You are configuring access rules in a Session Border Controller Peering architecture.
Which configuration step is required to allow access from any User Agent (UA)?
A. Navigate to thesip-port configuration element and set the allow-anonymous parameter to all.
B. Navigate to the realm-config configuration element and set the addr-prefix parameter to the IP subnet of your trusted User Agent (UA).
C. Navigate to the sip-port configurationelement and set the allow-anonymous parameter to address-prefix.
D. Navigate to the session-agent configuration element and set the ip-address parameter to the IP subnet of your trusted User Agent (UA).
E. Navigate to the sip-port configuration element and set the allow-anonymous parameter to agents-only.
You are configuring a sip-interface configuration element. You encounter the error message: Error 409 saving configuration SipInterface.
Identify the cause of the error.
A. You are creating a sip-port element with the same address parameter value of another sip-port.
B. You are creating a sip-port element with the same port parameter value of another sip- port.
C. You are creating a sip-port element with the same transport-protocol parameter value of another sip-port.
D. You are creating a sip-interface element with the same realm-id parameter value of another sip-interface.
E. You are creating a sip-interface element with a different realm-id parameter value of another sipinterface.
Which configuration step is correct for a phy-interface configuration element used for signaling and/or media?
A. A phy-interface elementmust be configured for each interface used for High Availability (HA) heartbeats, but not for signaling and/or media.
B. After configuring a phy-interface configuration element for signaling and/or media, a reboot of the Session Border Controller is required.
C. A phy-interface configuration element must be configured for each interface used.
D. A unique phy-interface configuration element is created for all signaling/media interfaces.
E. A phy-interface configuration element for signaling and/or media hasthe operation-type parameter set to control.
Which three statements are true about SIP, per RFC 326? (Choose three.)
A. SIP does not provide for resource reservation.
B. SIP defines native methods for negotiating media streams.
C. A SIP transaction occurs between a client and a server.
D. To set up a voice session, SIP relies on protocols such as SDP and RTP.
E. SIP signaling can only be used for voice over IP thereby limiting its use as a general signaling protocol.
Your customer would like to allow call attempts only from User Agents(UAs) who have previously registered through the Session Border Controller or who are configured as session agents.
How would you accomplish this?
A. Navigate to the sip-port configuration element and set the allow-anonymous parameter to agents-only.
B. Navigate to the session-agent configuration element and set the allow-anonymous parameter to prevregistered.
C. Navigate to the sip-port configuration element and set the allow-anonymous parameter to realm-prefix.
D. Navigate to the sip-port configurationelement and set the allow-anonymous parameter to registered.
E. Navigate to the session-agent configuration element and set the allow-anonymous parameter to 403forbidden.
What does the Session Border Controller do when the Adaptive Hosted NAT (HNT) feature is enabled?
A. It sends a periodic re-register command to each endpoint behind a NAT.
B. It creates a binding for the Address of Record (AOR) of an endpoint that is behind a NAT.
C. It creates a binding for the Address of Record (AOR) of an endpoint that is NOT behind a NAT.
D. It sends SIP OPTIONS at increasing intervals to test if an endpoint behind a NAT device is still reachable.
E. It sends ICMP PNGsto dynamically learn the binding time of an endpoint behind a NAT device.
You wantto configure the maximum duration in seconds of any session in the Session Border Controller.
How would you accomplish this?
A. Navigate to the media-manager configuration element and configure the max-signaling- bandwidth parameter.
B. Navigate to the media-manager configuration element and configure the flow-time-limit parameter.
C. Navigate to the sip-config configuration element and configure the operation-mode parameter.
D. Navigate to the sip-config configuration element and configure theflow-time-limit parameter.
E. Navigate to the media-manager configuration element and configure the latching parameter.
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?
A. Secondary only
B. Active node that no longer has a heartbeat
C. Standby only
D. Active only
E. Standby orActive
Which node automatically assumes the active role when peers boot simultaneously and their health scores are equivalent in a High Availability (HA) scenario?
A. the node with the highest wancom IP address
B. the node that is configuredas secondary C. the node that had the role of active last
D. the node with the lowest wancom IP address
E. the node with the highest round-robin score
Which configuration step is required to route a SIP callbased on the value of the SIP INVITE Request-URI?
A. Navigate to the policy-attribute configuration element and configure the from-address parameter to match the Request-URI value.
B. Navigate to the policy-attribute configuration element and configure the to-address parameter to match the Request-URI value.
C. Navigate to the local-policy configuration element and configure the from-address parameter to match the Request-URI value.
D. Navigate to the local-policy configuration element and configure the to-address parameter to match the Request-URI value.
E. Navigate to the local-policy configuration element and configure the destination-address parameter to match the Request-URI value.
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