A. There is an internal server error.

B. You are trying to create an element with a unique identifier that already exists.

C. The element you are creating is corrupted.

D. The element you are trying to save does not exist.

E. You are trying to create a second instance of a single-instance configuration object.

A. A CANCEL method can terminate a dialog.

B. SIP sessions are terminated and re-originated as new sessions as they are routed through the Session Border Controller.

C. To avoid retransmissions, User Agents must forward received 100 Trying messages to their next hop.

D. The combination of the To tag, From tag, and Call-ID completely defines a peer-to-peer SIP relationship and is referred to as a dialog.

E. An initial INVITE will contain a From header tag and a To header tag as a globally unique identifier for the dialog.

A. Switchover-threshold

B. Ha-threshold

C. Emergency-threshold

D. Active-threshold

E. Health-threshold

A. An IP address and range of ports the Net-Net 4500 will use to declare itself as the destination for media flows in a session.

B. A range of IP addresses and a pool of ports Net-Net 4500 will use to declare itself as the destination for all subsequent media flows in a dialog.

C. A range of IP addresses used to route media flows as they egress the box.

D. An IP address and port the Net-Net 4500 uses for steering media to the external media server.

E. A range of ports used to route media flows as they egress the Net-Net 4500.

A. Multiple SIP-NATs Hosted in a Home Realm (MSNHHR)

B. Header Manipulation for SIP-NAT Realms (HMSNR)

C. Open System Interconnect (OSI)

D. Single SIP NAT Homed in a Trusted Network (SSNHTN)

E. SIP-NAT Bridge (SNB)

A. Source-realm(s)

B. Sip-interface

C. Home realm

D. Ingress-policy element and egress-policy element

E. Next-hop

A. Enter the name of the element and then issue the show command.

B. Select the element and then issue the show command.

C. Typeis -a.

D. Type show ?and select from the displayed list.

E. Type show <element name>.

A. RAS signaling address

B. Indication of transport method

C. An options field, which is used to carry any routing records used to route a call through multiple proxies.

D. A fragmentation field that is used when SIP messages are forked and grow too large to fit in a standard IP packet.

E. A start-line which contains the type of message, a URI, and the SIP version.