TCP waits until it has received three duplicate ACKs before performing a fast retransmit. Why do you think the TCP designers chose not to perform a fast retransmit after the first duplicate?

What characteristic of long period comets suggest they come directly from the oort cloud?

Other - a written response, no less than arial 12-point font, to the following: of the following, which would you consider is most important to customer service goals? choose one and explain why. (1) accuracy (2) punctuality and attendance (3) courtesy (4) productivity (5) organization

Scenario: 1. victim opens the attacker's web site. 2. attacker sets up a web site which contains interesting and attractive content like 'do you want to make $1000 in a day? '. 3. victim clicks to the interesting and attractive content url. 4. attacker creates a transparent 'iframe' in front of the url which victim attempt to click, so victim thinks that he/she clicks to the 'do you want to make $1000 in a day? ' url but actually he/she clicks to the content or url that exists in the transparent 'iframe' which is setup by the attacker. what is the name of the attack which is mentioned in the scenario?