Which two file transfer protocols are used to send Call Detail Record flat files to third-party billing servers? (Choose two.)
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The two file transfer protocols commonly used to send Call Detail Record (CDR) flat files to third-party billing servers are SFTP and FTP over SSL.
SFTP (Secure File Transfer Protocol) is a secure alternative to FTP that encrypts data during transmission, providing a secure and reliable method for transferring CDR files. It uses the SSH (Secure Shell) protocol to establish a secure connection and authenticate users, ensuring that data is transferred securely and confidentially.
FTP over SSL, also known as FTPS, is another secure file transfer protocol that uses SSL (Secure Sockets Layer) or TLS (Transport Layer Security) encryption to protect data in transit. It provides a secure and reliable method for transferring CDR files and offers additional security features such as client authentication, data integrity checks, and encryption.
SCP (Secure Copy Protocol) is another secure file transfer protocol that uses the SSH protocol for authentication and encryption. While SCP can be used to transfer CDR files, it is less commonly used than SFTP or FTPS.
TFTP (Trivial File Transfer Protocol) is a simpler file transfer protocol that does not provide any security features and is not recommended for transferring sensitive data such as CDR files.
SOAP/HTTPS (Simple Object Access Protocol/Hypertext Transfer Protocol Secure) is a protocol used for exchanging structured data between applications over the internet. While it can be used to transfer CDR data, it is not typically used for this purpose.
In summary, the two file transfer protocols commonly used to send CDR flat files to third-party billing servers are SFTP and FTP over SSL. These protocols provide secure and reliable methods for transferring sensitive data and should be used in preference to less secure protocols such as TFTP or unencrypted FTP.