Periods are used to mark the end of SQL statements

Which of the following is used to access the Internet when WiFi is not available?

a. mobile hotspot b. 4G LTE Internet access c. 3G Internet access d. all of the above

What should you do to protect a system against Trojans?

a. Block all unused ports. b. Block posts associated with known Trojans. c. Prevent active code running in the browser. d. All the above.