1000+ Networking Multiple Choice Question Answer [Solved]

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

2. Which of the following is used for establishing, configuring, and testing the data-link
Link Control Protocol (LCP)
A. Method
B. Network Control Protocols (NCPs)
C. Link Control Protocol (LCP)
D. File transfer protocol(FTP)
Answer : C

3. 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

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

5. Thinnet coaxial cable uses what type of connector?
A. RJ-45
B. AUI
C. MSAU
D. BNC
Answer : D

6. Destination physical address in ARP request is a ………………………….address.
A. Unicast
B. Broadcast
C. Multicast
D. Anycast
Answer : B

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

8. Which of the following network topologies has the highest level of redundancy?
A. Bus
B. Star
C. Star
D. Mesh
Answer : D

9. To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.
A. True.
B. False.
C.
D.
Answer : B

10. 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

11. 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

12. What is the default subnet mask for a class A network?
A. 255.0.0.0
B. 255.224.0.0
C. 255.255.0.0
D. 255.255.255.0
Answer : A

13. What is the distance limitation of Cat5 UTP?
A. 1 km
B. 100 km
C. 100 m
D. 100 foot
Answer : C

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

15. ________acts as source and destination for IP traffic.
A. Interface
B. Node
C. Host
D. Router
Answer : C

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

17. Which of the following protocols are considered unreliable or connectionless?
A. UDP
B. TCP
C. FTP
D. TFTP
Answer : A

18. 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

19. 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

20. 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

21. What are the subnet mask in dotted decimal notation for /20 networks?
A. 255.255.252.0
B. 255.255.255.0
C. 255.255.254.0
D. 255.255.240.0
Answer : D

22. Videoconferencing is an example for…………………… communication
A. Simplex
B. Half duplex
C. Full duplex
D. serial
Answer : C

23. You have a network card with only one connector, which looks like a place to plug an oversized phone cord. What type of card is it?
A. token ring
B. decnet
C. d. ethernet
D. fiber optic
Answer : C

24. Which of the following connectors is used by UTP on a Fast Ethernet network?
A. ST
B. BNC
C. RJ-45
D. RJ-11
Answer : C

25. Which of the following is a simplex protocol?
A. Multicast Source Discovery Protocol (MSDP)
B. User datagram protocol(UDP)
C. Resource Reservation Protocol (RSVP)
D. Internet Group Management Protocol (IGMP)
Answer : C

26. Which of the following can provide a backbone network of 600 meters in length without using repeaters?
A. 10BaseT
B. 100BaseT
C. 10Base5
D. 100BaseFX
Answer : D

27. A router receives an IP packet with source IP address 130.45.3.3 and destination IP address 202.23.4.16. The router cannot find the destination IP address in its routing table. Which ICMP message should be sent?
A. Time stamp request
B. Router solicitation
C. Destination Unreachable
D. Parameter problem on a datagram
Answer : C

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

29. 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

30. In distance vector routing an active router sends out information ………………………….
A. Only when there is a change in its table
B. Only when a new host is added
C. At regularly scheduled intervals
D. Only when a new network is added
Answer : C

31. Class C network address class supports 65,534 hosts.
A. True.
B. False.
C.
D.
Answer : B

32. ________allows receiver to inform sender about the successful receiving of all the
segments.
A. SACK-permitted Option
B. Window scale option
C. Selective Acknowledgment (SACK)
D. Maximum segment size option
Answer : C

33. 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

34. Which of the following protocols is described in RFC 793?
A. Address Resolution Protocol (ARP)
B. Transmission Control Protocol (TCP)
C. Bootstrap Protocol (BOOTP)
D. User Datagram Protocol (UDP)
Answer : B

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

36. Which of the following can provide a backbone network of 600 meters in length without using repeaters?
A. 10BaseT
B. 100BaseT
C. 10Base5
D. 100BaseFX
Answer : D

37. What is the default port for Telnet?
A. 23
B. 21
C. 25
D. 80
Answer : A

38. A node, which is more powerful, and can handle local information processing or graphics processing is called a------------------.
A. Workstation
B. Server
C. Network Operating System
D. Peer system
Answer : A

39. 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

40. 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

41. Which of the following is required to communicate between two computers?
A. Communications software
B. Protocol
C. Communication hardware
D. All of the above including access to transmission medium
Answer : D

42. 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

43. Which of the following filed represents the sender of the message in an electronic mail?
A. To
B. From
C. Cc
D. Reply-to
Answer : B

44. 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

45. 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

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

47. 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

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

49. A modem is a card within a PC that converts the …………... the computer produces to ………………….. that can pass over telephone system.
A. Data, signal
B. Analog signal, digital signal
C. Digital signal, analog signal
D. signal, data
Answer : C

50. Which of the following algorithms are meant for establishing the paths through the network?
A. Unicast
B. Broadcast
C. Multicast
D. Any cast
Answer : C