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Information Technology /Cyber-Security: Wireless Networking

Cyber-Security: Wireless Networking

Information Technology11 CardsCreated about 2 months ago

This deck covers key concepts and questions related to wireless networking and cyber-security, focusing on WLAN controllers, QoS mechanisms, and media access methods.

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What information that comes from the wired network is used to assign traffic into access categories on a WLAN controller?

802.1D priority tags
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Key Terms

Term
Definition
What information that comes from the wired network is used to assign traffic into access categories on a WLAN controller?
802.1D priority tags
ACK and CTS-to-self frames follow which interframe space?
SIFS
What QoS mechanism can be used to reduce medium contention overhead during a frame burst of low-latency traffic?
Immediate Block ACK
Hybrid Coordination Function (HCF) defines what allotted period of time in which a station can transmit multiple frames?
TXOP
After the station has performed the carrier sense and determined that no other devices are transmitting for a period of a DIFs interval, what is the next step for the station?
Select a random backoff value.
The EDCA medium access method provides for the priortization of traffic via priority queues that are matched to eight 802.1D priority tags. What are the EDCA priority queues called?
Access categories
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Cyber-Security: Wireless Networking
TermDefinition
What information that comes from the wired network is used to assign traffic into access categories on a WLAN controller?
802.1D priority tags
ACK and CTS-to-self frames follow which interframe space?
SIFS
What QoS mechanism can be used to reduce medium contention overhead during a frame burst of low-latency traffic?
Immediate Block ACK
Hybrid Coordination Function (HCF) defines what allotted period of time in which a station can transmit multiple frames?
TXOP
After the station has performed the carrier sense and determined that no other devices are transmitting for a period of a DIFs interval, what is the next step for the station?
Select a random backoff value.
The EDCA medium access method provides for the priortization of traffic via priority queues that are matched to eight 802.1D priority tags. What are the EDCA priority queues called?
Access categories
The goal of allocating equal time as opposed to equal opportunity is known as what?
Airtime Fairness
ACKs are required for which of the following frames?
Unicast
What field in the MAC header of an 802.11 frame resets the NAV timer for all listening 802.11 stations?
Duration/ID
The Wi-Fi Alliance certification called Wi-Fi Multimedia (WMM) is based on which media access method defined by the 802.11-2012 standard?
EDCA
80211 collision detection is handled using which technology?
Positive collision detection cannot be determined