Tuesday, January 17, 2017

Update Troubleshooting Cisco IP Telephony and Video 300-080 CTCOLLAB training material

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Share some CCNP Collaboration 300-080 exam questions and answers below.
You are troubleshooting video quality issues on a Cisco TelePresence TX9000 Series system. Which CLI command shows the total number of lost video packets and the received jitter during a call in progress? 
A. show call statistics video 
B. show call statistics all 
C. show call statistics detail 
D. show call statistics video detail 
Answer: D

After an IP Phone gets IP address information from DHCP, what is the next step in the initialization process? 
A. CTL and ITL files are downloaded. 
B. The phone requests its VLAN information. 
C. The DHCP offer is sent from the phone 
D. The TFTP server is contacted for configuration information. 
E. Nothing else is required, the phone is operational at this stage 
Answer: D

How does an IP Phone react upon initilization, if there is no CTL and ITL files present on the device? 
A. The phone downloads only the files that are signed to that device. 
B. The phone blindly trusts the next series of downloaded files. 
C. The file matches the signature against the files on TFTP. 
D. The phone displays the message, Unprovisioned. 
Answer: D

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