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Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Refer to the exhibit.

Your company's QoS policy states that all traffic that is arriving at access layer switches from IP phones should be marked with a DSCP value of 46 and that all untagged traffic that is arriving from a PC that is attached to an IP phone should be marked with a CoS value of 1. Which two options will satisfy the requirements for the CoS-to-DSCP map and are the correct QoS commands? (Choose two.)

A) mls qos map dscp 0 8 16 26 32 40 48 56
B) mls qos cos 1
C) mls qos 1
D) mls qos map cos-dscp 0 10 18 26 34 46 48 56
E) mls qos map cos 0 8 18 26 40 48 50 56
F) mls qos dscp 1

2. Which command should you use when checking for phone registration status or verifying button assignments?

A) show ephone
B) show IP phone
C) show telephony-service
D) show ephone-dn 9

3. Which type of delay is caused by the distance that signal must travel in fiber- or copper-based networks?

A) processing delay
B) propagation delay
C) serialization delay
D) handling delay

4. Which type of voice port supports Dialed Number Identification Service signaling for outbound calls, and inbound calls carry only ANI?

A) E&M
B) FXS-DID
C) FXS
D) FXO

5. Which command should you use to configure a dial peer to support T.38 fax relay and to use Cisco fax relay if T.38 negotiation is unsuccessful?

A) fax relay t38 cisco
B) fax protocol t38 fallback cisco
C) fax relay t38 backup ciscorelay
D) fax t38 fallback cisco

Solutions: