Networking 1000+ MCQ with answer for IBPS SO

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

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

3. 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

4. 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

5. 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

6. 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

7. In ________ routing, the tunnel creates a bridge through areas that do not support
multicast traffic.
A. Internet
B. MBONE
C. Border Gateway Protocol
D. Multicast OSPF
Answer : B

8. 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

9. In an active mode if any FTP client sends the port command "PORT 192,168,0,1,4,1" then
what will be the interpretation of port field?
A. 1024
B. 1025
C. 1023
D. 227
Answer : B

10. Which of the following are not the standard representations defined by Telnet protocol?
A. IP and AO
B. YTA and WAY
C. EC and EL
D. SYNCH
Answer : B

11. In which of the following states after selecting a mailbox, actions can be taken against the
mail within the mailbox?
A. Non-authenticated state
B. Authenticated state
C. Selected state
D. Logout state
Answer : C

12. 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

13. 80 is the well-known port number for the HTTP service.
A. True.
B. False.
C.
D.
Answer : A

14. 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

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

16. When collection of various computers seems a single coherent system to its client, then it is called
A. computer network
B. distributed system
C. both (a and (b
D. none of the mentioned
Answer : B

17. 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

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

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

20. 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

21. Which of the following protocol is used by Integrated Services for signaling of the
reservation messages?
A. Link state protocols
B. Distance Vector Multicast Routing Protocol (DVMRP)
C. Resource Reservation Protocol (RSVP)
D. Static routing protocols
Answer : C

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

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

24. 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

25. The idea of sharing one network address among the multiple physical networks can be done using the following technique:
A. Supernetting
B. Subnetting
C. Transparent router
D. Both b & c
Answer : D

26. 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

27. 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

28. ____________ 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

29. 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

30. If the organization allocates 10 bits as subnet number, to identify a physical network, then the organization can have at the most……………. networks and each of these networks that can support only…………………...hosts.
A. 1022 networks, 62 hosts.
B. 62 networks, 1022 hosts.
C. 4094 networks, 14 hosts.
D. 14 networks, 4094 hosts.
Answer : A

31. 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

32. 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

33. Which of the following is defined in RFC 4366?
A. Secure File Trasfer Protocol (SFTP)
B. Trivial File Transfer Protocol (TFTP)
C. File Transfer Protocol (FTP)
D. Transport Layer Security (TLS)
Answer : D

34. 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

35. _____________ command is used by the client to transfer the job across to the server.
A. Any upper layer protocol
B. User datagram protocol
C. Transmission Control protocol
D. Remote Shell protocol
Answer : D

36. 25 is used by SMTP
A. True.
B. False.
C.
D.
Answer : A

37. 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

38. ------------------- 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

39. 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

40. 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

41. 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

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

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

44. 802.5 project standard defines Token Ring.
A. True.
B. False
C.
D.
Answer : A

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

46. In an autonomous system with n areas, how many areas are connected to the backbone?
A. 1
B. N
C. N+1
D. N-1
Answer : D

47. 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

48. Where are routing tables placed?
A. in network interface card
B. in routers memory
C. in server memory
D. in a subnets memory
Answer : B

49. 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

50. 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