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调度集中 centralized traffic control（CTC）
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Packet filtering firewalls identify and control traffic by examining the (),(),and ().
A、waysB、sourceC、destinationD、port
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Which IP telephony deployment model uses an H.225 Gatekeeper－Controlled trunk for call admission control within existing H.323 environments?()
A. single site with centralized call processingB. single site with distributed call processingC. multisite with centralized call processingD. multisite with distributed call processing
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SDCCH全拼是()
A.Traffic ChannelB.Broadcast Control ChannelC.Stand-Alone Dedicated Control ChannelD.Access Granted Channel
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If both the ‘high level’and ‘low level’ alarms come on for the same address of a centralized（集中的） control console, the most likely problem is a/an ______.A.sensor failureB.failed alarmC.low levelD.extremely high level
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______ is not likely to be a methods of Traffic Separation．A.Separation of opposing streams of traffic by separation zones or linesB.The separation of through traffic from local traffic by provision of inshore traffic zonesC.Division of traffic from several different direction into sectorsD.Control of routing traffic through shipping routes
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TCAS的英文全称为（）。A、Traffic alert and Collision Advoidance SystemB、Traffic Collision and Alert SystemC、Traffic Control and ServiceD、Traffic Condition and Surveillance
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What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）A、 The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.B、 The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.C、 The Ethanalyzer captures only data traffic， while SPAN captures all traffic.D、 The Ethanalyzer captures only control traffic， while SPAN captures data traffic.
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Which of these provide centralized reporting for the S-Series？（）A、 M-Series applianceB、 sawmill for CiscoIronPortC、 the built-in WSA reporting infrastructureD、 Cisco application control engine
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Which statement about the Lightweight Access Point Protocol （LWAPP） is true？（）A、 LWAPP encrypts control traffic between the AP and the controller.B、 LWAPP encrypts user traffic with a x.509 certificate using AES-CCMPC、 LWAPP encrypts both control traffic and user data.D、 When set to Layer 3， LWAPP uses a proprietary protocol to communicate with the Cisco Aironet APs.
考题
Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）A、 single site with centralized call processingB、 single site with distributed call processingC、 multisite with centralized call processingD、 multisite with distributed call processing
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What are two reasons that a network administrator would use access lists (Choose two.)（）。A、to control vty access into a routerB、to control broadcast traffic through a routerC、to filter traffic as it passes through a routerD、to filter traffic that originates from the routerE、to replace passwords as a line of defense against security incursions
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Which of the following statemets regarding Control Plane Policing （CoPP） is correct？（）A、Control Plane Policing （CoPP） addresses the need to protect the management planes， ensuring routingstability， availability， and critical packet delivery.B、Control Plane Policing （CoPP） leverages MQC to define traffic classification criteria and to specifyconfigurable policy actions for the classified traffic.C、Control Plane Policing （CoPP） uses a dedicated "control-plane" command via the Modular QoS CLI （MQC）to provide filtering and rate limiting capabilities.D、Control Plane Policing （CoPP） uses "service policy" command under relevant interfaces to filter DOS packet to protect routing packets.E、Control Plane Policing （CoPP） protects the transit management and data traffic through the router.
考题
SDCCH全拼是（）A、Traffic ChannelB、Broadcast Control ChannelC、Stand-Alone Dedicated Control ChannelD、Access Granted Channel
考题
Which Control Plane Policing （CoPP） statement is true？（）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.
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What is needed to allow IT managers to design， control， and monitor their wireless networks form a centralized location as wireless networks grow in scale and complexity？（）A、 network unificationB、 network managementC、 mobility platformD、 client devices
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What are two reasons that a network administrator would use access lists? (Choose two.) （）。A、to control vty access into a router B、to control broadcast traffic through a router C、to filter traffic as it passes through a router D、to filter traffic that originates from the router E、to replace passwords as a line of defense against security incursions
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Which two of these are advantages of placing the VPN device parallel to the firewall？（）A、 high scalabilityB、 the design supports a layered security modelC、 firewall addressing does not need to changeD、 IPsec decrypted traffic is inspected by the firewallE、 there is a centralized point for logging and content inspection
考题
Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for call admission control within existing H.323 environments?（）A、single site with centralized call processingB、single site with distributed call processingC、multisite with centralized call processingD、multisite with distributed call processing
考题
单选题If both the “high level” and “low level” alarms come on for the same address of a centralized control console, the most likely problem is a/an （）.A
sensor failureB
failed alarmC
low levelD
extremely high level
考题
单选题Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）A
single site with centralized call processingB
single site with distributed call processingC
multisite with centralized call processingD
multisite with distributed call processing
考题
单选题Which statement is true about the distributed call control in a VoIP network？（）A
the VoIP endpoints have the intelligence to set up and control callsB
Call setup and control functionality is centralized in one call agent or clusterC
Call setup and control resides in call agents that are distributed throughout the networkD
Each VoIP device has separate call control， voice packetization， and transport mechanisms
考题
单选题Which statement about the Lightweight Access Point Protocol （LWAPP） is true？（）A
LWAPP encrypts control traffic between the AP and the controller.B
LWAPP encrypts user traffic with a x.509 certificate using AES-CCMPC
LWAPP encrypts both control traffic and user data.D
When set to Layer 3， LWAPP uses a proprietary protocol to communicate with the Cisco Aironet APs.
考题
单选题What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）A
The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.B
The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.C
The Ethanalyzer captures only data traffic， while SPAN captures all traffic.D
The Ethanalyzer captures only control traffic， while SPAN captures data traffic.
考题
名词解释题调度集中 centralized traffic control（CTC）
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