FACULTY OF
COMPUTER SCIENCE &
ENGINEERING
Chapter 06: Antennas and
Accessories
QUESTION 1

1. When purchasing RF connectors, which of the
following should be considered when making your
decision? Choose all that apply.

A. Impedance

B. Insertion loss

C. Gain

D. Maximum frequency allowed
QUESTION 2

2. You have been hired as a consultant to install
a wireless LAN that will connect only two
buildings that are 1.5 miles apart at 11 Mbps.
Which one of the following antennas would you
use?

A. Omni-directional

B. High-gain Dipole

C. High-gain Yagi

D. Parabolic dish
QUESTION 3

3. You have been hired as a consultant to install
a wireless LAN that will connect two buildings
that are 10 miles apart. In this particular area,
wind gusts are a problem. Which one of the
following antennas would you use?

A. High-gain Grid

B. High-gain Dipole

C. High-gain Yagi

D. Parabolic dish
QUESTION 4

4. The RF signal amplitude loss that occurs
because of the natural broadening of the RF wave
front is referred to as which one of the following?

A. Fresnel zone loss

B. Coverage area loss

C. Radiation pattern loss

D. Free space path loss
QUESTION 5

5. Which of the following are true about PoE devices
from different manufacturers? Choose all that apply.

A. They always use the same unused pairs for sending
current

B. They are guaranteed to interoperate with devices from
other vendors

C. They use the same output voltage

D. They may cause damage to devices from other vendors
QUESTION 6

6. An antenna’s beamwidth refers to which one of
the following?

A. The width of the RF signal beam that the antenna
transmits

B. The width of the antenna main element

C. The width of the mounting beam on which the
antenna is mounted

D. The width of the beam of the RF signal relative to
the Earth's surface
QUESTION 7

7. Which of the following are names of semidirectional antenna types? Choose all that apply.

A. Yagi

B. Omni

C. Patch

D. Panel

E. Point-to-point
QUESTION 8

8. The coverage area of a Yagi antenna is ONLY
in the direction that the antenna is pointing. This
statement is:

A. Always true

B. Always false

C. Sometimes true, depending on the antenna
manufacturer

D. Depends on how the antenna itself is installed
QUESTION 9

9. What is the unit of measurement for gain as
related to an RF antenna?

A. Decibels

B. Watts

C. dBi

D. dBm

E. dB
QUESTION 10

10. Polarization is defined as which one of the
following?

A. The direction of the RF antenna in relation to the north
and south poles

B. The magnetic force behind the antenna element

C. The power sources of an antenna that cause the antenna
to transmit signal in more than one direction

D. The physical orientation of the antenna in a horizontal
or vertical position