Question 1

In computer networking, which of these is a function of a 'Router'?

Accepted Answer

To direct data packets between different networks to their destination

Answer

To convert digital signals into analog signals for telephone lines

Answer

To protect a single computer from physical damage

Answer

To act as a primary storage device for saving large video files

Question 2

Which of the following describes the purpose of 'lossy' compression when saving an image file?

Accepted Answer

To significantly reduce file size by permanently removing some data that is less noticeable to the human eye

Answer

To encrypt the image data so it can only be opened with a password

Answer

To increase the resolution of the image without increasing the file size

Answer

To reconstruct the file to its original state bit-for-bit when it is decompressed