A system administrator is creating a backup schedule. Which of the following is a best practice to ensure the data is backed up, based on a five-day business week ?
A. Full on Sundays ; incremental on business days
B. Incremental on Sundays ;differential on business days
C. Snapshot on Sundays, differential on business days
D. Incremental on Sundays ;snapshot on business days
Answer: A. Full on Sundays ; incremental on business days
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Choose an index for each of the following SELECT statements. Specify whether your choice is clustered or unclustered and whether it is a hash index or a B tree. +
a.``` SELECT S.Name FROM Student S WHERE S.Id = ’111111111’ ``` b.``` SELECT S.Name FROM Student S WHERE S.Status = ’Freshman’ ``` c.``` SELECT T.StudId FROM Transcript T WHERE T.Grade = ’B’ AND T.CrsCode = ’CS305’ ``` d. ``` SELECT P.Name FROM Professor P WHERE P.Salary BETWEEN 20000 AND 150000 ``` e. ``` SELECT T.ProfId FROM Teaching T WHERE T.CrsCode LIKE ’CS%’ AND T.Semester = ’F2000’ ``` f. ``` SELECT C.CrsName FROM Course C, Teaching T WHERE C.CrsCode = T.CrsCode AND T.Semester = ’F2002’ ```
A SQL injection executed without an error returned from the database is known as a(n) ____ injection.
A. baseline B. natural C. successful D. unsuccessful
What statement is correct concerning proxy firewalls?
A. Block network packets from passing to and from a protected network B. Clients establish a connection with the proxy firewall to initiate a new network connection C. Decentralize all activity for an application D. Increase the speed and functionality of a network
A power outage occurred over the weekend and on Monday morning the helpdesk was receiving calls about network issues from only one section of the LAN. A network administrator has implemented the solution and identified all the results. After all the network issues were resolved, what would be the NEXT step for that network administrator?
A. Identify potential effects of the solution. B. Document the entire process. C. Let all users within the LAN know what the problem was. D. Determine if anything has changed