A.Each subinterface has its own hardware queue and can experience congestion just like its main interface
B.Hardware queuing is only used if the software queues are experiencing congestion.
C.Hardware queues and software queues are not used concurrently.
D.The hardware queuing system always uses the FIFO queuing mechanism.
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A.RTP multiplexing is used to keep multiple phone conversations separate
B.RTP provides end-to-end delivery services for voice traffic.
C.UDP is used to ensure a reliable transmission from sender to receiver.
D.RTP is used to provide resource reservation for the voice stream.
E.UDP provides multiplexing of multiple phone conversations.
A.link efficiency
B.admission control
C.classification and marking
D.shaping and policing
E.congestion avoidance using the RTP protocol
F.resource reservation using the RSVP protocol
A.802.1X
B.Cisco Temporal Key Integrity Protocol （CKIP）
C.Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling （EAP-FAST）
D.Cisco Message Integrity Check （CMIC）
E.One-Time Passwords （OTP）
F.Advanced Encryption Standard （AES）
Refer to the exhibit. The network has been configured with H.323 gateways and gatekeepers as shown. Which statement is true when a call is placed？（）
A.A gatekeeper is contacted to determine the correct local gateway to use.
B.A gateway will receive the call and forward a call request to the local gatekeeper.
C.A gateway will receive the call and forward a call request to the gatekeeper on the other side of the WAN
D.A gatekeeper will receive the call and forward a call request to the remote gateway.
A.programming interface to external applications
B.FXS and FXO port negotiation
C.AutoQos VoIP trust boundaries
D.signaling and device control
E.LLO for voice and video traffic
F.directory and XML services
最新試題
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？ （）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which two characteristics are common between traffic policing and traffic shaping？（）
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？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
What are two reasons to implement H·323 gatekeepers？（）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）