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.

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

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

A. the IP utility address and its virtual MAC address

B. the virtual IP address and its hardcoded MAC address

C. the IP utility address and its hardcoded MAC address

D. the virtual IP address and its virtual MAC address

E. the IP utility address andthe MAC utility address

Which two functionalities are provided by Session Border Controllers? (Choose two.)

A. they span multiple networks and provide edge proxy functions between them

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

C. they enable premium interactive services across IP network borders by complementing existing edge routers

D. they provide routingfunctions for IP, TCP, and SMTP using application parameters.

E. they replace typical edge routers and firewalls in order to provide a unified network border for signaling and media control

You are associating network-interface configuration elements with a physical- interfaceconfiguration element on the Session Border Controller.

Which parameter must contain the same unique ID in these two configuration elements?

A. port-id

B. identifier

C. unique-id

D. name

E. sub-port-id