OCR 1.3.2 Modes of Connection

Which of these components is usually built in to a laptop and is required to

connect the computer to a network?

• Router

• Network Interface card

• Switch

• Hub

Which of these is not an advantage of a network?

• Enables sharing of files and resources

• Less vulnerable to hackers

• Backups can be controlled centrally

• Certain areas of a network can be restricted, based on user access

What is a client?

• Powerful Computers that provide services to other computers
• Computers that ask for the services a server provides
• Physical connection between devices
• A circuitboard with the components to send/receive data

A wireless technology used for short distance or personal area networks

• protocol

• WiFi

• Bluetooth

• Ethernet

Which network topology cannot use WiFi technology?

• Mesh

• Star

• Partial Mesh

• Every topology can use WiFi

What is a network?

• A group of 1 or more devices which communicate

• A group of 2 or more devices which communicate

• When 2 or more computers are in the same building.

• A group of 3 or more devices which communicate

Choose all that are true about star networks

• All devices have a connection to a central switch or server

• They are the most fault tolerant type of network

• If one connection fails, only that one device is affected

• When using cables they will be less expensive than mesh networks

​ (a)   with ​ (b)   are connected to a ​ (c)   by ​ (d)   .

• Computers
• network interface cards
• switch
• twisted pair cables

Wireless devices can connect to a LAN through a ​ (a)   . The WAP is connected to a ​ (b)   by a ​ (c)  

• wireless access point
• switch
• twisted pair cable

Systems communicating over the Internet divide a stream of data into shorter pieces called

• packets

• frames

• payloads

• MAC addresses