多项选择题
Which two statements are true about the Wi-Fi Protected Access （WPA） and Wi-Fi Protected Access version 2 （WPA2） security solutions？（）
A.both WPA and WPA2 require authentication support via IEEE 802.1 x and Pre-Shared Key （PSK）
B.both WPA and WPA2 address all known Wired Equivalent Privacy （WEP） vulnerabilities in the IEEE 802.11i security implementation
C.WPA is supported on client devices only. WPA2 is supported on both access point （AP） and client devices
D.WPA provides only a standard for authentication. WPA2 provides a standard for authentication and encryption
E.WPA requires encryption support via Temporal Key Integrity Protocol （TKIP） WPA2 provides encryption support via （symmetric block cipher）AES-CCMP
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多项选择题
WhataretwocomponentsoftheCiscoLightweightWLANsolution？（）
A.WCS
B.WLSE
C.Location Appliance
D.WDS
E.WLSE-Express -
多项选择题
WhataretwostepstodefineaQoSpolicy？（）
A.set a minimum bandwidth guarantee
B.increase bandwidth
C.determine a specific transfer rate
D.establish timers
E.configure CBWFQ for best-effort traffic
F.set a maximum bandwidth limit -
多项选择题
WhatarethreeofthefunctionsthatAutoQoSperformswhenitisconfiguredonaswitch？（）
A.synchronizes FIFO， PQ， CQ， and MDRR， with WFQ， CBWFQ， and LLQ
B.enables strict priority queuing for voice traffic， and weighted round robin queuing for data traffic
C.enables low latency queuing to ensure that voice traffic receives priority treatment
D.enforces a trust boundary on switch access ports and uplinks/downlinks
E.modifies queue sizes as well as queue weights where required
F.adjusts link speeds to adapt to QoS needs
