Untitled Quiz

<p>Cellular telephone technologies</p> Signup and view all the answers

<p>Covers broad geographical boundaries</p> Signup and view all the answers

<p>Wi-Fi 6</p> Signup and view all the answers

<p>The time required for an active frame exchange process</p> Signup and view all the answers

<p>Selects a random backoff value before transmission</p> Signup and view all the answers

<p>The client can reassess the channel and begin transmitting if it is clear</p> Signup and view all the answers

<p>To create gaps between frame exchanges</p> Signup and view all the answers

<p>SIFS</p> Signup and view all the answers

<p>Enhances DCF with QoS capabilities</p> Signup and view all the answers

<p>Basic Service Set Identifier (BSSID)</p> Signup and view all the answers

<p>Nomadic roaming</p> Signup and view all the answers

<p>Personal Basic Service Set (PBSS)</p> Signup and view all the answers

<p>Managing synchronized medium contention</p> Signup and view all the answers

<p>Extended Service Set (ESS)</p> Signup and view all the answers

<p>Basic Service Area (BSA)</p> Signup and view all the answers

<p>Basic Service Set (BSS)</p> Signup and view all the answers

<p>Access Point (AP)</p> Signup and view all the answers

<p>Bluetooth and Infrared</p> Signup and view all the answers

<p>Service Set Identifier (SSID)</p> Signup and view all the answers

<p>802.11-2020</p> Signup and view all the answers

<p>Wireless Distribution System (WDS)</p> Signup and view all the answers

<p>Distributed Coordination Function (DCF)</p> Signup and view all the answers

<p>Carrier Sense Multiple Access with Collision Detection (CSMA/CD) and Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

<p>Operating in continuous listening state and scanning between multiple channels</p> Signup and view all the answers

<p>Determines whether a frame transmission is inbound for a station to receive and checks whether the medium is busy before transmitting</p> Signup and view all the answers

<p>Controlled and efficient access to the network medium</p> Signup and view all the answers

<p>Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

<p>Long Term Evolution (LTE)</p> Signup and view all the answers

<p>Orthogonal Frequency Division Multiplexing (OFDM)</p> Signup and view all the answers

<p>Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

<p>Coordinate access to the distribution system</p> Signup and view all the answers

<p>Monitor and detect unauthorized access points</p> Signup and view all the answers

<p>Geographical coverage</p> Signup and view all the answers

<p>Basic Service Set Identifier (BSSID)</p> Signup and view all the answers

<p>Personal Basic Service Set (PBSS)</p> Signup and view all the answers

<p>To allow client stations to maintain communication within certain signal strength thresholds</p> Signup and view all the answers

<p>Short Interframe Space (SIFS)</p> Signup and view all the answers

<p>CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)</p> Signup and view all the answers

<p>Service Set Identifier (SSID)</p> Signup and view all the answers

<p>To predict future traffic and inform other stations about the busy medium</p> Signup and view all the answers

<p>EIFS</p> Signup and view all the answers

<p>To use polling for medium access</p> Signup and view all the answers

<p>HCF allows an 802.11 radio to send multiple frames during contention for the medium</p> Signup and view all the answers

<p>To select a random backoff value before transmission</p> Signup and view all the answers

<p>Layer 2</p> Signup and view all the answers

<p>To provide controlled and efficient access to the network medium using CSMA/CA protocol with physical carrier sense and virtual carrier sense</p> Signup and view all the answers

<p>To determine whether a frame transmission is inbound for a station to receive and check whether the medium is busy before transmitting</p> Signup and view all the answers

<p>CSMA/CA is used in 802.11 wireless networking to avoid collisions, as wireless radios cannot transmit and receive at the same time</p> Signup and view all the answers

<p>To manage the access to the wireless medium and coordinate the contention-based channel access</p> Signup and view all the answers

<p>IBSS</p> Signup and view all the answers

<p>BSS</p> Signup and view all the answers

<p>It coordinates channel access for PBSS stations and performs centralized management functions.</p> Signup and view all the answers

<p>Interconnects basic service sets to create an extended service set (ESS) and consists of distribution system medium (DSM) and distribution system service.</p> Signup and view all the answers

<p>Basic Service Set (BSS)</p> Signup and view all the answers

<p>Wireless Distribution System (WDS)</p> Signup and view all the answers

<p>It is a logical name identifying an 802.11 wireless network and is configurable on all 802.11 radios.</p> Signup and view all the answers

<p>It provides timing intervals between frames to avoid collisions and prioritize frame transmission.</p> Signup and view all the answers

<p>Long Term Evolution (LTE)</p> Signup and view all the answers

<p>Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

<p>Basic Service Set (BSS)</p> Signup and view all the answers

<p>To detect the presence of a carrier signal before transmission</p> Signup and view all the answers

<p>To separate frames of different priorities</p> Signup and view all the answers

<p>Bluetooth</p> Signup and view all the answers

<p>Basic Service Set Identifier (BSSID)</p> Signup and view all the answers

<p>Connects identically configured BSSs through a distribution system medium, enabling seamless roaming within the ESS coverage area</p> Signup and view all the answers

<p>Extended Service Set Identifier (ESSID)</p> Signup and view all the answers

<p>Client stations with no access point</p> Signup and view all the answers

<p>Provides wireless distribution of network traffic through mesh portal stations connected to the upstream wired medium</p> Signup and view all the answers

<p>802.11ad stations communicate directly with each other, using the 60 GHz frequency band</p> Signup and view all the answers

<p>Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

<p>To introduce randomness in retransmission attempts</p> Signup and view all the answers

<p>CSMA/CA is used in wireless networks, while CSMA/CD is used in wired networks</p> Signup and view all the answers

<p>To provide access to the distribution system medium for stations to communicate</p> Signup and view all the answers

<p>To operate in continuous listening state and scan between multiple channels</p> Signup and view all the answers

<p>To prioritize high-priority frames</p> Signup and view all the answers

<p>To interconnect basic service sets to create an extended service set (ESS)</p> Signup and view all the answers

<p>Wireless Distribution System (WDS)</p> Signup and view all the answers

<p>It is a logical name identifying an 802.11 wireless network</p> Signup and view all the answers

<p>To introduce random delays before retransmitting data frames</p> Signup and view all the answers

<p>Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

<p>Basic Service Set (BSS)</p> Signup and view all the answers

<p>It selects a random backoff value using a pseudo-random backoff algorithm before transmission.</p> Signup and view all the answers

<p>HCF enhances DCF with QoS capabilities and allows an 802.11 radio to send multiple frames during contention for the medium.</p> Signup and view all the answers

<p>The client can reassess the channel and begin transmitting if it is clear.</p> Signup and view all the answers

<p>It provides the fundamental access method for 802.11 communications.</p> Signup and view all the answers

<p>CSMA/CA uses virtual carrier sense to avoid collisions, while CSMA/CD detects collisions after they occur.</p> Signup and view all the answers

<p>It represents the time required for an active frame exchange process, preventing other radios from contending for the medium.</p> Signup and view all the answers

<p>General packet radio service (GPRS) = Cellular data transfer Code division multiple access (CDMA) = Cellular communication technology Time division multiple access (TDMA) = Cellular communication technology Long Term Evolution (LTE) = Cellular network technology</p> Signup and view all the answers

<p>General packet radio service (GPRS) = Wireless wide area network (WWAN) Code division multiple access (CDMA) = Wireless wide area network (WWAN) Time division multiple access (TDMA) = Wireless wide area network (WWAN) Long Term Evolution (LTE) = Wireless wide area network (WWAN)</p> Signup and view all the answers

<p>General packet radio service (GPRS) = Smartphones, tablet PCs, cellular USB modems Code division multiple access (CDMA) = Smartphones, tablet PCs, cellular USB modems Time division multiple access (TDMA) = Smartphones, tablet PCs, cellular USB modems Long Term Evolution (LTE) = Smartphones, tablet PCs, cellular USB modems</p> Signup and view all the answers

<p>General packet radio service (GPRS) = GSM modulation Code division multiple access (CDMA) = CDMA modulation Time division multiple access (TDMA) = TDMA modulation Long Term Evolution (LTE) = OFDMA modulation</p> Signup and view all the answers

<p>General packet radio service (GPRS) = Broad geographical boundaries Code division multiple access (CDMA) = Broad geographical boundaries Time division multiple access (TDMA) = Broad geographical boundaries Long Term Evolution (LTE) = Broad geographical boundaries</p> Signup and view all the answers

<p>General packet radio service (GPRS) = Cellular network technology Code division multiple access (CDMA) = Cellular network technology Time division multiple access (TDMA) = Cellular network technology Long Term Evolution (LTE) = Cellular network technology</p> Signup and view all the answers

<p>AP radio as a sensor radio = Operating in continuous listening state and scanning between multiple channels AP in bridge mode = Functionality not provided Client station in infrastructure mode = Communication via an access point Medium access control (MAC) = Rules for controlled and efficient access to the network medium</p> Signup and view all the answers

<p>CSMA/CD = 802.3 Ethernet networks CSMA/CA = 802.11 wireless networking Physical carrier sense = Functionality not provided Distributed Coordination Function (DCF) = 802.11 communications</p> Signup and view all the answers

<p>Signal Detect (SD) = Listening to the RF medium Energy Detect (ED) = Listening to the RF medium Physical carrier sense = Determining whether a frame transmission is inbound for a station to receive Unicast acknowledgment = Transmitting radio sending a unicast frame and the receiver radio sending an L2 ACK frame upon successful reception</p> Signup and view all the answers

<p>Physical carrier sense = Determines whether a frame transmission is inbound for a station to receive Virtual carrier sense = Functionality not provided Pseudo-random backoff timer = Functionality not provided Interframe spaces = Functionality not provided</p> Signup and view all the answers

<p>AP radio as a sensor radio = Wireless intrusion detection system (WIDS) architecture AP in bridge mode = Functionality not provided Client station in infrastructure mode = Communication via an access point Medium access control (MAC) = Controlled and efficient access to the network medium</p> Signup and view all the answers

<p>CSMA/CD = 802.3 Ethernet networks CSMA/CA = Avoiding collisions in wireless radios Physical carrier sense = Determining medium availability for frame transmission Distributed Coordination Function (DCF) = Fundamental access method of 802.11 communications</p> Signup and view all the answers

<p>Basic Service Area (BSA) = Coverage provided by an access point for client communication within signal strength thresholds Basic Service Set Identifier (BSSID) = MAC address of an access point's radio serving as the layer 2 identifier for each individual BSS Extended Service Set (ESS) = Connects identically configured BSSs through a distribution system medium, enabling seamless roaming within the ESS coverage area Independent Basic Service Set (IBSS) = Consists solely of client stations with no access point, akin to a wired crossover cable</p> Signup and view all the answers

<p>Nomadic roaming = Allows station mobility between disjointed cells where a client station moves from one access point's BSA to another Personal Basic Service Set (PBSS) = 802.11 WLAN topology where 802.11ad stations communicate directly with each other, using the 60 GHz frequency band Quality of service (QoS) mechanisms = Can be implemented within all 802.11 service sets, with most enterprise deployments considering each basic service set as a QoS basic service set (QBSS) Mesh Basic Service Set (MBSS) = Provides wireless distribution of network traffic through mesh portal stations connected to the upstream wired medium, with mesh points forwarding traffic through the wireless backhaul</p> Signup and view all the answers

<p>Multiple BSSIDs = Can be created for a radio interface using sub-interfaces, often as increments of the original MAC address Logical network name (SSID) = Unique name for each WLAN within an AP's coverage area Extended Service Set Identifier (ESSID) = The logical network name of an ESS, synonymous with SSID PBSS control point (PCP) = Assumes the role of managing synchronized medium contention within the PBSS, similar to an IBSS but with a designated PCP client</p> Signup and view all the answers

<p>Wireless Service Set Topologies = Defines various types of wireless service sets and their characteristics 802.11ad = Utilizes the 60 GHz frequency band for direct communication between stations in a PBSS Distribution System (DS) = Enables the connection of identically configured BSSs in an ESS, facilitating seamless roaming Hybrid Coordination Function (HCF) = A part of the 802.11e amendment, providing QoS support by allowing contention-free access</p> Signup and view all the answers

<p>Seamless roaming within an ESS = Connects identically configured BSSs through a distribution system medium, enabling seamless roaming within the ESS coverage area Nomadic roaming between disjointed cells = Allows station mobility between disjointed cells, where a client station moves from one access point's BSA to another ESSID and SSID = The logical network name of an ESS, synonymous with SSID PBSS and PCP = 802.11 WLAN topology where stations communicate directly with each other, using the 60 GHz frequency band, and the control point managing medium contention within the PBSS</p> Signup and view all the answers

<p>QoS mechanisms in 802.11 = Can be implemented within all service sets, with most enterprise deployments considering each basic service set as a QoS basic service set (QBSS) Hybrid Coordination Function (HCF) = Part of the 802.11e amendment, providing QoS support by allowing contention-free access Quality of Service (QoS) in 802.11 = Can be implemented within all service sets, with most enterprise deployments considering each basic service set as a QoS basic service set (QBSS) QBSS = Refers to each basic service set being considered as a QoS basic service set, with mechanisms implemented to ensure QoS within the 802.11 network</p> Signup and view all the answers

<p>Clear Channel Assessment (CCA) = Thresholds in the 802.11-2020 standard are somewhat ambiguous, leading to varying interpretations among WLAN manufacturers. Virtual Carrier Sense = Occurs at layer 2 of the OSI model and utilizes the Duration/ID field in the MAC header to prevent interruptions during frame exchange. Pseudo-Random Backoff Timer = Selects a random backoff value using a pseudo-random backoff algorithm before transmission, distinct from the NAV timer. Interframe space (IFS) = Consists of ten types, with the Reduced interframe space (RIFS) being the highest priority and the Extended interframe space (EIFS) used after receipt of corrupted frames.</p> Signup and view all the answers

<p>Duration/ID field in the MAC header = Represents the time required for an active frame exchange process, preventing other radios from contending for the medium. Network allocation vector (NAV) = Uses a timer mechanism to predict future traffic and inform other stations about the busy medium. Pseudo-Random Backoff Timer = Counts down slots, and when it reaches zero, the client can reassess the channel and begin transmitting if it is clear. Contention window (CW) = Size increases exponentially up to a maximum value after each retransmission of unsuccessful frame transmissions.</p> Signup and view all the answers

<p>Point Coordination Function (PCF) = An optional media access method that uses polling and has yet to be implemented by any vendors. Hybrid Coordination Function (HCF) = Enhances DCF with QoS capabilities and allows an 802.11 radio to send multiple frames during contention for the medium. Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) = Utilizes a backoff mechanism and acknowledgments to avoid collisions in wireless communications. Distributed Coordination Function (DCF) = Default medium access method in 802.11 that uses CSMA/CA and contention window mechanism.</p> Signup and view all the answers

<p>SIFS = Used for high-priority frames in 802.11 communications. DIFS = Used for most other 802.11 frames. RIFS = The highest priority interframe space in 802.11. EIFS = Used after receipt of corrupted frames in 802.11 communications.</p> Signup and view all the answers

<p>Virtual Carrier Sense = Prevents interruptions during frame exchange in 802.11 communications. Pseudo-Random Backoff Timer = Helps in channel reassessment and transmission initiation in 802.11. Contention window (CW) size increase = Occurs after each retransmission of unsuccessful frame transmissions in 802.11. Network allocation vector (NAV) = Predicts future traffic and informs other stations about the busy medium in 802.11 communications.</p> Signup and view all the answers

<p>Point Coordination Function (PCF) = An optional media access method that uses polling and has yet to be implemented by any vendors. Hybrid Coordination Function (HCF) = Enhances DCF with QoS capabilities and allows an 802.11 radio to send multiple frames during contention for the medium. Distributed Coordination Function (DCF) = Default medium access method in 802.11 that uses CSMA/CA and contention window mechanism. Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) = Utilizes a backoff mechanism and acknowledgments to avoid collisions in wireless communications.</p> Signup and view all the answers

<p>Access point (AP) = Serves as a wireless portal for client stations to communicate and provides a distribution system access function (DSAF) Client station = Contends for the RF medium and can be associated with an access point when having a layer 2 connection Integration service (IS) = Delivers data between the distribution system and non-IEEE-802.11 LAN via a portal Distribution system (DS) = Interconnects basic service sets to create an extended service set (ESS) and consists of distribution system medium (DSM) and distribution system service</p> Signup and view all the answers

<p>Basic service set (BSS) = Cornerstone topology of an 802.11 network, consisting of one AP radio with one or more client stations, forming a wireless domain for communication Extended service set (ESS) = Connects identically configured BSSs through a distribution system medium, enabling seamless roaming within the coverage area Independent basic service set (IBSS) = Consists solely of client stations communicating directly with each other without an AP Personal basic service set (PBSS) = Topology where 802.11ad stations communicate directly with each other, using the 60 GHz frequency band</p> Signup and view all the answers

<p>Basic service set (BSS) = Type of service set forming the cornerstone topology of an 802.11 network Extended service set (ESS) = Type of service set that connects identically configured BSSs through a distribution system medium Independent basic service set (IBSS) = Type of service set consisting solely of client stations communicating directly with each other without an AP Mesh basic service set (MBSS) = Type of service set used in mesh deployments and outdoor bridge links to provide coverage and backhaul connectivity</p> Signup and view all the answers

<p>Wireless personal area network (WPAN) = Facilitates communication between devices in close proximity using technologies like Bluetooth and infrared Wireless local area network (WLAN) = Suitable for building or campus environments, commonly using the 802.11 standard Wireless Distribution System (WDS) = Used in mesh deployments and outdoor bridge links to provide coverage and backhaul connectivity Service Set Identifier (SSID) = Logical name identifying an 802.11 wireless network and configurable on all 802.11 radios</p> Signup and view all the answers

<p>Integration service (IS) = Delivers data between the distribution system and non-IEEE-802.11 LAN via a portal Distribution system medium (DSM) = Part of the distribution system (DS) that interconnects basic service sets to create an extended service set (ESS) Distribution system service = Part of the distribution system (DS) in 802.11 networks Multiple service sets = Defined by the 802.11-2020 standard, including basic service set (BSS), extended service set (ESS), independent basic service set (IBSS), personal basic service set (PBSS), mesh basic service set (MBSS), and QoS basic service set (QBSS)</p> Signup and view all the answers

<p>802.11-2020 standard = Defines an integration service (IS) for delivering data between the distribution system and non-IEEE-802.11 LAN via a portal Client stations = Contend for the RF medium and can be associated with an access point when having a layer 2 connection Distribution system (DS) = Interconnects basic service sets to create an extended service set (ESS) and consists of distribution system medium (DSM) and distribution system service Service Set Identifier (SSID) = Logical name identifying an 802.11 wireless network and configurable on all 802.11 radios</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers