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Cisco 300-820 Exam With Confidence Using Practice Dumps

Exam Code:
300-820
Exam Name:
Implementing Cisco Collaboration Hybrid and Cloud Technologies
Certification:
Vendor:
Questions:
207
Last Updated:
Oct 22, 2026
Exam Status:
Stable
Cisco 300-820

300-820: CCNP Collaboration Exam 2025 Study Guide Pdf and Test Engine

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Implementing Cisco Collaboration Hybrid and Cloud Technologies Questions and Answers

Question 1

An engineer must fix broken SSH tunnels between Expressway-C (192.168.10.5) and Expressway-E (192.168.20.5). The engineer is advised that the packet capture shows the required packets for the SSH tunnels leaving the Expressway-C but not reaching the Expressway-E. Which firewall configuration must the engineer allow to resolve this issue?

Options:

A.

port 2222 from Expressway-E to Expressway-C

B.

port 7001 from Expressway-C to Expressway-E

C.

port 7001 from Expressway-E to Expressway-C

D.

port 2222 from Expressway-C to Expressway-E

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Question 2

Which two internal SIP endpoints behind a firewall place calls to external devices? (Choose two.)

Options:

A.

An Expressway-C communicates with the internal endpoint and forwards the media to and from an Expressway-E.

B.

A Cisco Endpoint is configured with a publicly routable static NAT SIP address to advertise instead of is private IP address.

C.

An Expressway-C communicates directly with the remote party using the ICE protocol

D.

An Expressway-E is used as a VPN server to allow remote SIP edge servers to connect calls

E.

An Expressway-C rewrites the SIP SDP to advertise its own IP address to the external party.

Question 3

Cisco media traversal technology has enabled a secure environment where internal video endpoints call and receive calls from external video endpoints. How does the Expressway-C and Expressway-E communicate?

Options:

A.

Expressway-C establishes an outgoing request to Expressway-E, enabling the Expressway-E in the DMZ to notify the internal Expressway-C of an incoming call from an external endpoint.

B.

Internal endpoints are registered to Expressway-E in the DMZ. Expressway-C, which is also in the DMZ, will receive and make calls on behalf of Expressway-E because they are in the same network.

C.

Expressway-E establishes an outgoing request to Expressway-C, enabling the Expressway-C in the DMZ to notify the internal Expressway-E of an incoming call from an external endpoint.

D.

Internal endpoints are registered to Expressway-C in the DMZ. Expressway-E, which is also in the DMZ, will receive and make calls on behalf of Expressway-C because they are in the same network.