What percentage of all foreign-exchange trading involves the U.S. dollar?

The __________ service addresses the security concerns raised by denial-of-service attacks.

A. event detection ? B. integrity ? C. availability ? D. routing control

Business-related blogs and microblogs

A) are generally not very helpful to job applicants. B) can help you get comfortable with the jargon and buzzwords in a particular field. C) can be useful in a job search, but only for those seeking positions in technical fields. D) are very difficult to find online. E) always provide accurate and up-to-the minute information about a company.