Remote Connectivity Flashcards
What is the signal rate for DS0?
1.544 Mbps
64 Kbps
2.048 Mbps
64 Kbps
DS0 operates at a constant rate of 64 Kbps
Which of the following provides the fastest throughput?
PSTN
ADSL
POTS
ADSL
ADSL can run up to 15 Mbps
What is the popular Microsoft remote access server program called?
RRAS
Dial-Up Networking
Dial-Up Server
RRAS
The popular Microsoft remote access server is called Routing and Remote Access Service, or RRAS
What device do you use to connect to a T1 line?
Router
CSU/DSU
Modem
CSU/DSU
A CSU/DSU is required to connect to a T1 line
BRI ISDN uses _______________.
24 B channels and 1 D channel
1 B channel and 2 D channels
2 B channels and 1 D channel
2 B channels and 1 D channel
BRI ISDN uses two B channels and one D channel
The V.90 standard defines a modem speed of _______________.
56 Kbps
- 6 K baud
- 8 Kbps
56 Kbps
The V.90 standard defines a 56-Kbps modem speed
You have just had DSL installed at your house. Although the Internet connection is fast, your phones no longer work. What is the problem?
The installer failed to install the POTS filters on the phones.
Nothing; the phones can’t function at the same time as the Internet.
The house phone lines can’t handle the bandwidth of both the phone and DSL.
The installer failed to install the POTS filters on the phones.
The problem is that the installer did not install POTS filters on the jacks with phones attached
What protocol do cable modems use?
ACMSIS
CMAS
DOCSIS
DOCSIS
Cable modems use DOCSIS (Data Over Cable Service Interface Specification)
What is SONET used for?
Short-distance, high-speed, fiber-optic transmission
Long-distance, high-speed, fiber-optic transmission
Long-distance, low-speed, copper cable transmission
Long-distance, high-speed, fiber-optic transmission
SONET is used for long-distance, high-speed, fiber-optic transmission
What does SIP stand for?
Standard Initiation Protocol
System Internetworking Protocol
Session Initiation Protocol
Session Initiation Protocol
Session Initiation Protocol; SIP is one of the main protocols for VoIP
