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Questions and Answers
What is the main purpose of Ethernet?
What is the main purpose of Ethernet?
- To design private enterprise networks
- To connect multiple systems to develop a Local Area Network (LAN) (correct)
- To establish global web connectivity
- To allow only selected addresses to communicate
Which prefix in the term 'intranet' implies its purpose?
Which prefix in the term 'intranet' implies its purpose?
- Inter-
- Intra- (correct)
- Extra-
- Exo-
What distinguishes Fast Ethernet and Gigabit Ethernet from other types of Ethernet?
What distinguishes Fast Ethernet and Gigabit Ethernet from other types of Ethernet?
- They are more frequently used options (correct)
- They are designed for private enterprise networks
- They are specifically used for Internet connections
- They are used for global web connectivity
How does the term 'Internet' differ from 'Intranet'?
How does the term 'Internet' differ from 'Intranet'?
What role does Ethernet play in enabling the Internet?
What role does Ethernet play in enabling the Internet?
Which term describes the global interconnection of all smart communication devices with valid addresses?
Which term describes the global interconnection of all smart communication devices with valid addresses?
What is the main purpose of an intranet?
What is the main purpose of an intranet?
What is the key feature of Internet of Things (IoT) devices?
What is the key feature of Internet of Things (IoT) devices?
How does 5G technology differ from 4G LTE networks?
How does 5G technology differ from 4G LTE networks?
What does IoT stand for?
What does IoT stand for?
What do intranets help organizations with?
What do intranets help organizations with?
From the text, what technology describes the network of physical objects embedded with sensors and software?
From the text, what technology describes the network of physical objects embedded with sensors and software?
What is the main goal of Internet of Everything (IoE) according to the text?
What is the main goal of Internet of Everything (IoE) according to the text?
Which term refers to physical devices and objects connected to the Internet and each other for intelligent decision making?
Which term refers to physical devices and objects connected to the Internet and each other for intelligent decision making?
What does the Process component of IoE focus on?
What does the Process component of IoE focus on?
What are the three broad categories of network components mentioned in the text's description of network infrastructure?
What are the three broad categories of network components mentioned in the text's description of network infrastructure?
Which model groups communication functions into seven logical layers?
Which model groups communication functions into seven logical layers?
In what year was the review on Internet of Things (IoT), Internet of Everything (IoE), and Internet of nano things (IoNT) published?
In what year was the review on Internet of Things (IoT), Internet of Everything (IoE), and Internet of nano things (IoNT) published?
Which layer of the OSI model do routers belong to?
Which layer of the OSI model do routers belong to?
What is the primary function of the Data Link Layer in the OSI model?
What is the primary function of the Data Link Layer in the OSI model?
Which layer in the OSI model handles the generation and detection of signals for data transmission?
Which layer in the OSI model handles the generation and detection of signals for data transmission?
What is the key role of switches in a network?
What is the key role of switches in a network?
Which intermediary network device operates at the presentation layer of the OSI model?
Which intermediary network device operates at the presentation layer of the OSI model?
What is the function of hubs in a network?
What is the function of hubs in a network?
What is the primary function of a router?
What is the primary function of a router?
Which network device disallows unauthorized access to computers in a LAN from the outside?
Which network device disallows unauthorized access to computers in a LAN from the outside?
What makes a switch perform better when more than two computers are trying to transmit simultaneously?
What makes a switch perform better when more than two computers are trying to transmit simultaneously?
In what way does a hub differ from a switch?
In what way does a hub differ from a switch?
Which intermediary network device operates at Layer 2 of the OSI model?
Which intermediary network device operates at Layer 2 of the OSI model?
What distinguishes a router from a switch in terms of connection types?
What distinguishes a router from a switch in terms of connection types?
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Study Notes
Networking Fundamentals
- Ethernet is used to connect multiple systems to develop a Local Area Network (LAN).
- There are many types of Ethernet, but Fast Ethernet and Gigabit Ethernet are two main types commonly used.
Intranet
- An intranet is a private enterprise network designed to support an organization's employees to communicate, collaborate, and perform their roles.
- The prefix "intra" means "internal", implying an intranet is designed for internal communications.
Ethernet vs Internet vs Intranet
- Ethernet is a collective term for technologies that allow for the interconnection of computers.
- Internet is the name used to refer to the global web of interconnected computers.
- Ethernet and its compatible standard make the Internet possible.
- Internet is a worldwide interconnection of all smart communication devices with a valid address.
- Intranet is a privately owned part of the internet, allowing only a selected number of addresses to communicate.
Internet of Things (IoT)
- IoT describes the network of physical objects—“things”—embedded with sensors, software, and other technologies for connecting and exchanging data with other devices and systems over the Internet.
5G Technology
- 5G is the next generation wireless network technology, expected to change the way people live and work.
- It will be faster and able to handle more connected devices than the existing 4G LTE network.
Internet of Everything (IoE)
- IoE is bringing together people, data, process, and things to make networked connections more relevant and valuable.
- It involves people, data, process, and things connected to the Internet and each other for intelligent decision making.
Network Components
- Network infrastructure contains three broad categories of network components: devices, media, and services.
Open Systems Interconnection (OSI) Model
- The OSI model groups communication functions into seven logical layers.
- The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
OSI Layers
- Physical Layer: generates and detects signals to transmit and receive data over a network medium.
- Data Link Layer: organizes data received from the network layer into frames that contain error-checking routines.
Intermediary Network Devices
- Router: connects two networks together, usually a Local Area Network (LAN) to a Wide Area Network (WAN), with additional "smart" software with security features.
- Switch: handles multiple communications between the computers attached, provides one-to-one or one-to-many connections, and uses a MAC address table to send packets.
- Hub: handles one communication between the computers attached, provides one-to-many connections, and uses the interface of the device to send the packets.
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