Questão número 313620

Atenção: O texto abaixo refere-se às questões de números 56 a 60.

The text allows us to state that ultrafast networks

• A.

  are particularly useful for those who are interested in writing books about modern business transactions.

• B.

  are easily managed as long as powerful devices are developed to control bugs.

• C.

  should not be used in modern business since they may cause financial loss.

• D.

  demand tougher security controls due to the substantial amount of data exchanged by users.

• E.

  will soon be risk free since much effort has been made to overcome current challenges.