Question 1

The following describe different aspects of the cell of the cellular wireless system EXCEPT:

Accepted Answer

A)  It is designed to provide both voice and data communications. 
B)  High radio frequency ranges such as UHF, SHF, and EHF are used for communications. 
C)  Each cell is allocated a certain number of frequency channels, which limits the number of users that can be served at once. 
D)  Although cells may be hexagonal, square, circular or other regular shapes, circular remains a popular design choice. 
E)  Adjacent cells use different frequency ranges to avoid interference and to allow frequency reuse 
A)  It is designed to provide both voice and data communications. 
B)  High radio frequency ranges such as UHF, SHF, and EHF are used for communications. 
C)  Each cell is allocated a certain number of frequency channels, which limits the number of users that can be served at once. 
D)  Although cells may be hexagonal, square, circular or other regular shapes, circular remains a popular design choice. 
E)  Adjacent cells use different frequency ranges to avoid interference and to allow frequency reuse D

Question 2

IEEE802.11 supports at least two different solutions to authenticate user stations: open authentication and _____ authentication.

Accepted Answer

A)  pre-shared key 
B)  closed key 
C)  public key 
D)  private key 
E)  dynamic key 
A)  pre-shared key 
B)  closed key 
C)  public key 
D)  private key 
E)  dynamic key A

Question 3

The relationship between a Wi-Fi access point and a host is in one of two states. They are:

Accepted Answer

A)  Authentication and control 
B)  Association and control 
C)  Authentication and transmission 
D)  Association and transmission 
E)  Authentication and association 
A)  Authentication and control 
B)  Association and control 
C)  Authentication and transmission 
D)  Association and transmission 
E)  Authentication and association E

Question 4

Which of the following is CORRECTLY paired?

Accepted Answer

A)  GSM -- digital, packet switching technology 
B)  UMTS -- digital, packet switching technology 
C)  CDMA2000 -- digital, circuit switching technology 
D)  LTE -- digital, circuit switching technology 
E)  AMPS -- digital, circuit switching technology 
A)  GSM -- digital, packet switching technology 
B)  UMTS -- digital, packet switching technology 
C)  CDMA2000 -- digital, circuit switching technology 
D)  LTE -- digital, circuit switching technology 
E)  AMPS -- digital, circuit switching technology

Question 5

The Wi-Fi standard takes advantage of ______ frames to conduct necessary functions.

Accepted Answer

A)  data, management, and security 
B)  data, management, and control 
C)  management, security, and control 
D)  routing, management, and security, 
E)  routing, management, and control 
A)  data, management, and security 
B)  data, management, and control 
C)  management, security, and control 
D)  routing, management, and security, 
E)  routing, management, and control

Question 6

The ISM bands represent:

Accepted Answer

A)  bands that are only for scientific and medical usage. 
B)  bands that belong to the microwave range. 
C)  bands that are controlled by FCC. 
D)  bands that do not need licensing. 
E)  bands that are exclusively used by IEEE 802.11. 
A)  bands that are only for scientific and medical usage. 
B)  bands that belong to the microwave range. 
C)  bands that are controlled by FCC. 
D)  bands that do not need licensing. 
E)  bands that are exclusively used by IEEE 802.11.

Question 7

Which of the following is considered as the most advanced multiple access technology considering its adoption by the latest generation of cellular service?

Accepted Answer

A)  FDMA (Frequency Division Multiple Access) 
B)  TDMA (Time Division Multiple Access) 
C)  CDMA (Code Division Multiple Access) 
D)  OFDMA (Orthogonal Frequency Division Multiple Access) 
E)  CDMA2000 (Code Division Multiple Access2000) 
A)  FDMA (Frequency Division Multiple Access) 
B)  TDMA (Time Division Multiple Access) 
C)  CDMA (Code Division Multiple Access) 
D)  OFDMA (Orthogonal Frequency Division Multiple Access) 
E)  CDMA2000 (Code Division Multiple Access2000)

Question 8

Which is CORRECT regarding IEEE 802.11 standards?

Accepted Answer

A)  All standards except 802.11n rely on the spread spectrum technology. 
B)  Frequency bands used by the standards are licensed by the government. 
C)  Open authentication means that a user selected password is used for the authentication of a host station. 
D)  The standards allow hands-off between basic service sets. 
E)  In order to transmit frames, a host should associate with an AP first and then authenticate itself to the AP. 
A)  All standards except 802.11n rely on the spread spectrum technology. 
B)  Frequency bands used by the standards are licensed by the government. 
C)  Open authentication means that a user selected password is used for the authentication of a host station. 
D)  The standards allow hands-off between basic service sets. 
E)  In order to transmit frames, a host should associate with an AP first and then authenticate itself to the AP.

Question 9

Which may NOT represent a "general" function of the wireless access point?

Accepted Answer

A)  Conversion (bridging) between Ethernet and Wi-Fi frames 
B)  IP address-based routing 
C)  Authentication of user stations/hosts 
D)  Media access control using RTS/CTS protocol 
E)  Data encryption to protect confidentiality 
A)  Conversion (bridging) between Ethernet and Wi-Fi frames 
B)  IP address-based routing 
C)  Authentication of user stations/hosts 
D)  Media access control using RTS/CTS protocol 
E)  Data encryption to protect confidentiality

Question 10

Choose a CORRECT statement of RTS/CTS.

Accepted Answer

A)  It is the primary media access control mechanism for Wi-Fi. 
B)  This protocol is activated when there are many nodes within a basic service set (BSS). 
C)  This protocol is activated when there are many BSS within an ESS (extended service set). 
D)  This protocol may be activated when a Wi-Fi LAN experiences frequent collisions. 
E)  RTS communication is initiated by the wireless access point. 
A)  It is the primary media access control mechanism for Wi-Fi. 
B)  This protocol is activated when there are many nodes within a basic service set (BSS). 
C)  This protocol is activated when there are many BSS within an ESS (extended service set). 
D)  This protocol may be activated when a Wi-Fi LAN experiences frequent collisions. 
E)  RTS communication is initiated by the wireless access point.

Question 11

Which is the LEAST likely function of the home network's wireless access router (AP)?

Accepted Answer

A)  Wireless access point 
B)  Router 
C)  Repeater 
D)  Network address translation 
E)  Ethernet switch 
A)  Wireless access point 
B)  Router 
C)  Repeater 
D)  Network address translation 
E)  Ethernet switch

Question 12

Below figure represents a Wi-Fi network in its __________ mode.

Accepted Answer

A)  ad hoc 
B)  and infrastructure 
C)  bridge 
D)  authentication 
E)  switch 
A)  ad hoc 
B)  and infrastructure 
C)  bridge 
D)  authentication 
E)  switch

Question 13

The table of this kind should be maintained by _______:
$$\begin{array} { | c | c | c | c | } 
\hline \text { Host name } & \text { IP address } & \text { MAC address } & \text { State } \
\hline \text { Shin09 } & 172.26 .10 .1 & 0203.23 \text { AB.D051 } & \text { Associated } \
\hline \text { Jmon } & 172.26 .10 .12 & 0203.23 \text { A3.D591 } & \text { Authenticated } \
\hline \text { Glan7 } & 172.26 .10 .14 & 0203.236 B . A 031 & \text { Associated } \
\hline
\end{array}$$

Accepted Answer

A)  routers 
B)  switches 
C)  wireless access points 
D)  client host computers (e.g., laptops and PCs) 
E)  server host computers 
A)  routers 
B)  switches 
C)  wireless access points 
D)  client host computers (e.g., laptops and PCs) 
E)  server host computers

Question 14

An 802.11g wireless AP is associated with eleven laptops. How many transmission channels can be used "at one point" for frame exchanges between a laptop and the AP?

Accepted Answer

A)  only 1 channel 
B)  2 channels, one for each direction 
C)  3 non-overlapping channels 
D)  all 11 channels 
E)  anywhere between 1 and 11 
A)  only 1 channel 
B)  2 channels, one for each direction 
C)  3 non-overlapping channels 
D)  all 11 channels 
E)  anywhere between 1 and 11

Question 15

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 Extended Service Sets do you see in the enterprise network?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  9 
A)  1 
B)  2 
C)  3 
D)  4 
E)  9

Question 16

Which Wi-Fi standard boasts the highest throughput?

Accepted Answer

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

Question 17

Which of the following differs from the others in its frame type?

Accepted Answer

A)  authentication frame 
B)  association frame 
C)  beacon frame 
D)  RTS/CTS frame 
E)  re-association frame 
A)  authentication frame 
B)  association frame 
C)  beacon frame 
D)  RTS/CTS frame 
E)  re-association frame

Question 18

Imagine a business network composed of an Ethernet switch, a router, and several access points as in the figure. In that setting, the LEAST popular configuration of the access point should be the ________ mode(s):

Accepted Answer

A)  ad hoc 
B)  infrastructure 
C)  repeater 
D)  bridge 
E)  all of the above are equally popular 
A)  ad hoc 
B)  infrastructure 
C)  repeater 
D)  bridge 
E)  all of the above are equally popular

Question 19

The following characterizes the wireless LAN's MIMO technology EXCEPT?

Accepted Answer

A)  It can support both single user and multi-user modes 
B)  The dual-band transmission that uses 2.4 and 5 GHz bands simultaneously is available. 
C)  Multiple data streams are created at once. 
D)  Neighboring channels can be bonded. 
E)  Frame acknowledgments are skipped. 
A)  It can support both single user and multi-user modes 
B)  The dual-band transmission that uses 2.4 and 5 GHz bands simultaneously is available. 
C)  Multiple data streams are created at once. 
D)  Neighboring channels can be bonded. 
E)  Frame acknowledgments are skipped.

Question 20

Which is a CORRECT statement regarding the 802.11n Wi-Fi standard?

Accepted Answer

A)  It uses a single-path propagation approach. 
B)  The 802.11n AP can use both 2.4Ghz and 5Ghz bands simultaneously. 
C)  The 802.11n AP can combine channel 1 and channel 11 to form a bigger transmission channel. 
D)  With 802.11n, all frames are treated equally with the same priority in delivery. 
E)  Its bandwidth is about the same as the 802.11g standard. 
A)  It uses a single-path propagation approach. 
B)  The 802.11n AP can use both 2.4Ghz and 5Ghz bands simultaneously. 
C)  The 802.11n AP can combine channel 1 and channel 11 to form a bigger transmission channel. 
D)  With 802.11n, all frames are treated equally with the same priority in delivery. 
E)  Its bandwidth is about the same as the 802.11g standard.

The following describe different aspects of the cell of the cellular wireless system EXCEPT:

IEEE802.11 supports at least two different solutions to authenticate user stations: open authentication and _____ authentication.

The relationship between a Wi-Fi access point and a host is in one of two states. They are:

Which of the following is CORRECTLY paired?

The Wi-Fi standard takes advantage of ______ frames to conduct necessary functions.

The ISM bands represent:

Which of the following is considered as the most advanced multiple access technology considering its adoption by the latest generation of cellular service?

Which is CORRECT regarding IEEE 802.11 standards?

Which may NOT represent a "general" function of the wireless access point?

Choose a CORRECT statement of RTS/CTS.

Which is the LEAST likely function of the home network's wireless access router (AP)?

Below figure represents a Wi-Fi network in its __________ mode.

The table of this kind should be maintained by _______: Host name IP address MAC address State Shin09 172.26.10.1 0203.23 AB.D051 Associated Jmon 172.26.10.12 0203.23 A3.D591 Authenticated Glan7 172.26.10.14 0203.236B.A031 Associated

An 802.11g wireless AP is associated with eleven laptops. How many transmission channels can be used "at one point" for frame exchanges between a laptop and the AP?

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 Extended Service Sets do you see in the enterprise network?

Which Wi-Fi standard boasts the highest throughput?

Which of the following differs from the others in its frame type?

Imagine a business network composed of an Ethernet switch, a router, and several access points as in the figure. In that setting, the LEAST popular configuration of the access point should be the ________ mode(s):

The following characterizes the wireless LAN's MIMO technology EXCEPT?

Which is a CORRECT statement regarding the 802.11n Wi-Fi standard?

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

The following describe different aspects of the cell of the cellular wireless system EXCEPT:

IEEE802.11 supports at least two different solutions to authenticate user stations: open authentication and _____ authentication.

The relationship between a Wi-Fi access point and a host is in one of two states. They are:

Which of the following is CORRECTLY paired?

The Wi-Fi standard takes advantage of ______ frames to conduct necessary functions.

The ISM bands represent:

Which of the following is considered as the most advanced multiple access technology considering its adoption by the latest generation of cellular service?

Which is CORRECT regarding IEEE 802.11 standards?

Which may NOT represent a "general" function of the wireless access point?

Choose a CORRECT statement of RTS/CTS.

Which is the LEAST likely function of the home network's wireless access router (AP)?

Below figure represents a Wi-Fi network in its __________ mode.

The table of this kind should be maintained by _______: Host name IP address MAC address State Shin09 172.26.10.1 0203.23 AB.D051 Associated Jmon 172.26.10.12 0203.23 A3.D591 Authenticated Glan7 172.26.10.14 0203.236B.A031 Associated

An 802.11g wireless AP is associated with eleven laptops. How many transmission channels can be used "at one point" for frame exchanges between a laptop and the AP?

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 Extended Service Sets do you see in the enterprise network?

Which Wi-Fi standard boasts the highest throughput?

Which of the following differs from the others in its frame type?

Imagine a business network composed of an Ethernet switch, a router, and several access points as in the figure. In that setting, the LEAST popular configuration of the access point should be the ________ mode(s):

The following characterizes the wireless LAN's MIMO technology EXCEPT?

Which is a CORRECT statement regarding the 802.11n Wi-Fi standard?

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