A. Analog phones， connected to the PSTN， act as internal call agents if IP communication to the CallManager is lost.
B. An onsite gateway reroutes calls over the PSTN if IP communication to the CallManager is lost.
C. The IP phones can reroute calls over the PSTN if IP communication to the CallManager is lost.
D. Local voice gateways can assume the function of a call agent if IP communication to the CallManager is lost.
E. IP phones use an internal call agent if IP communication to the CallManager is lost.
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A. Call Management Link Agent
B. Traffic policing
C. Call Admission Control
D. QoS Link Congestion Management
E. Oversubscription Link Detection
A. CAC is used to allocate enough bandwidth for the number of calls that are allowed on the VoIP network.
B. CAC is used to protect the quality of the voice calls by preventing call establishment if enough resources are not available on the network.
C. CAC provides queuing mechanisms for voice calls if the packets exceed the configured or budgeted rate.
D. In a VoIP network the CAC can be replaced with the LLQ QoS mechanism if it has been properly implemented.
A. Voice traffic will be assigned 47% of the interface bandwidth.
B. Voice call signaling will be assigned 33% of the interface bandwidth.
C. Telnet， SSH， and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.
D. Best-effort traffic will be assigned 38% of the interface bandwidth.
E. Routing protocol traffic will be assigned 5% of the interface bandwidth.
F. Transactional traffic will be assigned 5% of the interface bandwidth.
A. Business-critical traffic will be sorted into two QoS classes.
B. Real-time traffic will be sorted into one QoS class.
C. Voice traffic will be considered real-time traffic while call signaling will be considered business-critical.
D. All traffic except real-time will be considered best-effort.
E. Routing， management， and transactional traffic will be considered business-critical.
F. Voice and call signaling traffic will be considered real-time.
A. IP precedence
B. type of service （ToS）
C. class of service （CoS）
D. differentiated services code point （DSCP）
最新試題
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which three practices are important to the implementation of a DiffServ QoS architecture？（）
Which Control Plane Policing （CoPP） statement is true？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）