Wireless Networking - CompTIA Network+ N10-009 - 1.5 Flashcards
who manages wireless standards
IEEE
what is the standard for wifi
801.11
802.11b
2.4HGz
What does 802.11 refer to?
802.11 refers to a set of standards for wireless local area networks (WLANs).
True or False: 802.11 standards are solely focused on wireless security.
False
Fill in the blank: The first version of 802.11 was released in _____ .
1997
Which 802.11 standard introduced MIMO technology?
802.11n
What is the maximum data rate of 802.11ac?
Up to 3.5 Gbps
Multiple Choice: Which of the following is an enhancement of the 802.11ax standard? A) Increased range B) Improved energy efficiency C) Higher data throughput D) All of the above
D) All of the above
What frequency bands are primarily used by 802.11 standards?
2.4 GHz and 5 GHz
True or False: 802.11b operates only in the 5 GHz band.
False
What is the primary purpose of the 802.11i standard?
To enhance security in wireless networks.
Fill in the blank: The 802.11ax standard is also known as _____ .
Wi-Fi 6
What does IEEE 802.11 refer to?
A set of standards for wireless local area networks (WLANs).
True or False: IEEE 802.11 standards only apply to 2.4 GHz frequencies.
False.
What frequency bands are specified in IEEE 802.11 standards?
2.4 GHz, 5 GHz, and 6 GHz.
Fill in the blank: The maximum theoretical link rate for 802.11ac is _____ Mbps.
1300.
What is the purpose of testing link rate in IEEE 802.11?
To determine the performance and data throughput capabilities of the wireless network.
Which IEEE 802.11 standard introduced MIMO technology?
802.11n.
What does MIMO stand for?
Multiple Input Multiple Output.
True or False: 802.11ax is also known as Wi-Fi 6.
True.
What is the maximum link rate of 802.11ax?
Up to 9608 Mbps.
Which frequency band does 802.11ax utilize?
2.4 GHz and 5 GHz.
What does OFDMA stand for in the context of 802.11ax?
Orthogonal Frequency Division Multiple Access.
Fill in the blank: The 802.11b standard was released in _____ year.
1999.
What is the primary advantage of using the 5 GHz band in 802.11 standards?
Less interference and higher data rates.
Which standard uses the 60 GHz band?
802.11ad.
True or False: 802.11g operates only at 5 GHz.
False.
What data rate does 802.11n support?
Up to 600 Mbps.
What is the significance of channel bonding in 802.11 standards?
It allows for wider channels and higher data rates.
Fill in the blank: The maximum link rate for 802.11a is _____ Mbps.
54.
Which IEEE 802.11 standard is known for supporting QoS (Quality of Service)?
802.11e.
What does the term ‘link rate’ refer to?
The maximum speed at which data can be transmitted over a wireless link.
True or False: The 802.11 standards are solely developed by IEEE.
False.
What is the primary function of the 802.11 management frames?
To manage the connection between devices and the network.
Fill in the blank: The 802.11n standard introduced the concept of _____ for improved performance.
MIMO.
What feature does 802.11ac offer to improve data rates?
Beamforming.
Which standard includes support for MU-MIMO?
802.11ac.
What is the significance of the 2.4 GHz frequency band?
It has a longer range but is more prone to interference.
802.11g
2.4 GHz
801.11n
Wi-Fi 4, 2.4 GHz 5 GHz
801.11 ac
Wi-Fi 5 5 GHz
802.11 a b g
WIFI 1 2 and 3. Rarely used today
802.11 ac
wifi 5 5GHz
802.11 ax
wifi 6 | 2.4GHz / 5GHz / 6 GHz
what is LTE
long term evolution “4g” 150mbps
5G
eventually 10 gbps. VERY FAST
Satellite
100 mbps down 5 mbps 5. high latency
downside of satullte
line of site required.
