CompTIA A+: Wireless Networking Quiz

Which of the following channel options would allow three Wireless Access Points (WAPs) to be set up on non-overlapping channels?

- 1 - 6 - 11

Which of the following frequency bands can be used by IEEE 802.11 networks? Select all that apply.

- 2.4 GHz - 5.0 GHz

The IEEE 802.11n standard specifies available channel bandwidth options of? Select 2 answers.

- 20 MHz - 40 MHz

Which of the following describes the IEEE 802.11ac channel bandwidth option(s)?

- 20 MHz - 40 MHz - 80 MHz - 160 MHz

Which of the following answers describe features of the IEEE 802.11ac wireless standard?

- 5.0 GHz frequency band - maximum data signaling rate of up to 6.77 Gbps - multi-user multiple input / multiple output (MU-MIMO)

The IEEE 802.11n standard offers backward compatibility with? Select all that apply.

- 802.11g - 802.11b - 802.11a

What are characteristic features of satellite internet connections? Select 3 answers.

- high signal latency - interference (weather dependent) - relatively high cost in comparison to terrestrial lnks

Which of the following are ways of creating a wireless/cellular data network by using a mobile device? Select 3 answers.

- hotspot - bluetooth - tethering

What are the characteristic features of the IEEE 802.11b wireless standard? Select 2 answers.

- maximum data signaling rate of 11 Mbps - 2.4 GHz frequency range

Which of the following answers apply to the IEEE 802.11g wireless standard? Select 2 answers.

- maximum data signaling rate of 54 Mbps - 2.4 GHz frequency range

Which of the following answers apply to IEEE 802.11a wireless standard? Select 2 answers.

- maximum data signaling rate of 54 Mbps - 5.0 GHz frequency band

Which of the following are characteristic features of the IEEE 802.11n wireless standard? 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

What are the characteristic features of a WPA/WPA 2 Enterprise mode? Select 2 answers.

- suitable for large corporate networks - requires RADIUS authentication server

Which of the following refer to IoT technologies dseigned to permit communication between appliances in a home automation network? Select 2 answers. (IoT: internet of things)

- z-wave - zigbee

What is the channel bandwidth specified in IEEE 802.11a standard?

20 MHz

Which of the following channel bandwidths is specified in the IEEE 802.11 standard?

20 MHz

Which of the following is a channel bandwidth used in 802.11b networks?

22 MHz

The IEEE 802.11g standard is backwards compatible with?

802.11b

Which of the following IEEE standards provides the basis for implementing most modern WLANs?

IEEE 802.11

Which of the following is a short distance, line-of-sight technology used in products such as home remote controls?

IR (infrared wireless)

Which of the following is a security feature used in Bluetooth device pairing?

PIN code

Which of the following wireless technologies enables identification and tracking of tags attached to objects?

RFID (radio frequency identification)

Which of the following wireless security protocols has been discouraged in favor of newer standards due to the vulnerabilities resulting from implementation flaws?

WEP (Wired Equivalent Privacy)

Which wireless network type has a design that uses mesh topology?

WMN (wireless mesh network)

Which of the following is the best method to secure a small networking lacing an authentication server?

WPA2-PSK (Wireless Fidelity Protected Access 2 - Pre-Shared Key)

Which of the following WAN technologies uses cell towers that provide wireless signal coverage for mobile devices?

WWAN (wireless WAN or wireless wide area network)

A wireless network Access Point (AP) or site offering public wireless internet access is commonly called a?

hotspot

Which of the following best describes the disabling of an SSID broadcast? (SSID: service set identifier - layman terms: name for Wi-Fi network.)

it makes a WLAN harder to discover (WLAN: Wireless LAN or Wireless Local Area Network)

The process of establishing a connection between Bluetooth devices (e.g. between a Bluetooth enabled headset and a Bluetooth-enabled phone) is known as?

pairing

Which of the following refers to the capability of a mobile device to share its Internet connection with other devices?

tethering

Long term-evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE is much faster than the older generation of 2G and 3G cellular networks. Both LTE and its later upgrade, LTE-Advanced (LTE-A), are often marketed as 4G standards. True or false?

true

Multiple Input / MultipleOutput (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 or false?

true

Setting up a wireless network to operate a non-overlapping channel allows multiple networks to coexist in the same area without causing interference. True or false?

true

The term "Airplane mode" refers to a device function that allows a user to disable wireless transmission capability. True or false?

true

The term "channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth. True or false?

true

Wi-fi Protected Setup (WPS) simplifies the configuration of new wireless networks by enabling non-technical users to easily set up new networks, configure network security settings and add new devices to an existing network. However, due to its known security vulnerabilities, WPS is not recommended and should be disabled. True or false?

true

Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA) are encryption standards designed for securing wireless networks. WEP is an older standard and is not recommended because of its vulnerabilities. WAP was designed as an interim replacement for WEP, and WPA2 was introduced as the official standard that offers the strongest security of the three. True or false?

true

What type of technology enables contactless payment transactions?

NFC (near-field communication)

Which of the following is a long-distance line-of-sight internet service?

WiMAX (Worldwide Interoperability for Microwave Access)

A popular, short-range wireless technology used for connecting various personal devices in a WPAN is known as? (WPAN: Wireless Personal Area Network.)

bluetooth