WLAN（Wireless LAN）是计算机网络与无线通信技术相结合的产物。下列哪些属于WLAN 技术标准？（）

A .  The SSID must match on both the Company client and the Company access point and provides  MAC Address Authentication to authenticate the client to the access point. B .  The SSID should be configured on the Company client site only and provides data-privacy  functions and authentication to the access point. C .  The SSID must match on both the Company client and the Company access point and provides encryption keys for authentication to the access point. D .  The SSID must match on both the Company client and the Company access point. The SSID is  advertised in plain-text in the access point beacon messages.   E .  None of the other alternatives apply

A . 正确 B . 错误

A . Disable DTPC on the radio. B . Disable higher data rates on the radio. C . Disable WMM policy on the WLAN. D . Disable multicast on the WLAN.

A . 3 B . 1 C . 4 D . 6

A . router B . bridge C . access point D . client adapter

A . duplicate sender packets B . unicast packet retry rate C . unicast packet retry ratio D . association rejectio

A . 20 B . 5 C . 15 D . 10

A .  In the autonomous access point solution， control is provided by the WLAN controller. B .  In the lightweight access point solution， WLAN management is provided by the WLAN Control  System （WCS）. C .  In the autonomous access point solution， control is provided by the WDS （Wireless Domain  Services）. D .  Cisco Aironet autonomous access points cannot be supported by the Cisco Unified Wireless  Network. E .  Ii the lightweight access point solution， WLAN management is provided by the WLAN Solution  Engine （WLSE）. F .  Cisco Aironet lightweight access points cannot be supported by the Cisco Unified Wireless  Network.

A .  allow for guest access B .  increase connection speeds C .  add additional access points D .  network management with CLI

A .  The access point has broadcast too many SSIDs. B .  The wireless client has missed too many beacons from the access point. C .  The maximum data retry count， initiated by the wireless client， is exceeded. D .  The wireless client has reduced the data rate. E .  The access point has requested client reauthentication. F .  The wireless client has missed too many IAPP （Inter Access Point Protocol） updates.

A .  improved WLAN security B .  simplified AP deployment C .  dynamic RF management D .  on-demand location of rogue APs E .  system-wide control of status and alarm monitoring F .  automatic channel and power level adjustment

A . using adapters and access points manufactured by the same company B . overlapping the wireless cell coverage by at least 10% C . configuring all access points to use the same channel D . utilizing MAC address filtering to allow the client MAC address to authenticate with the surrounding AP

A .  In ad hoc mode， the Independent Basic Service Set （IBSS） is a framework in which mobile  clients connect directly without an intermediate access point. B .  In Infrastructure mode， the Basic Service Set （BSS） is a framework in which mobile clients use  a single access point for connecting to each other or to wired network resources. C .  In Infrastructure mode， the Extended Services Set （ESS） is a framework in which two or more  Basic Service Sets are connected by a common distribution system （DS）. D .  In Infrastructure mode， the Independent Basic Service Setet （IBSS） is a framework in which  mobile clients connect directly without an intermediate access point. E .  In ad hoc mode， the Basic Service Set （BSS） is a framework in which mobile clients use a  single AP for connecting to each other or to wired network resources. F .  In ad hoc mode， the Extended Services Set （ESS） is a framework in which two or more Basic  Service Sets are connected by a common distribution system （DS）

A .  Cisco 1130AG Series Wireless LAN Controllers B .  Cisco 1140AG Series Wireless LAN Controllers C .  Cisco 2000 Series Wireless LAN Controllers D .  Cisco 4400 Series Wireless LAN Controller

A . passed by the AP to its connected switch and then forwarded directly to the connected router，which creates an MGID table entry B . passed by the AP to the WLAN controller and then forwarded to the source PIM-enabled router，which creates an MGID table entry C . passed by the AP to the WLAN controller， which creates an MGID table entry before forwarding to the directly connected PIM-enabled router D . passed by the AP to its connected switch and then forwarded to the rendezvous point router，which creates an MGID table entry

A .  Authentication   B .  Mobility C .  Security management D .  Transmission of beacon frames E .  Real-time portions of MAC management F .  Real-time aspects of the 802.11 prtocol management G .  SNMP collectio

A . To support fault and policy reporting，the WLSE requires a Wireless Control System （WCS）. B . When WLSE detects an AP failure，it automatically increases the power and cell coverage of nearbyAPs. C . WLSE requires the 2700 location appliance to offer location tracking. D . WLSE can locate rogue APs and automatically shut them down. E . WLSE configuration is done using the command line interface （CLI） or a WEB based template.

A . need one access point B . want to provide unsecured wireless access C . need between two and three access points D . want to provide employee wireless access E . need more than four access points F . want to provide guest wireless acce

A .  To support fault and policy reporting， the WLSE requires a Wireless Control System （WCS）. B .  When WLSE detects an AP failure， it automatically increases the power and cell coverage of nearby APs. C .  WLSE requires the 2700 location appliance to offer location tracking. D .  WLSE can locate rogue APs and automatically shut them down. E .  WLSE configuration is done using the command line interface （CLI） or a WEB based template.

A . to support fault and policy reporting， the WLSE requires a Wireless Control System （WCS） B . when WLSE detects an AP failure， it automatically increases the power and cell coverage of nearby APs C . WLSE requires the 2700 location appliance to offer location tracking D . WLSE can locate rogue APs and automatically shut them down E . WLSE configuration is done using the command line interface （CLI） or a WEB based template

A .  bridge B .  access point C .  wireless adaptor D .  Layer 3 switch E .  antenna

是 否