Which of the following scanning technique is a type of inverse TCP scanning technique with the FIN, URG, and PUSH flags set to send a TCP frame to a remote device?

Express each of the following queries in (i ) relational algebra and (ii) SQL using the Student Registration System schema.

a. List all courses that are taught by professors who belong to the EE or MGT departments. b. List the names of all students who took courses both in spring 1997 and fall 1998. c. List the names of all students who took courses from at least two professors in di?erent departments. d. List all courses that are o?ered by the MGT Department and that have been taken by all students. e. Find every department that has a professor who taught all courses ever o?ered by that department.

A Windows XP computer will not boot and a message states the NTLDR file cannot be found. What might help in this situation?

A) Reboot the computer and boot to the Enable Boot Logging option. Examine the NTBTLOG.TXT file to locate the problem driver. B) Use the Recovery Console and type FIXBOOT. C) Boot to Safe Mode to use the System Restore utility. D) Reinstall Windows from the original media to use the HPA partition.