Your Session Border Controller is configured as the source and destination for all signaling messages and media streams coming into and leaving the provider's network.
Which two SIP functions does it provide? (Choose two.)
A. an IP edge router
B. Back-to-Back User Agent (B2BUA)
C. Edge proxy
D. Data firewall
E. Media gateway
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. It 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.
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
Which SIP headers in an incoming SIP message to the Session Border Controller are used by a local-policy configuration element for routing?
A. From and To headers
B. From header and Request-URI
C. Call-Id header
D. Contact header
E. Via and To headers.
Which two statements are true about a realm on the Session Border Controller?
A. It can only have one steering poolport per realm.
B. It is a layer 3 abstraction of a VoIP network.
C. It is a logical definition of a network or group of networks comprising devices that provide real-time communication.
D. It is a layer 5 abstraction of a VoIP network.
E. It is acollection of IP devices that perform IP routing functions.
Which statement is true about Session Border Controller architectures andrealm bridging?
A. The Hosted NAT Traversal (HNT) architecture focuses on the border point between two different service provider networks, both in the home realm.
B. The Hosted IP architecture focuses on the border point between one enterprise network realm and one service provider network realm.
C. The Access-backbone architecture focuses on the border point between two backbone realms.
D. The Peering architecture focuses on the border point between two different service provider networks and theirrealms.
E. The Gateway architecture Focuses on the border point between one enterprise network realm and one service provider network realm.
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 allow more than one configuration session within 24 hours.
B. The Session Border Controller does not support Telnet/SSH timeouts.
C. The Session Border Controller supports only one simultaneous configuration session, and the Telnet/ SSH timeouts are set to 0.
D. The Session Border Controller supports only 10 simultaneous configuration sessions.
E. The Session Border Controller supports only five simultaneous Telnet/SSH sessions.
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
You finished configuring a not Real Time Change (not RTC)-supported configuration element and you want to apply the change in your service.
Which two options are valid in order toaccomplish this? (Choose two.)
A. From user mode, execute the save-config and activate-config commands.
B. From configuration mode, execute the save-config, activate-config, and reboot commands.
C. From superuser mode, execute the save-config and activate-config and reboot commands.
D. From superuser mode, execute the save-config and activate-config commands.
E. From superuser mode, execute the save-config, activate-config, and reboot force commands.
The Session Border Controller ACLI is structured in a way that separates configuration of layers 3,4, and
5. This allows the system administrator to link each configuration together as needed for signaling and media routing purposes.
Which two options are valid to link signaling and media interfaces to a realm? (Choose two.)
A. Navigate to the iwf-config configuration element and set the media-interface-id parameter to the realm name.
B. Navigate to the account-config configuration element and set the realm-id parameter to the realm name.
C. Navigate to the network-interface configuration element and set the sip-interface-id parameter to the realm name.
D. Navigate to the steering-pool configuration element and set the realm-id parameter to the realm name.
E. Navigate to the sip-interface configuration element and set the realm-id parameter to the realm name.
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