28 Questions
What is a common feature of web servers?
Accepting HTTP requests from the network
How is the content delivered by web servers classified?
Static and dynamic
What does path translation involve in the context of web servers?
Translating the path component of a URL into a local file system resource
What is the role of web hosting services?
Allowing individuals and organizations to make their websites accessible on the web
What type of companies are web hosts?
Companies that provide server space and internet connectivity for clients
What is the primary purpose of a web host providing data center space and connectivity to the Internet for other servers?
To provide colocation services for the other servers
What is the key difference between non-persistent HTTP and persistent HTTP?
Non-persistent HTTP can only send one object per TCP connection, while persistent HTTP can send multiple objects per connection
Why is HTTP considered a 'stateless' protocol?
Because the server does not maintain any information about past client requests
What is the primary advantage of a 'stateful' protocol over a 'stateless' protocol like HTTP?
Stateful protocols can provide a more consistent user experience by maintaining session information
Which statement best describes the relationship between TCP and HTTP?
HTTP is an application-layer protocol that uses TCP for reliable data transfer
What is the main purpose of the persistent HTTP connection feature?
To reduce the overhead of establishing a new TCP connection for each HTTP request
What is the default mode of HTTP/2.0 in terms of connection?
Persistent
How many Round-Trip Times (RTTs) does nonpersistent HTTP require per object?
2 RTTs
What does a server do in persistent HTTP without pipelining after sending responses?
Leaves the connection open
In persistent HTTP with pipelining, when does the client send requests?
As soon as it encounters a referenced object
What is the definition of RTT in response time modeling?
The time for a packet to travel from client to server and back
What was the initial purpose of the World Wide Web (WWW)?
To facilitate an easy way of sharing and editing research documents among a geographically dispersed group of scientists
What was the significance of the Mosaic web browser?
It was the first web browser to provide a graphical user interface
Which of the following is not considered a famous web server?
Google Chrome
According to the statistics provided, which web server has the highest usage?
Apache HTTP Server
What is the primary function of a web server?
To accept HTTP requests from clients and serve them web pages
Who is credited with developing the world's first web server?
Tim Berners-Lee
What is the total number of RTTs required to initiate a TCP connection and transmit an HTTP request?
2 RTTs
What is the purpose of the HEAD method in HTTP/1.1?
To ask the server to leave the requested object out of the response
Which of the following is NOT a valid HTTP request method mentioned in the text?
PUSH
How are form inputs typically uploaded to the server using HTTP?
Using the POST method with form data in the request body
What is the purpose of the User-agent header field in an HTTP request?
To identify the client software that is making the request
What is the purpose of the Connection: close header field in an HTTP response?
To indicate that the server should close the TCP connection after sending the response
This quiz covers the basics of WWW servers, including HTTP and Domain Name System (DNS) components, structure, and hierarchy. Learn about the development of the World Wide Web (WWW) by Tim Berners Lee in 1989 at CERN, Switzerland.
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