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Oracle 1z0-404 Exam Practice Questions (P. 5)

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Question #21
Which configuration step is required to route a SIP call based on the value of the SIP INVITE Request-URI?
  1. A
    Navigate to the policy-attribute configuration element and configure the from-address parameter to match the Request-URI value.
  2. B
    Navigate to the policy-attribute configuration element and configure the to-address parameter to match the Request-URI value.
  3. C
    Navigate to the local-policy configuration element and configure the from-address parameter to match the Request-URI value.
  4. D
    Navigate to the local-policy configuration element and configure the to-address parameter to match the Request-URI value.
  5. E
    Navigate to the local-policy configuration element and configure the destination-address parameter to match the Request-URI value.

Correct Answer:
C

Question #22
You are adding peers to a Policy-Based Realm Bridging (PBRB) configuration.
Which two configuration steps, among others, are required? (Choose two.)
  1. A
    Navigate to the media-manager configuration branch and configure the realm-config configuration element.
  2. B
    Navigate to the session-router configuration branch and configure the sipd-address configuration element.
  3. C
    Navigate to the session-router configuration branch and configure the local-policy configuration element.
  4. D
    Navigate to the session-router configuration branch and configure the sip-nat configuration element.
  5. E
    Navigate to the media-manager configuration branch and configure the access-control configuration element.

Correct Answer:
AE

Question #23
What two problems do Network Address Translations (NATs) introduce into VoIP networks? (Choose two.)
  1. A
    There are no major concerns with NATs.
  2. B
    NATs block unsolicited incoming signaling and media.
  3. C
    NATs block unsolicited incoming signaling but allow incoming media.
  4. D
    NATs pinholes expire after a configurable time.
  5. E
    NATs devices can be overloaded by incoming registrations.

Correct Answer:
DE

Question #24
How does the SIP registrar server maintain the registered user’s information in its database?
  1. A
    by querying a DNS server
  2. B
    by querying an ENUM server
  3. C
    by creating a registration cache entry, which is an association between a layer 3 IP address and the User Agent (UA) Via address
  4. D
    by creating a location record, which is an association between the Call-ID and the User Agent (UA) Contact address
  5. E
    by creating a binding, which is an association between a globally unique SIP URI and the User Agent (UA) Contact address

Correct Answer:
D

Question #25
You want to prevent the Session Border Controller from generating a unique Call-ID and from modifying the dialog tags.
How would you accomplish this?
  1. A
    Navigate to the sip-interface configuration element and set the dialog-transparency parameter to disabled.
  2. B
    Navigate to the sip-config configuration element and set the dialog-mapping parameter to disabled.
  3. C
    Navigate to the sip-config configuration element and set the call-id-transparency parameter to disabled.
  4. D
    Navigate to the sip-config configuration element and set the dialog-transparency parameter to disabled.
  5. E
    Navigate to the sip-config configuration element and set the dialog-transparency parameter to enabled.

Correct Answer:
E
Reference -
http://luccisun.webfactional.com/sbc/SBC/NNSBCNOTE.html

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