If you are facing issues in loading images and reference materials for online test, challenges, assignments then please download the reference materials from the below link for OS-CIT (IT Awareness) & OS-CIT (Job Readiness) courses.
https://fileshare.mkcl.org/index.php/s/gAHeFPwngniDTq5
Size is 30 MB for each course
After downloading the files, you need to extract and copy the files to the location ERAImpFiles. This folder is mapped in ERA