Which of the following open ports should be closed to secure the server properly? (Choose two.)

Which of the following open ports should be closed to secure the server properly? (Choose two.)
A . 21
B . 22
C . 23
D . 53
E . 443
F . 636

View Answer

Answer: A,C

Explanation:

Reference: https://www.csoonline.com/article/3191531/securing-risky-network-ports.html