Multiple Choice Questions

An 802.11 frame type that is responsible for carrying data between stations. Two other frame types include management frames, which are involved in association and reassociation, and control frames, which are related to medium access and data delivery.​
  • diffraction
  • data frame
  • half-duplex
  • beacon frame
Select below the band that is not one of the four frequency bands used in the 5 GHz range for wireless LANs:​
  • 600 Mbps
  • bus
  • 5.9
  • 4
What two terms below describe a wireless network topology in which access points work as peer devices on the same network?​
  • mesh WLAN, wireless mesh network (WMN)
  • management frames
  • 5 GHz and 2.4 GHz
  • bluejacking and bluesnarfing
​At what layer of the OSI model do the 802.11 standards vary?
  • active scanning
  • 5 GHz and 2.4 GHz
  • management frames
  • Physical layer
Which 802.11 standard was the first to utilize the 5 GHz band?​
  • management frames
  • 802.11ac
  • MIMO
  • 802.11a
What is the max theoretical throughput of the 802.11ac wireless technology when using Wave 1 devices?​
  • 802.11ac
  • 300 feet
  • control frames
  • 1.3 Gbps
The act of driving around an area while running a laptop configured to detect and capture wireless data transmissions.​
  • WPS attack
  • war driving
  • basic service set
  • bluesnarfing
All 802.11 standards use ______________ signaling, meaning a wireless station can only transmit or receive, but cannot do both simultaneously.​
  • data frame
  • half-duplex
  • control frames
  • 802.11ac
The wireless spectrum, as defined by the FCC, spans frequencies between which two options below?​
  • signal-to-noise ratio
  • 5 GHz and 2.4 GHz
  • True
  • 300 GHz and 9 KHz
What two options below are two different types of attacks against Bluetooth connections that can be used to send unsolicited data, or download data without permission?​
  • mesh WLAN, wireless mesh network (WMN)
  • bluejacking and bluesnarfing
  • beacon frame
  • unidirectional antenna
The use of chalk to draw symbols on a sidewalk or wall within range of an access point. The symbols, patterned after marks that hobos devised to indicate hospitable places for food or rest, indicate the access point's SSID and whether it's secured.​
  • WPS attack
  • war driving
  • bluesnarfing
  • war chalking
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?​
  • MIMO
  • control frames
  • 802.11a
  • management frames
In the context of wireless signal propagation, the phenomenon that occurs when an electromagnetic wave encounters an obstruction and splits into secondary waves. The secondary waves continue to propagate in the direction in which they were split.
  • diffraction
  • active scanning
  • omnidirectional antenna
  • unidirectional antenna
_________________ is an outdated wireless technology that has been mostly replaced by Bluetooth to connect personal devices.​
  • infrared
  • 802.11ac
  • 300 feet
  • NFC
​A method used by wireless stations to detect the presence of an access point. Using this method, the station issues a probe to each channel in its frequency range and waits for the access point to respond.
  • scattering
  • omnidirectional antenna
  • active scanning
  • diffraction
Ideally, stations must remain within what range of an access point in order to maintain optimal transmission speeds?​
  • infrared
  • 802.11ac
  • 300 feet
  • 1.3 Gbps
The WPS PIN is vulnerable to brute force attacks.​ (T/F)
  • True
  • False
​A security exploit in which a WPS PIN is discovered by means of a brute force attack, giving the attacker access to the network's WPA2 key. The PIN feature in WPS should be disabled if possible.
  • war driving
  • WPS attack
  • bluesnarfing
  • war chalking
Which 802.11 technology is the first Wi-Fi standard to approach gigabit Ethernet capabilities, and operates on the 5 GHz band?​
  • control frames
  • half-duplex
  • 802.11a
  • 802.11ac
An attack in which a Bluetooth connection is used to download data from a device without the owner's permission.​
  • WPS attack
  • scattering
  • war chalking
  • bluesnarfing
A type of antenna that issues and receives wireless signals with equal strength and clarity in all directions. This type of antenna is used when many different receivers must be able to pick up the signal, or when the receiver's location is highly mobile.​
  • bluejacking and bluesnarfing
  • unidirectional antenna
  • omnidirectional antenna
  • active scanning
In IEEE terminology, a group of stations that share an access point are said to be part of what option below?
  • scattering
  • management frames
  • basic service set
  • control frames
What is the maximum theoretical throughput of 802.11n?​
  • 4
  • 1.3 Gbps
  • 5.9
  • 600 Mbps
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:
  • control frames
  • data frame
  • beacon frame
  • half-duplex
What signal propagation phenomena causes the diffusion, or the reflection in multiple different directions, of a signal?​
  • scattering
  • control frames
  • management frames
  • 300 feet
How many address fields exist in an 802.11 frame?​
  • 5 GHz and 2.4 GHz
  • True
  • 5.9
  • 4
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Multiple Choice Questions
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