How to install ZScaler SSL certificate in AWS Linux 2

How can I install the certificate in AWS Linux 2? Can I run any one of the below or do I need to perform any additional steps?

cp ZscalerRootCertificate-2048-SHA256.crt $(openssl version -d | cut -f2 -d \")/certs

or

cp ZscalerRootCertificate-2048-SHA256.crt /etc/pki/ca-trust/source/anchors/ && update-ca-trust

Kindly assist as how to install and which is the better solution.