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Cisco 300-820 Certification Exam is a rigorous test of the candidate's knowledge and skills. 300-820 exam consists of multiple choice and simulation questions that cover a wide range of topics related to Cisco's collaboration cloud and edge solutions. Candidates must answer all questions within the allotted time to pass the exam.

Core Concepts – 25%

Within this topic, the applicants should prove that they are capable of performing the following tasks:

Describing the Expressway Core dial plan components (including transforms; zones; regular expressions; search rules; pipes & links);
Describing the SIP media encryption mode (including auto; best effort; force unencrypted; force encrypted);
Describing the function of TURN, STUNI, and ICE;
Describing the Expressway backup as well as restoring procedure (cluster & stand alone).
Describing the core Expressway settings (including network interfaces; certificates; DNS; QoS; network firewall rules; clustering);
Describing protocol interworking within Expressway (including SIP < > H.323 as well as IPv4 & IPv6);
Describing the complexities of NAT within a Collaboration environment;
Describing Expressway media traversal;

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RealValidExam online digital Implementing Cisco Collaboration Cloud and Edge Solutions (300-820) exam questions are the best way to prepare. Using our Implementing Cisco Collaboration Cloud and Edge Solutions (300-820) exam dumps, you will not have to worry about whatever topics you need to master. To practice for a Cisco 300-820 certification exam in the software (free test), you should perform a self-assessment. The Cisco 300-820 Practice Test software keeps track of each previous attempt and highlights the improvements with each attempt. The Implementing Cisco Collaboration Cloud and Edge Solutions (300-820) mock exam setup can be configured to a particular style or arrive at unique questions.

Cisco 300-820 Certification Exam is designed for IT professionals who want to showcase their expertise in implementing Cisco Collaboration Cloud and Edge Solutions. Implementing Cisco Collaboration Cloud and Edge Solutions certification exam validates the candidate's knowledge and skills in configuring, troubleshooting, and implementing collaboration solutions in the cloud and on-premises.

Cisco Implementing Cisco Collaboration Cloud and Edge Solutions Sample Questions (Q177-Q182):

NEW QUESTION # 177
A company identifies a fraudulent toil situation. An engineer reviews the Cisco UCM call detail records and discovers that fraudulent calls originate from a Cisco Expressway-C server and are then routed to a 10-digit PSTN number. What must be configured to limit incoming Expressway calls to the internal Cisco UCM range of extensions 5XXXX?

A. call policy rule from the DNS zone to allow a destination regex pattern of .*@abc.com
B. unique search rule with a regex pattern of [5]d{4}@abc.com that targets the neighbor zone
C. call policy rule from the DNS zone to allow a destination regex pattern of d.*@abc.com
D. calling search space that contains all the partitions on the Unified Communications Manager SIP trunk to Expressway

Answer: B

NEW QUESTION # 178
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?

A. NAT ALG introduces jitter in the voice path.
B. The NAT ALG cannot inspect the contents of encrypted signaling messages.
C. Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.
D. Internal endpoints cannot use addresses from the private address space.

Answer: B

Explanation:
Explanation
https://www.voipinfo.net/docs/cisco/collab11.pdf

NEW QUESTION # 179
Refer to the exhibit.

Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.
Which action corrects this problem?

A. Ensure that the peer address does not match the Common Name on certificate.
B. Ensure that the SIP domains are added on Expressway Core.
C. Ensure that the credential has been entered correctly.
D. Ensure that the _cisco-uds SRV record has been configured.

Answer: C

NEW QUESTION # 180
Refer to the exhibit.

Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.
What happens to the participant's call?

A. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
B. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
C. The call fails.
D. The call is queued.

Answer: A

NEW QUESTION # 181
Which two statements about configuring mobile and remote access on Cisco TelePresence Video Communication Server Expressway are true? (Choose two.)

A. The traversal server zone on Expressway-C must have a TLS verify subject name configured.
B. The traversal client zone and the traversal server zone Media encryption mode must be set to Force encrypted.
C. The traversal client zone and the traversal server zone Media encryption mode must be set to Auto.
D. The traversal client zone and the traversal server zone must be set to SIP TLS with TLS verify mode set to On.
E. The traversal client zone on Expressway-C Media encryption mode must be set to Auto.

Answer: B,D

NEW QUESTION # 182
......

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Core Concepts – 25%

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Cisco Implementing Cisco Collaboration Cloud and Edge Solutions Sample Questions (Q177-Q182):

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