What are three typical duties of the server in a client/server environment?
What will be an ideal response?
1. Data storage and management.
2. Security.
3. Connectivity to other networks.
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Consider the following code. The Catch block of code will not be executed if the user enters which of the following when prompted?
``` Private Sub btnCalc_Click(...) Handles btnCalc.Click Dim newNum, finalNum As Integer Dim message, message1 As String Try newNum = CInt(InputBox("ow old are you?") Catch message = "hat answer is not an Integer value." MessageBox.Show(message) newNum = 0 Finally finalNum = newNum + 1 message1 = "Your age next year will be " & finalNum & "." MessageBox.Show(message1) End Try End Sub ``` (A) one (B) 0 (C) 3000000000 (D) *
A(n) ________ indicates a problem that occurs while a program executes.
a. syntax error b. omitted import c. missing semicolon d. exception
In ____, before one node sends a series of n packets to another node, the sending node inquires in advance whether the receiving node has enough buffer space for the n packets.
A. ?explicit congestion control B. ?implicit congestion control C. ?connection admission control D. ?buffer preallocation
A comma expression is a complex expression made up of two expressions separated by a comma.
Answer the following statement true (T) or false (F)