Practice Test 5 Flashcards
Which frequency range does Bluetooth use?
2.4GHz
What are the characteristic features of the IEEE 802.11a wireless standard?
Maximum data signaling rate of 54 Mbps, 5.0 GHz frequency band (More Degradation)
What are the characteristic features of the IEEE 802.11b wireless standard?
Maximum data signaling rate of 11 Mbps, 2.4 GHz frequency range (Less Degradation)
What are the characteristic features of the IEEE 802.11g wireless standard?
Maximum data signaling rate of 54 Mbps, 2.4 GHz frequency band (Less Degradation)
What is ‘Multiple Input / Multiple Output’ (MIMO)?
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.
What are the characteristic features of the IEEE 802.11n wireless standard?
Multiple Input / Multiple Output (MIMO), 2.4 GHz frequency band, 5.0 GHz frequency band, Maximum data signaling rate of up to 600 Mbps
What are the characteristic features of the IEEE 802.11ac wireless standard?
(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)
What are the characteristic features of the IEEE 802.11ax wireless standard?
(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
Which of the antenna types would be the least suitable for long-range point-to-point bridging links?
Omnidirectional antenna
What are unlicensed wireless frequency bands?
Unlicensed frequency bands are low cost and easy to deploy but interference is common. Licensed frequency bands are reliable and offer better performance.
What is a Yagi Antenna?
A Yagi Antenna is an old style Arial antenna that consists of 2 or more parallel squiggly metal rods
What is a Dish Antenna?
A Dish Antenna is an old style TV antenna that is curved and solid in shape
What is a Parabolic Antenna?
A Parabolic Antenna is just another way of describing a dish antenna
Which wireless technology enables identification and tracking of tags attached to objects?
RFID
What is RFID?
Radio-frequency identification (RFID), is a way for retailers to identify items using radio waves. (Aint-Theft tags)
A type of identification badge that can be held within a certain distance of a reader to authenticate the badge holder is called?
RFID badge
Which type of server is used for collecting diagnostic and monitoring data from networked devices?
A Syslog Server
What does the ‘AAA’ in the AAA security architecture stand for?
Authentication, Authorization and Accounting
What is the AAA security architecture?
It is a framework used to control and track access within a computer network.
Which part of the AAA security architecture deals with the verification of the identity of a person or process?
Authentication
Which part of the AAA security architecture refers to the process of granting or denying access to resources?
Authorization
Which part of the AAA security architecture refers to the process of tracking accessed services as well as the amount of consumed resources?
Accounting
