Reliable Cisco 300-820 Exam Dumps

Question No: 1

MultipleChoice

An administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

Options

Ain the public DNS server

Bin DNS SRV settings under Cisco Unified OS Administration in Cisco UCM

Cin DNS settings in the Expressway-E on the interface that faces the Internet

Din DNS settings under Cisco Unified OS Administration in Cisco UCM

Question No: 2

MultipleChoice

Employees at company A must call employees at company B in an extension range of 4XXX@companyB.com. Both companies have a Cisco collaboration infrastructure. All required zones are configured in Cisco Expressways at company

Options

AWhat must be configured on the Expressway at company A to enable outbound B2B calls?

Asearch rule with a regex pattern of [4]\d{3}@companyB\.com that targets the DNS zone

Bsearch rule with a suffix pattern of *.@companyB.com that targets the neighbor zone

Ccall policy rule from the DNS zone to allow a destination pattern of 4[1-9]@companyB.com

Dcall policy rule from the neighbor zone to allow a destination pattern of 4[1-9]@companyB.com

Question No: 3

MultipleChoice

Which step is taken when configuring a Cisco Expressway solution?

Options

AConfigure the Expressway-E by using a non-traversal server zone.

BEnable static NAT on the Expressway-E only.

CDisable H.323 mode on the Expressway-E.

DEnable H.323 H.460.19 demultiplexing mode on the Expressway-C.

Question No: 4

MultipleChoice

Refer to the exhibit.

Refer to the exhibit. Call policy rules on an Expressway-E prevent external callers from the internet from calling a VIP whose URI is vip@cisco.com. Which additional configuration setting is required for this call policy to function as intended?

Options

AThe default zone on the Expressway-E must not be configured to treat as authenticated.

BA search rule must be configured with an extract match forvip^cisco.com to pass the call to the Expressway-C.

CThe Cisco TelePresence endpoint registered with the URI vip@cisco.com must be set in *do not disturb' mode.

DSIP TLS must be disabled on the Expressway-E.

Question No: 5

MultipleChoice

Refer to the exhibit.

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?

Options

Ahttps://myServer:8443/myPath.block, ''my deployment'', ''a block test'', GET

B''my deployment'', block, GET https://myServer:8443/myPath, ''a block test''

Ca block test:https:8443:GET ''myServer/myPath'':my deployment:block

Da block test,https:8443,GET ''myServer/myPath'',my deployment:block

Question No: 6

MultipleChoice

What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Select two.)

Options

AThe MRA license is missing on the Expressway-E.

BThe Unified Communications zone is down.

CTransform is not configured on Expressway-E.

DThe SRV record for _cisco-uds is misconfigured.

EThe firewall is blocking the port.

Question No: 7

MultipleChoice

A call is sent by Cisco UCM to Expressway with a URI of 75080001@expc1a.pod8.test.lab. If (7508...)

@expc1a\.pod8\.test\.lab.* is the pattern string, what would be the replacement string of the transform in Expressway to re-write the call so that it becomes 75080001@conf.pod8.test.lab?

Options

A\1@conf\.pod8.test.lab.@

B\1@conf\.pod8\.test\lab.*

C\1@conf.pod8\.test\.lab

D\1@conf\.pod8\.test.lab.!

Question No: 8

MultipleChoice

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)

Options

AOption A

BOption B

COption C

DOption D

Question No: 9

MultipleChoice

D18912E1457D5D1DDCBD40AB3BF70D5D

Refer to the exhibit. An engineer is deploying mobile and remote access in an environment that already had functioning Business to Business calling. Mobile and remote access SIP registrations are failing. To troubleshoot, SIP logs were collected. How is this issue resolved?

Options

AChange the SIP profile on the SIP trunk for the Expressway-E to Standard SIP Profile for TelePresence Endpoint

BChange the ''Incoming Port'' in the SIP Trunk Security Profile for the Expressway-C to not match SIP line registrations

CEnable autoregistration for the appropriate DN range on the Cisco UCM servers running the CallManager service

DWrite a custom normalization script since the ''vcs-interop'' normalization script does not allow registrations

Question No: 10

MultipleChoice

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

Options

AMobile 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.

BSIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.

CNo Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.

DAlthough a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.

Question No: 11

MultipleChoice

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?

Options

ADevice Security Mode: Encrypted
Incoming Transport Type: TLS
Outgoing Transport Type: TLS
Incoming Port*: 5061

BDevice Security Mode: Encrypted
Incoming Transport Type: TLS
Outgoing Transport Type: TLS
Incoming Port*: 6061

CDevice Security Mode: Non-Secure
Incoming Transport Type: TCP+UDP
Outgoing Transport Type: TCP
Incoming Port*: 5060

DDevice Security Mode: Authenticated
Incoming Transport Type: TLS
Outgoing Transport Type: TLS
Incoming Port*: 6061

Question No: 12

MultipleChoice

D18912E1457D5D1DDCBD40AB3BF70D5D

Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C. An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing ''TLS negotiation failure''. What is causing this issue?

Options

AThe Expressway-E certificate includes the Expressway-C FQDN as a SAN entry

BThe Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate

CIn the UC Traversal Zone on the Expressway-C, the peer address is set to the IP of the Expressway-E,
which is not a SAN entry in the Expressway-E certificate

DThe Expressway-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate

Free Cisco 300-820 Exam Dumps September 2026