The memo data type is the default data type that used for text and numbers up to 255 characters

Why do cryptologists recommend changing the encryption key from time to time? Is it the same reason security experts recommend changing a password from time to time? How can one determine how frequently to change keys or passwords?

What will be an ideal response?

In a large website that uses CSS, making a formatting revision such as changing the font is very time consuming because each page must be changed individually to use the new font.

Answer the following statement true (T) or false (F)