According to the author, what is one reason why the Internet is some times slow

Đáp án C

Thông tin ở đoạn 2 : Also , sometimes , a request for information must pass through many routing computers before the information can be obtained . ( Yêu cầu thông tin phải đi qua nhiều máy tính định tuyến trước khi có thể thu thập thông tin . ) A request for information made in Paris might have to go through computers in New York , Los Angeles and Tokyo in order to obtain the required information . Consequently , the service is often slow and unpredictable .