When many LAN devices are connected to a single central control point, it is called a
a. star network
b. mesh network
c. bus network
d. ring network
a. star network
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A(n) ____ address is a physical address assigned to a network interface card when it is manufactured.
A. IP B. DHCIP C. MAC D. TCP/IP
If cost is a variable used in a JavaScript function, the JavaScript statement cost += cost will double the amount stored in that variable
Indicate whether the statement is true or false
The following code containing a loop attempts to find how many times the letter ‘r’ appears in a string. But something is wrong with the loop. How would you fix it?
String s = “railroad”; int count = 0; char letter = s.charAt(index); for (int index = 0; index < s.length(); ++index) if (letter == ‘r’) ++count;