Internet Connectivity Flashcards
Which of the following Internet services provides equal upload and download bandwidth? SDSL Modem PSTN DSL
SDSL
Which of the following are characteristics of VDSL? (Select two)
Unequal download and upload speeds.
Supports both data and voice at the same time.
Supports data traffic only (no voice)
Unequal download and upload speeds.
Supports both data and voice at the same time.
You are traveling throughout North America to many metropolitan and rural areas. Which single form of Internet connectivity provides the greatest potential connectivity wherever you travel? SDSL Modem DSL PSTN
PSTN
Which of the following Internet connection technologies requires that the location be within a limited distance of the telephone company central office? PSTN DSL SDSL Modem
DSL
Which two of the following describes the channels and data transfer rates used for ISDN BRI?
Unequal download and upload speeds.
Supports both data and voice at the same time.
One D channel operating at 16 Kbps.
Two B channels operating at 64 Kbps each.
DSL
One D channel operating at 16 Kbps.
Two B channels operating at 64 Kbps each.
To access the Internet through the PSTN, what kind of connectivity device must you use? SDSL DSL Modem PSTN
Modem
Which of the following is most susceptible to interference related to atmospheric conditions? DSL PSTN Satellite SDSL
Satellite
What is the maximum data rate of an ISDN BRI line? Modem PSTN DSL 128 Kbps
128 Kbps
Which three of the following are characteristics of ISDN?
- Unequal download and upload speeds.
- Supports both data and voice at the same time.
- One D channel operating at 16 Kbps.
- Two B channels operating at 64 Kbps each.
- Supports data traffic only (no voice)
- It provides enough bandwidth to transmit data at much higher speeds than standard modems and analog lines.
- It lets you transmit voice, video, and data over the same lines.
- It is a dial-up service that uses existing copper wires for the local loop.
It provides enough bandwidth to transmit data at much higher speeds than standard modems and analog lines.
It lets you transmit voice, video, and data over the same lines.
It is a dial-up service that uses existing copper wires for the local loop.
Which of the following services are available regardless of whether the telephone company network is available? 128 Kbps Modem Satellite Cable Modem
Cable Modem
Which WAN connection types uses digital communications over POTS? (Select Two) Satellite PSTN DSL ISDN DSL
DSL
ISDN
A healthcare organization provides mobile clinics throughout the world. Which network technology should you select to transfer patient statistical data to a central database via the Internet to ensure network connectivity for any clinic located anywhere in the world, even remote areas? SDSL Satellite PSTN Cable Modem
Satellite
Which of the following is a characteristic of SDSL?
Supports data traffic only (no voice) Cable Modem Satellite DSL ISDN
Supports data traffic only (no voice)
