1000+ Networking MCQ for JEE Main [Solved]

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

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

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

4. 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

5. …………………… have a single communication channel that is shared by all the users on the network.
A. Point-to-point
B. Broadcast networks
C. Protocol
D. PAN
Answer : B

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

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

8. 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

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

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

11. 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

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

13. ________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

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

15. 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

16. 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

17. Which of the following is a media type that is most susceptible to interference?
A. Shielded twisted pair (STP)
B. Fiber optics
C. Unshielded twisted pair (UTP)
D. Coaxial
Answer : C

18. 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

19. 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

20. Which of the following IP addresses are used by multicast devices?
A. Class D
B. Class C
C. Class B
D. Class A
Answer : A

21. 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

22. FDDI operates on 100 Mbps.
A. True.
B. False.
C.
D.
Answer : A

23. What is the address identified when socket is available at each end of TCP?
A. "<TCP, IP address, socket number>."
B. "<TCP, Host address, port address>."
C. "<TCP, IP address, port number>."
D. "<TCP, Network address, socket address>."
Answer : C

24. 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

25. 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

26. 25 is used by SMTP
A. True.
B. False.
C.
D.
Answer : A

27. 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

28. 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

29. 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

30. T1 makes up 24 channels.
A. True.
B. False.
C.
D.
Answer : A

31. 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

32. 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

33. UDP datagram has a header, which is of ________.
A. 16 bytes
B. 8-bytes
C. 32 bytes
D. 64 bytes
Answer : B

34. Telnet protocol uses ___________ representation for the function Synchronize.
A. SYC
B. SYNCH
C. SNZ
D. SY
Answer : B

35. ………………….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

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

37. 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

38. 80 is the well-known port number for the HTTP service.
A. True.
B. False.
C.
D.
Answer : A

39. 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

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

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. 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

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

44. FDDI operates on 100 Mbps.
A. True.
B. False.
C.
D.
Answer : A

45. 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

46. 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

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

48. 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

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

50. The worldwide Internet is a well-known example of ------------------.
A. PAN
B. Subnet
C. Intra-Network
D. Inter-network
Answer : D