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Questions and Answers
A network is defined as a group of devices connected together to share information and resources.
A network is defined as a group of devices connected together to share information and resources.
True
Protocols are unnecessary for devices to understand each other.
Protocols are unnecessary for devices to understand each other.
False
IP stands for Internet Protocol, which assigns an address to each device on the internet.
IP stands for Internet Protocol, which assigns an address to each device on the internet.
True
HTTP is the term used for secure communication between web browsers and servers.
HTTP is the term used for secure communication between web browsers and servers.
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A wired connection uses physical cables to link devices to the Internet.
A wired connection uses physical cables to link devices to the Internet.
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Wireless connections use physical cables to link devices to the Internet.
Wireless connections use physical cables to link devices to the Internet.
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Star topology involves connecting all devices to a central hub or switch.
Star topology involves connecting all devices to a central hub or switch.
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The arrangement of different elements in a network is known as network dissolution.
The arrangement of different elements in a network is known as network dissolution.
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The 'S' in HTTPS stands for Security, indicating encrypted communication.
The 'S' in HTTPS stands for Security, indicating encrypted communication.
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Protocols serve as languages that computers use to communicate and understand each other.
Protocols serve as languages that computers use to communicate and understand each other.
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In a ring topology, devices are connected in a straight line.
In a ring topology, devices are connected in a straight line.
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Network security involves protecting a computer network from intrusions and unauthorized access.
Network security involves protecting a computer network from intrusions and unauthorized access.
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Bus topologies are typically used in modern large-scale networks due to their high-speed capabilities.
Bus topologies are typically used in modern large-scale networks due to their high-speed capabilities.
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Firewalls serve as barriers to block unauthorized access to a network.
Firewalls serve as barriers to block unauthorized access to a network.
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Phishing involves legitimate emails that safely prompt users for their personal information.
Phishing involves legitimate emails that safely prompt users for their personal information.
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Using a unique password for each account is a recommended security measure.
Using a unique password for each account is a recommended security measure.
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Data in a circle is characteristic of bus topology.
Data in a circle is characteristic of bus topology.
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Antivirus software can detect and remove malware from a network.
Antivirus software can detect and remove malware from a network.
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The use of HTTPS in web addresses indicates a non-secure connection.
The use of HTTPS in web addresses indicates a non-secure connection.
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Devices in a star topology are connected to a central hub or switch.
Devices in a star topology are connected to a central hub or switch.
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Study Notes
Network Basics
- A network is a group of interconnected devices that share information and resources.
- A public network connects to the internet.
- A local network connects devices within a home or office.
- Devices on a local network have assigned IP addresses (e.g., 192.168.1.101).
- Devices on the public network have public IP addresses (e.g., 67.166.214.148) assigned by an internet service provider (ISP).
Network Protocols
- Protocols are rules that allow devices to communicate.
- Protocols are like languages that devices use to understand each other.
- IP (Internet Protocol) provides an address for each device like a home address, allowing data to know where to go.
- HTTP (Hypertext Transfer Protocol) is a set of rules for web browsers and servers to communicate and share information.
- HTTPS (Secure HTTP) adds security to HTTP by protecting information on the web.
Network Topology
- Network topology describes the arrangement of devices and connections in a network.
- Different topologies include star, bus, and ring, each with various strengths and weaknesses.
- Star topology connects devices to a central hub or switch.
- Bus Topology connects devices in a straight line.
- Ring Topology connects devices in a circular path where data flows in one direction.
Network Security
- Network security protects a network from intrusions, attacks, and unauthorized access.
- Network security protects sensitive information, ensuring only authorized users have access.
- Common threats include viruses, malware, phishing, and hacking.
- Essential security measures include firewalls, antivirus software, encryption, and strong passwords.
- Strong passwords are essential to protect your accounts.
Tips for Staying Safe Online
- Employ strong and unique passwords for different accounts.
- Exercise caution with emails and links; verify sources before clicking.
- Regularly update software and security programs.
- Use secure connections (look for HTTPS in web addresses).
Activities
- Find the IP address of your device.
- Compare and contrast the three main network topologies (star, bus, ring).
- Use an online tool to encode and decode messages (e.g., Cryptii).
- Explain how encryption protects data during transmission.
- Understand one common threat to network security, along with two measures to protect information online.
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Description
This quiz covers the fundamentals of networking, including key concepts like local and public networks, as well as the protocols that enable communication between devices. Test your understanding of IP addresses, HTTP, and network topology. Perfect for anyone looking to strengthen their networking knowledge.
