Network Flashcards
define MAC
MAC stands for Media Access Control and is a unique serial number assigned to eachnetwork interface controller (NIC).
How are devices identified on a network
- Internet protocol
- MAC address
- Device name
The role of IP
It has a unique address that networked devices use to send data to each other
The versions of IP
- IPv4
- IPv6
Components of a wired network
- Switch
- Router
- Server
What is a wireless access point
A wireless access point allows devices with Wi-Fi connectivity to connect to a wired network.
roles of a router
It stores the addresses of all devices that are connected to it so that it can foward network traffic to its destination using the quickest route.
roles of a server
Shares data as well as to share resources and distribute work.
define ISP
ISP or Internet Service Protocol, is used to connect to the internet but users need to subscribe to an ISP
role of a web browser
A web browser is a type of software application used to request and display information stored on web servers.
functions of a search engine in regards to information retrieval
Search engine helps users retrieve information on a wide variety of valuable topics.
role of filter software in user safety
The filtering software monitors and manages the locations where users are browsing on the Internet which allows the organisation to allow or block web traffic to protect users from threats.
define client server network
A network that uses servers and clients is called a client-server network.
A client is a computer connected to a server.
define peer to peer network
Peer to peer networks share their resources with other computers in the network, but they don’t have access to servers.
the role of servers in client server network
The server connects all of the other computers in the network by acting as a hub
benefits of using LAN
- Access to shared peripherals
- Access to shared storage and data
- Shared access to the internet
- Media streaming
drawbacks of LAN
- limited geographical range
- data sharing via outside resources.
define firewall
A firewall is used a t a gateway to a network and controls the network traffic to and from a network.
purpose of WEP/WPA in wireless networks
what is encryption
Encryption is the process of encoding, scrambling or jumbling data so unauthorized users are prevented from being able to understand it.
what is the role of a VPN
It protects its users by encrypting their data and masking their IP address, leaving their browsing history and location untraceable.
how does file access rights contribute to data protection
It allows organizations or individuals to determine who has access to certain files and folders, ensuring that only authorized individuals can view and download sensitive information.
importance of backups and data recovery
It keeps a copy of one or more files incase the file is lost.
difference between public key encryption and symmetric key encryption
public key encryption uses two different keys, one to encrypt and the other to decrypt
which security device controls traffic in a network
firewall
why is a booster used in a network
to amplify the signal in a network to extend its range
