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Convergence Technologies Professional 2007 TT0-201 Test

TT0-201

QUESTION: 1Which of the following is a concern when implementing IPsec for SIP-based voice callsbehind a firewall that implements Network Address Translation (NAT)?

A. IPsec doesn't natively support SIPB. Encryption causes increased overheadC. You must implement tunnel mode using the AH security protocolD. You must implement transport mode using the AH security protocol

Answer: B

QUESTION: 2Which of the following describes how the host portion of IPv4 and IPv6 addresses arecreated?

A. ALL IPv4 and IPv6 host addresses are determined by ICANNB. ALL IPv4 and IPv6 host addresses are based on the host's MAC addressC. The host portion of an IPv4 address is determined by ICANN. The host portion of anIPv6 address is determined according to the multicast addressD. The host portion of an IPv4 address is determined arbitrarily according to the value ofthe subnet mask. The host portion of an IPv6 address is determined from the host's MACaddress

Answer: D

QUESTION: 3You have been given the following in CIDR notation: 152.2.100.1/25. How many subnetscan you create, and how many IP addresses can each subnet have?

A. 55 subnets, with 1024 addresses per subnetB. 126 subnets, with 512 addresses per subnetC. 128 subnets, with 126 addresses per subnetD. 1024 subnets, with 55 addresses per subnet

Answer: C

QUESTION: 4You have decided to use the following range of IP addresses: 172.16.0.0/24. Which of thefollowing will allow you to avoid deploying NAT traversal workarounds?

A. Deploy a STUN serverB. Deploy a Session Border Controller (SBC)C. Use registered IP addresses for all devices TT0-201

D. Use the default subnet mask for your IP address range

Answer: C

QUESTION: 5You have implemented DiffServ to describe a collection of service policies thatdetermine how your network equipment will classify and condition voice data in a trafficflow scheme. What is the accepted name for this group?

A. ClassB. GroupC. VLAND. Domain

Answer: D

QUESTION: 6You have been asked to recommend an appropriate network bandwidth for a medium tolarge business. This bossiness will use it for their IP phones, as well as their dataconnection. Which of the following would you recommend?

A. DS0B. DS1C. ISDN BRID. ISDN PRI

Answer: D

QUESTION: 7You are helping deign an SIP implementation for an existing network. Which of thefollowing is the most important element to verify?

A. Whether or not the company uses fibre-grade cablingB. Whether or not the company has implemented QoSC. Whether or not the company Web server supports SSLD. Whether or not the company layer 2 switches have fault tolerance in place

Answer: B

QUESTION: 8 TT0-201

Your customer has asked you to enable fax messages to be delivered to her computer soshe can read it in her e-mail. Which protocol should you implement on your convergencedevice?

A. T.30B. T.34C. T.37D. T.38

Answer: C

QUESTION: 9Which protocol does is generally used to establish calls in SIP implementations?

A. TCPB. UDPC. RTPD. H.225

Answer: B

QUESTION: 10Which of the following connects the foreign Exchange Station (FXS) portion of anAnalog Telephone Adapter (ATA) to an analog phone?

A. USB connectorB. RJ-11 connectorC. RJ-45 connectorD. RS-232 connector

Answer: B

QUESTION: 11In which of the following layers of the OSI/RM would you find the Session initiationprotocol (SIP)?

A. NetworkB. PhysicalC. SessionD. Application

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