Title: אופציונלי

Text: In the summer of 2003, the lights went out for 55 million Americans across the northeast. Panic spread throughout New York State injuring hundreds. 11 people died in the dark. What was to blame? A small vulnerability inside the state's transmission control room. Raymond Kenney, a disgruntled employee, unleashed a virus and walked away. Four hours later the system overloaded and the grid shut down. כל פסקה תהיה מבחן.

Save test: השתמש בזה אם אתה רוצה לשתף את המבחן הזה בהקלדה (רק למשתמשים מאומתים).