Prepare For Realistic 300-820 Dumps PDF – 100% Passing Guarantee [Q40-Q55]

Q40. Which two considerations must be made when using Expressway media traversal? (Choose two.)

Q41. 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?

Q42. Which mode should be used when Call Policy is configured on Expressways?

Q43. An engineer is deploying Mobile and Remote Access to allow external Cisco Jabber users to sign into a Cisco UCM cluster via Cisco Expressways. The users will sign-in in the format [email protected]. Contact photos for Jabber are hosted on a webserver with the FQDN of phonebook cisco.com. Which configuration must be completed to allow external Jabber users to see contact photos?

Q44. A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only on SIP.
Which functionality would describe the feature that needs to be enabled and where to achieve this?

Q45. Which statement about the Cisco Webex hybrid service is true?

Q46. An engineer is supporting an existing Cisco Collaboration deployment that has internal and external home users using the solution without VPN. Business usage also includes B2B calling for voice and video. Suddenly the engineer receives a report that one of the home office users cannot use the Cisco Jabber client, and shortly after, a few more reports come in for the same error. What must the engineer check first to resolve this issue?

Q47. Which two considerations must be made when using Expressway media traversal? (Choose two.)

Q48. Refer to the exhibit.

The firewall has been configured from NAT 192.168.108.2 to 100.64.0.1. Which configuration changes are needed for an Expressway-E with dual network interfaces?
A)

B)

C)

D)

Q49. Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?

Q50. When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

Q51. Which mode should be used when Call Policy is configured on Expressways?

Q52. What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

Q53. Drag and Drop Question
Drag and drop the required SAN field items from the left onto the features within the server categories on the right.

Q54. What is a requirement when configuring the Cisco Webex Hybrid Message account for accessing the API of the Cisco UCM IM and Presence Service?

Q55. Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?