Telecom Exam 3 E

Front 1

What protocol converts faxes to packets, and retransmits them to a sending fax gateway?

Back 1

T.38

Front 2

What protocol allows faxes to be attached to email messages as TIFF files?

Back 2

T.37

Front 3

What is a service that brings several communication services together in a single user interface?

Back 3

Unified messaging

Front 4

What is the act of issuing video signals from a server to a client in real time?

Back 4

Video streaming

Front 5

What describes the real-time transmission of images and audio between two locations?

Back 5

Videoconferencing

Front 6

What is a voice encoding and decoding technique that applies sophisticated mathematical models to voice samples?

Back 6

Vocoder

Front 7

MPLS continues to replace which long-distance data services?

Back 7

Frame relay and ATM

Front 8

__________ is the term for the convergence of real-time and non-real-time communications services such as telephony, instant messaging, video conferencing, speech recognition, voice mail, and email into a single interface.

Back 8

Unified communications

Front 9

SMTP operates from port _____.

Back 9

25

Front 10

What is the difference between VoIP and Internet Telephony?

Back 10

VoIP applies to any type of network, not just the Internet.

Front 11

On a VoIP network, what does a user have to do if she wants to move her telephone from her desk to a nearby conference room for the afternoon and continue to receive her calls?

Back 11

Simply plug her IP telephone into a wall jack in the conference room.

Front 12

What is an example of using VoIP for toll bypass?

Back 12

A company installs an IP-PBX, and then routes telephone calls over its multiple T-Is that connect five different locations across the country.

Front 13

Suppose a business is migrating from using analog telephones to using IP telephones. The network manager expects the process to last for a month. During the transition, how does the network ensure that employees who use IP telephones can call other employees who use conventional, analog telephones without using an outside line?

Back 13

She connects both the conventional analog telephone lines and the IP telephone lines to the IP-PBX that performs signal translation.

Front 14

A business has fully implemented VoIP on its office's internal telephone network. Next, it wants to allow its telecommuting employees to use their VPN connections to call the office from home. To do this, what new device must each telecommuter have at home?

Back 14

Gateway

Front 15

What is one drawback to the store-and-forward method of FoIP.

Back 15

Users cannot verify that the fax was received.

Front 16

What type of device is required for multiple clients to tap into the same video stream issued from one video server?

Back 16

Multipoint control unit

Front 17

When you view a music video over the web, what type of video service are you using?

Back 17

Broadcast

Front 18

What is an example of unified messaging?

Back 18

A sales rep dials a number to listen to her voice mail and email messages while she drives to a customer's location.

Front 19

What organization stands to gain the most from converting its telephone network to VoIP?

Back 19

An electronics components manufacturer with its HQ in California, production in Singapore and Hong Kong, DVD district sales offices across the US.

Front 20

On a Class 5 central VoIP network, what ensures that devices that rely on SS7 protocols can interpret data following H.323 protocols.

Back 20

Signaling gateway