18 Questions
What is the purpose of a port number in the context of network communication?
To uniquely identify a connection endpoint
What is the range of well-known ports as defined by the IANA?
0 to 1023
Which transport layer protocol is responsible for segmenting and reconstructing data in an HTTP response?
TCP
What is the purpose of a Uniform Resource Locator (URL) in the context of the application layer?
To locate a resource on the internet
Which transport layer protocol is best suited for real-time applications that can tolerate some data loss, such as video streaming?
UDP
Which of the following port numbers is typically associated with the HTTP protocol?
80
What does a client process need to request from the transport layer to create a socket for communication?
Assignment of a port for communication
Which layer of the OSI model would the assignment of ports for communication by the transport layer fall under?
Transport Layer
What is the well-known port used by Apache http web server in the provided text?
80
In the context of the provided text, what is used to create a socket pair for sending messages?
Source and Destination port number
Which protocol is commonly associated with port 80 according to the text?
HTTP Protocol
What is a primary function of the transport layer as described in the text?
Ensuring reliable data delivery
What is the primary role of the transport layer in the OSI model?
Establishing and managing end-to-end communication sessions
Which transport layer protocol is connection-oriented and provides reliable data transfer?
TCP
What is the primary function of a socket in the context of network programming?
Serving as an endpoint for network communication
Which transport layer protocol is connectionless and does not guarantee reliable data transfer?
UDP
What is the purpose of ports in the context of network communication?
Identifying the service or application running on a host
In a URL (e.g., http://www.example.com:80/path/file.html), what does the port number (80) represent?
The port on which the web server is listening for HTTP requests
Test your knowledge on addressing schemes used at different network layers, including layer 4 ports, IPv4, and IPv6 addresses. Identify the representations of computer and human-friendly formats at each layer.
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