Penetration Testing: 300-820 Pre-assessment Test

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Cisco 300-820 Exam Topics:

Section	Weight	Objectives
Mobile and Remote Access	25%	- 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
Key Concepts	25%	- 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)
Cisco WebEx Technologies	25%	- 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
Initial Expressway Configurations	25%	- 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 300-820 Certification Exam is a valuable credential for IT professionals who are interested in implementing Cisco Collaboration Cloud and Edge Solutions. It measures their knowledge and skills in deploying, configuring, and troubleshooting these solutions, and provides them with the recognition they need to advance their careers. With this certification, IT professionals can demonstrate their expertise in Cisco Collaboration Cloud and Edge Solutions and provide better support to their organizations.

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q272-Q277):

NEW QUESTION # 272
Refer to the exhibit.

Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)

A. XMPP: TCP 7400
B. HTTPS: TCP 8443
C. SIP: TCP 7001
D. SIP TCP 5061
E. Media: UDP 36012 to 59999

Answer: A,C

NEW QUESTION # 273
Which option changes the addresses and ports in voice and video signaling messages?

A. NAT ALG
B. NAT Pinhole
C. NAT overload
D. Firewall ALG

Answer: A

NEW QUESTION # 274
Refer to the exhibit. An administrator troubleshoots Cisco Jabber users experiencing issues when trying to log in and notices errors in the Jabber problem report log. The administrator also sees that the Intercluster Sync Agent service is not running on the IMM and Presence server. Why is the Jabber client unable to sign in?

A. The Jabber client refused the XMPP bind connection.
B. The XMPP bind failed on the IM and Presence server
C. The XMPP stanza is not using the correct ID for the Jabber client.
D. The XmppSDK.dl file is missing from the IM and Presence server

Answer: B

NEW QUESTION # 275
Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?

A. No Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.
B. Although a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.
C. Mobile and remote access login has not been enabled for the domain configured in the Expressway-C. The domain must be edited to allow Cisco UCM registrations.
D. SIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.

Answer: B

Explanation:
If you look at the bottom of the diagram, it shows a CUCM server configured and also states at the very bottom that the UC traversal zone is not configured.

NEW QUESTION # 276
Refer to the exhibit.

Refer to the exhibit. Which SIP trunk security profile configuration on the Cisco UCM server is used for a secured SIP trunk to an Expressway server that is already integrated with the Cisco UCM for Mobile and Remote Access?

A. Device Security Mode: Encrypted
Incoming Transport Type: TLS
Outgoing Transport Type: TLS
Incoming Port*: 5061
B. Device Security Mode: Non-Secure
Incoming Transport Type: TCP+UDP
Outgoing Transport Type: TCP
Incoming Port*: 5060
C. Device Security Mode: Encrypted
Incoming Transport Type: TLS
Outgoing Transport Type: TLS
Incoming Port*: 6061
D. Device Security Mode: Authenticated
Incoming Transport Type: TLS
Outgoing Transport Type: TLS
Incoming Port*: 6061

Answer: A

NEW QUESTION # 277
......

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