A. It supports admission control that allows a network to reject or downgrade new RSVP sessions if one of the interfaces in the path has reached the limit (that is, all reservable bandwidth is booked).
B. RSVP signals QoS requests per individual flow. In the request the authorized user (authorization object) and needed traffic policy (policy object) are sent. The network can then provide best-effort delivery to these individual flows.
C. RSVP streamlines communication by making it unnecessary to inform network devices of flow parameters (IP addresses and port numbers).
D. Because of the stateful RSVP architecture, continuous signaling does not have to occur.
E. The flow-based approach is scalable to large implementations, such as the public Internet, because RSVP tracks each individual flow.
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A. 8
B. 5
C. 4
D. 3
A. Resource Reservation Protocol (RSVP)
B. first-in, first-out (FIFO)
C. best-effort
D. CBWFQ
E. IntServ
F. DiffServ
A. Packets can arrive out of order.
B. Packets must take the same path to the destination.
C. Once packets are received at the destination router, the router performs sampling to ensure the quality of the voice traffic.
D. Packets can experience varying delays across the network.
E. Packets containing voice samples are sequentially numbered by default, allowing for reordering upon arrival at the terminal router along the path.
A. Compress payload.
B. Use header compression.
C. Increase link capacity.
D. Use random early detection.
E. Guarantee bandwidth to fragile flows.
F. Implement network-based application recognition.
A. connects traditional telephony devices to voice over IP infrastructure
B. converts analog signals to digital format
C. performs voice compression
D. performs call processing
E. performs dial plan administration
F. performs signaling and device control
最新試題
The Cisco SDM will create a QoS policy that provides services to two types of traffic. Which two statements indicate the default QoS parameters that are created by SDM?()
In the design of a QoS solution, which two factors should be taken into consideration?()
When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?()
What is an advantage of the IntServ QoS model?()
Which of the items stated is typically the most expensive method of improving QoS across WAN links?()
Which three practices are important to the implementation of a DiffServ QoS architecture?()
What are two ways to minimize the delay of VoIP packets that are traversing a network? ()
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? ()
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p?()
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony?()