Free TT0-201 Exam Braindumps (page: 21)

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Which of the following describes how the Realtime Control Protocol (RTCP) allocates a port when it is paired with the Realtime Protocol (RTP)?

  1. RTCP relies on the SIP proxy or H.323 gateway to determine the port used.
  2. RTCP allocates a port one greater than that used by RTP.
  3. RTCP uses UDP port 1719.
  4. RTCP uses TCP port 8080.

Answer(s): B



What mechanism does the Multimedia Extensions (WME) standard use to avoid contentions in a particular traffic category?

  1. Maximum Segment Size (MSS).
  2. Contention Window (CW).
  3. Auto-Rate Fallback (ARF)
  4. The TCP Sliding Window.

Answer(s): B



Which of the following is most likely to be used to identify a device to be called in a hunt group?

  1. A Media Access Control (MAC) address.
  2. A Virtual LAN Identifier (VID).
  3. A Canonical Format Indicator (CFI) entry.
  4. A Secure Set Identifier (SSID) entry.

Answer(s): A



Consider the following information:
You are outsourcing your e-mail server.A spam filter has been implemented.You are running an internal DNS
server.A Session Border Controller (SBC) is installed in the Demilitarized Zone (DMZ).
You wish all SIP phones in your domain to access a particular SIP server whenever they look up the following address: info@ctpcertified.com. Which of the following steps should you take?

  1. Contact your IT manager.
  2. Contact your ISP.
  3. Create a DNS AAAA record.
  4. Create a DNS SRV record.

Answer(s): D






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