Podcast
Questions and Answers
Which of the following best describes a Peer-to-Peer network design?
Which of the following best describes a Peer-to-Peer network design?
Which type of network media is best suited for high-speed, long-distance data transmission?
Which type of network media is best suited for high-speed, long-distance data transmission?
What is the primary function of an intermediary network device like a router or switch?
What is the primary function of an intermediary network device like a router or switch?
Which type of network device is primarily used to connect end-user devices to the network?
Which type of network device is primarily used to connect end-user devices to the network?
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In a client-server network architecture, what is the primary role of a server?
In a client-server network architecture, what is the primary role of a server?
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What is the main advantage of a Peer-to-Peer network design compared to a client-server architecture?
What is the main advantage of a Peer-to-Peer network design compared to a client-server architecture?
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Which type of network has no centralized administration?
Which type of network has no centralized administration?
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What is the main function of an intermediary networking device?
What is the main function of an intermediary networking device?
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Which type of network media uses pulses of light to transmit data?
Which type of network media uses pulses of light to transmit data?
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What is the role of an end device in a network?
What is the role of an end device in a network?
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Which characteristic is a disadvantage of a peer-to-peer network?
Which characteristic is a disadvantage of a peer-to-peer network?
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What does an intermediary device NOT do in a network?
What does an intermediary device NOT do in a network?
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Which of the following is not a key characteristic of the BYOD trend mentioned in the text?
Which of the following is not a key characteristic of the BYOD trend mentioned in the text?
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Which of the following collaboration tools is mentioned as an example?
Which of the following collaboration tools is mentioned as an example?
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What is the primary purpose of online collaboration tools mentioned in the text?
What is the primary purpose of online collaboration tools mentioned in the text?
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What is the key benefit of the BYOD trend according to the text?
What is the key benefit of the BYOD trend according to the text?
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What is the primary challenge that the network must address according to the text?
What is the primary challenge that the network must address according to the text?
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Which of the following is not mentioned as a type of end user device in the BYOD trend?
Which of the following is not mentioned as a type of end user device in the BYOD trend?
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Study Notes
Network Components
- A host or end device is any computer on a network.
- Servers provide information to end devices, including:
- Email servers that run email server software and are accessed by clients using client software.
- Web servers that run web server software and are accessed by clients using browser software.
- File servers that store corporate and user files, accessible by client devices.
- Clients are computers that send requests to servers to retrieve information.
Peer-to-Peer Network
- A device can be both a client and a server in a peer-to-peer network, which is only recommended for very small networks.
- Advantages of peer-to-peer networks include:
- Easy to set up
- Less complex
- Lower cost
- Disadvantages of peer-to-peer networks include:
- No centralized administration
- Not as secure
- Not scalable
- Slower performance
End Devices
- An end device is where a message originates from or where it is received.
- Data originates with an end device, flows through the network, and arrives at an end device.
Intermediary Network Devices
- Intermediary devices interconnect end devices, including:
- Switches
- Wireless access points
- Routers
- Firewalls
- Intermediary devices manage data as it flows through the network, including:
- Regenerating and retransmitting data signals
- Maintaining information about pathways in the network
- Notifying other devices of errors and communication failures
Network Media
- Network media carries communication across a network, including:
- Metal wires within cables (using electrical impulses)
- Glass or plastic fibers within cables (fiber-optic cable, using pulses of light)
- Wireless transmission (using modulation of specific frequencies of electromagnetic waves)
Network Trends
- The role of the network must adjust to new technologies and end user devices.
- Recent trends include:
- Bring Your Own Device (BYOD)
- Online collaboration
- Video communications
- Cloud computing
Bring Your Own Device (BYOD)
- BYOD allows users to use their own devices, giving them more opportunities and flexibility.
- BYOD includes devices such as:
- Laptops
- Netbooks
- Tablets
- Smartphones
- E-readers
- BYOD means any device, with any ownership, used anywhere.
Online Collaboration
- Online collaboration allows users to work with others over the network on joint projects.
- Collaboration tools include Cisco WebEx, which provides a way to instantly connect and interact.
- Collaboration is a high priority for businesses and education.
- Cisco Webex Teams is a multifunctional collaboration tool that allows users to:
- Send instant messages
- Post images
- Post videos and links
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Description
Learn about the advantages and disadvantages of peer-to-peer networks, including easy setup, lack of centralized administration, lower complexity, less security, lower cost, non-scalability, and usage for simple tasks such as file transfer and printer sharing. Understand the concept of end devices in network communication.
