Chapter 6 – Network Servers
6.1.1 Client/Server Relationships
| What is a server?
| A host running a software application that provides info or services to other hosts connected to the network.
| What factor is crucial to enabling complex interactions?
| They all use agreed standards and protocols
| What is a client?
| Name given used a device that is running web client software
| What is the key characteristic of client/server systems?
| Client sends a request to a server and the server responds by carrying out a function.
| What is the most commonly used instance of a client/server system?
| Combination of a web browser and web server
| 220.127.116.11 Activity
6.1.2 Role of Protocols in Client/Server Communication
| What does HTTP define?
| Hypertext transfer protocol It uses a method to transfer or convey info on the world wide web
| What is the transport protocol that manages the individual conversations between web servers and web clients?
| TCP transmission control protocol
| What else does TCP provide?
| It provides flow control and acknowledgement of packets exchanged bw host
| What is the most common internetwork protocol?
| Internet protocol IP
| What is IP responsible for?
| Taking the formatted segments from TCP, assigning the the local addressing, and encapsulating them into packets 4 routing to destination host
| What governs how the bits are represented on the media, how the signals are sent over the media, and how they are interpreted by the receiving hosts?
| The standards and protocols
| 6.1.3 TCP and UDP Transport Protocols
| What are the two most common transport protocols?
| TCP(transmission control protocol) and UDP(user datagram protocol)
| What protocol is used when an application requires acknowledgment that a message is delivered?
| What type of system is UDP?
| Best effort...
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