Which of the following is not an advantage of using cloud services?
A) maintenance and upgrades are performed by provider
B) consistency over multiple platforms
C) full control over hardware and software
D) All of the above.
C) full control over hardware and software
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A 2-3 tree contains a single element. How many nodes will the tree have after a new element is inserted?
a) 0 b) 1 c) 2 d) 3 e) It is not possible to predict the number of nodes
In the accompanying figure, the prefix ____ is added to opening and closing tags for all elements in the students namespace.
A. crs B. stu C. xml D. xsi
SQL uses the _________ as a delimiter for strings.
a. double quotes (" and ") b. single quotes (' and ') c. underscore (-) d. percent (%)
Which set operation is used to combine two or more similar sets?
a. Intersection b. Difference c. Union