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Cisco 300-820 Dumps

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Cisco 300-820 Sample Questions

Question # 1

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

A. Cisco Expressway-E and endpoints outside the enterprise
B. Cisco Expressway-C, Cisco Unified Communications Manager, and IM&P
C. Cisco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager
D. Cisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise 



Question # 2

Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?

A. Voice calls use Webex Calling platform for call control and use hybrid media nodes for local conferencing.
B. Voice calls use local media nodes to keep traffic internal for internal traffic and use Webex Calling for external calls.
C. Voice call use Cisco Unified Communications Manager for local calls and Webex Calling for external calls.
D. Voice calls use local Cisco Unified Communications Manager for all calls. 



Question # 3

What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?

A. Create user accounts in Cisco Webex Control Hub only.
B. Create user accounts in Cisco Unified Communications Manager only.
C. Create user accounts in Cisco Unified IM and Presence. 
D. Create user accounts in Cisco Unified CM and Cisco Webex Control Hub. 



Question # 4

Which connection does the traversal zone configuration define?

A. Expressway-E and Collaboration Endpoints
B. Cisco UC and Cisco Unified Presence Server
C. Cisco Expressway-C and Cisco Expressway-E platforms
D. Cisco UCS E-Series and Cisco UCM 



Question # 5

Cisco Collaboration endpoints are exchanging encrypted signaling messages.What is one major complication in implementing NAT ALG for voice and video devices?

A. Internal endpoints cannot use addresses from the private address space.
B. The NAT ALG cannot inspect the contents of encrypted signaling messages.
C. NAT ALG introduces jitter in the voice path.
D. Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.



Question # 6

Which mode should be used when Call Policy is configured on Expressways?

A. extended CPL
B. local CPL, policy service, and off
C. on 
D. remote CPL 



Question # 7

An organization has a domain name of example.com. Which two SRV records are valid for a SIP and H 323 communication? (Choose two)

A. _collab-edge._tls.example.com
B. _sips_tcp.example.com
C. _h323ls_tcp.example.com
D. _h323ls._udp.example.com
E. _sips._udp.example.com 



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