Computer Science Chapter
7 2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, switch A device that provides a central point for cables in a network; more common than
hubs because it transfers data only to the intended recipient.
Network A system of two or more computers and communications devices linked by wired,
cables, or a telecommunication.
Power over Ethernet (PoE) A network standard in which both power and data are transferred via an Ethernet
network.
Phoneline/HomePNA A network standard in which computers are connected through ordinary telephone
wires.
3G A network standard in which devices communicate over cellular networks.
4G A network standard in which devices communicate over cellular networks.
WiMAX A communications standard that allows wireless communication across distances
up to 30 miles.
Hot zone An area in a wireless network where you can access the Internet.
Hotspot An area in a wireless network where you can access the Internet.
Data A raw fact, such as text or numbers. In networking, the programs and information
that are shared on a network.
Domain Controller A hardware device, such as a server, that regulates access to a network.
RJ-11 port In a network, an opening that accommodates telephone cables for data
transmission.
7 2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, switch A device that provides a central point for cables in a network; more common than
hubs because it transfers data only to the intended recipient.
Network A system of two or more computers and communications devices linked by wired,
cables, or a telecommunication.
Power over Ethernet (PoE) A network standard in which both power and data are transferred via an Ethernet
network.
Phoneline/HomePNA A network standard in which computers are connected through ordinary telephone
wires.
3G A network standard in which devices communicate over cellular networks.
4G A network standard in which devices communicate over cellular networks.
WiMAX A communications standard that allows wireless communication across distances
up to 30 miles.
Hot zone An area in a wireless network where you can access the Internet.
Hotspot An area in a wireless network where you can access the Internet.
Data A raw fact, such as text or numbers. In networking, the programs and information
that are shared on a network.
Domain Controller A hardware device, such as a server, that regulates access to a network.
RJ-11 port In a network, an opening that accommodates telephone cables for data
transmission.
