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Chapter 3 Telecom

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Multiplexing in communication is a technique of sharing the bandwidth of ______ link(s) between ______ users/sources over the same transmission medium.

a)

multiple , one

b)

two , multiple

c)

multiple , multiple

d)

one , multiple

2.

Multiplexing is important in combining various types of information signal (analog or digital) or originate form different sources. The combination signal is called ______.

a)

combination resources

b)

communication resources

c)

multiple resources

d)

various resouces

3.

There are 3 types of multiplexing, namely _______, ______, and ______.

a)

TDM , WDM , FDM

b)

BDM , TDM , FDM

c)

TDM , ADM , FDM

d)

FDM , PDM , TDM

4.

The interference in FDM is normally due to the _________ and _________.

a)

perfect band pass filtering, linear cross modulation.

b)

perfect band pass filtering, non-linear cross modulation.

c)

imperfect band pass filtering, non-linear cross modulation.

d)

None of the answer above.

5.

In TDM, the modulation comes before multiplexing.

a)

Yes.

b)

No.

6.

WDM is an analog multiplexing technique to combine optical signals.

a)

Yes.

b)

No.

7.

Choose the correct connector for the following image.

a)

RJ-45 connector

b)

SMA connector plug

c)

MT-RJ connector

d)

BNC connector

8.

Identify the type of waveguide as shown in the image.

a)

Ridged waveguide.

b)

Elliptical waveguide.

c)

Circular waveguide.

d)

Rectangular waveguide.

9.

There are 3 types of fiber optic in, which are ______, ______, and ______.

a)

Single mode

b)

Multimode step index.

c)

Multimode graded index.

d)

Multiple mode.

10.

Choose the correct answer that categorized in wireless transmission.

a)

Infrared.

b)

Microwave

c)

Radio wave

d)

All the answers above.