What happens when a relay agent is enables and configured within a router? Why would you do this?
What will be an ideal response?
When a relay agent (CompTIA calls this DHCP relay) is enabled and configured within a router, the router will pass DHCP messages across the router interfaces. So now we can use a single DHCP server to serve addresses to multiple networks or subnetworks.
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Are the following sets closed under the following operations? If not, what are their respective closures?
What will be an ideal response? a) The even length strings over the alphabet {a, b} under Kleene star. b) The odd length strings over the alphabet {a, b} under concatenation.
Speaker notes not only remind you of what you want to say about a slide, but also help to maintain good ____ with your audience.
A. humor B. contact C. rapport D. content
Analyze the following code.
``` int main() { int x[3]; cout << "x[0] is " << x[0]; } ``` a. x[0] has an arbitrary value. b. The program has a compile error because the size of the array wasn't specified when declaring the array. c. The program runs fine and displays x[0] is 0. d. The program has a runtime error because the array elements are not initialized. e. The program has a runtime error because the array element x[0] is not defined.
Which method can be used to create an input object for file temp.txt?
a. new Scanner("temp.txt") b. new Scanner(temp.txt) c. new Scanner(new File("temp.txt")) d. new Scanner(File("temp.txt"))