400-051 무료 덤프문제 온라인 액세스

Refer to the exhibit. A collaboration engineer using the Show eigrp service-family External-client IOS command, noticed that a CUCM failed to register as an external SAF Client on Cisco IOS router named Site CRTR. The engineer has collected snippets of the IOS configuration screenshots and CUCM trace shown in the exhibit.
What is the reason for the registration failure?

• A.SIP trunk IP address pointing to a different address than SAF Forwarder address
• B.Name mismatch between SAF Forwarder name info field and external-client name on router
• C.Sf-interface loopback0 command missing under service-family ipv4 autonomous-system 1
• D.IP multicast-routing command missing on router configuration
• E.Password mismatch between CUCM and Router SAF configuration

Under which three conditions will a Cisco 9971 IP Phone request the "xmldefault.cnf.xml" file from a TFTP server in a Cisco Unified CM cluster? (Choose three)

• A.Auto-registration is disabled on CUCM cluster
• B.The phone has not yet been defined in the CUCM database
• C.The phone is attempting to change from SIP firmware to SCCP firmware
• D.The phone is attempting to register to the CUCM cluster for the first time
• E.Auto-registration is enabled on CUCM cluster
• F.The phone is registered to the CUCM cluster but need to update its firmware

Refer to the exhibit. Which two phone security functions are available to this Cisco IP phone?
(Choose two.)

• A.encrypted call signaling and media
• B.encrypted call signaling but unencrypted call media
• C.default Authentication of TFTP downloaded files using a signing key
• D.encryption of TFTP configuration files using a signing key
• E.encrypted call media but unencrypted call signaling
• F.local trust verification on the phone

Which three parameters are requested in an Audit Endpoint message from a Cisco Unified CM to an endpoint on a MGCP gateway? (Choose three.)

• A.Connection ID
• B.Bearer Information
• C.Capabilities
• D.Connection Parameters
• E.Request Identifier
• F.Connection Mode
• G.Call ID
• H.Observed Events

Refer to the exhibit. Which dial-peer will be selected as the incoming dial-peer?

• A.dial-peer voice 90 voip
  session protocol sipv2
  answer-address 20..
• B.dial-peer voice 86 voip
  description Incoming dial-peer 1
  session protocol sipv2
  incoming called-number 200.
• C.voice class e 164-pattern-map 1
  e164 200.
  e164 2...
  e164 ^20..$
  dial-peer voice 88 voip
  session protocol sipv2
  incoming called e164-pattern map1
• D.dial-peer voice 87 voip
  description Incoming dial-peer 1
  session protocol sipv2
  incoming called-number 20..
• E.dial-peer voice 89 voip
  session protocol sipv2
  incoming called-number.T