A.in global configuration mode， apply the service policy and use the qos pre-classify
B.in global configuration mode， apply the service policy but do not use the qos pre-classify command
C.apply the service policy on the physical interface but do not use the qos pre-classify
D.apply the service policy on the tunnel interface but do not use the qos pre-classify command
E.apply the service policy on the tunnel interface and use the qos pre-classify command
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A.business-critical
B.high priority
C.middle class
D.voice
E.best effort
F.scavenger
A.end-to-end network delay times that exceed 50 ms for real-time traffic are considered unacceptable
B.end-to-end network delay times that exceed 250 ms for real-time traffic are considered unacceptable
C.end-to-end network delay is not a factor as long as the delay is consistent
D.some packet loss can be corrected by codec algorithms
E.RSVP handles voice packet retransmission
F.fragmentation is a result of packet loss
A.analog trunks that provide the Survivable Remote Site Telephony (SRST) feature
B.analog trunks that provide VoIP gateway functionality
C.analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems
D.analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)
A.sampling
B.packetization
C.quantization
D.serialization
A.The router that is directly connected to the IP phone will look up the called number in its call routing table.
B.The router that is directly connected to the IP phone will inform its call agent when a service request is detected.
C.When the IP phone is picked up，the IP phone initiates the service request.
D.The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.
最新試題
Which three benefits are realized by implementing Wireless LAN Solution Engine （WLSE）？（）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）
What are three Cisco Unified CallManager features？ （）
Which three user interfaces exist for the Cisco WLAN Controllers？（）
When Cisco SDM is used to generate QoS policy， various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface？ （）
Within the WMM policy， how many default QoS radio access categories are there？（）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
What are the three models of quality of service （QoS） in a network？（）
When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）