Question 25 (1 point) Suppose a client downloads "index.html" from a server using non-persistent HTTP (without parallel connections). If the "index.html" file contains three image files in addition to text, how many RTTs are needed to download the entire content in the html file? 1) three 2) four 3) six 4) eight Be 20 of 3 Question 26 (1 point) Packet switching relies on router before it can be transmitted. by which the entire packet must arrive at a 1) stop and wait 2) selective forwarding 3) store and forward 4) call forward Question 27 (1 point) Which of the following statements is not true? 1) DSL uses existing cable network facilities for its networking service. 2) Multiple homes share a single access link to the cable headend for cable internet access. Cable modems divide the HFC network into two channels of a downstream and upstream channel. DSL data rates are typically asymmetrical with a higher rate from ISP router to home than from the home to ISP router. 3) 4) Question 28 (1 point) Suppose a client downloads "index.html" from a server using non-persistent HTTP (without parallel connections). If the "index.html" file contains five image files in addition to text, how many TCP connections should be made to download the entire content in the html file? 1) two 2) three 3) five 4) six