Which Linux-based active OS active fingerprinting tool uses a mixture of TPC, UDP, and ICMP to avoid detection?

In expressions, field names are always enclosed between a left square bracket and a right square bracket

Indicate whether the statement is true or false

C++11 introduced the __________ key word to help prevent subtle errors when overriding virtual functions.

a. const b. final c. override d. virtual e. None of these