多項選擇題For delay sensitive traffic, what are the three best ways that are used to prevent packet loss? ()

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.


您可能感興趣的試卷

你可能感興趣的試題

1.多項選擇題Which three functions are associated with a Cisco Unified CallManager? ()

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

2.多項選擇題Which two characteristics are common between traffic policing and traffic shaping?()

A. The rate of traffic is measured and compared to a configured policy.
B. Classification is used to differentiate traffic.
C. Traffic is marked and sent out according to priority.
D. Both can be applied to inbound and outbound traffic.
E. Both buffer traffic to ensure a predetermined traffic rate.
F. Both drop traffic that is above a predetermined traffic rate.

3.多項選擇題Which two QoS classification and marking statements are true? ()

A. In a Frame Relay network, delay sensitive traffic is tagged with the discard eligible (DE) bit.
B. In an MPLS network, the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.
C. In an MPLS network, the MPLS EXP bits are used to identify up to 16 CoS values.
D. The differentiated services code point (DSCP) field consists of the first three bits of the IP precedence field in the header of an IP packet.
E. The 802.1Q standard uses a three bit field referred to as the user priority bits (PRI) to mark packets as belonging to a specific CoS.

5.多項選擇題What are two reasons to implement H·323 gatekeepers?()

A. to eliminate the need for VoIP gateways
B. to scale a VoIP installation with multiple gateways
C. to provide call admission control and limit the number of simultaneous calls on the network 
D. to meet the requirement to control H·323 gateways on a LAN
E. to accept call requests and reduce the load on the gateway

最新試題

Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony?()

題型:多項選擇題

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?()

題型:多項選擇題

Which three functions can an Integrated Services Router perform in a VoIP network?()

題型:多項選擇題

Which three functions are associated with a Cisco Unified CallManager? ()

題型:多項選擇題

End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p?()

題型:單項選擇題

Which two statements are correct about the signaling methods that are utilized for transmitting voice? ()

題型:多項選擇題

Which two characteristics are common between traffic policing and traffic shaping?()

題型:多項選擇題

Within the WMM policy, how many default QoS radio access categories are there?()

題型:單項選擇題

Which two functions can be provided by an Integrated Services Router (ISR) in a VoIP network?()

題型:多項選擇題

In the design of a QoS solution, which two factors should be taken into consideration?()

題型:多項選擇題