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Total 70 Questions | Updated On: Nov 21, 2024

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Question 1

What is thedrawback of configuring Policy-Based Realm Bridging (PBRB) without the assistance of Header Manipulation Rules (HMRs)?

A : Topology hiding is incomplete.

B : The configuration requires a home realm to be defined, which can make privacy harder to achieve.

C : The configuration requires you to enable SIP-NAT bridging, which is complex.

D : The architecture is simple, and really designed for lab environments.

E : The performance is poor relative to other models

Answer: C

Question 2

You are troubleshooting a SIP routing issue and you haveaccess to the SIP call ow processed by the Session Border Controller. Which two steps are valid for troubleshooting this type of issues? (Choose two.)

A : It is necessary to locate the SIP session to troubleshoot and check if there is a 404 Routes Not Found SIP error message.

B : It is recommended to look for 183 Session Progress SIP error messages that indicate routing issues.

C : t is recommended to check the called number by looking at the Request-URI of the INVITE message and making sure it is a validnumber to be routed.

D : It is recommended to find the CANCEL method received by the Session Border Controller which typically identifies a SIP routing issue.

E : It is necessary to find an initial INVITE received by the Session Border Controller which getsa 503 Service Unavailable SIP error message.

Answer: D,E

Question 3

You are configuring a network interface to enable the Session Border Controller to use the interface for signaling and media. Identify two valid configuration steps for supporting VLAN 12 (Choose two.)

A : Navigate to the network-interface configuration element and set the sub-port-id parameter to 12.

B : Navigate to the network-interface configuration element and set the sub-port-id parameter to 0.

C : Navigate to the phy-interface configuration element and configure the hip-id parameter.

D : Navigate to the phy-interface configuration element and configure the pri-utility-address parameter.

E : Navigate to the network-interface configuration element and configure the name parameter.

Answer: A,C

Question 4

A steering pool defines _____________.

A : a range of ports used to route media flows as they egress the Session Border Controller

B : an IP address and port the Session Border Controller uses for steering media to the external media server

C : an IP address and range of ports the Session Border Controller will use to declare itself as the destination for media flows in a session

D : a range of IP addresses and a pool of ports the Session Border Controller will use to declare itself as the destination for all subsequent media flows in a dialog

E : arange of IP addresses used to route media flows as they egress the Session Border Controller

Answer: C

Question 5

You want to prevent the Session Border Controller from generating aunique Call-ID and from modifying the dialog tags. How would you accomplish this?

A : Navigate to the sip-interface configuration element and set the dialog-transparency parameter to disabled

B : Navigate to the sip-config configuration element and set the dialog-mapping parameter to disabled.

C : Navigate to the sip-config configuration element and set the call-id-transparency parameter to disabled.

D : Navigate to the sip-config configuration element and set the dialog-transparency parameter to disabled.

E : Navigate to the sip-config configuration element and set the dialog-transparency parameter to enabled.

Answer: E

Page: 1 / 14

Total 70 Questions | Updated On: Nov 21, 2024

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