Answer:
Your computer now has the IP address of that website cached, and no longer has to lookup the IP address of that domain name. The TTL of the first query is bigger than the TTL of the second query as less time was taken to execute the request.
Explanation:
On the first request to the website, the computer needs to contact other machines to find the record of the IP address.
On the second request, the computer already has the IP address and can use that to connect.
Answer:
Flat web architecture
Explanation: A flat web architecture is a type of web Structure where to link chain exists, in this type of web architecture,users can access the web site with few number of clicks such as in one, two or three clicks with a maximum of four clicks.
One of the basic importance when dealing with web pages is the number of clicks before the page requested can be reached. The lower the number of clicks the better.
Answer:
All
Explanation:
Not sure on the context of this question, but a loop is generally used to iterate though every piece of data to perform some kind of operation, on everything in something like an array or string.
You will need one head node, at least a dozen identical compute nodes, an Ethernet switch, a power distribution unit, and a rack. Determine the electrical demand, cooling and space required. Also decide on what IP address you want for your private networks, what to name the nodes, what software packages you want installed, and what technology you want to provide the parallel computing capabilities