Term 271
Dual In-line Memory Module
A Dual In-line Memory Module (DIMM) is a small circuit board that holds memory chips and plugs into a computer's motherboard to provide Random Access Memory (RAM).
Acronym study
Terms 271–300 of 956 220-1102 acronyms and key terms. Each entry includes a plain-English definition and a link to the full 800-word glossary page with exam context and practice questions.
Term 271
A Dual In-line Memory Module (DIMM) is a small circuit board that holds memory chips and plugs into a computer's motherboard to provide Random Access Memory (RAM).
Term 272
Due care is the legal and ethical duty of an organization to take reasonable steps to protect sensitive information and IT systems from harm.
Term 273
Due diligence is the process of systematically reviewing and verifying information, policies, and procedures to identify and manage risks before making a decision or taking an action in an IT or security context.
Term 274
Dumpster diving is the practice of searching through trash to find discarded information or equipment that can be used to compromise security.
Term 275
Dynamic ARP Inspection is a security feature that validates ARP packets on a network to prevent man-in-the-middle attacks by ensuring that only legitimate ARP messages are forwarded.
Term 276
Dynamic NAT is a method of mapping multiple private IP addresses to a pool of public IP addresses automatically, allowing many devices to share a limited number of public addresses.
Term 277
EAL, or Evaluation Assurance Level, is a numeric rating from 1 to 7 that measures how thoroughly a computer product has been tested for security, with higher numbers indicating more rigorous testing.
Term 278
EAP is a flexible authentication framework used in network access control, supporting multiple methods like passwords, certificates, and tokens.
Term 279
EAPoL is a network authentication protocol that encapsulates EAP frames over IEEE 802 LANs, enabling port-based access control.
Term 280
Economies of scale is the cost advantage that businesses get when production becomes more efficient as they grow larger, reducing the cost per unit.
Term 281
An edge location is a site deployed by a content delivery network that caches copies of data closer to users to reduce latency and improve access speed.
Term 282
An edge network is a distributed computing architecture that brings data processing and storage closer to the physical location where data is generated, rather than relying on a central data center.
Term 283
eDiscovery is the process of identifying, collecting, and producing electronic information for legal cases or investigations.
Term 284
Endpoint Detection and Response (EDR) is a cybersecurity technology that continuously monitors endpoint devices to detect, investigate, and respond to advanced threats.
Term 285
An EDR alert is a notification generated by Endpoint Detection and Response software when it detects potentially malicious activity or an anomaly on a device like a laptop, server, or workstation.
Term 286
Elastic scaling is the automatic addition or removal of computing resources to match current demand exactly, allowing systems to handle workload changes without manual intervention.
Term 287
Elasticity is the ability of a cloud system to automatically add or remove computing resources (like servers, storage, or bandwidth) in response to real-time changes in demand.
Term 288
Electrostatic discharge (ESD) is the sudden flow of electricity between two objects with different electrical charges, often caused by built-up static electricity, which can damage sensitive electronic components.
Term 289
An embedded SIM is a small, soldered chip inside a device that works like a traditional SIM card but can be programmed remotely, letting you switch mobile carriers without swapping a physical card.
Term 290
A Cisco IOS command that sets a password to protect privileged EXEC mode (enable mode) using a strong, one-way cryptographic hash (MD5 by default), replacing the weaker 'enable password' command.
Term 291
The Encrypting File System (EFS) is a Windows feature that encrypts individual files and folders on an NTFS volume so that only authorized users can read them.
Term 292
Encryption is the process of converting readable data into a secret code to prevent unauthorized access.
Term 293
An encryption key is a string of random characters used by an algorithm to lock (encrypt) and unlock (decrypt) data, ensuring only authorized parties can read it.
Term 294
Endpoint detection and response (EDR) is a cybersecurity solution that continuously monitors endpoint devices for suspicious activity and automatically responds to threats to stop attacks in real time.
Term 295
Endpoint protection is a security approach that safeguards devices like laptops, phones, and servers from malicious threats by monitoring, detecting, and blocking attacks at the device level.
Term 296
An endpoint security policy is a set of rules that controls how devices like laptops, phones, and servers connect to a network and what security protections they must have to keep data safe.
Term 297
Endpoint telemetry is the automated collection and transmission of security-relevant data from devices like laptops, servers, and phones to a central monitoring system for threat detection and analysis.
Term 298
Enterprise risk management is the systematic process of identifying, assessing, and responding to risks that could affect an organization’s ability to achieve its objectives.
Term 299
End of Life (EOL) is the date when a vendor stops selling, supporting, or patching a product, requiring migration to avoid security and compliance risks.
Term 300
EOS (End of Support) marks the date when a vendor stops providing technical assistance, patches, and firmware updates for a product.