Wlan关键技术之一是（）A、A、CSMA/CB、B、CSMA/C
Wlan关键技术之一是（）
- A、A、CSMA/C
- B、B、CSMA/C
相关考题：
WLAN用户使用WLAN时，无法搜索WLAN信号或信号弱，可能出现该问题的原因()A.WLAN基站可能已经撤消B.客户所处位置无WLAN覆盖或者客户距离WLAN设备较远C.WLAN基站故障D.终端WLAN的功能没有开启
WLAN的“理论最大传输速率”通常是指大字节（1500字节）报文传输速率。但是在大多数网络中，小字节（250字节以下）报文较多，将严重影响WLAN的实际应用性能，使之远低于理论最大传输速率。
WLAN流量计费产品生效扣费说明正确的是（）A、未开通WLAN或仅开通WLAN基础功能的客户直接开通WLAN流量计费产品当天生效B、WLAN流量包之间的变更次月生效C、WLAN流量包月取消次月生效D、原为WLAN时长套餐则提醒客户取消时长套餐下周期生效后再办理流量资费
以下关于WLAN的描述有误的是（）。A、WLAN是传输范围在100米左右的无线网络B、WLAN的推动联盟为WI-FIAllianceC、WLAN提供城市范围的无线覆盖D、WLAN是无线局域网的英文缩写，其采用WI-FI技术。
A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）A、The WLAN card is 802.11g.B、The WLAN card is 802.11b.C、The WLAN card is 802.11n.D、The WLAN card is 802.11a.
A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?（） A、The WLAN card is 802.11g.B、The WLAN card is 802.11b.C、The WLAN card is 802.11n.D、The WLAN card is 802.11a.
单选题A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）AThe WLAN card is 802.11g.BThe WLAN card is 802.11b.CThe WLAN card is 802.11n.DThe WLAN card is 802.11a.
多选题Which two WLAN implementation statements are true？（）AAn autonomous wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by a WLAN solution engine （WLSE/WLSM）.BAn autonomous wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by the Cisco Wireless Control System （WCS）.CA lightweight wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by a WLAN solution engine （WLSE/WLSM）.DA lightweight wireless solution consists of autonomous access points （APs）， which are managed by a WLAN solution engine （WLSE/WLSM）.EA lightweight wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by the Cisco Wireless Control System （WCS）.
判断题古人对“孝”的理解可以分为两个层面，一是生前之孝，一是身后之孝。A对B错