A.The FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central office.
B.The FXS interface connects directly to a standard telephone，fax machine，or similar device and supplies ring，voltage，and dial tone.
C.The FXS interface connects directly to an IP phone and supplies ring，voltage，and dial tone.
D.The FXS interface connects directly to ISDN voice channels.
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A.Standard encoding techniques create an uncompressed digital data rate of 4000 bps.
B.Standard encoding techniques create an uncompressed digital data rate of 8000 bps.
C.Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.
D.Voice quality is not a concern if compression is not used.
E.Two methods of quantization are linear and logarithmic.
F.Two methods of compression are u-law and a-law.
A.The three required steps in the analog to digital conversion are sampling，encoding，and compression.
B.The three required steps in the analog to digital conversion are sampling，quantization，and compression.
C.The three required steps in the analog to digital conversion are sampling，quantization，and encoding.
D.The output of the sampling process is a pulse code modulation （PCM） signal.
E.The output of the sampling process is a pulse amplitude modulation （PAM） signal.
A.Cisco AutoQoS can be used repeatedly to apply a single QoS policy to multiple interfaces.
B.Cisco AutoQoS includes an optional web-based GUI for automating the configuration of QoS services.
C.Cisco AutoQoS provides capabilities to automate VoIP deployments.
D.The auto qos global configuration command is used to configure Cisco AutoQoS.
E.The Modular QoS CLI （MQC） is the best way to fine tune QoS configurations.
F.The SDM QoS wizard is the fastest way to implement QoS.
A.DiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.
B.Network traffic is identified by class， and the level of service is chosen for each class.
C.The DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.
D.RSVP enables the DiffServ model to provide end-to-end QoS.
E.The DiffServ model is more scalable than the IntServ model.
F.The flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.
A.AutoQos Enterprise
B.AutoQoS Campus
C.AutoQoS VoIP
D.AutoQoS LAN
最新試題
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（）
Which three functions can an Integrated Services Router perform in a VoIP network？（）
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）
Which two characteristics are common between traffic policing and traffic shaping？（）
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p？（）
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？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）