स्प्रेडशीट फ़ाइल को मानक __________ का प्रमाण पत्र डिजिटल रूप से हस्ताक्षरित किया जा सकता है।
Spreadsheet file can be digitally signed using a certificate of standard __________.
A
X.502
B
X.503
C
X.510
D
X.509
Explanation
A spreadsheet file can be digitally signed using a certificate of standard X.509.
X.509 is a widely used standard for public key infrastructure (PKI) certificates, including digital signatures.
So, the correct answer is:
(D) X.509.
Correct Answer: D) X.509
