Which two statements best describe the wireless security standard that is defined by WPA (Choose two.)()。 A.It specifies use of a static encryption key that must be changed frequently to enhance securityB.It requires use of an open authentication methodC.It specifies the use of dynamic encryption keys that change each time a client establishes a connectionD.It requires that all access points and wireless devices use the same encryption keyE.It includes authentication by PSK
Which two statements best describe the wireless security standard that is defined by WPA (Choose two.)()。
A.It specifies use of a static encryption key that must be changed frequently to enhance security
B.It requires use of an open authentication method
C.It specifies the use of dynamic encryption keys that change each time a client establishes a connection
D.It requires that all access points and wireless devices use the same encryption key
E.It includes authentication by PSK
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Which two of these statements best describe fast secure roaming for the wireless core feature set using autonomous access points？ （Choose two.） （）A、 It is compatible with all wireless clients.B、 It reduces roaming latency through reduced client RF channel scanning enhancements.C、 It reduces roaming latency to targeted times of less than 75ms.D、 Roaming occurs without reauthentication through a centralized RADIUS server.E、 It is enabled through WLSE deployment.
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Which two statements best describe the wireless security standard that is defined by WPA (Choose two.)（）。A、It specifies use of a static encryption key that must be changed frequently to enhance securityB、It requires use of an open authentication methodC、It specifies the use of dynamic encryption keys that change each time a client establishes a connectionD、It requires that all access points and wireless devices use the same encryption keyE、It includes authentication by PSK
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Which two statements best describe the Cisco Unified Wireless Network？（）A、 The Cisco Unified Wireless Network provides the framework to segregate wired and wirelessnetworks to deliver the best security for companies that are deploying WLANs.B、 The Cisco Unified wireless Network provides the framework to integrate and extend wired andwireless networks to deliver the lowest-possible total cost or ownership for companies that aredeploying WLANsC、 The Cisco Unified Wireless Network extends "wireless awareness" into important elements ofthe network infrastructure， providing the same level of security for WLANs that organizations havecome to expect from their VPNs.D、 The Cisco unified Wireless Network extends "wireless awareness" into important elements ofthe network infrastructure， providing the same level of security scalability， reliability ease ofdeployment and management for WLANs that organizations have come to expect from their wiredLANs.
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Which two statements best describe the wireless security standard that is defined by WPA？ （Choose two.）（）A、It specifies use of a static encryption key that must be changed frequently to enhance security.B、It requires use of an open authentication method.C、It specifies the use of dynamic encryption keys that change each time a client establishes a connection.D、It requires that all access points and wireless devices use the same encryption key.E、It includes authentication by PSK
Which two statements best describe enhanced wireless security encryption？（）A、TKIP protects RC4 encryption keysB、CKIP and TKIP protect AES encryption keysC、TKIP encryption is more processor intensive than AES encryption isD、WPA requires TKIP encryption， whereas WPA2 supports AES encryptionE、WPA requires AES encryption， whereas WPA2 supports TKIP encryption
Which two of these statements best describe fast secure roaming？ （Choose two.）（） A、 available only in autonomous APsB、 available in autonomous and lightweight APsC、 a feature of WDS in autonomous APsD、 a feature of WDS in lightweight APsE、 requires at least one AP and one Wireless LAN Services Module
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多选题Which two statements best describe the wireless security standard that is defined by WPA？ （Choose two.）（）AIt specifies use of a static encryption key that must be changed frequently to enhance security.BIt requires use of an open authentication method.CIt specifies the use of dynamic encryption keys that change each time a client establishes a connection.DIt requires that all access points and wireless devices use the same encryption key.EIt includes authentication by PSK
多选题Which two of these statements best describe fast secure roaming？ （Choose two.）（）Aavailable only in autonomous APsBavailable in autonomous and lightweight APsCa feature of WDS in autonomous APsDa feature of WDS in lightweight APsErequires at least one AP and one Wireless LAN Services Module
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多选题Which two of these statements best describe the benefits of WPAv2？ （Choose two.）（）ASSID broadcast preventionBman-in-the-middle attack protectionCcost reduction through software upgrades in all existing hardwareDdynamic key generationERF jamming prevention
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多选题Which two statements describe the criteria bandwidth detection uses to dynamically alter bandwidth allocation?（）(Choose two.)AThroughput is raised as latency decreases.BThroughput is based on available bandwidth.CThroughput is lowered as latency decreases.DLatency is measured by SYNs returned for each metapacket.
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多选题Which two statements best describe the Cisco Unified Wireless Network？（）AThe Cisco Unified Wireless Network provides the framework to segregate wired and wirelessnetworks to deliver the best security for companies that are deploying WLANs.BThe Cisco Unified wireless Network provides the framework to integrate and extend wired andwireless networks to deliver the lowest-possible total cost or ownership for companies that aredeploying WLANsCThe Cisco Unified Wireless Network extends wireless awareness into important elements ofthe network infrastructure， providing the same level of security for WLANs that organizations havecome to expect from their VPNs.DThe Cisco unified Wireless Network extends wireless awareness into important elements ofthe network infrastructure， providing the same level of security scalability， reliability ease ofdeployment and management for WLANs that organizations have come to expect from their wiredLANs.