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 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
参考解析
解析：
暂无解析
相关考题：
A company needs strong wireless security enabled for minimal cost. Which of the following security measures is the BEST to use?() A. WEPB. Port filteringC. WPAD. Longer SSID broadcast intervals
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 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.
Which two of these statements best describe the benefits of WPAv2？ （Choose two.）（）A、 SSID broadcast preventionB、 man-in-the-middle attack protectionC、 cost reduction through software upgrades in all existing hardwareD、 dynamic key generationE、 RF jamming prevention
From small business to large-scale enterprises， which two best describe how the Cisco Unified Wireless Network reduces overall operational expenses？ （）A、 extends networkQoS throughout the networkB、 simplifies management of central or remotely located access pointsC、 ensures implementation of the most recent security protocolsD、 streamlines wireless LAN managementE、 extends features for optical traffic network services
Which two statements best describe Cisco IOS IP SLA？（）A、only implemented between Cisco source and destination-capable devicesB、statistics provided by syslog， CLI， and SNMPC、measures delay， jitter， packet loss， and voice qualityD、only monitors VoIP traffic flowsE、provides active monitoringF、provides passive monitoring
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 of these statements best describe the benefits of WPAv1？ （）A、 SSID broadcast preventionB、 Improved mutual authenticationC、 Improved encryption through AESD、 Improved protection against sniffing initialization vectorsE、 RF jamming prevention
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.
From small businesses to large-scale enterprises， which two best describe how the Cisco UnifiedWireless Network reduces overall operational expenses？（）A、 extends networkQoS throughout the networkB、 simplifies management of central or remotely locates access pointsC、 ensures implementation of the most recent security protocolsD、 streamlines wireless LAN managementE、 extends features for optical traffic network services
Which two statement best describes the Cisco Unified Wireless Network？ （）A、 The Cisco Unified Wireless Network provides the framework to segregate wired and wireless networks to deliver the best security for companies that are deploying WLANsB、 The Cisco Unified Wireless Network provides the framework to integrate and extend wired and wireless networks to deliver the lowest-possible total cost of ownership for companies that are deploying WLANsC、 The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security for WLANs that organizations have come to expect from their VPNsD、 The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security， sociability， reliability， ease of deployment， and management for WLANs that organizations have come to expect from their wired LANs
Which two of these statements best describe the benefits of the Cisco Compatible Extensions Program？ （Choose two.）（）A、 offers a feature-rich implementation alternative to Wi-Fi certificationB、 accelerates the availability of innovative features while maintaining interoperabilityC、 provides innovative features only on Cisco’s wireless client adaptersD、 provides an evolving set of specifications for interoperabilityE、 eliminates the need for testing by providing innovative features to wireless client vendors through a one-time license fee
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
A company needs strong wireless security enabled for minimal cost. Which of the following security measures is the BEST to use?（）A、WEPB、Port filteringC、WPAD、Longer SSID broadcast intervals
Which two statements describe the purpose of a security policy？（）A、It enables traffic counting and logging.B、It enforces a set of rules for transit traffic.C、It controls host inbound services on a zone.D、It controls administrator rights to access the device.
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
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
多选题From small businesses to large-scale enterprises， which two best describe how the Cisco UnifiedWireless Network reduces overall operational expenses？（）Aextends networkQoS throughout the networkBsimplifies management of central or remotely locates access pointsCensures implementation of the most recent security protocolsDstreamlines wireless LAN managementEextends features for optical traffic network services
多选题Which two of these statements best describe the benefits of WPAv1？ （）ASSID broadcast preventionBImproved mutual authenticationCImproved encryption through AESDImproved protection against sniffing initialization vectorsERF jamming prevention
多选题Which two of these statements best describe the benefits of Cisco’s wireless IDS functionality？ （Choose two.） （）AAirDefense for wireless IDS is required by autonomous APs.B2.40Hz CK management can monitor both 802.11 and non-802.11 CK interference.CAPs only monitor the RF channels that are servicing the clients.DCisco or CCX compatible client cards can extend the CK IDS service for autonomous APs.EAutonomous APs must be dedicated IDS sensors while lightweight APs can combine client traffic and RF monitoring.
多选题Which two of these statements best describe fast secure roaming for the wireless core feature set using autonomous access points？ （Choose two.） （）AIt is compatible with all wireless clients.BIt reduces roaming latency through reduced client RF channel scanning enhancements.CIt reduces roaming latency to targeted times of less than 75ms.DRoaming occurs without reauthentication through a centralized RADIUS server.EIt is enabled through WLSE deployment.
多选题Businesses face three types of economic impacts as a result of hacks or intrusions： immediate，short-term， and long-term. Which two best describe short-term economic impacts that can becaused by a security breach？（）Aloss of retail salesBdelays in receiving checksCdisruption of business operationsDloss of suppliers or customers
多选题Which two statements describe the purpose of a security policy？（）AIt enables traffic counting and logging.BIt enforces a set of rules for transit traffic.CIt controls host inbound services on a zone.DIt controls administrator rights to access the device.
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.
多选题Which two statements best describe Cisco IOS IP SLA？（）Aonly implemented between Cisco source and destination-capable devicesBstatistics provided by syslog， CLI， and SNMPCmeasures delay， jitter， packet loss， and voice qualityDonly monitors VoIP traffic flowsEprovides active monitoringFprovides passive monitoring