单项选择题
Which Cisco product family can simultaneously implement firewall, VPN, content security, network access control, virtualization, anD content filtering?（）
A.intrusion prevention systems
B.catalyst switches
C.adaptive security appliances
D.protect link gateway
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相关考题
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单项选择题
Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）
A.Voice gateway
B.Private branch exchange (PBX)
C.Advanced audio conferencing software
D.IP telephone -
单项选择题
Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）
A.Advanced call-handling software, such as Cisco Unity
B.Call-management hardware and software, such as CiscoCallManager
C.Client-based software, such as CiscoSoftPhone
D.Voice gateways, such as the Cisco VG248 Analog Phone Gateway -
单项选择题
Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）
A.Content networking
B.Campus local-area networking
C.Network management
D.Network security
