Chapter 6 Quiz

9 September 2022
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question
Select below the name for the special signal that contains information that a wireless node requires in order to associate itself with an access point:
answer
Beacon Frame
question
What 802.11 frame type is involved in association and reassociation, including probe and beacon frames?
answer
Management Frames
question
NFC tags are very expensive and cannot be purchased blank, requiring them to be pre-loaded. (T/F)
answer
False
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How many data streams are used in 802.11ac Wave 2 devices?​
answer
4 data streams
question
Which command below can be used on Linux to modify the SSID of the access point you choose to associate with?​
answer
iwconfig
question
​What signal propagation phenomena causes a wireless signal to split into secondary waves when it encounters an obstruction?
answer
Diffraction
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What is the maximum theoretical throughput of 802.11n?​
answer
600 Mbps
question
The WPS PIN is vulnerable to brute force attacks. (T/F)
answer
True
question
Which 802.11 frame type is related to medium access and data delivery, and includes ACK and RTS/CTS frames?​
answer
Control frames
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Which 802.11 wireless innovation allows for the use of multiple antennas on an access point that can issue a signal to one or more receivers?​
answer
MIMO
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What is the max theoretical throughput of the 802.11ac wireless technology when using Wave 1 devices?​
answer
1.3 Gbps
question
How does the 802.11 data frame indicate how a large packet should be fragmented?​
answer
​The sequence control field indicates how packets will be subdivided
question
Which 802.11 standard was the first to utilize the 5 GHz band?​
answer
​802.11a
question
Ideally, stations must remain within what range of an access point in order to maintain optimal transmission speeds?​
answer
300 feet
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In an 802.11 data frame, what is the size of the frame check sequence field?​
answer
​6 bytes (frame check sequence field)
question
What signal propagation phenomena causes the diffusion, or the reflection in multiple different directions, of a signal?​
answer
Scattering
question
Select below the band that is not one of the four frequency bands used in the 5 GHz range for wireless LANs:​
answer
5.9 GHz
question
Multipath signaling is a significant cause of fading. (T/F)
answer
True
question
All wireless signals are carried through the air by electromagnetic waves.
answer
True
question
Select below the network topology that is not a valid wireless network topology:​
answer
bus
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By default, the pathping command sends how many pings per hop?​
answer
100
question
​At what layer of the OSI model would a TCP or UDP header be added to a payload?
answer
Layer 4
question
Which type of multiplexing is defined by wavelength instead of frequency?​
answer
CWDM
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​Which method of transmission allows signals to travel in both directions over a medium but in only one direction at a time?
answer
Half-Duplex
question
What type of routing protocol enables routers to communicate beyond neighboring routers, allowing each router to create a map of an entire network?​
answer
Link State
question
Select the component of enterprise level structured cabling that serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling:
answer
Entrance Facility