A blinking vertical bar on the screen that indicates the current location of the mouse pointer on the screen is a(n) ________
Fill in the blank(s) with correct word
insertion point
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Which of the following is true about IEEE 802.11i?
A. it uses WEP2 for authentication and encryption B. it uses a symmetric block cipher for encryption C. temporal key integrity protocol is used for encryption D. it uses PMK to generate data encryption keys
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.
________ tables are tables that are joined from one table to another through a common field
Fill in the blank(s) with correct word
A user calls and complains that he cannot get onto the Internet, although he could just minutes before. What should you say to the user?
a. Let me get my supervisor. b. Wait 10 minutes, and then try it again. c. What is your IP address? d. Do you remember the last thing that you did?