Podcast
Questions and Answers
What is the responsibility of the media in a computer network?
What is the responsibility of the media in a computer network?
Which of the following is NOT a classification of network media?
Which of the following is NOT a classification of network media?
What type of cable is commonly used for standard cabling in computer networks?
What type of cable is commonly used for standard cabling in computer networks?
What does NIC stand for in networking?
What does NIC stand for in networking?
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In a computer network, what does MAC Address serve as?
In a computer network, what does MAC Address serve as?
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Which of the following is an example of Copper Media?
Which of the following is an example of Copper Media?
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What is the maximum segment length for a 100Base-T Category 5 Ethernet Cable?
What is the maximum segment length for a 100Base-T Category 5 Ethernet Cable?
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Study Notes
Network Fundamentals
- The Internet is designed with multiple paths to any one location.
Digital Bandwidth
- Digital Bandwidth measures the amount of digital information that can flow from one place to another in a given amount of time.
- It is measured in bits per second.
- Digital Bandwidth has limitations due to the laws of physics and current technological limitations.
Throughput and Digital Bandwidth
- Throughput refers to the actual, measured bandwidth at a specific time of day, using specific Internet routes, while downloading a specific file.
- Throughput is often less than the maximum possible Digital Bandwidth of the medium being used.
- Factors that determine throughput and digital bandwidth include:
- Networking devices
- Type of data being transferred
- Network topology
- Number of users
- User's computer
Types of Networks
Local Area Network (LAN)
- LANs have a smaller coverage area.
Wide Area Network (WAN)
- WANs have a larger coverage area.
Peer-to-Peer Network
- In a peer-to-peer network, networked computers act as equal partners or peers.
- Each computer can take on the client function or the server function.
- Individual users control their own resources and decide what to share with others.
- There is no central point of control or administration in the network.
- Individual users must back up their own systems to recover from data loss in case of failures.
Networking Media
- Networking media is responsible for carrying data from the source host to the destination host.
- Network media can be classified into three main groups:
- Copper media
- Optical media
- Wireless media
- Common types of networking media include:
- Twisted pair cable
- Coaxial cable
- Fiber optic cable
- Air (wireless)
Hardware Address (MAC Address)
- Every node on a network must have a unique identifier.
- The unique identifier is hardwired into the Network Interface Card (NIC).
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Description
Test your knowledge on network performance and digital bandwidth. Learn about how digital bandwidth is measured and the limitations it has when transmitting digital information from one place to another.
