Cloud Computing terminology

Question 1

What is cloud computing?

Answer 1

: Cloud computing is the delivery of computing services, including servers, storage, databases, networking, software, analytics, and intelligence, over the internet.

Question 2

What is a cloud service provider?

Answer 2

A cloud service provider is a company that offers cloud computing services to businesses and individuals.

Question 3

What is SaaS?

Answer 3

SaaS, or software as a service, is a model of cloud computing where software applications are delivered over the internet.

Question 4

What is IaaS?

Answer 4

IaaS, or infrastructure as a service, is a model of cloud computing where businesses can rent IT infrastructure, such as servers and storage, from a cloud provider.

Question 5

What is PaaS?

Answer 5

PaaS, or platform as a service, is a model of cloud computing where businesses can rent a cloud platform for developing, running, and managing applications.

Question 6

What is virtualization?

Answer 6

Virtualization is a technique for creating multiple virtual versions of a physical resource, such as a server, storage device, or operating system.

Question 7

What is a virtual machine?

Answer 7

A virtual machine is a software emulation of a physical computer that can run its own operating system and applications.

Question 8

: What is a container?

Answer 8

A container is a lightweight and portable software package that contains an application and all its dependencies, enabling it to run consistently across different computing environments.

Question 9

: What is multi-tenancy?

Answer 9

Multi-tenancy is a model of cloud computing where a single instance of a software application serves multiple customers, or tenants, using a shared infrastructure.

Question 10

What is hybrid cloud?

Answer 10

Hybrid cloud is a model of cloud computing that combines public and private cloud services, allowing businesses to run applications and services across different computing environments.

Question 11

Cloud Storage

Answer 11

A service model in which data is remotely maintained, managed, and backed up on a cloud storage server accessible through the internet.

Question 12

Public Cloud Storage

Answer 12

A cloud storage service provided by a third-party cloud storage provider that is accessible over the public internet.

Question 13

Private Cloud Storage

Answer 13

A cloud storage service provided within an organization’s own network or a private data center, offering better security and control over the data.

Question 14

Hybrid Cloud Storage

Answer 14

A combination of public and private cloud storage services that offer greater flexibility in managing and storing data.

Question 15

: Object Storage

Answer 15

A type of cloud storage that stores data as objects, typically using a unique identifier or key, enabling easier retrieval and management of data.

Question 16

Block Storage

Answer 16

A type of cloud storage that divides data into blocks, which can be individually managed and accessed, providing greater control over the data.

Question 17

Cloud Networking

Answer 17

A service model that allows organizations to utilize the cloud for networking capabilities, such as routing, switching, and virtual private network (VPN) connectivity.

Question 18

Virtual Private Network (VPN)

Answer 18

A secure, encrypted connection between two or more networks over the internet, providing remote access to resources on the network.

Question 19

Software-Defined Networking (SDN)

Answer 19

A networking architecture that separates the control plane from the data plane, allowing for centralized control of network functions and greater flexibility in managing network resources.

Question 20

Load Balancing

Answer 20

A technique used to distribute network traffic across multiple servers or network resources, improving network efficiency and availability.

Question 21

Domain Name System (DNS)

Answer 21

A system that translates domain names into IP addresses, allowing computers to locate resources on the internet.

Question 22

Remote Desktop Protocol (RDP)

Answer 22

A protocol that allows a user to remotely connect to and control a computer or server over the internet.

Question 23

Secure Shell (SSH)

Answer 23

A cryptographic network protocol used to secure network communications over an unsecured network, such as the internet.

Question 24

Redundancy

Answer 24

The use of multiple resources to ensure system availability and faster recovery in case of a failure, with minimal or no data loss.

Question 25

High Availability

Answer 25

The ability of a system to recover quickly and without significant impact on its performance or data integrity in case of a failure.

Question 26

Disaster Recovery

Answer 26

The process of recovering from a catastrophic event or disruption, often involving a predefined plan to minimize downtime and data loss.

Question 27

Recovery Objectives

Answer 27

The goals, metrics, and plans used to measure the effectiveness of a disaster recovery method, including recovery time objectives (RTOs) and recovery point objectives (RPOs).

Question 28

Network Latency

Answer 28

The delay or lag in data transmission over a network, often measured in milliseconds (ms) and impacted by distance, congestion, and network quality.

Question 29

Bandwidth

Answer 29

The maximum amount of data that can be transmitted over a network in a given period, often measured in bits per second (bps) or megabits per second (Mbps).

Question 30

Network Security

Answer 30

The practices and technologies used to protect a network from unauthorized access, attacks, and data breaches, including firewalls, encryption, and authentication protocols.