data comm evaluation

1. Quiiizzzz!!!
STRICTLY NO ERASURES

2. 1. Use as to transmit
data.
a.Data
b.Electromagnetic signals
c.Network
d.Technology

3. 2-3) give two types of
transmission media

4. 4. It is the act of propagating the signal
along a suitable medium
a. Data
b.Signal
c. Signaling
d. Transmission

5. 5. An impairment which
means signal changes its
form and shape.
a.Noise
b.Antuation
c.Distortion
d.None of the
above

6. 6. It is a process of sending digital and analog
data over a communication medium.
a.Data transmission
b. Signaling
c. Communication
d. Networking

7. 7. More than two
devices share the same
medium.
• a. Direct link
•b. Multipoint
•c. Point to point
•d.Simplex

8. 8. In
transmission
termenology, both
stations transmit
one at a time
• a. Point to point
• b. Simplex
• c. Multipoint
• d. Half Duplex

9. 9. An entities that conveys
meaning.
a.Signal
b.Information
c.Data
d.Network

10. 10. The _____________ is caused by the strength of signal that degrades
with distance over a transmission link.
•Signal barrier
•Transmission impairment
•Noise
•Detortion

11. 11-13.) give the three transmission
impairments
14.-15.) what are the two functions
of signal.
16.-18) enumerate the three context
of data communication.
18-20) give two examples of guided
media.

12. 21-25 DIFFERENTIATE ATTENUATION
AND DISTORTION.