Wireless Network
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) 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
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 2.4 GHz frequency range
Which of the following answers apply to the IEEE 802.11a wireless standard? (Select 2 answers)
Maximum data signaling rate of 54 Mbps 5.0 GHz frequency band
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
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
Which of the following wireless security protocols has been discouraged in favor of newer standards due to known vulnerabilities resulting from implementation flaws?
WEP
Which wireless network type has a design that uses mesh topology? MAN WMN VLAN WAN
WMN
Which of the following WAN technologies uses cell towers that provide wireless signal coverage for mobile devices?
WWAN
Which of the following is a long-distance line-of-sight Internet service?
WiMAX
What is the channel bandwidth specified in the IEEE 802.11a standard?
20 MHz
Which of the following channel bandwidths is specified in the IEEE 802.11g standard
20 MHz
Which of the following describes the IEEE 802.11ac channel bandwidth option(s)
20 MHz 40 MHz 80 MHz 160 MHz
The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers)
20 MHz 40 MHz
Which of the following is a channel bandwidth used in 802.11b networks?
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 Multi-User Multiple Input / Multiple Output (MU-MIMO)
The IEEE 802.11g standard is backwards compatible with:
802.11b
The IEEE 802.11n standard offers backward compatibility with: (Select all that apply)
802.11g 802.11b 802.11a
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 Maximum data signaling rate of up to 600 Mbps
Which of the following wireless technologies enables identification and tracking of tags attached to objects?
RFID
Which of the following refer to IoT technologies designed to permit communication between appliances in a home automation network? (Select 2 answers)
Z-Wave Zigbee