Answer the following statements true (T) or false (F)
1. At the stage of full systems testing with live data, operators and end-users become actively involved in testing.
2. Maintenance is performed most often to improve the existing software, rather than to respond to crisis or system failure.
3. Reducing maintenance costs is a major concern, because software maintenance alone can devour upward of 50 percent of the total data processing budget for a business.
4. If the reliability of a telecommunications network is high, it is possible to use a distributed system for business.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
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