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Title: 300-820 Accurate Answers & 300-820 Reliable Test Notes [Print This Page]

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Title: 300-820 Accurate Answers & 300-820 Reliable Test Notes
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Cisco 300-820 Exam Topics:
SectionWeightObjectives
Key Concepts25%- Describe the complications of NAT in a Collaboration environment
- Describe the purpose of ICE, TURN and STUN
- Describe Expressway media traversal
- Describe protocol interworking on the Expressway
  • SIP < > H.323
  • IPv4 and IPv6
- Describe Expressway Licensing
  • Option keys
  • Release key
  • License consumption
- Describe SIP media encryption mode
  • Auto
  • Force encrypted
  • Force unencrypted
  • Best effort
- Describe Expressway Core dial plan elements
  • Transforms
  • Search rules
  • Zones
  • Regular expressions
  • Pipes and links
- Describe key Expressway settings
  • DNS
  • Network interfaces
  • Certificates
  • QoS
  • Clustering
  • Network firewall rules
- Describe Expressway backup and restore procedure (stand alone and cluster)
Initial Expressway Configurations25%- Configure key Expressway settings
  • DNS
  • Network interfaces
  • Certificates
  • QoS
  • Clustering
  • Network firewall rules
- Configure Expressway Core dial plan elements
  • Transforms
  • Search rules
  • Zones
  • Regular expressions
  • Pipes and links
- Configure toll fraud prevention on Expressway series (no custom CPL scripts)
- Configure a Business to Business (B2B) collaboration solution
  • DNS records (focus on Microsoft DNS)
  • Certificates (focus on Microsoft CA)
  • Traversal Zones
  • Neighbor Zones
  • Transforms
  • Search rules
  • SIP trunk integration with Cisco Unified Communications Manager
- Troubleshoot a Business to Business (B2B) collaboration solution
  • DNS records (focus on Microsoft DNS)
  • Certificates (focus on Microsoft CA)
  • Traversal Zones
  • Neighbor Zones
  • Transforms
  • Search rules
  • SIP trunk integration with Cisco Unified Communications Manager
Cisco WebEx Technologies25%- Describe the signaling and media flows used in a Cisco WebEx Video Mesh deployment
- Configure WebEx Hybrid Services/Connector
  • Calendar Service (Office 365, Microsoft Exchange, One Button to Push)
  • Message Service (Deployment requirements; expressway requirements, certificates, Call Manager pre-requisites, IM&P prerequisites, deployment models)
  • Directory Services (Deployment requirements; deployment models, infrastructure requirements, active directory configuration, synchronization, WebEx user service assignment)
  • Video Mesh (Deployment requirements including; bandwidth, clustering, endpoint support, video call capacity, ports and protocols, deployment models)
- Describe Cisco Jabber for Cloud and Hybrid deployments with Cisco WebEx Messenger
Mobile and Remote Access25%- Configure a Mobile and Remote Access (MRA) solution
  • DNS records types (not platform-specific)
  • Certificates (not platform specific, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
  • Unified Communications traversal zones
  • Unified Communications configuration on Expressway
  • HTTP allow list
  • SIP trunk security profile on Cisco Unified Communications Manager
- Troubleshoot a Mobile and Remote Access (MRA) solution
  • DNS records (focus on Microsoft DNS)
  • Certificates (focus on Microsoft CA, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
  • Unified Communications traversal zones
  • Unified Communications configuration on Expressway
  • HTTP allow list
  • SIP trunk security profile on Cisco Unified Communications Manager

Cisco 300-820 Domains to NailTo attain a passing score in the Cisco 300-820 exam, the candidate must ace four exam domains and all the terms included in them. These exam objectives are as follows:
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Cisco Implementing Cisco Collaboration Cloud and Edge Solutions Sample Questions (Q36-Q41):NEW QUESTION # 36
An organization wants to be able to call IP addresses and URI addresses. An engineer must configure Cisco Expressways to manage this request from the endpoints in the organization. How would the engineer configure the Expressways to allow these calls to be completed to external IP addresses?
Answer: D
Explanation:
https://www.cisco.com/c/en/us/td ... ay/admin_guide/X14-
0/exwy_b_cisco-expressway-administrator-guide/exwy_m_dial-plan-and-call-processing.html

NEW QUESTION # 37
What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?
Answer: A
Explanation:
The Cisco Sync Agent must be running on the database publisher node of each intercluster peer on the local and remote IM and Presence database publisher nodes.
https://www.cisco.com/c/en/us/td ... onfigAdminGuide/11_
5_1/cup0_b_config-and-admin-guide-1151su5/cup0_b_imp-system-configuration-
1151su5_chapter_01100.pdf

NEW QUESTION # 38
Refer to the exhibit. A collaboration engineer creates an allow list test file for a Mobile and Remote Access deployment. Which lines are needed to format the test in the file correctly?

Answer: D

NEW QUESTION # 39
Which attribute in the SDP for a call is affected by the static NAT address configuration in an Expressway-E?
Answer: A

NEW QUESTION # 40
A Jabber user is being prompted to trust the Expressway-E certificate when using Mobile and Remote Access. The administrator has validated that the Expressway-E certificate is being trusted by the machine running the Jabber client.
What else can be done to solve this problem?
Answer: C

NEW QUESTION # 41
......
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