A+ 1001 Wireless Networking
Which of the following channel options would allow three Wireless Access Points (WAPs) to be set up on non-overlapping channels? 1 5 6 9 11
1, 6 and 11
Which of the following frequency bands can be used by IEEE 802.11 networks? (Select all that apply) 2.0 GHz 2.4 GHz 5.0 GHz 5.4 GHz
2.4 GHz and 5.0 GHz
What is the channel bandwidth specified in the IEEE 802.11a standard? 20 MHz 22 MHz 40 MHz 80 MHz
20 MHz
Which of the following channel bandwidths is specified in the IEEE 802.11g standard? 20 MHz 22 MHz 40 MHz 80 MHz
20 MHz
The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers) 20 MHz 22 MHz 40 MHz 80 MHz 160 MHz
20 MHz and 40 MHz
Which of the following is a channel bandwidth used in 802.11b networks? 20 MHz 22 MHz 40 MHz 80 MHz
22 MHz
Which of the following answers describe features of the IEEE 802.11ac wireless standard? (Select 3 answers) Multiple Input / Multiple Output (MIMO) Data signaling rate of up to 600 Mbps 5.0 GHz frequency band Maximum data signaling rate of up to 6.77 Gbps Multi-User Multiple Input / Multiple Output (MU-MIMO) 2.4 GHz frequency band
5.0 GHz frequency band, Maximum data signaling rate of up to 6.77 Gbps and Multi-User Multiple Input / Multiple Output (MU-MIMO)
The IEEE 802.11g standard is backwards compatible with: 802.11n 802.11a 802.11b 802.11ac
802.11b
The IEEE 802.11n standard offers backward compatibility with: (Select all that apply) 802.11g 802.11ac 802.11b 802.11a
802.11g, 802.11b and 802.11a
Which of the following describes the IEEE 802.11ac channel bandwidth option(s)? 20 MHz 40 MHz 80 MHz 160 MHz Any of the above
Any of the above
A popular, short-range wireless technology used for connecting various personal devices in a WPAN is known as: 802.11 NFC Bluetooth Z-Wave
Bluetooth
What are characteristic features of satellite Internet connections? (Select 3 answers) High signal latency Lack of signal interference Cheaper in comparison to terrestrial links Interference (weather dependent) Low signal latency Relatively high cost in comparison to terrestrial links
High signal latency, Interference (weather dependent) and Relatively high cost in comparison to terrestrial links
A wireless network Access Point (AP) or site offering public wireless Internet access is commonly called a: Hotspot Proxy Hub Gateway
Hotspot
Which of the following are ways of creating a wireless/cellular data network by using a mobile device? (Select 3 answers) Hotspot Channel bonding Tethering Link aggregation Bluetooth
Hotspot, Tethering and Bluetooth
Which of the following IEEE standards provides the basis for implementing most modern WLANs? IEEE 802.11 IEEE 802.1x IEEE 802.3 IEEE 802.1q
IEEE 802.11
Which of the following is a short distance, line-of-sight technology used in products such as home remote controls? NFC 802.3 IR Z-Wave
IR
Which of the following best describes the disabling of an SSID broadcast? It is one of the measures used in the process of securing wireless networks It makes a WLAN harder to discover It blocks access to a WAP It prevents wireless clients from accessing the network
It makes a WLAN harder to discover
What are the characteristic features of the IEEE 802.11b wireless standard? (Select 2 answers) Maximum data signaling rate of 11 Mbps 2.0 GHz frequency range Maximum data signaling rate of 54 Mbps 5.0 GHz frequency range Maximum data signaling rate of up to 600 Mbps 2.4 GHz frequency range
Maximum data signaling rate of 11 Mbps and 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 up to 600 Mbps 5.4 GHz frequency band Maximum data signaling rate of 54 Mbps 2.4 GHz frequency range Maximum data signaling rate of 11 Mbps 5.0 GHz frequency range
Maximum data signaling rate of 54 Mbps and 2.4 GHz frequency range
Which of the following answers apply to the IEEE 802.11a wireless standard? (Select 2 answers) 2.4 GHz frequency band Maximum data signaling rate of 54 Mbps 5.0 GHz frequency band Maximum data signaling rate of up to 600 Mbps 5.4 GHz frequency band Maximum data signaling rate of 11 Mbps
Maximum data signaling rate of 54 Mbps and 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) Maximum data signaling rate of 54 Mbps 2.4 GHz frequency band Multi-User Multiple Input / Multiple Output (MU-MIMO) 5.0 GHz frequency band Maximum data signaling rate of up to 600 Mbps
Multiple Input / Multiple Output (MIMO), 2.4 GHz frequency band, 5.0 GHz frequency band and Maximum data signaling rate of up to 600 Mbps
Which type of technology enables contactless payment transactions? NFC SDN PED WAP
NFC
Which of the following is a security feature used in Bluetooth device pairing? PIN code Multifactor authentication Biometrics Cleartext credentials
PIN code
The process of establishing a connection between Bluetooth devices (e.g. between a Bluetooth enabled headset and a Bluetooth-enabled phone) is known as: Linking Tethering Three-way handshake Pairing
Pairing
Which of the following wireless technologies enables identification and tracking of tags attached to objects? WMN RFID GPS WTLS
RFID
What are the characteristic features of a WPA/WPA2 Enterprise mode? (Select 2 answers) Suitable for large corporate networks Does not require an authentication server Suitable for all types of wireless LANs Requires RADIUS authentication server
Suitable for large corporate networks and Requires RADIUS authentication server
Which of the following refers to the capability of a mobile device to share its Internet connection with other devices? Pairing Clustering Tethering Bonding
Tethering
The term "Airplane mode" refers to a device function that allows a user to disable wireless transmission capability. True False
True
The term "Channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth. True 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 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. WPA 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 False
True
Which of the following wireless security protocols has been discouraged in favor of newer standards due to known vulnerabilities resulting from implementation flaws? EAP AES WPA2 WEP
WEP
Which wireless network type has a design that uses mesh topology? MAN WMN VLAN WAN
WMN
Which of the following is the best method to secure a small network lacking an authentication server? WPA-PSK WPA2-Enterprise WPA2-PSK WPA-Enterprise
WPA2-PSK
Which of the following WAN technologies uses cell towers that provide wireless signal coverage for mobile devices? WAP WWAN Satellite WLAN
WWAN
Which of the following is a long-distance line-of-sight Internet service? WiMAX IEEE 802.11 IR Bluetooth
WiMAX
Which of the following refer to IoT technologies designed to permit communication between appliances in a home automation network? (Select 2 answers) Ant+ RFID Z-Wave NFC Zigbee
Z-Wave and Zigbee
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 False
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 False
True
Setting up a wireless network to operate on a non-overlapping channel allows multiple networks to coexist in the same area without causing interference. True False
True
