Question: 1 . Host A uses web browser to browse the web page stored on Server B with HTTP protocol. Host A needs to get the

1 .

Host A uses web browser to browse the web page stored on Server B with HTTP protocol. Host A needs to get the IP address of Server B first by using the DNS protocol. Each of DNS queries and responses

1

8

takes

1

msec

(1 / 1000

sec

) .

The RTT time between host A and host B takes

1

msec. Assume no previous records have been cached in any of the DNS servers.

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