IT Glossary - ITU Online IT Training
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IT Glossary
Key Terms To Know In The IT Industry

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

ZIP (Zone Improvement Plan)

A format used for compressing files and data to reduce file size and facilitate easier transfer.

You will find this term commonly used in General IT

Zip file

A zip file is a compressed archive file format that stores one or more files or directories in a compressed format.

You will find this term commonly used in Data Storage

Zoho CRM

A cloud-based customer relationship management platform for managing sales, marketing, and support in a single system.

You will find this term commonly used in CRM, Cloud Computing

Zombie

In the context of cybersecurity, a zombie refers to a compromised computer or device under the control of a hacker without the user's knowledge, typically used for malicious purposes such as launching DDoS attacks.

You will find this term commonly used in Cybersecurity

Zombie Code

Zombie code refers to sections of code within a software program that are no longer executed but remain in the codebase, often as a result of incomplete cleanup or refactoring.

You will find this term commonly used in Software Development

Zombie Process

In operating systems, a zombie process is a process that has completed execution but still has an entry in the process table, typically waiting for its parent process to retrieve its exit status.

You will find this term commonly used in Operating Systems

Zombie VM

A zombie VM (Virtual Machine) refers to a virtual machine instance that continues to consume resources despite being inactive or unused, often due to administrative oversight or misconfiguration.

You will find this term commonly used in Virtualization

Zonal Isolation

A networking concept in cloud environments that restricts resource visibility and access within specific zones for security and management.

You will find this term commonly used in Cloud Computing, Networking, Security

Zone

In IT, a zone refers to a logical division of a network where certain security policies and settings are applied.

You will find this term commonly used in Networking, Security

Zone File

A file stored on a server that contains mappings between domain names and IP addresses, crucial for DNS functioning.

You will find this term commonly used in Networking, DNS

Zoning

Zoning in IT refers to the process of dividing a storage area network (SAN) into smaller segments or zones to improve security and manageability.

You will find this term commonly used in Networking, Storage

Zoning Map

A zoning map is a graphical representation of the zoning regulations and designations within a geographical area, specifying how land can be used for different purposes such as residential, commercial, or industrial.

You will find this term commonly used in Geographic Information Systems (GIS)

Zoning Policy

Zoning policy refers to the set of rules and configurations that determine how zoning is implemented within a storage area network (SAN), specifying which devices can communicate with each other and restricting access between zones.

You will find this term commonly used in Networking, Security

ZooKeeper

An open-source server for highly reliable distributed coordination of cloud applications.

You will find this term commonly used in Cloud Computing, Distributed Systems

Zoom

Zoom is a video conferencing platform widely used for online meetings, webinars, and virtual events.

You will find this term commonly used in General IT, Communication

Zope

An open-source web application server written in Python, known for its flexibility and security features.

You will find this term commonly used in Development, Web Applications

ZScaler

A cloud-based security company providing services for transforming traditional network security into a cloud service.

You will find this term commonly used in Cloud Computing, Security

Zsh (Z Shell)

A Unix shell that can be used as an interactive login shell and as a powerful command interpreter for scripting.

You will find this term commonly used in General IT, Development

Zstd (Zstandard)

A fast compression algorithm providing high compression ratios, developed by Facebook for real-time compression.

You will find this term commonly used in Data Compression, Storage

ZTP (Zero Touch Provisioning)

An approach to quickly deploy network devices in large-scale networks automatically without manual intervention.

You will find this term commonly used in Networking, Automation

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