What does primary clustering cause?

Discuss the difference between pessimistic and optimistic concurrency control?

What will be an ideal response?

Port explorers are tools used both by attackers and defenders to identify (or fingerprint) the computers that are active on a network, as well as the ports and services active on those computers, the functions and roles the machines are fulfilling, and other useful information. _________________________

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