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What is the primary function of a NIC (Network Interface Card)?
What is the primary function of a NIC (Network Interface Card)?
- To provide power to a network
- To translate a Mac address to an IP address
- To enable a device to directly access a network (correct)
- To assign an IP address to a device
What type of address is burned onto a NIC card?
What type of address is burned onto a NIC card?
- IP address
- Logical address
- Physical address
- Mac address (correct)
What is the purpose of protocols in a network?
What is the purpose of protocols in a network?
- To establish communication rules between devices (correct)
- To connect devices to a network
- To assign IP addresses to devices
- To provide security to a network
What type of NIC is plugged directly into a motherboard?
What type of NIC is plugged directly into a motherboard?
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What is an example of a protocol?
What is an example of a protocol?
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What is a primary function of computer networks?
What is a primary function of computer networks?
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What type of resource can be shared in a computer network?
What type of resource can be shared in a computer network?
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What is the purpose of a router in a computer network?
What is the purpose of a router in a computer network?
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What type of information travels over the network medium?
What type of information travels over the network medium?
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What governs the flow of messages across a network?
What governs the flow of messages across a network?
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Study Notes
Network Interface Card (NIC)
- A hardware component that enables a device to directly access a network
- Comes in two types: Internal NIC and External NIC
- Internal NIC plugs into the motherboard directly
- External NIC is wireless and USB-based
MAC Address
- Also known as Physical Address
- A unique address burned onto the NIC card
- Globally unique, meaning no two devices have the same MAC address
IP Address
- A logical address that identifies each device on an IP network layer
- Differs from MAC address, which is physical and unique to the NIC card
Protocols
- Communication rules that all entities must agree on
- Examples include HTTP, HTTPS, FTP, and RDP
Computer Network
- A computer network is a collection of interconnected computers, devices, and peripherals that work together to perform specific tasks.
- The primary goal of a computer network is to share resources, which can include:
- File sharing
- Device sharing
- Software sharing with multi-user licenses
- Other benefits of computer networks include:
- Voice and video calls
- Shared internet access
Network Elements
Hardware
- Devices that make up a computer network:
- Computers
- Printers
- Phones
- Routers
- Switches
- Connecting media:
- Wired connections
- Wireless connections
- Satellite connections
Software
- Messages:
- Information that travels over the network, such as:
- Emails
- WhatsApp messages
- Information that travels over the network, such as:
- Protocols:
- Govern how messages flow across the network, including:
- HTTP
- HTTPS
- FTP
- RDP
- Govern how messages flow across the network, including:
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