Free TT0-201 Exam Braindumps (page: 11)

Page 10 of 49

Which of the following features is generally not found in a traditional PBX?

  1. Find me/Follow me.
  2. Voice mail.
  3. Call forwarding.
  4. Call interruption.

Answer(s): A



Why do the Real-time Transport Protocol (RTP) and the Real-time Transport Control Protocol
(RTCP) both use UDP rather than TCP?

  1. Connection Orientated Protocols such as TCP do not number packets so that they can be reordered at their destination.
  2. Connection-oriented protocols such as TCP do not allow efficient compression of data.
  3. Connectionless protocols eliminate the possibility of buffer underruns and are more secure
  4. A connectionless protocol such as UDP has no handshake or setup, thus lower network overhead.

Answer(s): D



You need to open the standard port forT.120 on your corporate firewall. What port should you open?

  1. TCP port 1720
  2. UDP port 1731
  3. TCP port 1503
  4. UDP port 1522

Answer(s): C



Which of the following describes the proper sequence of the TCP handshake?

  1. The client sends a REQ packet, the server sends a SYN packet, and then the client replies with an FIN packet, completing the handshake.
  2. The client sends a SYN packet, the server sends a SYN ACK packet, and then the client replies with an ACK packet, completing the handshake.
  3. The client sends a RST packet, server issues an ACK packet, and the client replies with an ACK packet, completing the handshake.
  4. The client sends a RST packet, the server sends a SYN packet, and then the client replies with an SYN ACK packet, completing the handshake.

Answer(s): B






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