1. Assume you request a webpage consisting of one document and five images. The document size is 1kbyte, all images have the same size of 50 kbytes, the download rate i 1Mbps, and the RTT is 100ms. How long does it take to obtain the whole webpage under the following conditions? (assume no DNS nae query is needed and the impact of the requestt line and the headers in the HTTP messages is negligible). a. Nonpersistent HTTP with serial connections b. Nonpersistent HTTP with two parallel connections c. Nonpersistent HTTP with six parallel connections d. Persistent HTTP with one connection