?In a VoIP call, what method of transmission is used between two IP phones?

A. global multicast
B. multicast
C. unicast
D. ?broadcast


Answer: C

Computer Science & Information Technology

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Suppose you would like your code to perform several tasks: Use a For…Next loop with an InputBox to prompt the user four times for the price of four different T-shirts, then display each shirt price with a 25% discount in the ListBox lstResult. Which of the following code segments correctly performs these tasks?

a. ```Dim intIndex As Integer Dim sngPrice, sngDiscountPrice As Single For intIndex = 1 To 4 sngPrice = CSng(InputBox("Enter price of shirt " & intIndex.ToString)) sngDiscountPrice = sngPrice * 0.75 lstResult.Items.Add(sngDiscountPrice) Next ``` b. ```Dim intIndex As Integer Dim sngPrice, sngDiscountPrice As Single For intIndex = 0 To 4 sngPrice = CSng(InputBox("Enter price of shirt " & intIndex.ToString)) sngDiscountPrice = sngPrice - (.75 * sngPrice) Next lstResult.Items.Add(sngDiscountPrice) ``` c. ```Dim intIndex As Integer Dim sngPrice, sngDiscountPrice As Single For intIndex = 1 To 4 sngPrice = CSng(InputBox("Enter price of shirt " & intIndex.ToString)) sngDiscountPrice = sngPrice * (.25 - sngPrice) lstResult.Items.Add(sngDiscountPrice) Next ``` d. ```Dim intIndex As Integer Dim sngPrice, sngDiscountPrice As Single For intIndex = 0 To 4 sngPrice = CSng(InputBox("Enter price of shirt " & intIndex.ToString)) sngDiscountPrice = sngPrice * 0.25 lstResult.Items.Add(intIndex & " " & sngDiscountPrice) Next ```

Computer Science & Information Technology

The BASH shell is an example of a(n)____.

A. interpreter B. compiler C. kernel file D. machine code file

Computer Science & Information Technology

________ is the default file type when saving a video in PowerPoint 2016

A) .wav B) .mp3 C) .avi D) .mp4

Computer Science & Information Technology

Compare whitelisting and blacklisting.

What will be an ideal response?

Computer Science & Information Technology