Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）

单项选择题WhichtwocommandsshouldbeenteredonaWLANcontrollertoremoveanyresidualconfiguration？（）

A. Enter the clear controller command followed by the reload command.
B. Enter the clear controller command followed by the reset command.
C. Enter the clear controller command followed by the reset system command.
D. Enter the erase startup-config command followed by the reload command.
E. Enter the erase startup-config command followed by the reset command.
F. Enter the erase startup-config command followed by the reset system command.

单项选择题WhichoptioncorrectlyidentifiesthefourmainmenusofaCiscoWirelessControlSystem（WCS）？（）

A. Home， Configure， Location， and Monitor
B. Home， Configure， Monitor， and Refresh
C. Home， Monitor， Refresh， and Administration
D. Monitor， Configure， Location， and Administration
E. Monitor， Configure， Refresh， and Administration
F. Monitor， Location， Refresh， and Administration

单项选择题WhichControlPlanePolicing（CoPP）statementistrue？（）

A. Traffic to be policed is identified using the control-plane global configuration command.
B. The control-plane global configuration command enters the Cisco Modular QoS CLI （MQC） mode.
C. The control-plane global configuration command enters the control-plane configuration mode. 
D. Traffic to be policed is identified using the control-plane interface configuration command.
E. The control-plane interface configuration command enters the Cisco Modular QoS CLI （MQC） mode.
F. The control-plane interface configuration command enters the control-plane configuration mode.

单项选择题InaVoIPnetwork，whichtypeofinterfacewouldananalogfaxmachineconnectto？（）

A. Type 1
B. Type 2
C. FXS
D. FXO
E. E&M

多项选择题InthedesignofaQoSsolution，whichtwofactorsshouldbetakenintoconsideration？（）

A. On congested links， all forms of traffic will require some form of QoS.
B. All traffic types and requirements should be examined to determine the number of traffic classes required.
C. In the implementation of link efficiency mechanisms on links that typically transport relatively large packets， header compression will be most efficient.
D. In the implementation of link efficiency mechanisms on links that typically transport relatively small packets， header compression will be most efficient.
E. In the implementation of link efficiency mechanisms on links that typically transport relatively small packets， payload compression will be most efficient.
F. Payload compression provides more available bandwidth and reduces processing delay time.