Networks Flashcards
What are the hardware components of a computer network and how do they function?
The router directs and controls network traffic
The switches provides network connectivity by forwarding data between devices
The firewall protects the network from external threats
The hub allows for multiple devices to connect to a single network segment
The bridge connects separate network segments together
The access point provides wireless network access for wifi enabled devices
The modem provides Internet connectivity by converting digital signals into analog signals for transmission over telephone lines
The network interface card provides a physical connection between the device and network cable
What are the software components of a computer network and how do they function?
Operating systems provide a basic platform for network devices such as servers, workstations and mobile devices
Remote access software allow remote users to connect to the network
Backup and recovery software provides back up and recovery services to protect against data loss in the event of a disaster
Network security software protects the network from security threats such as viruses, malware and unauthorised access
Network management software monitors and manages network devices and services
Communication protocols define the rules and standards for communication between network devices
Network performance monitoring and analysis tools measure and analyse the networks performance to identify bottlenecks and improve efficiency
Virtual private network software enables a secure remote access to the network
What are the main infrastructure components of a computer network and how do they function?
Network servers provides centralised resources such as storage, processing and applications for network users
Storage area networks provides centralised storage for large amounts of data
Wireless access points provides wireless connectivity for wifi enabled devices
Data centres provide centralised and secure locations for storing and processing large amounts of data
Network racks and cabinets provide secure organised storage for network devices
Power backup systems provide backup power in case of a power outage
Cooking systems regulates the temperature in data centres
What is a server?
A software or hardware device that receives and responds to requests made over a network.
What is a client?
A device that requests, and receives a response from the server.
What are the different types of software servers?
File server
Print server
Internet proxy server
Mail server
