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Which two statements are true about a realm on the Session Border Controller?

• A.It is a logical definition of a network or group of networks comprising devices that provide real-time communication.
• B.It can only have one steering poolport per realm.
• C.It is a layer 3 abstraction of a VoIP network.
• D.It is a layer 5 abstraction of a VoIP network.
• E.It is acollection of IP devices that perform IP routing functions.

You were working with the Session Border Controller in configuration mode and you forgot toclose your session. Your colleague who connected after you left says that he cannot enter into configuration mode.
Why is your colleague not able to configure the Session Border Controller?

• A.The Session Border Controller does not support Telnet/SSH timeouts.
• B.The Session Border Controller supports only one simultaneous configuration session, and the Telnet/SSH timeouts are set to 0.
• C.The Session Border Controller supports only five simultaneous Telnet/SSH sessions.
• D.The Session Border Controller does not allow more than one configuration session within 24 hours.
• E.The Session Border Controller supports only 10 simultaneous configuration sessions.

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

• A.The architecture is simple, and really designed for lab environments.
• B.The configuration requires you to enable SIP-NAT bridging, which is complex.
• C.The configuration requires a home realm to be defined, which can make privacy harder to achieve.
• D.Topology hiding is incomplete.
• E.The performance is poor relative to other models.

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

• A.Navigate to the session-router configuration branch and configure the sip-nat configuration element.
• B.Navigate to the session-router configuration branch and configure the sipd-address configuration element.
• C.Navigate to the media-manager configuration branch and configure the access-control configuration element.
• D.Navigate to the media-manager configuration branch and configure the realm-config configuration element.
• E.Navigate to the session-router configuration branch and configure the local-policy configuration element.

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 andthe MAC utility address
• B.the IP utility address and its hardcoded MAC address
• C.the virtual IP address and its virtual MAC address
• D.the virtual IP address and its hardcoded MAC address
• E.the IP utility address and its virtual MAC address