CCNA 1 Chapter 4

Transports bits across network media.

Connects devices to a network.

Physical connection using cables for data transmission.

Physical connection using radio waves for data transmission.

Wrapping data with protocol information for transmission.

Hardware and media transmitting network signals.

Converts bits into recognizable formats for devices.

Represents bit values on physical media.

Capacity of medium to carry data.

Time taken for data to travel between points.

Transfer rate of bits across media over time.

Usable data transferred minus overhead.

Common cabling type used in networks.

Signal weakening over long distances.

Interference from electromagnetic sources affecting signals.

Interference from radio frequency sources affecting signals.

Signal interference between adjacent wires.

Common cabling with twisted pairs, no shielding.

Cabling with shielding for better noise protection.

Cable with central conductor and shielding.

Regulates UTP cable types, lengths, and connectors.

Establishes electrical performance standards for cabling.

Pairs of wires twisted to reduce interference.

Standard connector for Ethernet networking.

Process of connecting cable ends to devices.

Protects UTP wires from physical damage.

Opposite polarity in twisted pairs reduces crosstalk.

Different twist rates help prevent crosstalk.

A type of UTP cabling standard.

UTP cabling standard supporting higher data rates.

Enhanced version of Category 5 for reduced crosstalk.

UTP standard for even higher bandwidth applications.

Unshielded Twisted Pair used in networking.

Interface for connecting RJ-45 connectors.

Wired identically on both ends for connecting different devices.

Wired differently to connect similar devices directly.

Transmits data as light pulses through glass fibers.

Fiber with a small core for long-distance transmission.

Fiber with a larger core for shorter distances.

Spreading of light pulse over time affecting signal strength.

Fiber-to-the-Home providing broadband services.

Type of fiber-optic connector for simplex connections.

Common fiber-optic connector for duplex connections.

Transmits data using electromagnetic signals.

Device connecting wireless clients to a network.

Hardware enabling wireless communication in devices.

Standard for wireless local area networks.

Standard for short-range wireless personal area networks.

Standard for broadband wireless access over long distances.

Low-power standard for IoT communications.

Communication mode allowing one device to transmit at a time.

Network where multiple devices share the same bandwidth.

Common networking technology for wired connections.

Guidelines to protect networks from unauthorized access.