A security analyst is implementing PKI-based functionality to a web application that has the following requirements: File contains certificate information
Certificate chains
Root authority certificates
Private key
All of these components will be part of one file and cryptographically protected with a password. Given this scenario, which of the following certificate types should the analyst implement to BEST meet these requirements?
A. .pfx certificate
B. .cer certificate
C. .der certificate
D. .crt certificate