多项选择题
Which two statements are true about the function of CAC？（）
A.CAC provides guaranteed voice quality on a link.
B.CAC artificially limits the number of concurrent voice calls.
C.CAC is used to control the amount of bandwidth that is taken by a call on a link.
D.CAC prevents oversubscription of WAN resources that is caused by too much voice traffic.
E.CAC allows an unlimited number of voice calls while severely restricting，if necessary，other forms of traffic.
F.CAC solves voice congestion problems by using QoS to give priority to UDP traffic.
相关考题
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多项选择题
WhichtwostatementsregardingtheWirelessLANSolutionEngine（WLSE）aretrue？（）
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. -
多项选择题
Whichtwowirelesssecuritystatementsaretrue？（）
A.A TACACS+ server is required to implement 802.1x.
B.MIC protects against man-in-the-middle and replay attacks.
C.The 802.1x standard provides encryption services for wireless clients.
D.The AES （symmetric block cipher） is specified in the IEEE 802.11i specification.
E.The IEEE 802.11i specification uses RC4 as its encryption mechanism.
F.WPA requires TKIP and AES as encryption methods. -
多项选择题
WhichtwoCiscoAutoQoSinterfacestatementsaretrue？（）
A.AutoQoS is supported on Frame Relay multipoint subinterfaces.
B.AutoQoS is supported on low-speed ATM PVCs in point-to-point subinterfaces.
C.AutoQoS is supported on serial PPP and HDLC interfaces.
D.AutoQoS is supported only on Frame Relay main interfaces and not on any subinterface configuration.
