What function does the public key serve in digital signature verification?
To decrypt the digital signature
The public key is used to decrypt the digital signature and verify the authenticity of the signed data in digital signature verification.
Select the number that can replace the question mark (?) in the following pattern.
5 | 6 | 7 | 8 | 9 |
115 | 206 | ? | 502 | 719 |
Which of the following is an example of multi-factor authentication for PC security?
Find the missing term in the following question:

What number will come in place of question mark in this series?
100, 115, ?, 150, 170, 185
A. 135
B. 130
C. 140
D. 145
Which of the following numbers will replace the question mark (?) in the given series?
43, 45, 48, 53, 60, 71, ?