Unit 4 and 5 Study Guide - CompTIA ITF+ - Spring 2024

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Across
  1. 3. A cable that provides connectivity between network devices. A common network cable connects a computer's network interface with a wall jack.
  2. 7. A cable that uses light pulses to transmit data instead of electrical signals.
  3. 9. A feature of radio waves where the signal becomes weaker as the wave travels further from its point of origin.
  4. 10. A technology that uses phone lines to establish high-speed connectivity to the internet through an ISP.
  5. 11. A technology that uses cable TV lines to establish high-speed connectivity to the internet through an ISP.
  6. 13. Dense material (such as steel) or electronic devices (such as cordless phones) that reduce or block Wi-Fi signals.
  7. 14. A cable that provides transmission on a network through its inner wire in the form of electrical signals. The wire is made up of four different components: an inner conductor, an insulator made of flexible PVC, a metallic shield, and a plastic jacket coating.
  8. 15. The process of providing access to a computer through the mobile device's cellular connection.
Down
  1. 1. A technology that sends signals to and from a satellite to establish connectivity to the internet through an ISP.
  2. 2. A cable that transmits data through electrical signals and provides better signals because of its eight unique plastic-coated copper wires that are twisted into four pairs.
  3. 4. A technology that uses radio signals to connect a device to an access point.
  4. 5. A characteristic of a radio signal that carries digital information in a wireless network. 802.11 standards specify two frequencies, 2.4 GHz and 5 GHz.
  5. 6. Any wired network that conforms to the 802.3 protocols developed and maintained by the IEEE.
  6. 8. A technology that uses cellular radio signals to establish connectivity to the internet.
  7. 12. A technology used in the early days of the internet that required a computer to make a phone call to the ISP to establish internet connectivity.