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Oracle Communications Session Border Controller Implementation Essentials

Question No: 11

What needs to be done to enable Physical Interface Redundancy (phy link redundancy)?

  1. Set link-redundancy-state to enabled in the system-config.

  2. Set link-redundancy to enabled in the system-config.

  3. Set link-redundancy-state to enabled in the network-interface.

  4. Set link-redundancy to enabled in the network-interface.

  5. Run the superuser command enable phy-redundancy.

Answer: C

Question No: 12

What does the host inet in the boot parameters of the Session Border Controller refer to?

  1. The IP Address of the external FTP Server in which the image files are reside, from which the Session Border Controller can boot

  2. The IP Address assigned to wancom0 of the Net-Net SD

  3. The IP Address of the Destination SIP Device with which the Net-Net SD needs to interact

  4. The IP Address of the wancom1 of this Net-Net SD

  5. The IP Address of the external BOOTP Server in which the image files reside and from which the Net-Net SD can boot

Answer: C

Question No: 13

Local policy policy-attribute configuration includes configuration elements for each of the following except .

  1. Date

  2. Days-of-week

  3. Cost

  4. Start-time

  5. End-time

Answer: D

Question No: 14

In high availability (HA) architectures, requests from the standby node result in information about state changes being pulled by the standby Session Border Controller (SBC) from the active SBC.Two checkpointed states include:

  1. Alarm state

  2. Media state

  3. Signaling state

  4. Dormant state

  5. Admin state

Answer: B,C

Question No: 15

Which two parameters MUST be specified when configuring a local policy for SIP Peering?

  1. sip-nat

  2. from-address

  3. sipd

  4. to-address

  5. ingress-policy element and egress-policy element

Answer: B,D

Question No: 16

Which two Net-Net 4500 Realm Bridging models are valid in a SIP environment?

  1. Single SIP-NAT Hosted in a Private Network (SSHPN)

  2. Single SIP-NAT Homed in an Access Network (SSNHAN)

  3. Multiple SIP-NATs Homed in an Access Network (MSMHAN)

  4. Policy-Based Realm Bridging with Header Manipulation Rules (PBRB-HMR)

  5. Policy-Based SIP-Realm-NAT (PBSRN)

Answer: B,D

Question No: 17

You mape a configuration change to a media interface.

Which command must be executed in order to commit the changes to volatile memory?

  1. save-config

  2. commit-config

  3. activate-config

  4. write-config

  5. done

Answer: C

Question No: 18

You want the Session Border Controller to detect that an endpoint is behind a NAT/firewall

device.What value do you set for the nat-traversal parameter?

  1. Always

  2. Never

  3. Enabled

  4. Disabled

  5. Detect

Answer: C

Question No: 19

RRQ, ARQ, DRQ, and IRR are all examples of signaling messages.

A. H.225.0 RAS

B. Q.931 C. H.239 D. H.245 E. H.248

Answer: D

Question No: 20

The h245-stage parameter in the h323-stack element determines .

  1. The stage at which the Net-Net 4500 will start tunneling H.245 messages

  2. The point in the call where H.245 messages are allowed after the call has been connected

  3. The stage at which the Net-Net 4500 will indicate that a separate H.245 connection must be opened

  4. The point at which H.245 will appear on the TCP/IP stack

  5. That two associated h323-stacks have a gatekeeper field defined

Answer: C

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