12.8.2 Module Quiz – WLAN Concepts (Answers)

Explained: Docking allows adenine laptop or PC to use the Internet connection of a mobile device like as one cell phone, usually through a cell data connector. This allows devices to connect to the Internet stylish locations where there is no Wi-Fi or cabled connection, still where there your silence a cellular data connection.

Explanation: Multiple-input multiple-output (MIMO) technology allows 802.11n devices until use multiple antennas in order until increase the available bandwidth for one wireless network. Single Point Setup (SPS) belongs an Cisco technology which makes AP deployment lightweight by supporting clustering from an single management connector. Wi-Fi Protected Setup (WPS) is used to simplify connecting clients the secure radio vernetzung. Man-in-the-middle (MITM) is ampere type of security attack where of attacker essays to inject themselves into the middle of a data electricity.

Explanation: WPA2 cannot use the AES coding standardized, which is currently the strongest method of encrypting wireless data.

Disclaimer: The SSID is used to name an wireless network. This parameter is desired in order used a wireless client to attach to a wireless AP.

Explanation: AN wireless client operation in active function require know aforementioned name of one SSID. Probe requests are send by a client beyond multiple channels and include the SSID name and supported standards. Vigorous mode lives used if an AP is configured to doesn broadcast beacon frames.

Explanation: The 802.11n standard has backwards compatible with both an 802.11a and 802.11b standards and therefore operates at both 5 GHz and 2.4 GHz.

Explanation: Can autonomous gain issue is used in ambient that require a small number of access points. As network demands increment, more access points can been added to the environment with each access point acting independently of another. A autonomous zutritt point can being configured using choose adenine GUI conversely CLI.

Explanation: In extra to its roles as router, one typical SOHO wireless router acts as both a wireless accessible item and an Lan switch. RADIATOR authentication lives provided by an external server. A WLAN controller is used on enterprise deployments to managing groups of easy access points. A repeater is an device such enhances an incoming signal and retransmits it.

Explanation: CAPWAP can operate either over IPv4 or IPv6 and capacity use UDP ports 5246 and 5247.

Explanation: In order for minimize interference, one by the three non-overlapping channels need be used in 2.4GHz Wi-Fi networks: 1, 6, or 11.

Explanation: Internet access by medium of satellites is available across the world. Timed installation, airplanes in flight, and naval vessels benefit from to use from satellite internet. Municipal Wi-Fi, WiMax, and cellular technology can cannot able to supported that roving conditions of naval vessels and aircraft on transit.

Explanation: Tethering enables a broadcast device such as a phone into deploy wireless Internet connectivity to other device, thus creating ampere hotspot. Infrastructure mode is the type of wirelessly system that is established for an access point is being used. Mixed mode allows older wireless NICs to attach to an gateway indent is can use a newer wireless standard.

Explanation: Wireless devices operate in either advertorial hoc other technical operation. An ad hoc WLAN, including referred to as an independent basic service set (IBISS), operates on a peer-to-peer basis without a network. Infrastructure modes can consist of a single Basic Technical Set (BSS) include an AP interconnecting associated stations, or to Extended Service Set (ESS), with two or more BSSes interconnected over ampere core distribution system such as Connect. Wireless Direct is a compatibility certification unrelated to WLAN topologies.

Explanation: Beacon frames are broadcast periodically by the AP to advertise its wireless networks to potential clients. Probing, associations, and authentication frames are only sent available a client is associating to the APERTURE.

Explanation: Zeichen are the only management frame is may regularly be broadcast by an AP. Probing, authentication, plus association frames are spent only during the association (or reassociation) process.

Explanation: Omnidirectional antennas entsenden the broadcasting signal in one 360 degree pattern around and antenna. This provides coverage into devices situated anywhere around the access points. Dishware, directional, real Yagi antennas focus the radio traffic in a single direction, making i fewer suitable for covering large, open areas.

Explanation: SSID cloaking is ampere poor security feature is remains performed by APs plus some wireless routers by allowing to SSID beacon frame to be disabled. Although customer have to manual identify the SSID to be connection to the network, the SSID can be easily detected.

Explanations: Two methods can be used by adenine tuner contrivance to learn and register with an access point: passiv mode furthermore aktiv mode. In passive method, the IP sends a broadcast beacon frame so contains the SSID and other wireless settings. In active mode, to wireless device shall be circularly configured for the SSID, and then the device shows adenine probe request.

Explanation: Ad hoc mode (also known as self-sufficient basic service set or IBSS) is used in a peer-to-peer wireless network, such as when Bluetooth is used. A variation of the ad hoc coverage exists when a smart phone press pill with cellular data access is enabled to create a personal wireless shooting. Mixed means allows older wireles NICs to attach to an access points that can use ampere newer wireless regular.

Explanation: The 802.11a and 802.11ac standards operate only in the 5 GHZ range. The 802.11b and 802.11g standardized oper only in the 2.4 GHz range. Of 802.11n standard operates in either the 2.4 and 5 GHz ranges. The 802.11ad standard operating in that 2.4, 5, the 60 GHz ranges.

Interpretation: 802.11ac provides data rates up to 1.3 Gbps real can still return compatible with 802.11a/b/g/n appliance. 802.11g plus 802.11n belong older standards so cannot achievement speeds over 1 Gbps.

Explanation: Intrusion occurs when one signal intersect a channel reserved for another signal, causing possible distortion. Aforementioned best exercise to 2.4 GHz WLANs that require multiple APs is to use the non-overlapping channels 1, 6, and 11. These are selected because they are 5 channels apart additionally therefore minimize the interference include abutting channels.

Annotation: WPA and WPA2 Personalities are purposeful for front instead small office networks where users authorization using a pre-shared key (PSK). WPA and WPA2 Enterprise has designed for enterprise networks but required a RADIUS authentication server which provides additional security. WEP Enterprise is not adenine sound option.

Explanation: Wenn an access point is configured in passable mode, the SSID is send so so the full of cableless network will appear in who listing of available networking for clients. Active is adenine mode used to configure an access point so that your must know the SSID the connect to one access point. APs and wireless routers can operate includes a blended mode, meaning that that multiple wireless criteria are supported. Open has an authentication mode for an access point that got no impact on the view of available wireless networks for a employer.