1. Guided media is:
a. water
b. vacuum
c. coaxial cable
d. air
Correct Option: c
2. Guided transmission media __________
a. Local area network
b. Wide area network
c. Twisted pair, coaxial cable and optical fiber
d. Telephone network
Correct Option: c
3. High frequency gives higher data rates in ?
a. fiber optic
b. wireless transmission
c. Microwave
d. Frequency rang
Correct Option: c
4. how many types of transmission modes
a. 4
b. 3
c. 2
d. 1
Correct Option: b
5. in twisted pair which of the following is false
a. telephone network
b. use for LAN
c. analog
d. least expensive
Correct Option: c
6. More expensive twisted pair is?
a. Shielded twisted pair
b. unshielded twisted pair
c. Twisted pair
d. none of mentioned
Correct Option: a
7. Most common & least expensive medium is. ?
a. coaxial
b. switch
c. shielded pair
d. Twisted pair
Correct Option: d
8. Optical fiber:transmit a signal encoded beam of light by _______
a. FDM
b. Total internal reflection
c. Three transmission model
d. WDM
Correct Option: b
9. Radio waves are
a. Omnidirectional
b. Unidirectional
c. Bidirectional
d. None of these
Correct Option: a
10. The guided transmission media may be
a. Twisted pair
b. Coaxial cable
c. Optical fiber
d. All of these
Correct Option: d
11. The wireless transmission must
a. Unguided media
b. Guided media
c. Capacity
d. None of these
Correct Option: a
12. Transmission media is determined by
a. Medium & Signal
b. Medium
c. Signal
d. None of these
Correct Option: a
13. Transmission medium are usually categorized as __________
a. Guided or unguided
b. Fixed or unfixed
c. Unfixed
d. None of the mentioned
Correct Option: a
14. Transmit a signal encoded beam of light by means pf total internal reflection
a. coaxial cable
b. optical fiber
c. LED
d. WDM
Correct Option: b
15. Twisted pair is used for:
a. LAN
b. WAN
c. MAN
d. All of these
Correct Option: a
16. UTP stands for ___________
a. coaxial pair
b. transmitted pair
c. Unshielded twisted pair
d. shielded twisted
Correct Option: c
17. Which cable conist of two insulated copper wire twisted together
a. Twisted pair
b. Coaxial cable
c. Fiber optics
d. None of these
Correct Option: a
18. Which of the following is not shielded twisted pair
a. hard to handle
b. ordinary telephone line
c. high expensive
d. metal braid
Correct Option: b
19. Wireless transmission _______
a. Omnidirectional
b. Unguided media
c. Repetition via antenna
d. Directional
Correct Option: d
20. Wireless transmission deals with
a. LAN
b. unguided media
c. guided media
d. twisted pair
Correct Option: b
Related Topics of Computer Networking
