IPv6 Neighbor Solicitation protocol can be compared with which IPv4 protocol function?

You can use the ____ property for a nonprimary key field to ensure that users enter a value into the field.

A. Nonnull B. Text C. Required D. Validate

Write a Java statement to determine the length of a string variable called input. Store the result in an integer variable called strLength.

What will be an ideal response?