Which of the following wireless security protocols has been discouraged in favor of newer standards due to known vulnerabilities resulting from implementation flaws? Show -EAP 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 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? Which of the following is the best method to secure a small network lacking an authentication server? -WPA-PSK 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 or False? What are the characteristic features of a WPA/WPA2 Enterprise mode? (Select 2 answers) -Suitable for large corporate networks -Suitable for large corporate networks 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 or False? Which of the following IEEE standards provides the basis for implementing most modern WLANs? -IEEE 802.11 Which of the following answers apply to the IEEE 802.11a wireless standard? (Select 2 answers) -2.4 GHz frequency band 5.0 GHz frequency band What are the characteristic features of the IEEE 802.11b wireless standard? (Select 2 answers) -Maximum
data signaling rate of 11 Mbps Maximum data signaling rate of 11 Mbps 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 Maximum data signaling rate of 54 Mbps 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 or False? Which of the following are characteristic features of the IEEE 802.11n wireless standard? (Select all that apply) -Multiple Input / Multiple Output (MIMO) -Multiple Input / Multiple Output (MIMO) The IEEE 802.11n standard offers backward compatibility with: (Select all that apply) -802.11g Which of the following answers describe features of the IEEE 802.11ac wireless standard? (Select 3 answers) -Multiple Input /
Multiple Output (MIMO) -5.0 GHz frequency band Which of the following frequency bands can be used by IEEE 802.11 networks? (Select all that apply) -2.0 GHz What is the channel bandwidth specified in the IEEE 802.11a standard? -20 MHz Which of the following is a channel bandwidth used in 802.11b networks? -20 MHz Which of the following channel bandwidths is specified in the IEEE 802.11g standard? -20 MHz The term "Channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth. True or False? The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers) -20 MHz Which of the following describes the IEEE 802.11ac channel bandwidth option(s)? -20 MHz Which of the following channel options would allow three Wireless Access Points (WAPs) to be set up on non-overlapping channels? -1 A popular, short-range wireless technology used for connecting various personal devices in a WPAN is known as: -802.11 Which type of technology enables contactless payment transactions? -NFC Which of the following is a short distance, line-of-sight technology used in products such as home remote controls? -NFC A wireless network Access Point (AP) or site offering public wireless Internet access is commonly called a: -Hotspot Which of the following refers to the capability of a mobile device to share its Internet connection with other devices? -Pairing The term "Airplane mode" refers to a device function that allows a user to disable wireless transmission capability. True or False? Which of the following are ways of creating a wireless/cellular data network by using a mobile device? (Select 3 answers) -Hotspot -Hotspot 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 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? -WMN Which of the following refer to IoT technologies designed to permit communication between appliances in a home automation network? (Select 2 answers) -Ant+ 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? Which wireless network type has a design that uses mesh topology? -MAN Which of the following WAN technologies uses cell towers that provide wireless signal coverage for mobile devices? -WAP Which of the following is a long-distance line-of-sight Internet service? -WiMAX What are characteristic features of satellite Internet connections? (Select 3 answers) -High signal latency High signal latency What does IEEE 802.11 B stand for?IEEE 802.11b is an amendment to the 802.11 standard for wireless LANs. It is of of the specifications that is more commonly known as Wi-Fi. 802.11b uses the same unregulated radio frequency band of 2.4 GHz that was used by the original 802.11 standard, but operates at theoretical data throughput of 11 Mbps.
What are the three areas defined for the IEEE 802.11 standard?What are the three areas defined for the IEEE 802.11 stanadrd? The IEEE 802.11 WLAN standard defines the physical layer, the medium access control layer, and the media access control management protocols and services.
What does IEEE 802.11 standard represent?IEEE 802.11 refers to the set of standards that define communication for wireless LANs (wireless local area networks, or WLANs). The technology behind 802.11 is branded to consumers as Wi-Fi.
What are the main characteristic features of the IEEE 802.11 N wireless standard include?Basic specification for the IEEE 802.11n standard. Changes to implementation of OFDM.. Introduction of MIMO.. MIMO power saving.. Wider channel bandwidth.. Antenna technology.. Reduced support for backward compatibility under special circumstances to improve data throughput.. |