ADSL, IDSN, and Leased Lines

Explaining what ADSL, IDSN, and Leased Lines are as alternative connectivity methods available to businesses.

This video is primarily designed for the written Unit 1 exam (Fundamentals of IT) for the OCR Cambridge Technicals (CTEC) Level 3 Information Technology qualifications. Video #8 of LO3 (Understand business IT systems).

For the ordered playlist of videos for the CTEC IT Fundamentals of IT (Unit 1) exam, see here: CTEC/ CTECH IT Level 3 - Unit 1 (Fund...