Practice Test 5

Question 1

Which frequency range does Bluetooth use?

Answer 1

2.4GHz

Question 2

What are the characteristic features of the IEEE 802.11a wireless standard?

Answer 2

Maximum data signaling rate of 54 Mbps, 5.0 GHz frequency band (More Degradation)

Question 3

What are the characteristic features of the IEEE 802.11b wireless standard?

Answer 3

Maximum data signaling rate of 11 Mbps, 2.4 GHz frequency range (Less Degradation)

Question 4

What are the characteristic features of the IEEE 802.11g wireless standard?

Answer 4

Maximum data signaling rate of 54 Mbps, 2.4 GHz frequency band (Less Degradation)

Question 5

What is ‘Multiple Input / Multiple Output’ (MIMO)?

Answer 5

MIMO is a wireless technology that allows for significant increase in wireless data throughput due to the use of multiple antennas and multiple data streams.

Question 6

What are the characteristic features of the IEEE 802.11n wireless standard?

Answer 6

Multiple Input / Multiple Output (MIMO), 2.4 GHz frequency band, 5.0 GHz frequency band, Maximum data signaling rate of up to 600 Mbps

Question 7

What are the characteristic features of the IEEE 802.11ac wireless standard?

Answer 7

(WiFi 5) 5.0 GHz frequency band, Maximum data signaling rate of up to 6.933 Gbps, Multi-User Multiple Input / Multiple Output (MU-MIMO)

Question 8

What are the characteristic features of the IEEE 802.11ax wireless standard?

Answer 8

(WiFi 6) 5.0 GHz frequency band, Multi-User Multiple Input / Multiple Output (MU-MIMO), 2.4 GHz frequency band, Maximum data signaling rate of up to 9.607 Gbps

Question 9

Which of the antenna types would be the least suitable for long-range point-to-point bridging links?

Answer 9

Omnidirectional antenna

Question 10

What are unlicensed wireless frequency bands?

Answer 10

Unlicensed frequency bands are low cost and easy to deploy but interference is common. Licensed frequency bands are reliable and offer better performance.

Question 11

What is a Yagi Antenna?

Answer 11

A Yagi Antenna is an old style Arial antenna that consists of 2 or more parallel squiggly metal rods

Question 12

What is a Dish Antenna?

Answer 12

A Dish Antenna is an old style TV antenna that is curved and solid in shape

Question 13

What is a Parabolic Antenna?

Answer 13

A Parabolic Antenna is just another way of describing a dish antenna

Question 14

Which wireless technology enables identification and tracking of tags attached to objects?

Answer 14

RFID

Question 15

What is RFID?

Answer 15

Radio-frequency identification (RFID), is a way for retailers to identify items using radio waves. (Aint-Theft tags)

Question 16

A type of identification badge that can be held within a certain distance of a reader to authenticate the badge holder is called?

Answer 16

RFID badge

Question 17

Which type of server is used for collecting diagnostic and monitoring data from networked devices?

Answer 17

A Syslog Server

Question 18

What does the ‘AAA’ in the AAA security architecture stand for?

Answer 18

Authentication, Authorization and Accounting

Question 19

What is the AAA security architecture?

Answer 19

It is a framework used to control and track access within a computer network.

Question 20

Which part of the AAA security architecture deals with the verification of the identity of a person or process?

Answer 20

Authentication

Question 21

Which part of the AAA security architecture refers to the process of granting or denying access to resources?

Answer 21

Authorization

Question 22

Which part of the AAA security architecture refers to the process of tracking accessed services as well as the amount of consumed resources?

Answer 22

Accounting