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Oracle Communications Session Border Controller Implementation Essentials

Question No: 41

In a high availability (HA) pair, a network administrator could trigger a system switchover manually from the Session Border Controller by issuing the notify berpd force command.

  1. Standby or Active

  2. Active only

  3. Standby only

  4. Active node that no longer has a heartbeat

  5. Secondary only

Answer: D

Question No: 42

Which statement about the Net-Net 4500 is FALSE?

  1. The Net-Net 4500 can perform interworking between SIP REGISTER messages and

    H.323 RRQs (Registration Request).

  2. Different SIP Response Code mappings can be configured for each Soft-switch to which the Net-Net 4500 signals.

  3. MGCP to SIP interworking function (IWF) is not supported.

  4. The Net-Net 4500 media directing and control hides network topology at the forwarding level, while session routing and signaling hide it at the signaling level.

  5. The Net-Net 4500 is the source and destination for all signaling messages and media streams coming into and leaving the provider#39;s network.

Answer: B

Question No: 43

Which two statements about the Session Initiation Protocol (SIP) are TRUE?

  1. In SIP, the CSeq is incremented for each new transaction, except ACK, from a user agent within a dialog.

  2. SIP uses the Session Description Protocol to identify media details for the call being set up.

  3. A SIP ACK is used to acknowledge receipt of each message sent during call setup.

  4. SIP uses HTTP to send response codes, such as 403 Unavailable messages.

  5. SIP messages are formatted in MIME/64 hex format.

Answer: B,E

Question No: 44

The field allows you to set the health score at whichthe standby peer in a high availability (HA) scenario will switchover to the active state without waiting for any configured timers to expire.

  1. Emergency-threshold

  2. Health-threshold

  3. Active-threshold

  4. Switchover-threshold

  5. Ha-threshold

Answer: B

Question No: 45

Which two base capabilities best describe the Session Border Controller High Availability (HA) architecture?

  1. The Session Border Controller HA architecture offers one-to-many device protection.

  2. The Session Border Controller provides full HA capabilities without any special changes, just a simple configuration command.

  3. The Session Border Controller may be deployed in pairs to deliver HA, but only with a separately licensed feature.

  4. The Session Border Controller can only be configured to synchronize configuration state.

  5. The Session Border Controller can be configured to synchronize SIP call state and configuration state.

Answer: B,D

Question No: 46

What two bits of information may a SIP message contain?

  1. RAS signaling address

  2. Indication of transport method

  3. A fragmentation field that is used when SIP messages are forked and grow too large to fit in a standard IP packet.

  4. An options field, which is used to carry any routing records used to route a call through multiple proxies.

  5. A start-line which contains the type of message, a URI, and the SIP version.

Answer: B,E

Question No: 47

Which two configuration objects are NOT required to enable SIP signaling to traverse the Session Border Controller?

  1. steering-pool

  2. media-manager

  3. realm-config

  4. network-interface

  5. sip-interface

Answer: A,D

Question No: 48

When configuring the Net-Net 4500, SIP interface(s) is/are allowed per realm, and SIP port (s) is/are allowed for a SIP interface.

  1. Multiple; multiple

  2. One; 1024

  3. Multiple; 999

  4. One; multiple

  5. One; one

Answer: D

Question No: 49

What establishes, modifies and removes CAM entries for packet forwarding?

  1. Middle box Control Daemon (MBCD)

  2. Acme Control Protocol (ACP)

  3. Session Initiation Protocol Daemon (SIPD)

  4. Acme Packet Session Descriptor (APSD)

  5. Content Addressable Memory Daemon (CAMD)

Answer: C

Question No: 50

To replace the Session Border Controller#39;s running configuration with a previous configuration, perform the following:

  1. Use the exec last-known-good-config command.

  2. Use the restore-backup-config command.

  3. Use the restore-backup-config command, followed by save and activate.

  4. Use the activate-config command.

  5. Use display-backups, identify the configuration name and associated number, then issue the run-backup lt;numbergt; command.

Answer: C

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