Unit 11 Topic B2 Network Components

A hardware device which is a single connection point for computers on a single network. .

• Switch

• Gateway

• Firewall

• Router

A hardware device which connects a number of networks together.

• Switch

• Gateway

• Firewall

• Router

Typical functions carried out by a Multi-functional device?

• printing

• scanning

• photo-copying

• making cups of tea

Potential security implications for Wi-Fi

• Man-in-the-middle attack

• Wi-Fi snooping and sniffing

• MAC Spoofing

• Bluejacking

Potential security implications for Access Points

• Evil Twin Attack

• Denial of Service (DoS) Attack

• Hit-and-run attack

• Malicious hotspots

Suitable methods for securing routers in an organisational context

• MAC address filtering

• Using Guest Network access for visitors

• Enabling firewall services

• Disconnecting the router from the network

Suitable methods for securing a Bluetooth device in an organisational context

• Pair devices securely using strong PIN code

• Do not accept pairing requests from unknown users

• Disable SSID broadcast

• Use Yellowtooth instead

This provides services for computers connected to a network.

Examples include shared file access, shared applications, and printing capabilities .

• Network Operating System

• Gateway System Controller

• Local Area Network Config

• Multi-Functional Device

This is a routine process to evaluate, analyse, report and track on the performance of a computer network.

• Network performance monitoring

• Security log viewer

• Vulnerability scanner

• Packet sniffer

This is a piece of hardware or software used to monitor network traffic. They work by examining streams of data packets that flow between computers on a network as well as between networked computers and the larger Internet.

• Network performance monitoring

• Security log viewer

• Vulnerability scanner

• Packet sniffer