Online Access Free Cisco.300-820.v2023-08-17.q78 Practice Test (Page 2)

300-820 Exam Question 1

How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

A.When the Expressway-C receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-E.

B.When the Expressway-E receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-C.

C.RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using UDP.

D.RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using TLS.

300-820 Exam Question 2

Which two statements about Expressway media traversal are true? (Choose two.)

A.Both Expressway Edge interfaces can be NATed.

B.Expressway Control is the traversal server installed in the DMZ.

C.The Unified Communications traversal zone can be used for Mobile and Remote Access.

D.Cisco Unified Communications Manager zone can be either traversal server or client.

E.The Expressway Edge must be put in a firewall DMZ segment.

300-820 Exam Question 3

Which step is taken when configuring a Cisco Expressway solution?

A.Enable static NAT on the Expressway-E only.

B.Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.

C.Disable H.323 mode on the Expressway-E.

D.Configure the Expressway-E by using a non-traversal server zone.

300-820 Exam Question 4

You must install an Expressway Edge server pair to enable mobile and remote access for a customer network. Which two requirements are used to install an MRA solution successfully?
(Choose two.)

A.Configure DNS SRV records according. Make sure that you can resolve DNS SRV record_collab- edge_tls.yourdomain.com outside your company network.
Make sure that you cannot resolve it inside your company network.

B.Configure your firewalls to allow traffic from Expressway-Core to Expressway-Edge servers and to allow traffic from internet hosts to Expressway-Edge servers.
You do not need to configure firewall rules for traffic from Expressway-Edge to Expressway Core servers.

C.Make sure that Expressway-Edge and Expressway-Core servers have their server certificates signed by the same certification authority and the CA certificate is uploaded to the trusted CA store otherwise the Traversal zone will not work.

D.You can deploy Edge servers with multiple network interfaces or with a single network interface.
In both scenarios, you must enable NAT for the Internet-facing interface if you are using private Ip addresses.

300-820 Exam Question 5

A company has a traversal client that resides in the DMZ in the enterprise network and has a requirement for B2B calling. Which Cisco Collaboration Edge component addresses this requirement?

A.Cisco Expressway-C

B.Cisco TelePresence ISDN gateway

C.Cisco Unified Border Element

D.Cisco Expressway-E

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300-820 Exam Question 1

300-820 Exam Question 2

300-820 Exam Question 3

300-820 Exam Question 4

300-820 Exam Question 5

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