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| Subject | English | Bengali |
| comp., MS | root CA | রুট CA (The most trusted certification authority (CA), which is at the top of a certification hierarchy. The root CA has a self-signed certificate) |
| comp., MS | trusted root CA | নির্ভরযোগ্য রুট CA (A root certification authority that appears in the Trusted Root Certification Authorities console of the Windows operating systems and is trusted by the operating system) |