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
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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.
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.
A. packetization
B. quantization
C. decoding
D. sampling
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
A. codec
B. link speed
C. Layer 2 encapsulation
D. packet overhead (IP/UDP/RTP)
E. link delay
F. total number of simultaneous calls that are allowed
最新試題
When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?()
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 two QoS classification and marking statements are true? ()
Within the WMM policy, how many default QoS radio access categories are there?()
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p?()
In a VoIP network, which type of interface would an analog fax machine connect to?()
Which two statements about the Wi-Fi Multimedia (WMM) standard are true?()
For delay sensitive traffic, what are the three best ways that are used to prevent packet loss? ()
Which option correctly identifies the four main menus of a Cisco Wireless Control System (WCS)? ()
Which two statements are correct about the signaling methods that are utilized for transmitting voice? ()