[2025年02月14日]300-820試験問題集でCisco練習テスト問題
最新でリアルな300-820試験問題集解答
Cisco 300-820試験は、Cisco Collaboration CloudおよびEdge Solutionsを実装する専門知識を証明したい人にとって必須の認定です。この試験に合格することにより、候補者はCisco Certified Specialist - Collaboration Cloud and Edge Implementation認定を取得し、コラボレーションおよびコミュニケーション技術の分野でキャリアを進めることができます。
質問 # 81
Refer to the exhibit. A Cisco Webex device on an enterprise network has identified the given STUN round-trip delays in milliseconds to the enterprise Video Mesh clusters and two Webex Cloud Media clusters during the call setup. Which correct sequence of clusters is the client connecting to?
- A. DC Europe. If DC Europe is full, US West Coast WCMC because clients select resources in the order of SRT delays but ignore SRTs greater than 250 ms.
- B. DC Europe. If DC Europe is full, DC APAC because clients select on-premises clusters in the order of SRT delays before using cloud resources.
- C. US West Coast WCMC. If US West Cost WCMC is full, then Europe WCMC because clients select clusters in the order of SRT delays.
- D. US West Coast WCMC. Clients continuously monitor DC US cluster and reconnect when DC US are available to save bandwidth.
正解：A
解説：
Cloud Cluster Selection for Overflow Based on 250 ms or Higher STUN Round-Trip Delay.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/videomesh/cmgt_ b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment- guide_chapter_010.html
質問 # 82
When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either.
What is TraversalZone missing that causes this issue?
- A. pipe to the DefaultZone
- B. SIP trunk to the DefaultZone
- C. route pattern to the DefaultZone
- D. link to the DefaultZone
正解：B
質問 # 83
Refer to the exhibit. An Expressway-C and Expressway-E are configured for B2B calling and the Expressway-E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.
Which action resolves this error?
- A. Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.
- B. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.
- C. Add a server certificate to the Expressway-C that is signed by a certificate authority.
- D. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
正解：C
解説：
You can upload the server certificate with the full chain on it. The issue here seems to be the temporary cert.
質問 # 84
Which two licenses are required for the Expressway B2B feature to work? (Choose two)
- A. Advanced Networking
- B. Device Provisioning
- C. TURN Relays
- D. Rich Media Sessions
- E. Traversal Server
正解：D、E
解説：
Rich Media Sessions: Determines the number of non-Unified Communications calls allowed on the Expressway (or Expressway cluster) at any one time. See the Call Types and Licensing section for more information.
Traversal Server: Enables the Expressway to work as a firewall traversal server.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/admin_guide/X14-
0/exwy_b_cisco-expressway-administrator-guide/exwy_m_managing-licensing.html
質問 # 85
What is a requirement when configuring the Cisco Webex Hybrid Message account for accessing the API of the Cisco UCM IM and Presence Service?
- A. Use an application user not the main administrator account with the "Standard AXL API Access" role
- B. Use an application user with only the "Standard CTI Allow Control of All Devices" role
- C. Use the main administrator account if it includes the "Standard AXL API Access" role
- D. Add a new end-user with the "Standard AXL API Access" role
正解：A
質問 # 86
An engineer must enable the communication between two separate Expressway-C servers to allow inbound and outbound calling between different endpoints registered on each server. Which configuration must happen?
- A. Configure a transform on each server to strip the port numbers at the end of the alias.
- B. Configure a neighbor zone on each server with a destination of the other Expressway-C.
- C. Configure a transform on each server to convert the calling alias into the called alias.
- D. Configure a traversal zone on each server with a destination of the other Expressway-C.
正解：A
質問 # 87
An engineer must fix broken SSH tunnels between Expressway-C (192.168.10.5) and Expressway-E (192.168.20.5). The engineer is advised that the packet capture shows the required packets for the SSH tunnels leaving the Expressway-C but not reaching the Expressway-E. Which firewall configuration must the engineer allow to resolve this issue?
- A. port 2222 from Expressway-C to Expressway-E
- B. port 7001 from Expressway-E to Expressway-C
- C. port 7001 from Expressway-C to Expressway-E
- D. port 2222 from Expressway-E to Expressway-C
正解：C
質問 # 88
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is replaced by 135, and then is sent to the local zone.
- B. 13358 is replaced by 135 and remains in the same zone.
- C. 13358 is replaced by 135, and then is sent to the traversal zone.
- D. 13358 is sent directly to the traversal zone.
正解：C
質問 # 89
Refer to the exhibit.
If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?
- A. Cloud Node US-WEST
- B. Cloud Node US-EAST
- C. Both Cloud Node US-EAST and US-WEST
- D. Video Mesh Cluster-2
正解：D
質問 # 90
Which commands disable SIP Inspection on the Cisco ASA FirePOWER firewall?
- A. hostname(config)#policy-map global_policy
hostname(config-pmap)#class-map inspection default
hostname(config-pmap)#no inspect_sip - B. hostname(config)#policy-map global_policy
hostname(config-pmap)#class-map inspection_default
hostname(config-pmap)#no inspect sip - C. hostname(config)#no inspect_sip
- D. hostname#no inspect sip
正解：B
質問 # 91
A Webex administrator is configuring the Webex Control Hub to enable enterprise users to sign into Webex securely by authenticating to the IdP of the organization. To conform to the SAML specification, to what can the NameID format be set?
- A. urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified
- B. urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
- C. urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
- D. urn:oasis:names:tc:SAML:2.0:nameid-format:transient
正解：D
解説：
https://help.webex.com/en-us/article/lfu88u/Single-Sign-On-Integration-in-Control- Hub#CMGT_TP_S41BS518_00
質問 # 92
How is the communication routed in a Hybrid deployment so that people on Cisco Cloud-Based IM are able to communicate with Cisco Jabber users in the on-premises environment?
- A. The Cisco Unified IM and Presence server establishes a connection using the outgoing path through the Cisco Expressways that terminates in the Cisco Webex Cloud to create the hybrid environment that links the two services together.
- B. The Cisco UC server establishes a connection using the outgoing path through the Cisco Expressways that terminates in the Cisco Webex Cloud to create the hybrid environment that links the two services together.
- C. The Expressway-E located in the DMZ establishes a connection with the Cisco Webex Cloud to enable the hybrid service and allow the two services to communicate.
- D. The Expressway-C enables a connection directly with the Cisco Webex Cloud to enable the hybrid service and allow the two services to communicate.
正解：D
質問 # 93
What are the steps to access the Service Setup Wizard during the first setup of the Expressway server to license the server?
- A. From the GUI of the Expressway server, go to Status> Overview> Run service setup.
- B. Factory reset the Expressway server to pass from Expressway-C to Expressway-E.
- C. Factory reset the Expressway server to pass from Smart Licensing to PAK-based licensing.
- D. From the GUI of the Expressway server, go to Maintenance> Option keys> First Setup Wizard.
正解：A
解説：
The first time you log in to the Expressway web user interface you'll automatically see the Service Setup Wizard. (For subsequent log ins you'll see the Status > Overview page, and from that page you can click Run service setup at anytime.)
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-
0/basic_config/exwy_b_cisco-expressway-e-and-expressway-c-basic-configuration-deployment- guide-x14-0/exwy_m_run-the-service-setup- wizard.html#concept_8D0B90ED41749AA37FFFA48B2EA8343B
質問 # 94
Which media encryption mode can be configured on an Expressway zone?
- A. IPsec
- B. force unencrypted
- C. Triple Data Encryption Standard
- D. Advanced Encryption Standard
正解：B
解説：
Available modes are "Force encrypted, Force unencrypted, Auto and Best Effort".
質問 # 95
An engineer is deploying an Expressway solution for the SIP domain Cisco.com.
Which SRV record should be configured in the public DNS to support inbound B2B calls?
- A. _cisco-uds._tcp.cisco.com
- B. _sip._tcp.cisco.com
- C. _cuplogin._tcp.cisco.com
- D. _collab-edge._tls.cisco.com
正解：B
解説：
SIP B2B - Cisco SRV Records for business-to-business
_sips._tcp.domain 5061 TLS
_sip._tcp.domain 5060 TCP
_sip._udp.domain 5060 UDP
質問 # 96
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is replaced by 135, and then is sent to the local zone.
- B. 13358 is sent directly to the traversal zone.
- C. 13358 is replaced by 135 and remains in the same zone.
- D. 13358 is replaced by 135, and then is sent to the traversal zone.
正解：B
質問 # 97
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. credentials cleanup interval
- B. maximum authorizations per period
- C. rate control period
- D. credentials refresh interval
正解：B
質問 # 98
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Cisco 300-820試験は、Ciscoコラボレーション技術での作業経験がある個人で、クラウドおよびエッジソリューションでのスキルを向上させたいと考えている個人を対象としています。試験に合格した候補者には、Cisco Certified Specialist - Collaboration Cloud and Edge Implementation認定が授与されます。
300-820認証試験問題集解答を提供しています：https://drive.google.com/open?id=1gGrpvMHfC9ua07dD_Vz-uQLtN7YiQQLB
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