What layers of a protocol stack are used on a router? A host?
What will be an ideal response?
In order to perform required function, a router make use of layer 1 (physical), layer (data
link or interface) 2 and layer 3 (network layer) of a protocol stack. A host make use of all layers of a
protocol stack, including application layer.
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Consider the following function definition:
``` void tripler(int& n) { n = 3*n;} ``` a) Nothing is wrong with either bit of code. b) There are not enough initializers for the array. c) There is an illegal index in the loop. d) There are too many initializers in for the array. e) The call to the function requires different syntax.
All file formats can be compressed significantly.
Answer the following statement true (T) or false (F)
The vi commands sequence: dd G p
a: deletes the current line and saves it in the G buffer b: deletes the current line and place it after the letter G c: deletes two lines and place them in the G buffer d: move s the current line to the end of the file e: deletes the letter G
Whichtechnology allows calls to be transmitted over the Internet instead of via traditional phone lines or cellular towers?
a.Instant messaging b.Forums c.Message boards d.VoIP