36. Router B receives an update from router A that indicates Net1 is two hops away. The next update from A says Net1 is five hops away. What value is entered in B's routing table for Net1? Assume the basic RIP is being used.
A. 6
B. 7
C. 2
D. 3
Answer : A

37. --------------- is/are used for error detection.
A. Parity bit
B. checksum
C. both A) and B)
D. neither A) nor B).
Answer : C

38. SMTP protocol is responsible for sending email across the Internet
A. True.
B. False.
C.
D.
Answer : A

39. Which of the following headers does a router look at to find how to route a data packet?
A. Ethernet frame header
B. MAC address
C. Application header
D. IP header
Answer : D

40. 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

41. How many number of host/machine can be attached to a network using a class B address?
A. 65,536
B. 128
C. 256
D. 16,777,216
Answer : A

42. What is the maximum frame size of a frame relay?
A. < or = to 1600 octets
B. > or = to 1800 octets
C. < or = to 1800 octets
D. > or = to 1600 octets
Answer : D

43. 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

44. 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

45. The packet transmit using standard Internet Protocol(IP) throughout the Internet by
A. Circuit switching
B. Packet switching
C. Message switching
D. None of the above.
Answer : B

46. Which is the port used by POP3?
A. 69
B. 110
C. 143
D. 443
Answer : B

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

48. Which of the following states suggests that the connection has been ended either at the
request of the client or for any other reason?
A. Selected state
B. Authenticated state
C. Logout state
D. Non-authenticated state
Answer : C

49. You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured for an IP network over 100BaseT using DHCP. You can't connect, even though the client says that DHCP is working on his 100BaseT network. What should
A. Use Ipconfig /release to release the old DHCP address.
B. Use Winipcfg and click Release to release the old DHCP address.
C. Use Ifconfig to initialize the NIC.
D. Use Tracert to determine the problem.
Answer : A

50. 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