TT0-201 Exam Questions

Receiving a fax as an e-mail attachment is an example of which technology?

In which of the following layers of the OSI/RM would you find Session Initiation Protocol (SIP)?

Which of the following are common elements of a Call Detail Record (CDR)?

When calculating bandwidth consumption, which of the following factors should you consider?

Your team has determined that the voice quality of a video transmission is too low. What Mean Opinion Score (MOS) would indicate a low level of voice quality?

Which of the following best describes differences between DiffServ and 802.1p?

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

Which type of delay is most likely to cause jitter?

How would you represent the IP address and subnet mask for 152.2.100.1/25?

Consider the following entry: $ORIGIN 7.7.0.0.5.7.2.2.0.6.1.e164.arpa. IN NAPTR 102 10 "u" "sip+E2U" "!^.*$!sip:[email protected]!i" . From the information given, wha...

Which ITU standard allows you to share applications in real time?

Your company's users on the primary LAN have been given soft phones on their personal computers to make voice calls. You have implemented a VLAN. What priority should you mark the...

Which of the following best describes how an H.323 node operates during the call setup phase?

When a technician connects a North American T1 trunk to a European E1 trunk using a conversion device, which of the following will result?

Which of the following is essential for implementing Telephone Number Mapping (ENUM)?

Which device inspects incoming packets, makes dynamic routing decisions based on the source and destination IP addresses, and is considered the most appropriate device to use when...

You require an architecture that provides the following: - Support for both packet-switched and circuit-switched calls - Support for fixed and mobile voice calls and data transmiss...

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

Which of the following are basic configuration settings for a wireless NIC?

While conducting a network health check, you check to see if the network can accommodate an SIP VoIP implementation. Which network issue needs to be addressed most urgently before...

Which device is generally used to enable find-me/follow-me services by enabling call forking?

Which of the following is a potential drawback of using private IP addresses?

A technician has been trying to determine whether or not the e-mail service is operating on an SIP-enabled device. She issues the following command from a terminal: telnet gateway....

You have just installed a wireless access point that you plan to use for voice and video calls. Which settings can you put in place to enable you to prioritize multiple traffic str...

What are the four access categories defined by Wireless Multimedia Extensions (WME), in order from highest to lowest priority?

You are troubleshooting a problem in which several IP phones cannot access an SIP proxy. You have been told that all SIP proxies and clients in the company are using the standard p...

Which of the following will allow you to avoid deploying NAT traversal workarounds?

You have installed 100 IP phones in a new subnet. None of the phones in this new subnet can receive IP addresses from the company DHCP server that resides on a separate subnet. Whi...

Given a 21st century Ethernet network, which of the following must be used by both an 802.11i WiFi card and an IP-enabled PBX network adapter?

The IP phones for the sales department reside in Subnet A, while the IP PBX resides in Subnet B of the same network. All network switches and routers are properly configured. A tec...

Which parameter is established during the TCP handshake?

Which of the following are common elements of a Call Detail Record (CDR)?

You must explain to your supervisor the benefits and drawbacks of Network Address Translation (NAT) for your new voice network. You will be implementing SIP-based calls between a c...

Which of the following best describes IPsec tunnel mode?

Which encryption strategy (included in all WiFi devices) would you implement in order to secure traffic in your WLAN while limiting the cost to the organization?

Which of the following can reduce the amount of bandwidth consumed by a codec during a voice conversation by up to 50 percent?

Which protocol allows routers and switches to read the same header and direct a packet along a set of predetermined paths based on a special fixed-length value?

Customers have called complaining that their VoIP call quality has decreased. You suspect a problem with your routers. Which action will most likely help you determine the specific...

Which codec is often specified as the default when implementing H.323?

Which problem in a PSTN circuit can cause noise that gets reflected in a convergence call and thus reduces call quality?

You have just changed codecs from G.711 to G.729. What is the resulting change in voice quality?

Which Layer 2 switching technology(ies) could you configure that would provide the most improvement to voice quality in a LAN?

You are implementing H.323, and you have been directed to "sniff" the network connection. What protocol does H.225 use to send and receive call signaling messages?

Which of the following does an Analog Telephone Adapter (ATA) use to connect directly to a data network?

How many analog samples occur per second during Pulse Code Modulation (PCM), as defined by the G.711 codec?

Which of the following describes the ability to seamlessly combine e-mail, voice, real-time applications and Web chat features for a call center representative to use?

The IP phones for the sales department reside in Subnet A, while the IP PBX resides in Subnet B of the same network. All network switches and routers are properly configured for ea...

Which of the following is the most likely cause of static electricity problems with convergence equipment?

Which of the following is a standard procedure when preparing the existing LAN infrastructure of an office complex to accommodate a convergence solution?

You need to open the standard port for T.120 on your corporate firewall. Which port should you open?