Wireless Networking
Which of the choices listed below would allow for setting up three Wireless Access Points (WAPs) on non-overlapping channels?
-1 -6 -11
Which of the following answers refer to the IEEE 802.11b wireless standard? (Select 3 answers)
-2.4 GHz frequency range -Maximum data signaling rate of 11 Mbps -Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method
The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers)
-20 MHz -40 MHz
Frequency bands used by 802.11 networks include: (Select 2 answers)
-5.0 GHz -2.4 GHz
Which of the following answers refers(s) to the feature(s) of the IEEE 802.11ac (WiFi 5) wireless standard? (Select all that apply)
-5.0 GHz frequency band -Maximum data signaling rate of up to 6.933 Gbps -Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method -Multi-User Multiple Input / Multiple Output (MU-MIMO)
What are the characteristics of the IEEE 802.11ax (WiFi 6) wireless standard? (Select all that apply)
-5.0 GHz frequency band -Multi-User Multiple Input / Multiple Output (MU-MIMO) -2.4 GHz frequency band -Maximum data signaling rate of up to 9.607 Gbps -Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method
A wireless networking topology in which client devices communicate directly with each other without the use of a controlling Access Point (AP) is known as: (Select all that apply)
-Ad-hoc mode -IBSS -Peer-to-peer mode
Which of the following answers refer to the 2G/3G mobile telecommunications standards? (Select 2 answers)
-CDMA -GSM
Which of the following answers refer(s) to a wireless antenna type(s) used for point-to-point links? (Select all that apply)
-Dish antenna -Unidirectional antenna -Yagi antenna
Which of the answers listed below refer to the characteristic features of the IEEE 802.11a wireless standard? (Select 3 answers)
-Maximum data signaling rate of 54 Mbps -5.0 GHz frequency band -Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method
What are the characteristics of the IEEE 802.11g wireless standard? (Select 3 answers)
-Maximum data signaling rate of 54 Mbps -Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method -2.4 GHz frequency range
The characteristic features of the IEEE 802.11n (WiFi 4) wireless standard include: (Select all that apply)
-Multiple Input / Multiple Output (MIMO) -2.4 GHz frequency band -5.0 GHz frequency band -Maximum data signaling rate of up to 600 Mbps -Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method
What are the characteristic features of WPA/WPA2 Enterprise mode? (Select 2 answers)
-Suitable for large corporate networks -Requires RADIUS authentication server
The IEEE 802.11ac standard specifies a maximum channel bandwidth of up to:
160 MHz
Which of the following answers refers to the IEEE 802.11ax maximum channel bandwidth?
160 MHz
The IEEE 802.11a standard specifies a channel bandwidth of:
20 MHz
The IEEE 802.11g standard specifies a channel bandwidth of:
20 MHz
Which of the answers listed below refers to a channel bandwidth used in 802.11b networks?
22 MHz
Which of the following encryption schemes is used in WiFi Protected Access 2 (WPA2)?
AES-CCMP
Which of the following answers refers to the new feature introduced with the IEEE 802.11ac standard?
Multi-User MIMO (MU-MIMO)
Which of the following serves as a unique identifier for a WLAN (a wireless network name)?
SSID
The term "Channel bonding" refers to a technique that allows for combining adjacent wireless channels to increase the amount of available bandwidth.
True
Which of the following wireless encryption schemes offers the highest level of protection?
WPA2
Which of the following would be the best solution for securing a small network lacking an authentication server?
WPA2-PSK
Which of the following answers refers to a common antenna type used as a standard equipment on most Access Points (APs) for indoor Wireless Local Area Network (WLAN) deployments?
You have selected the correct answer. Omnidirectional antenna
The latest standard for mobile telecommunications is known as:
5G
Which of the cryptographic algorithms listed below is the least vulnerable to attacks?
AES
Which of the following answers refers to a wireless network using a single WAP?
BSS
A wireless network operating in an infrastructure mode with the use of more than one WAP is referred to as:
ESS
Which of the following wireless network types enables roaming?
ESS
Which wireless antenna type provides a 360-degree horizontal signal coverage?
Omnidirectional antenna
Which of the following acronyms refers to a client authentication method used in WPA2 Personal mode?
PSK
For a wireless client to be able to connect to a network, the security type (e.g. WEP, WPA or WPA2) and encryption type (e.g. TKIP or AES) settings on the connecting host must match the corresponding wireless security settings on a Wireless Access Point (WAP).
True
Long Term Evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE offers significant improvements in terms of speed when compared to the older generation of 3G cellular networks. LTE and its later revision LTE-Advanced (LTE-A) are often marketed as 4G standards.
True
Multiple Input / Multiple Output (MIMO) is a wireless technology that allows for significant increase in data throughput due to the use of multiple antennas and multiple data streams.
True
