1z0-400 試験問題を無料オンラインアクセス

What does the host inet in the boot parameters of the Session Border Controller refer to?

• A.The IP Address assigned to wancom0 of the Net-Net SD
• B.The IP Address of the external BOOTP Server in which the image files reside and from
  which the Net-Net SD can boot
• C.The IP Address of the wancom1 of this Net-Net SD
• D.The IP Address of the Destination SIP Device with which the Net-Net SD needs to interact
• E.The IP Address of the external FTP Server in which the image files are reside, from which the Session Border Controller can boot

How does the Session Border Controller ensure that a pinhole is kept open for persistent communication to a SIP endpoint behind a NAT device?

• A.By sending messages at a defined frequency
• B.By sending ARP requests at a defined frequency
• C.By changing the expires= parameter to a defined value in 200 OK responses to REGISTERS
• D.By issuing PINGs to the endpoint's NAT address
• E.By changing the expires= parameter to a defined value in 200 OK responses to INVITEs

You are enabling management access on a network interface in the Session Border Controller. Which two are applicable?

• A.telnet-port
• B.add-snmp-ip
• C.add-hip-ip
• D.snmp-address
• E.set-hip

You are working with a Net-Net 4500 Session Border Controller.What will result from the execution of the delete-configuration command?

• A.Deletion of all configuration files stored in the /code/gzConfig directory.
• B.Deletion of the bootparameters: "target name" field.
• C.Both the "saved" and "running" configuration numbers are incremented by 1.
• D.Deletion of non-system default licenses.
• E.Automatic reboot of the operating system.

Which two signaling services are supported on the Net-Net 4500?

• A.H.248 back-to-back virtual gateway and call agent
• B.SIP-MGCP Inter-working function
• C.H.323 to SIP codec transcoding
• D.MGCP back-to-back virtual gateway and call agent
• E.G.711 Back-to-Back linecoding