Technical Configuration Requirements and Guidelines
Use the following technical configuration requirements and
guidelines to prepare your computers and network to administer exams. This
information applies to computers running all components of the testing system:
LSCP (cache proxy), administrative station and testing workstations unless
stated otherwise.
You may require assistance from the local technical staff
at your test center to implement these computer and network configurations.
Contact the helpdesk/technical support for any questions or concerns regarding
the information below.
1. Computer
Requirements:
STN/IT sites: Refer to the CTAS
Facility Requirements posted on the ETS CTAS website (https://www.ets.org/ctas/requirements) and the CLEP sites
can refer to the Test Delivery Requirements document posted on
the College Board website for the hardware, software, and connectivity specifications.
Hosting the LSCP does not require a computer running a server operating system. The operating system should reside on
and boot from the computer's local hard disk. Virtual machines and thin clients are not supported.
2. Administrative
Privileges: Administrative privileges are required to install
and operate Unify software on each computer. User Account Control must be set
to NEVER NOTIFY on the testing computers.
3. Windows
User Account/Login: The Unify applications are launched via desktop
shortcuts. These shortcuts are specific to the user's Windows profile. If a
different Windows account is used, the Unify shortcuts will not appear on the
desktop. To create shortcuts for a different user, launch the Unify application
from the Start menu.
4. Desktop Firewalls: We strongly recommend that desktop security firewalls (Internet Security Suites or Windows built-in firewalls) should be disabled or configured to allow unrestricted network communication between computers running the Administrative Station, LSCP, and Testing Workstation applications.
5. Internet Browser: The test delivery system does not require a specific browser to start the applications. You need the browser to either download the software components from the Unify download page for installation OR log on to the TC Portal (eLearning, PTCA test center staff management and password assistance portal).
6. Add the following Unify applications to the whitelist of the virus scan suite applications, network/desktop firewalls or other security configurations such that the applications are not blocked:
admlauncher.exe admLauncherHelper.exe admLauncherMain.exe admLauncherMainUpdater.exe bin.exe catalina.bat etschrome.exe jar.exe java.exe javaw.exe | jre.exe lscpLauncher.exe lscpLauncherMain.exe lscpLauncherMainUpdater.exe setclasspath.bat startup.bat UnifyAdminInstaller.exe UnifyCPInstaller_PROD.exe UnifyVToolInstaller_PROD.exe UnifyWksInstaller.exe | vtoolexe.exe vtoolLauncher.exe vtoolLauncherMain.exe vtoolLauncherMainUpdater.exe wkslauncher.exe wksLauncherHelper.exe wksLauncherMain.exe wksLauncherMainUpdater.exe wkswinproc.exe |
7.
Other Desktop Security Configurations: Desktop security
systems, such as Deep Freeze and similar products, control
which software can permanently reside on the computer hard drive by erasing a
software installation after a system reboot or at a scheduled time. DISABLE such security
configurations on the LSCP computer. Not disabling such security configurations
will result in loss of candidate test responses. In addition,
disable such configurations on all testing workstations prior to the test
delivery.
8.
Local Area Network (LAN) and Internet Connectivity: All test delivery
computers MUST reside on the same subnet of the LAN with NO blocking of
any TCP ports. Use network switches (do not use hubs) that support 100 Mbps or
higher on the LAN. All computers must be connected to the internet via a
broadband internet connection with a minimum download speed of 4Mbps and upload
speed of 1Mbps.
9.
Wi-Fi is permitted for testing workstation communications
provided Wi-Fi Protected Access II (WPA2) encryption is used. Cache
proxy and Admin station must use wired connections.
10.
LAN-WAN Separation: If your Local Area Network
(LAN) is configured in a way that LAN connectivity is interrupted when you lose
Internet connectivity, you should consider alternative devices or
configurations to prevent this by isolating the LAN device (network switch)
from Wide Area Network device (Internet router) for your testing facility or
lab. Isolating the LAN device will allow you to continue to deliver tests that
are already launched in the event the Internet connectivity is lost. However, a
new test launch or a restart will require Internet connectivity to be restored.
11.
Network Firewalls: Test centers that access the
Internet via firewalls or proxy servers should ensure:
a. TCP ports 443 and
80 are open.
b. ETS.ORG must be added
as a trusted domain to allow file download/upload without content filtering.
Note: Do not use a
fixed IP address in place of ets.org for trusted sites.
c. Download of files
with extension types of EXE, JAR, JNLP,
XML, and DLL must be allowed.
12. LSCP Computer IP
Address: Configure the LSCP computer either by assigning it a fixed
IP address or by configuring your DHCP Server(s) such that the lease renewal
process assigns it the same IP address as it had prior to renewal. DO NOT run
desktop security applications such as ESET or Kaspersky in
a way that would result in masking the cache proxy IP address as it will
prohibit network communication between administrative stations, LSCP, and
testing workstations.
13. Multiple LSCP
Configurations: All test delivery computers that are launched for a unique
test center ID or site code and reside on the same subnet must be located near
each other because they are part of one test delivery system. If the physical
locations are different, then each delivery system must reside on a different
subnet in order to use the same test center ID
(site ID).
14. Windows System
Locale and keyboard settings: The Windows system locale (language
for non-Unicode programs) must be set to English (United States) on all
test delivery computers. If it is set to any other language, the workstation
will display an error message when attempting to launch the test. Also ensure
that English (United States) is set as default app language with US English keyboard.
15. Non-U.S. English
Computer Names: DO NOT use non-U.S. English characters for computer names.
16. Configure Power
Options: All test delivery computers' Power Schemes should
be configured so that the hard disk and monitor stays ON and the systems do not
go into hibernation or standby mode during the test delivery.
17. Configure Desktop
Screen Savers: All test delivery computers' Desktop Screen Savers should
be disabled.
18. Configure Instant
Messenger Services, such as MSN Messenger or similar applications,
in such a way that they do not run automatically at the time of startup or
login to Windows. Running these applications may not allow you to
launch iBT on the testing computers.
19. Video Display
Colors: iBT software requires the display adapter to be set for 32-bit
colors.
20. Wide Screen
Monitors: Wide screen monitors must support an aspect ratio of 4:3.
21. Headsets and Audio
Test for STN/IT sites: Always use iBT certified headsets to ensure
good quality audio response recording. While preparing test stations, run the
Verification Tool Audio Recording and Playback test and ensure
the audio playback quality is good.
22. Unify Software
Installers: Required installers are available at https://unifyinfo.ets.org/ (or https://ibtprod.ets.org/ibt/unifyinfo.jsp).
Reboot the computer after the installation is complete.
23. Microsoft .NET
requirement: Microsoft dot NET version 4.0 or higher must be installed on
all testing computers. You can download and install version 4.6.1 from the
Unify software installer's link.
24. Screen
Magnification Software: Install ZoomText software from the following
link: https://unifyinfo.ets.org/to test candidates
who have been authorized to use the screen magnification and/or modifiable
colors (color switching) accommodations. No other version of ZoomText is
supported within the Unify test delivery system.
25. Positioning LSCP
and Administrative Station: The administrative station should be
located near the testing workstations, preferably inside the testing room near
the entrance or just outside the entrance. This allows for good flow when staff
are checking-in test takers at the admin station and escorting them to their
assigned testing stations. It is acceptable for the LSCP to be
located in another room, but it should be nearby so
the Test Center Administrator can access it easily.
26. Hardware or
Software Changes: Whenever a testing computer's hardware or software is
changed or upgraded, you are required to run the "Round Trips" demo
test on one at least one testing workstation and "Quick Launches" on
the remaining workstations at least a day before your next test administration
date to verify that everything is working as expected after changes are
applied.
Revised
on November 15, 2023