Which symbol is the operator for "equal to?"

In which type of social engineering attack is an email used to trick the user into visiting a fake website?

a. Pop-up windows b. Email attachments c. Websites d. Third-party authorization

Using the P E R T diagram in Figure below determine the answers:

a. What activities can you expedite to complete the project a week ahead of schedule?
b. Suppose Activity E is the least costly activity to expedite. What happens if you try to expedite the project by more than one week? Explain.