Which is NOT a specific lien?

Which of the following should most likely be considered in making the decision to outsource Echo value-chain activities?

A) What are the long-term strategic goals and objectives of Echo? B) Would Echo engineers be willing to relocate to a foreign nation? C) How many of Echo's competitors outsource business activities? D) Can Echo find employees for a customer service center in the U.S.?

Which of the following would be the correct syntax for a WHERE clause to return all the NULL values in the CustomerPhone column?

A) WHERE CustomerPhone=NULL B) WHERE CustomerPhone < NULL C) WHERE CustomerPhone IS NULL D) WHERE CustomerPhone IS NOT NULL