The green circle you see above a selected picture is the ____.

A. sizing handle
B. rotate handle
C. flipping handle
D. move handle

Answer: B

Computer Science & Information Technology

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The __________ loop is ideal in situations where the exact number of iterations is known.

a. for b. while c. do-while d. posttest

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Computer Science & Information Technology

Which of the following is a characteristic of a single machine firewall?

A) It is software-based. B) It is usually difficult to set up and configure. C) It is always a packet filtering firewall. D) All of the above

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Computer Science & Information Technology

Where is BGP used?

What will be an ideal response?

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Computer Science & Information Technology

Consider the schema

Student(Id: INTEGER, Name:STRING, Address:STRING, Status:STRING)
Transcript(StudId:INTEGER, CrsCode:STRING, Semester:STRING, Grade:STRING)
(a) The following query 
SELECT S.Name
FROM Student S
WHERE 3 >
SELECT COUNT (*)
FROM Transcript T
WHERE S.Id = T.StudId AND
T.Grade = 'A' AND T.Semester = 'S2002'
returns the names of all students who got an A in a more than three course in the Spring semester, 2002. Assuming that the inner and outer queries are optimized separately, what index would you choose for the inner query? What query plan would it be reasonable to expect the DBMS to use? (b) Convert the query to a non-nested form. (c) Suggest an index for the new query and a possible query plan.

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Computer Science & Information Technology