Radio Frequency Principles

Question 1

Name the type of antenna that can receive a signal from many angles.

Answer 1

Omni-directional

Question 2

Name the type of antenna that can receive a signal from one specific direction.

Answer 2

Semi-directional

Question 3

Name the type of antenna that can receive a signal from two specific directions.

Answer 3

Bi-directional

Question 4

What does WPAN stand for?

Answer 4

Wireless personal area network

Question 5

What band does Bluetooth operate in?

Answer 5

2400-2480 Mhz

Question 6

How many hops can happen in Bluetooth per second?

Answer 6

1600

Question 7

How fast is version 1 of Bluetooth?

Answer 7

700kbps

Question 8

How fast is version 2 of Bluetooth?

Answer 8

3Mbps

Question 9

How fast is version 3 of Bluetooth?

Answer 9

24Mbps

Question 10

How fast is version 4 of Bluetooth?

Answer 10

24Mbps

Question 11

Which version of Bluetooth is the most secure?

Answer 11

Version 4

Question 12

Which version of Bluetooth is the least secure?

Answer 12

Version 1

Question 13

What speed does WiFi 802.11b operate at?

Answer 13

11Mbps

Question 14

What speed does WiFi 802.11g operate at?

Answer 14

54Mbps

Question 15

What speed does WiFi 802.11ac operate at?

Answer 15

1.3Gbps

Question 16

What are the 4 current security types for WiFi?

Answer 16

Open, WEP, WPA and WPA2

Question 17

What does SSID stand for?

Answer 17

Service Set Identifier