Computer Requirements
- Administrative Station: Required for image capture, candidate check-in and other administrative tasks.
- Cache Proxy (or Internet Authentication Service (IAS) local server): This pc is required for storing test delivery information and temporary storage of candidate results.
- Testing Stations: Required for delivering tests (one testing station per candidate).
Required Operating Systems and Browsers for ETS Internet-Delivered Testing (iBT)
- Operating Systems
- Windows® 10 (32-bit and 64-bit)
- Browsers
- You must use Microsoft Internet Explorer® (IE) v10, v11 or Edge.
- Notes
- The operating system should reside on, and boot from, the computer's local hard disk. Virtual machines and thin clients are not supported.
- Macintosh® or iMac® are not supported or approved for use with test delivery on the TOEFL iBT® platform.
- Microsoft® Server Operating System or Linux® are not supported.
Local Area Network (LAN) and Internet Connectivity
Cache proxy, administrative and testing station computers should:
- Reside on a LAN in the same subnet to allow communication between test delivery applications without blocking of any ports.
- Be connected to the internet via a broadband internet connection with a minimum download speed of 4Mbps and upload speed of 1Mbps.
- Allow test delivery applications accessing TCP port 80 and 443 (more detailed technical requirements and whitelist information available in the Technical Configuration section).
Specifications for Administrative and Testing Stations
- Minimum Processor: Benchmark: 4000. Refer to the Passmark CPU Benchmark values.
- Minimum Installed Memory: 4 GB
- Minimum Free Memory: 1 GB
- Free Disk Space: 2 GB
- Display Adapter: 1024x768 resolution, with 32-bit color depth/65,536 colors
- Display Monitor: Widescreen monitors must support an aspect ratio of 4:3
- Display Monitor Screen Size: LCD/LED 15-inch or higher
- Sound Card: 44.1 KHz (or better) sample rate
Specifications for Cache Proxy (or IAS Local Server) Computers
- Maximum number of concurrent test takers: 40
- Minimum Processor: Benchmark: 4000. Refer to the Passmark CPU Benchmark values.
- Minimum Installed Memory: 4 GB
- Minimum Free Memory: 2 GB
- Minimum Free Disk Space: 5 GB
Technical Configuration
Test center technicians must review the technical configuration requirements and guidelines to ensure that they can configure the test center network and desktop environment for internet test delivery.