Question 1

Which is INCORRECT in describing the nodes of a "corporate" network in the figure?

Accepted Answer

A)  The APs are operating in the infrastructure mode. 
B)  The APs should perform the bridge function to translate between Wi-Fi and Ethernet frames. 
C)  The APs are internet layer devices that rely on IP addresses to route packets. 
D)  The APs may authenticate host stations attempting to join the Wi-Fi network. 
E)  The APs utilize data encryption for secure communications with host stations. 
A)  The APs are operating in the infrastructure mode. 
B)  The APs should perform the bridge function to translate between Wi-Fi and Ethernet frames. 
C)  The APs are internet layer devices that rely on IP addresses to route packets. 
D)  The APs may authenticate host stations attempting to join the Wi-Fi network. 
E)  The APs utilize data encryption for secure communications with host stations.

Question 2

Which reflects a correct order of bandwidth from small to large?

Accepted Answer

A)  frequency spectrum, service channel, service band 
B)  service channel, service band, frequency spectrum 
C)  service band, frequency spectrum, service channel 
D)  service channel, frequency spectrum, service band 
E)  service band, service channel, frequency spectrum 
A)  frequency spectrum, service channel, service band 
B)  service channel, service band, frequency spectrum 
C)  service band, frequency spectrum, service channel 
D)  service channel, frequency spectrum, service band 
E)  service band, service channel, frequency spectrum

Question 3

Which is INACCURATE regarding the wireless access point(AP)?

Accepted Answer

A)  It is equipped with its own WNIC (wireless NI
C) . 
B)  One of its main responsibilities in the infrastructure mode is to provide connectivity between Ethernet and Wi-Fi LANs. 
C)  It performs the CTS part of the RTS/CTS protocol to prevent frame collisions. 
D)  It is able to connect different subnetworks. 
E)  All host stations attached to an AP belong to a single subnet. 
A)  It is equipped with its own WNIC (wireless NI
C) . 
B)  One of its main responsibilities in the infrastructure mode is to provide connectivity between Ethernet and Wi-Fi LANs. 
C)  It performs the CTS part of the RTS/CTS protocol to prevent frame collisions. 
D)  It is able to connect different subnetworks. 
E)  All host stations attached to an AP belong to a single subnet.

Question 4

Choose a CORRECT statement on Wi-Fi standards.

Accepted Answer

A)  The dominant Wi-Fi standards today are 802.16 standards. 
B)  The coverage of Wi-Fi standards is limited to about 10 meters. 
C)  Wi-Fi standards compete with Ethernet. 
D)  Wi-Fi standards share the same frequency range being used by FM radio stations. 
E)  The Wi-Mesh network relies on frame routing by mesh points. 
A)  The dominant Wi-Fi standards today are 802.16 standards. 
B)  The coverage of Wi-Fi standards is limited to about 10 meters. 
C)  Wi-Fi standards compete with Ethernet. 
D)  Wi-Fi standards share the same frequency range being used by FM radio stations. 
E)  The Wi-Mesh network relies on frame routing by mesh points.

Question 5

Which describes the IEEE 802.11 standard?

Accepted Answer

A)  At an enterprise network, the router translates Wi-Fi frames into Ethernet frames. 
B)  With IEEE802.11n, multiple client stations can exchange data with an AP concurrently. 
C)  The pre-shared key authentication uses SSID for authentication. 
D)  At a home network, the pre-shared key is derived from the password/passphrase. 
E)  The AP acts as a router in the infrastructure mode. 
A)  At an enterprise network, the router translates Wi-Fi frames into Ethernet frames. 
B)  With IEEE802.11n, multiple client stations can exchange data with an AP concurrently. 
C)  The pre-shared key authentication uses SSID for authentication. 
D)  At a home network, the pre-shared key is derived from the password/passphrase. 
E)  The AP acts as a router in the infrastructure mode.

Question 6

What is the fundamental difference between the ad hoc and infrastructure modes in setting up the Wi-Fi network?

Accepted Answer

A)  Use of one or more routers 
B)  Requirement of host authentication 
C)  Use of one or more access points 
D)  Requirement of host association 
E)  Requirement of using data encryptions 
A)  Use of one or more routers 
B)  Requirement of host authentication 
C)  Use of one or more access points 
D)  Requirement of host association 
E)  Requirement of using data encryptions

Question 7

What is the name of a particular Wi-Fi network?

Accepted Answer

A)  Service set identifier 
B)  Basic service set 
C)  Extended service set 
D)  Basic service set identifier 
E)  Extended service set identifier 
A)  Service set identifier 
B)  Basic service set 
C)  Extended service set 
D)  Basic service set identifier 
E)  Extended service set identifier

Question 8

Which information is LEAST likely included in the Wi-Fi access point's association table?

Accepted Answer

A)  Host names 
B)  Each host's default gateway address 
C)  Each host's MAC address 
D)  Each host's authentication status 
E)  Each host's association status 
A)  Host names 
B)  Each host's default gateway address 
C)  Each host's MAC address 
D)  Each host's authentication status 
E)  Each host's association status

Question 9

Which is INCORRECT about the 802.11ac Wi-Fi standard?

Accepted Answer

A)  802.11ac utilizes only the 5.0GHz band and do not support the 2.4GHz band. 
B)  802.11ac supports one channel speed of 160MHz for faster throughputs. 
C)  802.11ac-enabled APs can switch the channel size (e.g., 20, 40, 80MHz) dynamically on a frame-by-frame basis. 
D)  802.11ac supports only single-user MIMO. 
E)  802.11ac supports up to 4 different data streams. 
A)  802.11ac utilizes only the 5.0GHz band and do not support the 2.4GHz band. 
B)  802.11ac supports one channel speed of 160MHz for faster throughputs. 
C)  802.11ac-enabled APs can switch the channel size (e.g., 20, 40, 80MHz) dynamically on a frame-by-frame basis. 
D)  802.11ac supports only single-user MIMO. 
E)  802.11ac supports up to 4 different data streams.

Question 10

Which of the following is considered a 4G cellular standard?

Accepted Answer

A)  GSM (Global System for Mobile Communications) 
B)  UMTS (Universal Mobile Telecommunications Systems) 
C)  CDMA2000 (Code Division Multiple Access 2000) 
D)  LTE (Long-Term Evolution) 
E)  AMPS (Advanced Mobile Phone Service) 
A)  GSM (Global System for Mobile Communications) 
B)  UMTS (Universal Mobile Telecommunications Systems) 
C)  CDMA2000 (Code Division Multiple Access 2000) 
D)  LTE (Long-Term Evolution) 
E)  AMPS (Advanced Mobile Phone Service)

Question 11

The Wi-Fi network has two setup modes of:

Accepted Answer

A)  ad hoc and infrastructure 
B)  ad hoc and peer-to-peer 
C)  bridge and ad hoc 
D)  bridge and infrastructure 
E)  ad hoc and non ad-hoc 
A)  ad hoc and infrastructure 
B)  ad hoc and peer-to-peer 
C)  bridge and ad hoc 
D)  bridge and infrastructure 
E)  ad hoc and non ad-hoc

Question 12

What is the maximum channel capacity of 802.11n that can be achieved with the channel bonding technology?

Accepted Answer

A)  40MHz 
B)  20MHz 
C)  30MHz 
D)  80MHz 
E)  60MHz 
A)  40MHz 
B)  20MHz 
C)  30MHz 
D)  80MHz 
E)  60MHz

Question 13

Which is NOT a Wi-Fi-related term?

Accepted Answer

A)  Service set identifier 
B)  Basic service set 
C)  Extended service set 
D)  Basic service set identifier 
E)  Global service set 
A)  Service set identifier 
B)  Basic service set 
C)  Extended service set 
D)  Basic service set identifier 
E)  Global service set

Question 14

Which is INCORRECT regarding the Wi-Mesh network?

Accepted Answer

A)  Wi-Mesh competes with WiMax, a fixed broadband wireless access standard. 
B)  Wi-Mesh requires physical wiring of every mesh point for a faster frame routing. 
C)  An IEEE standard for Wi-Mesh networking has been announced. 
D)  It is a good choice when an area lacks wired infrastructure. 
E)  Wi-Mesh runs on the Wi-Fi standard, but can cover a territory larger than the Wi-Fi LAN. 
A)  Wi-Mesh competes with WiMax, a fixed broadband wireless access standard. 
B)  Wi-Mesh requires physical wiring of every mesh point for a faster frame routing. 
C)  An IEEE standard for Wi-Mesh networking has been announced. 
D)  It is a good choice when an area lacks wired infrastructure. 
E)  Wi-Mesh runs on the Wi-Fi standard, but can cover a territory larger than the Wi-Fi LAN.

Question 15

The technologies of concurrent dual-band transmissions and non-concurrent dual-band transmissions are available with _______ Wi-Fi standard.

Accepted Answer

A)  802.11b 
B)  802.11a 
C)  802.11g 
D)  802.11n 
E)  802.11ac 
A)  802.11b 
B)  802.11a 
C)  802.11g 
D)  802.11n 
E)  802.11ac

Question 16

The following figure is a hypothetical corporate network with several APs. It indicates that at least one laptop computer is associated with each AP. Answer below question based on the figure.
  
-How many Basic Service Sets do you see in the enterprise network?

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
E)  9 
A)  4 
B)  5 
C)  6 
D)  7 
E)  9

Question 17

Which Wi-Fi standard offers MIMO capability for a single user (single user MIMO)?

Accepted Answer

A)  802.11b 
B)  802.11a 
C)  802.11g 
D)  802.11n 
E)  All of the above 
A)  802.11b 
B)  802.11a 
C)  802.11g 
D)  802.11n 
E)  All of the above

Question 18

Sometimes, the ____ is all it takes for a host station to join a Wi-Fi network.

Accepted Answer

A)  digital certificate 
B)  public key 
C)  digital signature 
D)  service set identifier 
E)  beacon 
A)  digital certificate 
B)  public key 
C)  digital signature 
D)  service set identifier 
E)  beacon

Question 19

The media access control layer of IEEE802.11 conducts the following functions EXCEPT

Accepted Answer

A)  Maintains communication reliability using acknowledgements. 
B)  Controls access (transmission) to the shared radio channel. 
C)  Protects frames with encryption. 
D)  Authenticates client stations. 
E)  Chooses a transmission channel randomly. 
A)  Maintains communication reliability using acknowledgements. 
B)  Controls access (transmission) to the shared radio channel. 
C)  Protects frames with encryption. 
D)  Authenticates client stations. 
E)  Chooses a transmission channel randomly.

Question 20

The 802.11n Wi-Fi product may come with the concurrent dual-band transmissions. Which is correct about the technology?

Accepted Answer

A)  Two 2.4GHz frequency channels can be used concurrently to transmit data. 
B)  Two 2.4GHz and 5.0GHz frequency channels can be used concurrently to transmit data. 
C)  Two 5.0GHz frequency channels can be used concurrently to transmit data. 
D)  Within a Basic Service Set, two clients are allowed to exchange data with the AP through the same frequency channel. 
E)  Within a Basic Service Set, two clients are allowed to concurrently exchange data with the AP through two different channels of a frequency band (either 2.4 or 5GHz band). 
A)  Two 2.4GHz frequency channels can be used concurrently to transmit data. 
B)  Two 2.4GHz and 5.0GHz frequency channels can be used concurrently to transmit data. 
C)  Two 5.0GHz frequency channels can be used concurrently to transmit data. 
D)  Within a Basic Service Set, two clients are allowed to exchange data with the AP through the same frequency channel. 
E)  Within a Basic Service Set, two clients are allowed to concurrently exchange data with the AP through two different channels of a frequency band (either 2.4 or 5GHz band).

Which is INCORRECT in describing the nodes of a "corporate" network in the figure?

Which reflects a correct order of bandwidth from small to large?

Which is INACCURATE regarding the wireless access point(AP)?

Choose a CORRECT statement on Wi-Fi standards.

Which describes the IEEE 802.11 standard?

What is the fundamental difference between the ad hoc and infrastructure modes in setting up the Wi-Fi network?

What is the name of a particular Wi-Fi network?

Which information is LEAST likely included in the Wi-Fi access point's association table?

Which is INCORRECT about the 802.11ac Wi-Fi standard?

Which of the following is considered a 4G cellular standard?

The Wi-Fi network has two setup modes of:

What is the maximum channel capacity of 802.11n that can be achieved with the channel bonding technology?

Which is NOT a Wi-Fi-related term?

Which is INCORRECT regarding the Wi-Mesh network?

The technologies of concurrent dual-band transmissions and non-concurrent dual-band transmissions are available with _______ Wi-Fi standard.

The following figure is a hypothetical corporate network with several APs. It indicates that at least one laptop computer is associated with each AP. Answer below question based on the figure. -How many Basic Service Sets do you see in the enterprise network?

Which Wi-Fi standard offers MIMO capability for a single user (single user MIMO)?

Sometimes, the ____ is all it takes for a host station to join a Wi-Fi network.

The media access control layer of IEEE802.11 conducts the following functions EXCEPT

The 802.11n Wi-Fi product may come with the concurrent dual-band transmissions. Which is correct about the technology?

Networking: Fundamental Concepts

Cybersecurity: Fundamentals

Essential Layers of Computer Networking

Ip Address Planning and Management

Intermediary Devices

Ethernet Lan

Cybersecurity: Threats

Cybersecurity: Network and Host Protection

Cybersecurity: Data Protection

Fundamentals of Packet Routing

Wide Area Network

Physical Layer Data Transmissions

Enterprise Network: LAN Topology, Routing, and Connectivity

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Exam 6: Wi-Fi and Cellular Network

Which is INCORRECT in describing the nodes of a "corporate" network in the figure?

Which reflects a correct order of bandwidth from small to large?

Which is INACCURATE regarding the wireless access point(AP)?

Choose a CORRECT statement on Wi-Fi standards.

Which describes the IEEE 802.11 standard?

What is the fundamental difference between the ad hoc and infrastructure modes in setting up the Wi-Fi network?

What is the name of a particular Wi-Fi network?

Which information is LEAST likely included in the Wi-Fi access point's association table?

Which is INCORRECT about the 802.11ac Wi-Fi standard?

Which of the following is considered a 4G cellular standard?

The Wi-Fi network has two setup modes of:

What is the maximum channel capacity of 802.11n that can be achieved with the channel bonding technology?

Which is NOT a Wi-Fi-related term?

Which is INCORRECT regarding the Wi-Mesh network?

The technologies of concurrent dual-band transmissions and non-concurrent dual-band transmissions are available with _______ Wi-Fi standard.

The following figure is a hypothetical corporate network with several APs. It indicates that at least one laptop computer is associated with each AP. Answer below question based on the figure. -How many Basic Service Sets do you see in the enterprise network?

Which Wi-Fi standard offers MIMO capability for a single user (single user MIMO)?

Sometimes, the ____ is all it takes for a host station to join a Wi-Fi network.

The media access control layer of IEEE802.11 conducts the following functions EXCEPT

The 802.11n Wi-Fi product may come with the concurrent dual-band transmissions. Which is correct about the technology?

Networking: Fundamental Concepts

Cybersecurity: Fundamentals

Essential Layers of Computer Networking

Ip Address Planning and Management

Intermediary Devices

Ethernet Lan

Cybersecurity: Threats

Cybersecurity: Network and Host Protection

Cybersecurity: Data Protection

Fundamentals of Packet Routing

Wide Area Network

Physical Layer Data Transmissions

Enterprise Network: LAN Topology, Routing, and Connectivity

Filters