Set 6 Flashcards
(22 cards)
Cable Lock
A physical security device used to secure laptops or desktops by locking them to a stationary object.
Cable Modem
A device that modulates and demodulates data signals for internet access via coaxial cable.
Cable Tester
A tool used to check the integrity and wiring of network or other cables.
Cache (Disk)
A small, fast memory area on a disk or controller that stores frequently accessed data to improve performance.
Cache (L1, L2, L3, etc.)
Levels of CPU cache that store instructions/data close to the processor.
L1: Smallest and fastest, inside CPU cores
L2: Larger, slightly slower
L3: Shared cache among cores, larger and slower
Calibration
The process of adjusting a device (like a printer or monitor) to ensure accurate performance.
Card Reader
A device that reads data from memory cards (SD, microSD) used in cameras, phones, or storage.
Cat 5
An Ethernet cable standard supporting up to 100 Mbps speeds over 100 meters.
Cat 5e
Enhanced Cat 5 cable supporting up to 1 Gbps with reduced crosstalk.
Cat 6
Ethernet cable supporting up to 10 Gbps at shorter distances with improved shielding.
Cat 6a
Augmented Cat 6 cable that supports 10 Gbps at longer distances (up to 100m) with better shielding.
Cat 7
High-performance Ethernet cable supporting 10 Gbps or more with extensive shielding and higher frequencies.
Catastrophic Failure
A complete and sudden failure of hardware or system causing total loss of functionality.
cd
(Change Directory). A command-line command used to navigate between folders (directories) in an operating system. For example, cd Documents changes the current location to the Documents folder.
Cellular Location Services
Technology that uses cell tower signals to determine a mobile device’s geographic location.
CA
(Certificate Authority). An entity that issues digital certificates to verify the identity of websites or users in public key infrastructure (PKI).
Chain of Custody
A documented process tracking the handling and control of digital evidence to ensure it remains untampered.
Change Board
A group of stakeholders who review and approve or reject proposed changes in an IT environment.
Change Documentation
Records detailing the nature, approval, implementation, and results of a change made in a system or process.
Change Management
A formal process to plan, approve, implement, and review changes to IT systems to minimize risk and impact.
Checksum
A calculated value used to verify data integrity by detecting errors in files or transmissions.
Chipset
A group of integrated circuits on a motherboard that manages data flow between the CPU, memory, and peripherals.
