1000+ Networking Multiple Choice Question Answer [Solved]

1. Which of the following is also known as IP masquerading?
A. Fiber Distributed Data Interface (FDDI)
B. Network Address Translation (NAT)
C. Classless Inter-Domain Routing (CIDR)
D. None of the above
Answer : B

2. 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

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

4. 25 is used by SMTP
A. True.
B. False.
C.
D.
Answer : A

5. Which type of connector is used on 10Base2 networks?
A. SC
B. BNC
C. RJ-45
D. RJ-11
Answer : B

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

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

8. 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

9. Following are the advantages of tree topology
i) Point-to-point wiring for individual segments.
ii) Supported by several hardware and software venders.
iii) Easy to install and wire
A. i) only
B. i) and ii) only
C. iii) only
D. i) ,ii) and iii)
Answer : B

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

11. 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

12. Strings enclosed in _______ quotation marks indicate single tokens.
A. Alphanumeric
B. Morse code
C. ASCII
D. Binary
Answer : C

13. 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

14. Which of the following can be used to transfer files from a Unix server?
A. FTP
B. Telnet
C. IPX
D. Netstat
Answer : A

15. 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

16. 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

17. 127.0.0.1 address is reserved for internal loopback functions.
A. True.
B. False.
C.
D.
Answer : A

18. Internet Architecture Board (IAB) governs which of the following bodies?
A. Internet Assigned Number Authority (IANA)
B. Internet Research Task Force (IRTF)
C. Internet Engineering Task Force (IETF)
D. All of the above
Answer : D

19. Which of the following is used for testing the data-link connection in a PPP network?
A. Link Control Protocol (LCP)
B. Method
C. Network Control Protocols (NCPs)
D. Basic Rate Interface (BRI)
Answer : A

20. A financial institution that issues the card to the purchaser is ________.
A. Merchant
B. Issuer
C. Acquirer payment gateway
D. Cardholder
Answer : B

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

22. 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

23. FTP servers by default listen on port ________ for incoming connections from FTP clients.
A. 20
B. 21
C. 23
D. 25
Answer : B

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

25. Which of the following can support many concurrent B-channel links and one 64 Kbps Dchannel?
A. ISDN Basic Rate Interface (BRI)
B. ISDN Primary Rate Interface (PRI)
C. Point-to-Point circuit (PPP)
D. ISDN NRZ encoding
Answer : B

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

27. Which of the following defines a family of standards for 100 Mbps fiber optic LANs that
provides the physical layer and media access control sub-layer of the data link layer, as
defined by the ISO/OSI Model?
A. Ethernet
B. IEEE 802
C. Fiber Distributed Data Interface (FDDI)
D. Point-to-Point Protocol (PPP)
Answer : C

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

29. Which of the following request in Session Initiation Protocol (SIP) queries the capabilities of
servers?
A. CANCEL
B. ACK
C. OPTIONS
D. PRACK
Answer : C

30. What layer of the OSI protocol reference model does a bridge operate under?
A. Physical
B. Data-link
C. Network
D. Transport
Answer : B

31. Which of these is a feature of hubs?
A. Hubs amplify the incoming signal.
B. Hubs understand frames, packets or headers
C. All lines coming into a Hub must operate at a same speed.
D. all of these
Answer : C

32. Which field in Domain Name System message format specifies the class of query?
A. Type
B. Class
C. Rdlength
D. Rdata
Answer : B

33. Which of the following transmission media suffers more from transmission impairment?
A. coaxial cable
B. Optical fiber
C. twisted pair
D. wave guides
Answer : C

34. Which is the port used by HTTPS?
A. 123
B. 143
C. 69
D. 443
Answer : D

35. ----------------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

36. Which of the following provides a structure for conveying message through TCP/IP network
to host?
A. Address Resolution protocol (ARP)
B. Internet Control Message Protocol (ICMP)
C. Bootstrap Protocol (BOOTP)
D. Dynamic Host Configuration Protocol (DHCP)
Answer : D

37. In 1996, 36.44% of _________ addresses were brought in use.
A. Class A
B. Class D
C. Class B
D. Class C
Answer : D

38. AppleTalk protocol configures hosts in zones on the network.
A. True.
B. False.
C.
D.
Answer : A

39. What is the maximum length of thinnet cable before a signal booster is needed?
A. 185 meters
B. 500 feet
C. 1600 feet
D. 1 mile
Answer : A

40. ___________ 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

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

42. _______ body looks after the protocol identifiers used over Internet.
A. Transmission Control Protocol
B. Telnet protocol
C. Internet Protocol
D. Network Control Protocol
Answer : D

43. 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

44. 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

45. You're asked to install a Citrix MetaFrame XP server. What protocol will clients use to connect and run graphical terminal emulation to the new server?
A. ICA
B. Telnet
C. RAS
D. HTTP
Answer : A

46. 127.0.0.1 address is reserved for internal loopback functions.
A. True.
B. False.
C.
D.
Answer : A

47. In Integrated services model, ________ corresponds to token bucket filter.
A. Bspec
B. Filter spec
C. Rspec
D. Tspec
Answer : D

48. 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

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

50. Which type of BGP message is sent by a system to notify another router of the senders existence?
A. Keep-alive
B. Notification
C. Open
D. Update
Answer : A