Electrical Online Test 33

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Attempt Free Electrical Online Test 33 Here. Read The Important Electrical MCQ From Below.

1) Router operates in which layer of OSI Reference Model?

a. Layer 1
b. Layer 3
c. Layer 4
d. Layer 7
Ans. b. Layer 3

2) MAC Address is the example of

a. Transport Layer
b. Data link layer
c. application layer
d. Physical layer
Ans. b. Data link layer

3) What is the use of Ping command?

a. To test a device on the network is reachable
b. To test a hard disk fault
c. To test a bug in a application
d. to test a printer quality
Ans. a. To test a device on the network is reachable

4) Routing table of a router keeps track of

a. MAC address assignments
b. port assignments to network devices
c. Distribute IP address to network devices
d. Routes to use for forwarding data to its destination
Ans. d. Routes to use for forwarding data to its destination

5) Bridge works in which layer of the OSI model

a. Application layer
b. Transport layer
c. Network layer
d. Data link layer
Ans. d. Data link layer

Electrical Online Test 33

6) What is the size of MAC Address ?

a. 16-bits
b. 32-bits
c. 48-bits
d. 64-bits
Ans. c. 48-bits

7) Which of the following is/are Protocols of Application?

a. FTP
b. DNS
c. Telnet
d. All of above
Ans. d. All of above

8) Which of the following layer of OSI model also called end-to -end layer?

a. Presentation layer
b. Network layer
c. Session layer
d. Transport layer
Ans. d. Transport layer

9) which provides a connetion-oriented reliable service of sending messages

a. TCP
b. IP
c. UDP
d. all of these
Ans. a. TCP

10) Layer-2 switch is also called

a. Multiport Hub
b. Multiport Switch
c. Multiport Bridge
d. Miultiport NIC
Ans. c. Multiport Bridge

Electrical Online Test 33

11) Which layers of OSI model are host-to-host layers?

a. Transport, Session, Presentation, Application
b. Network, Transport, Session, Presentation
c. Data link, Network, Transport, Session
d. Physical, Data link, Network, Transport
Ans. a. Transport, Session, Presentation, Application

12) Which of the following is not in the Networking Devices

a. Gateways
b. Linux
c. Routers
d. Firewalls
Ans. b. Linux

13) Which of the following protocol is/are defined in Transport layer

a. FTP
b. TCP
c. UDP
d. Both UDP &TCP
Ans. d. Both UDP &TCP

14) The last address of IP address represents

a. Unicast address
b. Network address
c. Broadcast address
d. none of these
Ans. c. Broadcast address

15) How many bits are there in the Ethernet address

a. 64 bits
b. 48 bits
c. 32 bits
d. 16 bits
Ans. b. 48 bits

Electrical Online Test 33

16) Each IP packet must contain

a. Only source address
b. Only Destination address
c. Source and Destination address
d. Source or Destination address
Ans. c. Source and Destination address

17) Which of the following can be software?

a. Routers
b. Firewalls
c. Gateways
d. Modems
Ans. b. Firewalls

18) ADSL is the abbreviation of

a. Asymmetric Dual Subscriber line
b. Asymmetric Digital system Line
c. Asymmetric Dual system Line
d. Asymmetric Digital Subscriber Line
Ans. d. Asymmetric Digital Subscriber Line

19) The meanig of Straight-through Cable is-

a. Four pairs connect to the same pin on each end
b. The cable which Directly connects computer to computer
c. Four wire pairs not twisted with each other
d. The cable which is not twisted
Ans. a. Four pairs connect to the same pin on each end

20) What is the use of Bridge in Network ?

a. to connect LANs
b. to separate LANs
c. to control Network Speed
d. all of these
Ans. a. to connect LANs

Electrical Online Test 33

21) what is the benefit of the Networking?

a. File sharing
b. Easier access to resources
c. Easier Backups
d. All of these
Ans. d. All of these

22) What is the maximum header size of an IP packet

a. 32 bytes
b. 64 bytes
c. 30bytes
d. 60 bytes
Ans. d. 60 bytes

Electrical Online Test 33

23) What is the size of Host bits in Class B of IP address?

a. 4
b. 8
c. 16
d. 32
Ans. c. 16

24) How many layers are in the TCP/IP model

a. 4 layers
b. 5 layers
c. 6 layers
d. 7 layers
Ans. a. 4 layers

25) which of the following IP address class is Mulitcast

a. Class A
b. Class B
c. Class C
d. Class D
Ans. d. Class D

Electrical Online Test 33