1. The ...................is the path through data transmit.
a. Protocol
b. Medium
c. Sender
d. None of the above
ans--> Medium
2. The information to be transmitted in data communication system is called ..............
a. Protocol
b. Medium
c. Communication
d. Message
ans---> Message
3. Radio broadcast system is an example of ................... transmission
a. Simplex
b. Half Duplex
c. Full Duplex
d. None of the above
ans---> Simplex
4. Communication between computer and monitor is .............transmission
a. Simplex
b. Full Duplex
c. Half Duplex
d. None of the above
ans----> Simplex
5. Walkie-Talkie communication is an example of ............transmission.
a. Simplex
b. Half Duplex
c. Full Duplex
d. None of the above
ans----> Half Duplex
6. .................transmission mode in which data can transmit in both direction at the same time
a. Simplex
b. Half Duplex
c. Full Duplex
d. None of the above
ans----> Full Duplex
7. Transmission mode in which capacity of transmission medium is shared all the time is ................
a. Simplex
b. Half Duplex
c. Full Duplex
d. None of the above
ans----> Full Duplex
8. Computer network within building, campus or nearby building is .........
a. LAN
b. MAN
c. WAN
d. PAN
ans-----> LAN
9. Computer network that span countries, continent or the whole world is
a. LAN
b. MAN
c. WAN
d. PAN
ans----> WAN
10. Transmission medium that provides the physical conduct from one device to another is
a. Guided
b. Unguided
c. Both A and B
d. None of the above
ans---> Guided
11. Wireless medium is also called ........medium.
a. Guided
b. Unguided
c. Unbounded
d. Both B and C
ans---> Both B and C
12. Transmission medium in which signal transmit in the form of light is .................
a. Twisted Pair Cable
b. Communication satellite
c. Coaxial Cable
d. Fiber Optic Cable
ans---> Fiber Optic Cable
13. .........cable can transmit data in higher rate than .......cable
a. Twisted pair, coaxial
b. Coaxial; Fiber Optic
c. Coaxial;Twisted pair
d. Fiber Optic cable
ans--> Coaxial;Twisted Pair
14. .............media transmit the signal without using physical conductor.
a. Bounded
b. Unbounded
c. Unguided
d. Both B and C
ans---> Both B and C
15. The OSI model consists of ............ layers
a. 3
b. 5
c. 7
d. 9
ans---> 7
16. The .............layer is closest to transmission medium.
a. Physical
b. Data Link
c. Transport
d. Network
ans-->Physical
17. The end to end delivery of the entire message is the responsibility of ............ layer.
a. Data Link
b. Network
c. Transport
d. Network
ans---> Transport
18. The ......layer enables the user to across network.
a. Presentation
b. Session
c. Network.
d. Application
ans-----> Application
19. In fiber optics, the signal source is ..................
a. Radio Waves
b. Infrared waves
c. Light Waves
d. Very low frequency waves
ans----> Light Waves
20. Geosynchronous satellite complete one orbit in
a. 1 hour
b. 1 day
c. 1 month
d. 1 year
ans----> 1 year
21. .......is a type of transmission impairment in which outside source such as crosstalk corrupts the signal.
a. Attenuation
b. Noise
c. Distortion
d. Decibel
ans----> Noise
22. ................is a loss of signal's energy due to resistance of the medium.
a. Attenuation
b. Noise
c. Distortion
d. Decibel
ans----> Attenuation
23. ...............topology that use multipoint connection.
a. Star
b. Bus
c. Ring
d. Mesh
ans---> Bus
24. .........topology require hub or central controller.
a. Star
b. Bus
c. Ring
d. Mesh
ans----> Star
25. Mesh topology with 6 node require.....cables.
a. 6
b. 10
c. 12
d. 15
ans---> 15
26. Topology that uses point to point connection
a. Star
b. Mesh
c. Ring
d. All of the above
ans---> All of the above
27. Size of IP address in IPv4 is ..............
a. 4 Bytes
b. 8 Bytes
c. 16 Bytes
d. None of the above
ans---> None of the above
28. Size of IP address in IPv4 is .......
a. 32 Bits
b. 64 Bits
c. 128 Bits
d. None of the above
ans---> 128 Bits
29. Size of subnet mask is
a. 32 Bits
b. 64 Bits
c. 128 Bits
d. None of the above
ans---> 32 Bits
30. Size of MAC address is
a. 32 Bits
b. 48 Bits
c. 64 Bits
d. 128 Bits
ans----> 48 Bits
31. Private LAN/MAN of an organization that is accessible to organizational users only is ....
a. Internet
b. Extranet
c. Intranet
d. All of the above
ans---> Intranet
32. Which one is remote login tool
a. LogMeIn
b. Team Viewer
c. SplashTop
d. All of the above
ans---> Team Viewer
33. .........regenerate an incoming signal before retransmitting it
a. HUB
b. Modem
c. Repeater
d. Router
ans----> Repeater
34. Wi-Fi uses...............gigahertz radio bands.
a. 2.4
b. 5
c. Both A and B
d. None of the above
ans----> Both A and B
35. ...................command Verifies IP level connectivity to another TCP/IP computer by sending Internet Control Message Protocol(ICMP) echo Request messages.
a. IPconfig
b. Ping
c. Both A and B
d. None of the above
ans---> Ping
36. .......................command is used to display the basic TCP/IP configuration for all adapters.
a. IPconfig
b. Ping
c. Both A and B
d. None of the above
ans--->IPconfig
