Questions and Answers
What is a common internet connection type in the home referred to as?
Broadband communication
What is the standard used on cable networks to send data across to cable modems?
DOCSIS
What makes ADSL (asymmetric digital subscriber line) connections very easy to set up?
Use of existing telephone lines
What does DOCSIS stand for?
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What is the maximum speed that can be achieved on cable modem connections?
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What different types of traffic are commonly found on cable modem connections?
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What type of communication sends information over many different frequencies on the same wire?
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What is technically referred to as asymmetric digital subscriber line (ADSL)?
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What is the term for connecting a laptop to a mobile phone to provide internet connectivity?
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What is the name of the wireless high-speed internet connectivity service mentioned in the text?
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How do mobile devices communicate with the internet according to the text?
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In which scenario can anyone in the local area use your internet connectivity on your phone to provide internet access for all devices?
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What type of communication does line-of-sight internet service rely on?
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Which type of service is usually slower and uses lower frequencies according to the text?
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What does WiMAX stand for?
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What is the purpose of setting up multiple antennas in a geographical area for cellular networks?
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Which internet connectivity type requires proximity to a central office (CO) and has speeds decreasing with distance?
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What is the speed of download and upload for a typical DSL connection?
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Which type of internet connectivity is known for being much slower, with speeds of 56 kbps or compressed up to 320 kbps?
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What is the average download and upload speed for satellite networking?
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What are the two versions of ISDN (Integrated Services Digital Network)?
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What is the typical use of PRI in terms of communication?
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Which type of internet connectivity enables high-speed networking, increased bandwidth, and capability for multiservice delivery?
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What is the maximum limit of distance for DSL internet connectivity?
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What is the maximum distance limit for DSL internet connectivity?
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What is the typical download speed for satellite networking according to the text?
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Which type of internet connectivity uses an older technology with two versions: Basic Rate Interface (BRI) and Primary Rate Interface (PRI)?
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What is a typical upload speed for DSL internet connectivity?
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Which type of internet connectivity enables HD channel connectivity and data transfer to the cloud?
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What is the maximum number of bearer channels supported by Primary Rate Interface (PRI) in ISDN?
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Which type of internet connectivity allows communication directly to a satellite for internet access?
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What does ISDN stand for in the context of internet connectivity?
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What is the maximum download and upload speed typically found on cable modem connections?
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Which standard is used on cable networks to send data across to cable modems?
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What is the typical download and upload speed for a DSL connection?
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What is the term for connecting a laptop to a mobile phone to provide internet connectivity?
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What type of communication sends information over many different frequencies on the same wire?
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What is the name of the wireless high-speed internet connectivity service mentioned in the text?
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What makes ADSL (asymmetric digital subscriber line) connections very easy to set up?
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What is the purpose of setting up multiple antennas in a geographical area for cellular networks?
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What type of wireless internet service is able to provide access over a very wide geographical area?
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What is the term for connecting many devices to your mobile phone over 802.11 wireless connectivity to provide internet access for all of them?
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What is the typical use of line-of-sight internet service?
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What is the maximum speed that can be achieved on cable modem connections?
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What is the name of the wireless high-speed internet connectivity service provided by putting an antenna outside of your house and accessing WiMAX antennas in the area?
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What is the maximum distance limit for DSL internet connectivity?
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What does DOCSIS stand for in terms of cable modem connections?
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What makes ADSL (asymmetric digital subscriber line) connections very easy to set up?
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Study Notes
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DSL (Digital Subscriber Line) internet connectivity requires proximity to a central office (CO), with speeds decreasing as distance increases and maximum limit around 10,000 feet.
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Download speed: 52 Mbps; upload speed: 16 Mbps, but these numbers can vary.
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Dial-up connections (using analog voice telephone lines) are much slower (56 kbps or compressed up to 320 kbps), making them difficult for mass usage.
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Fiber internet is increasingly being used at home, offering high-speed networking, increased bandwidth, and capability for multiservice delivery (voice, video, data).
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Fiber provides HD channel connectivity and data transfer to the cloud.
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Satellite networking allows communication directly to a satellite for internet access, with average speeds of 50 Mbps download and 3 Mbps upload, but high latency and vulnerability to rain interference.
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ISDN (Integrated Services Digital Network) is an older type of internet connectivity with two versions: Basic Rate Interface (BRI) and Primary Rate Interface (PRI).
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BRI consists of two 64 kbps bearer channels and a 16 kbps signaling channel.
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PRI is delivered over a T1 or E1 connection and supports up to 23 or 30 bearer channels and a signaling channel.
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PRI is commonly used for voice communications, especially for businesses not converting to Voice over IP (VoIP).
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Cellular networks enable internet access from almost anywhere.
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DSL (Digital Subscriber Line) internet connectivity requires proximity to a central office (CO), with speeds decreasing as distance increases and maximum limit around 10,000 feet.
-
Download speed: 52 Mbps; upload speed: 16 Mbps, but these numbers can vary.
-
Dial-up connections (using analog voice telephone lines) are much slower (56 kbps or compressed up to 320 kbps), making them difficult for mass usage.
-
Fiber internet is increasingly being used at home, offering high-speed networking, increased bandwidth, and capability for multiservice delivery (voice, video, data).
-
Fiber provides HD channel connectivity and data transfer to the cloud.
-
Satellite networking allows communication directly to a satellite for internet access, with average speeds of 50 Mbps download and 3 Mbps upload, but high latency and vulnerability to rain interference.
-
ISDN (Integrated Services Digital Network) is an older type of internet connectivity with two versions: Basic Rate Interface (BRI) and Primary Rate Interface (PRI).
-
BRI consists of two 64 kbps bearer channels and a 16 kbps signaling channel.
-
PRI is delivered over a T1 or E1 connection and supports up to 23 or 30 bearer channels and a signaling channel.
-
PRI is commonly used for voice communications, especially for businesses not converting to Voice over IP (VoIP).
-
Cellular networks enable internet access from almost anywhere.
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