Free Cisco 300-820 Exam Questions

Question 1

Refer to the exhibit. An engineer is deploying mobile and remote access in an environment that already had functioning Business to Business calling. Mobile and remote access SIP registrations are failing. To troubleshoot, SIP logs were collected. How is this issue resolved?

A : Change the SIP profile on the SIP trunk for the Expressway-E to Standard SIP Profile for TelePresence Endpoint

B : Change the “Incoming Port” in the SIP Trunk Security Profile for the Expressway-C to not match SIP line registrations

C : Enable autoregistration for the appropriate DN range on the Cisco UCM servers running the CallManager service

D : Write a custom normalization script since the “vcs-interop” normalization script does not allow registrations

Answer: B

Question 2

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Refer to the exhibit. A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing a SIP status of failed from the time the zone it was created. What should be done to resolve this issue?

A : search rule must be changed to continue on match

B : The existing zone using ID 7 must be deleted

C : More bandwidth must be added to the appropriate pipes

D : underlying DNS issue must be resolved

Answer: A

Question 3

Refer to the exhibit. What are “Type” field values for this Expressway servers zone configuration?

A : pressway-C “DNS”, Expressway-E “Traversal server”

B : pressway-C “Traversal server”, Expressway-E “Traversal client”

C : pressway-C “Neighbor”, Expressway-E “Neighbor”

D : pressway-C “Traversal client”, Expressway-E “Traversal server”

Answer: D

Question 4

Refer to the exhibit. After hardening the Cisco Expressway, an engineer noticed this error in the logs HTTP error 429 "Too Many Requests,” and users report that authentication is not possible on more than two devices. What must the engineer increase to correct the issue?

A : maximum authorizations per period

B : credentials refresh interval

C : rate control period

D : credentials cleanup interval