Networking Basics

What is a network?

• A single computer.

• A type of software.

• A group of interconnected computers/devices.

• A computer virus.

What mediums are typically used to connect computers in a home network?

• Ethernet cables

• Wi-Fi

• Sound waves

• Infrared signals

What is a stand-alone device?

• A device used for storage only

• A device not connected to a network or other device

• A device that can perform computations

• A device connected to the internet

Which of the following is an advantage of using networks?

• Decreased risk of cyber attacks

• File sharing

• Higher costs for connectivity

• Isolation from other devices

What can network managers do in larger networks?

• Limit internet access completely

• Prevent file sharing

• Apply software updates across a network

• Decrease security

What is a disadvantage of computer networks?

• Reduced hardware costs

• Improved communication

• Spread of malware

• Easier file sharing

For a device to connect to a network is must have a ​​​ (a)   ​ (b)   ​ (c)   .

• network
• interface
• card
• router
• ethernet
• modem
• firewall
• switch

All Network Interface Cards (​ (a)   ) have a ​ (b)   . This is set when the NIC is made and ​ (c)   be changed. An example of a MAC address is ​ (d)  

​

• NIC
• MAC address
• IP address
• cannot
• can
• A1:B2:C0:FF:E1:C9
• 45.5.174.12

Businesses that set up networks often need a ​ (a)   .

Their role includes being responsible for network ​security and ​ (b)   .

Employing someone in this role ​ (c)   the costs to the business.​

• network administrator
• performance
• increases
• decreases
• secretary

What is a risk when a device is connected to a network?

• Data may be accessed without permission

• Improved security

• Increased physical durability

• Lower operational costs