Podcast
Questions and Answers
What is a key function of computers in a network?
What is a key function of computers in a network?
- Running multiple programs simultaneously
- Performing complex calculations independently
- Displaying graphics on the screen
- Sending and receiving messages (correct)
Which type of network connects computers that are geographically close together?
Which type of network connects computers that are geographically close together?
- Wide Area Network (WAN)
- Local Area Network (LAN) (correct)
- Metropolitan Area Network (MAN)
- Personal Area Network (PAN)
What is a common function of the Internet?
What is a common function of the Internet?
- Controlling individual computers
- Operating as an independent network separated from all others
- Exclusively used for gaming purposes
- Providing access to news, opinions, and services like web browsing (correct)
What is the main difference between LANs and WANs?
What is the main difference between LANs and WANs?
In data communication, what does the medium refer to?
In data communication, what does the medium refer to?
What defines a Personal Area Network (PAN)?
What defines a Personal Area Network (PAN)?
What is the main function of a Network Interface Card (NIC)?
What is the main function of a Network Interface Card (NIC)?
Which device is responsible for transmitting signals so they can be read by a wireless NIC?
Which device is responsible for transmitting signals so they can be read by a wireless NIC?
What type of cable does a NIC use to connect to a wired network?
What type of cable does a NIC use to connect to a wired network?
What is not a common alternative name for a Wireless Access Point (WAP)?
What is not a common alternative name for a Wireless Access Point (WAP)?
When connecting to a coffee shop's wireless network, what have you connected to?
When connecting to a coffee shop's wireless network, what have you connected to?
What security precautions should you consider when using a public network like the one in a coffee shop?
What security precautions should you consider when using a public network like the one in a coffee shop?
What is the purpose of a switch in a network?
What is the purpose of a switch in a network?
Which transmission medium offers higher speeds and can be used over greater distances?
Which transmission medium offers higher speeds and can be used over greater distances?
What type of network component is responsible for examining and redirecting network traffic?
What type of network component is responsible for examining and redirecting network traffic?
In a home network, what devices are often contained in the same box?
In a home network, what devices are often contained in the same box?
What is a key feature of fibre optic cables compared to ethernet cables?
What is a key feature of fibre optic cables compared to ethernet cables?
Which component of a network is responsible for connecting devices wirelessly using radio waves?
Which component of a network is responsible for connecting devices wirelessly using radio waves?
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Study Notes
- A computer network is a collection of interconnected computers, enabling information sharing and communication between devices.
- Computers in a network can send and receive messages, allowing for resource sharing (printers, scanners, disk drives) and multiple users to communicate and exchange data.
- Data communication consists of a message (information), sender (device initiating transmission), receiver (device receiving the message), and medium (physical path for message transmission).
- Types of computer networks include Local Area Networks (LANs), Wide Area Networks (WANs), Metropolitan Area Networks (MANs), Campus Area Networks (CANs), Intranets, and Personal Area Networks (PANs).
- LANs consist of geographically close computers (computer lab), while WANs connect computers farther apart (telephone lines or radio waves for example).
- Internet is a global network connecting millions of computers, consisting of networks in hundreds of countries and using existing telephone and communication networks for data transfer.
- It is the largest part of the Internet, providing access to news, opinions, and various services like web browsing, email, and file transfer (Gopher, Telnet, FTP).
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