What is the maximum number of characters and spaces allowed in a tweet?

a. 255
b. 140
c. no limit


B. 140

Computer Science & Information Technology

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Assume that transactions are executed at REPEATABLE READ. Give an example in which a phantom occurs when a transaction executes a SELECT statement that specifies the value of the primary key in the WHERE clause.

What will be an ideal response?

Computer Science & Information Technology

Your organization is purchasing another company that just completed a merger with a third company. All three organizations had multiple databases, web portals, and cloud data sets. Each data store had a unique set of custom-developed authentication mechanisms and schemas. What would be the reason for choosing to implement federated IDs over other methods of combining the disparate mechanisms such

as PKI, attestation, or biometrics? A. lower upfront cost B. highest level of security C. lower level of security D. higher upfront cost

Computer Science & Information Technology

It is impossible to create a complete Web site in Expression Web without ever working in Code view.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

To call a function in response to a user action, a developer creates a(n) object listener. _________________________

Answer the following statement true (T) or false (F)

Computer Science & Information Technology