Mell Which type of WAN topology incorporates many directly interconnected sites?
– In a star topology WAN, a single site acts as the central connection point for several other points. – A mesh topology WAN incorporates many directly interconnected sites, Because every site is interconnected, data can travel directly from its origin to its destination.
What is a device that translates computer signals to analog signals suitable for sending across phone lines?
Modem, (from “modulator/demodulator”), any of a class of electronic devices that convert digital data signals into modulated analog signals suitable for transmission over analog telecommunications circuits.
Which type of Sonet OC is a popular choice for large businesses?
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| Question | Answer |
|---|---|
| Which SONET OC level is a popular choice for large businesses, and is equivalent to 100 T1s? | OC-3 |
| With a SIP trunk, what is the only limitation on the number of calls that can run at any one time? | The amount of available bandwidth. |
What is the T carrier communication technology quizlet?
The T-carrier concept is a dedicated, digital, leased-line service offering that employs TDM to multiplex channels and it operates in full duplex (FDX) mode. FT-1 service is cheaper than full T-1 subscription and provide T1 functions and features but involves fewer DS-0s.
Can a dial-up ISDN convert digital signals to analog?
T/F: Dial-up ISDN does not convert a computer’s digital signals to analog before transmitting them over the PSTN. True. T/F: ATM is a WAN technology that functions in the Data Link layer.
How are video signals converted to analog signals?
Graphic controllers take digital video signals and convert them to analog R, G, B for external display interface. Digital data to analog signal conversion is also common for industrial applications. For example, the 4-20 mA involves turning digital parameters into corresponding analog value current.
What kind of signal does an ISDN PRI use?
A ____ converts digital signals into analog signals for use with ISDN phones and other analog devices. 23 14. ISDN PRI uses ____ B channels and one 64-Kbps D channel. signal 15. The speed of a T-carrier depends on its ____ level. smart jack 16.
What do you call a digital to analog converter?
An analog to digital converter (Digital-To-Analog Converter), or DAC, is a device that transforms digital audio signals into analog audio. DACs are used by a wide variety music lovers, from audiophiles who want to enjoy high-quality digital music to sound engineers who use DAC chips to boost the audio quality of classic and modern recordings.