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Oracle Communications Session Border Controller 7 Basic Implementation Essentials

Question No: 21

Which SIP headers in an incoming SIP message to the Session Border Controller are used by a local-policy configuration element for routing?

  1. From and To headers

  2. From header and Request-URI

  3. Call-Id header

  4. Contact header

  5. Via and To headers.

Answer: D

Question No: 22

You need to configure the Session Border Controller toperform load balancing between two downstream SIP proxies.

Which option shows the configuration elements that you should configure for the load balancing feature?

  1. session-router and router-group

  2. realm-config and enum-group

  3. group-policy andload-policy

  4. proxy and proxy-pool

  5. local-policy and session-group

Answer: A

Question No: 23

You finished configuring a not Real Time Change (not RTC)-supported configuration element and you want to apply the change in your service.

Which two options are valid in order toaccomplish this? (Choose two.)

  1. From user mode, execute the save-config and activate-config commands.

  2. From configuration mode, execute the save-config, activate-config, and reboot commands.

  3. From superuser mode, execute the save-config and activate-config and reboot

    commands.

  4. From superuser mode, execute the save-config and activate-config commands.

  5. From superuser mode, execute the save-config, activate-config, and reboot force commands.

Answer: A,D

Question No: 24

What is used by the standby Session Border Controller to send ARP requests via the media interface in a High Availability (HA) architecture?

  1. the IP utility address and its virtual MAC address

  2. the virtual IP address and its hardcoded MAC address

  3. the IP utility address and its hardcoded MAC address

  4. the virtual IP address and its virtual MAC address

  5. the IP utility address andthe MAC utility address

Answer: C

Question No: 25

After configuring Header Manipulation Rules (HMRs) for topology hiding, your subsequent testing shows that the manipulation is not takingeffect.

Identify two causes for this (Choose two.)

  1. You have not configured the out-manipulationid parameter of the sip-interface configuration element.

  2. You have not enabled policy-based realm-bridging.

  3. The value of the name parameter in the header-rule configuration element is different than the value of the out-manipulationid parameter in the sip-interface configuration element.

  4. The value of the match-val-type parameter is not written correctly.

  5. The home-proxy-address value does not matchthe $LOCAL_IP value in the new-value parameter.

Answer: A,E

Question No: 26

Which statement is true when SNMP access is enabled to the Session Border Controller?

  1. The default community strings are acme and packet.

  2. The default community stringsare public and private.

  3. Community strings are in passive mode.

  4. There are no default community strings.

  5. Only one trap receiver can be configured.

Answer: B

Question No: 27

From which Session Border Controller node in a high availability (HA) pair, could a network administrator trigger a system switchover manually by issuing the notify berpd force command?

  1. Secondary only

  2. Active node that no longer has a heartbeat

  3. Standby only

  4. Active only

  5. Standby orActive

Answer: D

Question No: 28

You are adding peers to a Policy-Based Realm Bridging (PBRB) configuration. Which two configuration steps, among others, are required? (Choose two.)

  1. Navigate to the media-manager configuration branch and configure the realm-config configuration element.

  2. Navigate to the session-router configuration branch and configure the sipd-address configuration element.

  3. Navigate to the session-router configuration branch and configure the local-policy configuration element.

  4. Navigate to the session-router configuration branch and configure the sip-nat

    configuration element.

  5. Navigate to the media-manager configuration branch and configure the access-control configuration element.

Answer: A,E

Question No: 29

Which two statements describe the functions of Session Border Controllers? (Choose two.)

  1. they replace typical edge routers and firewalls in order to provide a unified network border forsignaling and media control

  2. they are session-aware devices that enable control of end-to-end interactive communications across IP network borders

  3. they are based on the Windows operating system

  4. they provide routing functions for IP, TCP, and SMTPusing application parameters

  5. they provide signaling proxy functions for SIP, H.323, and MGCP, which includes access control, signaling constraints, and topology hiding

Answer: A,E

Question No: 30

When setting up the registration-caching parameter to enabled in the sip-interface configuration element, .

  1. the Session Border Controller will never use the SIP-NAT mechanism for routing

  2. the Session Border Controller will not use the registration cache for routing

  3. all endpoints in the realm will be cached when registered

  4. only endpoints behind NAT in the realm will be cached when registered

  5. the Session Border Controller will never use the local-policy mechanism for routing

Answer: A

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