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Free TT0-201 Exam Braindumps (page: 20)

Page 19 of 49
PDF with 260 Questions

Consider the following set of entries in the primary zone for a DNS server:

www IN A 191.0.2.5r154243.wa.qwnet.com IN A 191.0.0.4smtp IN A 191.0.0.3sip IN CNAME r154243. wa.qwnet.com.

Which of the following best describes the information given above?

  1. Multiple names exist for the company's sip server.
  2. The names resolve to private IP addresses.
  3. This zone reroutes sip calls to an Application Service Provider (ASP).
  4. SIP-based calls require a CNAME entry to function in an IP network.

Answer(s): A



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

  1. Call forwarding.
  2. Call interruption.
  3. Voice mail.
  4. Instant messaging.

Answer(s): D



Voice quality from a SIP phone you have recently installed is experiencing voice quality issues.
Which of the following parameters should you consider?

  1. Change from DHCP to manual configuration.
  2. Change the media type to full duplex.
  3. Change the DNS server name.
  4. Change the host name so that it matches the naming convention of the other phones.

Answer(s): B



You are using symmetric Network Address Translation (NAT) in your network. You need a workaround for your SIP devices. You are using IP phones from multiple vendors, as well as open source SIP clients. Which of the following solutions will work to allow your SIP implementation to pass through your NAT solution?

  1. STUN
  2. UPnP
  3. TURN
  4. 802.1 p

Answer(s): C






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