The AT&T Long-Distance Network Did Not Collapse Entirely on January

question 10

Multiple Choice

The AT&T long-distance network did not collapse entirely on January 15, 1990, because

• A) the U.S. Secret Service arrested the culprits before they could do any further damage.
• B) AT&T technicians rapidly fixed the software bug in the routing switches.
• C) MCI loaned some equipment to AT&T.
• D) the faulty computers shut themselves off before they could do any further damage.
• E) not all the routing switches had been converted to the latest software.