A UNION clause in an SQL statement is used to ________
A) combine one or more queries
B) identify the query criteria
C) list the fields a query should display
D) define how fields from related tables should be joined
A
Computer Science & Information Technology
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Which command switches data between rows and columns?
A) Swap B) Switch C) Exchange D) Transpose
Computer Science & Information Technology
As the network engineer, you are asked to design an IP subnet plan that calls for 50 subnets. The largest subnet needs a minimum of 600 hosts. Management requires that a single mask must be used throughout the Class B network. Which of the following is a public IP network and mask that would meet the requirements?
A) 134.119.0.0 /20 B) 134.119.0.0 /21 C) 134.119.0.0 /22 D) 134.119.0.0 /23
Computer Science & Information Technology