What characterizes Software as a Service (SaaS)?

The characteristic that defines Software as a Service (SaaS) is its accessibility over the internet without the need for installation on local devices. This means that users can access SaaS applications through a web browser, making them convenient and easy to use from virtually any device with an internet connection. This model alleviates the burden of software installation and maintenance on user devices, as these responsibilities fall to the service provider, who manages the software in the cloud.

SaaS applications are typically offered on a subscription basis, allowing users to avoid upfront costs of software licenses and hardware. This approach fosters a more scalable and flexible usage model, where users can easily adjust their service levels based on changing needs.

Other characteristics of SaaS include regular updates and maintenance provided by the service provider and the ability for users to collaborate in real-time, enhancing productivity without the complications of traditional software deployment.

The other options do not align with the core principles of SaaS. For instance, requiring installation on local devices contradicts the fundamental nature of SaaS, which is designed to be accessed remotely. The concept of closing access for global users goes against the collaborative and accessible intent of SaaS solutions. Finally, while customization can be part of SaaS, the emphasis is typically on