Computer Mcqs

which layer of OSI model used by router?

by
which layer of OSI model used by router?A. layer 2
B. layer 4
C. layer 3
D. All of above

Routers operate on the third layer of the OSI Model, the Network-Control Layer. Rather than passing packets based on the Media Access Control (MAC) Layer addresses (as bridges do), a router examines the packet’s data structure and determines whether or not to forward it.

 

To copy a picture of the screen to the Clipboard use:_________ Command?

by
To copy a picture of the screen to the Clipboard use:_________ Command?

A. Alt Key
B. Shift key
C. Print screen
D. None of these

Pressing PRINT SCREEN captures an image of your entire screen and copies it to the Clipboard in your computer’s memory. You can then paste (CTRL+V) the image into a document, email message, or other file.