1000+ Networking MCQ for RBI Assistant [Solved]

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

2. 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

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

4. preamble field of 802.3 frames is encoded using ------------------- encoding
A. Manchester
B. differential Manchester
C. Bi polar
D. uni polar
Answer : A

5. 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

6. ____________ 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

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

8. 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

9. Which of the following protocols were designed for terminal emulation to connect dissimilar systems?
A. Domain Name System
B. FTP
C. Telnet
D. Control Message Protocol
Answer : C

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

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

12. 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

13. 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

14. Network administrator checks whether all the devices connected to the end-to-end path
are _________-enabled.
A. Any cast
B. Broadcast
C. Unicast
D. Multicast
Answer : D

15. 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

16. 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

17. 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

18. 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

19. What is 10baseT?
A. specification for twisted-pair cable
B. specification for cable terminators
C. 10 megawatt transceiver
D. 10 Mhz analog transfers
Answer : A

20. ………………….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

21. Which of the following is currently a de facto standard, commonly used for point-to-point
serial connections running TCP/IP?
A. Fiber Distributed Data Interface (FDDI)
B. Serial Line IP (SLIP)
C. Point-to-Point Protocol (PPP)
D. IEEE 802.3
Answer : B

22. ________is a multicast extension to OSPF Version 2.
A. Multicast Source Discovery Protocol (MSDP)
B. Distance Vector Multicast Routing Protocol (DVMRP)
C. Multicast OSPF (MOSPF)
D. Internet Group Management Protocol (IGMP)
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. 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

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

26. 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

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

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

29. 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

30. _______ 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

31. 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

32. 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

33. 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

34. 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

35. 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

36. 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

37. 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

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

39. 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

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

41. 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

42. 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

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

44. DSL stands for ------------------------
A. data subscriber lines
B. dual subscriber lines
C. delay subscriber lines
D. digital subscriber lines
Answer : D

45. 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

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

47. What is the maximum length of twisted-pair cable before a signal booster is needed? Select all that apply.
A. 25 meters
B. 100 meters
C. 328 feet
D. 1000 feet
Answer : B

48. _______ Domain name corresponds to US military.
A. .us mili
B. .mili
C. .mil
D. .us
Answer : C

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

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