300-820學習指南：Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0壹次通過300-820考試

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Cisco 300-820 Exam Syllabus Topics:

SectionObjectives
Topic 1: Call Control and SIP Integration- Cisco Unified Communications Manager (CUCM) integration
- SIP trunking and call routing design
Topic 2: Security and Troubleshooting- Troubleshooting hybrid collaboration deployments
- TLS/SRTP and secure signaling
Topic 3: Collaboration Cloud Architecture- Webex platform integration overview
- Cisco Collaboration cloud and hybrid architecture concepts
Topic 4: Hybrid Collaboration Services- Calendar, directory, and media services integration
- Webex hybrid calling deployment
Topic 5: Cisco Expressway and Edge Services- Expressway-C and Expressway-E deployment
- Mobile and Remote Access (MRA)

>> 300-820學習指南 <<

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最新的 CCNP Collaboration 300-820 免費考試真題 (Q141-Q146):

問題 #141
What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

答案：A

解題說明：
SIP TLS zones may fail to become active if certificates use a key length of 8192 bits. We recommend using certificates with a key length of 4096 bits.
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-
9/Cisco-Expressway-Certificate-Creation-and-Use-Deployment-Guide-X8-9.pdf


問題 #142
Refer to the exhibit.

An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.
Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?

答案：A


問題 #143
Global Innovations Corp. is undergoing a major digital transformation, migrating its entire telephony infrastructure from an aging on-premises Cisco UCM system to Webex Calling. What must be configured for a user in Webex Control Hub before the phone migration process can begin to ensure that a user can successfully migrate their existing phone to Webex Calling?

答案：D

解題說明：
Before a phone can be migrated to Webex Calling, the user must be provisioned for Webex Calling in Control Hub with the required calling license and a unique extension or phone number so the migrated device can be associated with a valid calling identity.


問題 #144
Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

答案：D


問題 #145
In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

答案：A


問題 #146
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