单项选择题X 纠错
A.Cisco IOS gateways provide services such as address translation and network access control for the devices on the network
B.Cisco IOS gateways provide services such as bandwidth management and accounting
C.Cisco IOS gateways provide media termination and signal translation between the public switched telephone network (PSTN) and IP networks
D.Cisco IOS gateways provide zone management for all registered endpoints in the network
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单项选择题
A.the seventh call is routed via the PSTN
B.the call is denied and the original six (6) calls remain
C.the call is completed and the first call is dropped
D.the call is completed, but all calls have quality issues
E.the call is completed but the seventh call has quality issues
单项选择题
A.automated alternate routing (AAR)
B.Cisco CallManager Attendant Console
C.real-time protocol (RTP)
D.Survivable Remote Site Telephony (SRST)
多项选择题
A.the first step when using the SDM QoS wizard is to select the inbound interface on which the QoS policy must be applied
B.the SDM QoS wizard can be used to optimize LAN, WAN, and VPN interfaces
C.he SDM QoS wizard supports network-based application recognition (NBAR) to provide deep and stateful packet inspection
D.he SDM QoS wizard will apply custom queuing and priority queuing policies to the identified interfaces
E.he SDM QoS wizard will apply low latency-queuing,custom-queuing and priority-queuing policies to the identified interfaces
F.to create and manage the QoS settings, the user must select the QoS wizard task under the Monitor option
单项选择题
A.gatekeeper
B.Call Routing
C.Call Admission Control
D.Digital Signal Processors
多项选择题
A.the packetization size
B.the serialization of the interface
C.the quantization
D.the packet rate
E.the UDP overhead
F.the TCP overhead
多项选择题
A.service guarantee
B.traffic that is divided into classes
C.not scalable to large implementations
D.QoS mechanisms that are used without prior signaling
E.applications that signal their particular QoS and bandwidth requirements
多项选择题
A.WLAN controllers
B.WLAN Solution Engine (WLSE)
C.Cisco Wireless Control System (WCS)
D.Cisco Wireless Location Appliance
E.lightweight access point (AP)
F.autonomous access point (AP)
多项选择题
A.the auto discovery qos command is supported on serial interfaces, subinterfaces, and virtual interfaces
B.CEF must be enabled before configuring the auto discovery qos command
C.the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data traffic
D.the auto qos trust command relies on NBAR to provide VoIP classification
E.the auto qos voip command configures the voip classification on routers and switches
多项选择题
A.involution
B.encoding
C.sampling
D.quantization
E.compression
F.companding
多项选择题
A.provide visibility into the classes of service deployed using system logging and SNMP traps
B.determine WAN settings for fragmentation, compression, encapsulation, and Frame Relay-ATM interworking
C.enable the AutoQoS VoIP for voice traffic
D.generate and deploy MQC-based QoS policies
E.profile the traffic with Auto-Discovery