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Q21. RRQ, ARQ, DRQ, and IRR are all examples of ________ signaling messages.
A. H.225.0 RAS
Q22. To view an existing multiple-instance element's configuration you can go to the correct branch of the configuration tree and___________.
A. Typeis -a.
B. Enter the name of the element and then issue the show command.
C. Type show ?and select from the displayed list.
D. Type show <element name>.
E. Select the element and then issue the show command.
Q23. When configuring the Net-Net 4500, __________ SIP interface(s) is/are allowed per realm, and __________ SIP port (s) is/are allowed for a SIP interface.
A. Multiple; multiple
B. One; 1024
C. Multiple; 999
D. One; multiple
E. One; one
Q24. Which two signaling services are supported on the Net-Net 4500?
A. G.711 Back-to-Back linecoding
B. H.248 back-to-back virtual gateway and call agent
C. SIP-MGCP Inter-working function
D. MGCP back-to-back virtual gateway and call agent
E. H.323 to SIP codec transcoding
Q25. You are examining a SIP packet.
The only SIP method defined in IETF RFC documents that never receives a final response is:
Q26. Your Net-Net 4500 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?
A. Edge proxy
C. Back to Back User Agent
D. Media gateway
E. An IP edge router
Q27. Which header fields will a User Agent Client (UAC) use to communicate the SIP extensions, or options, it expects the corresponding User Agent Server (UAS) to support?
Q28. Given the output from the network interface configuration. When the Session Border Controller does not get an ARP response from the device configured as its gateway in the configured retry time period, it will___________.
A. Send traffic to the device configured in the sec-gateway field.
B. Decrement its health score to 50 which may result in a failover to the standby.
C. Use the Virtual Router Redundancy Protocol (VRRP) to determine a new default gateway.
D. Use the Virtual Router Redundancy Protocol (VRRP) to the host(s) instead of the primary gateway.
E. Decrement its health score to 85 which may result in a failover to the standby.
Q29. __________is the percentage of a Session Border Controller's peer advertisement time for the other peer in the high availability (HA) pair to wait before considering the peer out of service.
Q30. A steering pool defines__________.
A. A range of IP addresses used to route media flows as they egress the box.
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. 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.
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.