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
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你可能感興趣的試題
A.The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardown
B.The gateway voice-capable device has a local call routing table configured through a routing protocol.
C.The gateway voice-capable device relies on a call agent to support call control.
D.The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.
A.CoS 0 = Best-Effort Data
B.CoS 1 = Best-Effort Data
C.CoS 3 = High Priority
D.CoS 4 = High Priority Data
E.CoS 5 = Voice Bearer
F.CoS 7 = Voice Bearer
A.incoming interface
B.Layer 2 differentiated services code point （DSCP）
C.Layer 3 IP precedence
D.outgoing interface
What will the H.323 gateways do when they receive a call request?（）
A.forward an admission request to the local gatekeeper
B.forward an admission request to the remote gatekeeper
C.send a location request to the remote gateway
D.send a location request to the remote gatekeeper
A.The 802.11e standard is the IEEE 802.11 OoS WLAN standard.
B.The Wi-Fi Multimedia （WMM） standard decreases the eight priority levels to four access categories.
C.The Wi-Fi Multimedia （WMM） standard is a Wi-Fi Alliance standard that increases the four priority levels to eight access categories.
D.The Wi-Fi Multimedia （WMM） standard is an IEEE standard that increases the four priority levels to eight access categories.
E.Wireless 802.11 deploys Distributed Coordination Function （DCF）， carrier sense multiple access with collision detection （CSMA/CD）， interframe spacing， and random wait timers to avoid collisions.
F.Wireless OoS designs and implementations commonly use Layer 3 differentiated services code point （DSCP） or Layer 2 802.1 p to ensure priority
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？（）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
Which three benefits are realized by implementing Wireless LAN Solution Engine （WLSE）？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）
SDM creates a low latency queuing （LLQ） service policy with its associated classes. What are the two types of low latency queuing available using the SDM QoS wizard？（）
Within the WMM policy， how many default QoS radio access categories are there？（）