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Cisco 300-080 CTCOLLAB 問題練習

Troubleshooting Cisco IP Telephony and Video 試験

最新更新時間: 2019/07/07,合計469問。

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Question No : 1
Which three items are displayed on the endpoint registration verification page in Cisco VCS? (Choose three.)

正解:

Question No : 2
DRAG DROP
Drag the network-related video issue on the left to its root cause on the right.



正解:

Question No : 3
Which two components can be software upgraded via Cisco TelePresence Management Suite? (Choose two.)

正解:

Question No : 4
During a conference that is hosted on a Cisco TelePresence Server, which three circumstances determine that some participants do not have video, but they do have audio? (Choose three.)

正解:

Question No : 5
Refer to the exhibit.



You are trying to configure a new Cisco IOS MTP to register with Cisco Unified Communications Manager, but it fails to register. Which two changes are required so that the MTP registers successfully? (Choose two.)

正解:

Question No : 6
Users are complaining of problems when they make SIP calls by dialing URIs. To help users complete calls, what must you do?

正解:

Question No : 7
You recently configured a system for B2B SIP URI calls, and users confirmed that they could make calls. You are receiving multiple reports that inbound calls are failing and that users are not receiving calls to their URI. You confirm that all zones between expressways are active, and the trunk between Cisco Unified Communications Manager and Cisco VCS Expressway is active. You also see that the inbound call is sent from Cisco VCS Expressway C to Cisco Unified Communications Manager. Why are the calls failing?

正解:

Question No : 8
Refer to the exhibit.



According to the log diagram, what is the reason that the call ended?

正解:

Question No : 9
Refer to the exhibit.



You are trying to establish a multipoint call via a Cisco TelePresence SX20 that is registered to Cisco Unified Communications Manager. When you attempt to bring a third party into the call, you receive an error that the call cannot be completed. You confirm that your MCU resources are configured correctly on Cisco Unified Communications Manager and that other devices are able to establish multipoint calls. What is the cause of this issue?

正解:

Question No : 10
You are integrating a new video endpoint with Cisco VCS, but you find that the unit is failing to register. You assign extension 4000 to the device in the "vc.cisco.com" SIP domain, and you set its registration proxy to the IP address of 10.1.1.10 as the Cisco VCS. In order for the device to register via SIP, which format must you use when you set the SIP address of the device?

正解:

Question No : 11
Refer to the exhibit



A new phone was installed and currently has issues registering with Cisco Unified Communications Manager. The phone received its IP address via DHCP, with options 3 and 150.
Which two actions would enable the phone to download its configuration automatically? (Choose two.)

正解:

Question No : 12
You are experiencing bad video quality in calls, and you suspect packet loss in the network. Both the network switch and the collaboration endpoint network interfaces are set to autonegotiation, but the reported port speed and duplex settings do not match. Which action should you take?

正解:

Question No : 13
Two Cisco DX80 collaboration endpoints that support high-definition video are registered to a Cisco Unified Communications Manager in a single-site deployment model. However, the video that is displayed is pixelated and appears as sub-HD. To enable the Cisco DX80s to make high-definition video calls, which configuration option do you check?

正解:

Question No : 14
After a Cisco Unified Communications Manager system is installed, users report problems when more than four users attempt to join a Meet-Me conference. Which parameter should you increase?

正解:

Question No : 15
Refer to the exhibit.



How many high-complexity transcoding sessions can this Cisco ISR G2 support?

正解:

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