Question 1

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.)

Options :

A :

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

B : You have not enabled policy-based realm-bridging

C :

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.

D : The value of the match-val-type parameter is not written correctly

E :

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

Answer: A,E

Question 2

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.)

Options :

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 3

What is the first thing you should do when you want the Session Border Controller to detect that anendpoint is behind a NAT/firewall device?

Options :

A :

Navigate to the sip-port configuration element and set the nat-traversal parameter to disabled

B :

Navigate to the sip-interface configuration element and set the nat-traversal parameter to never.

C :

Navigate to the sip-interface configuration element and set the nat-traversal parameter to always

D :

Navigate to the sip-port configuration element and set the nat-traversal parameter to enabled.

E :

Navigate to the sip-interface configuration element and set the nat-traversal parameter to detect

Answer: C

Question 4

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

Options :

A : The default community strings are acme and packet.

B : The default community stringsare public and private.

C : Community strings are in passive mode.

D : There are no default community strings.

E : Only one trap receiver can be configured.

Answer: B

Question 5

A steering pool defines _____________.

Options :

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

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