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Questions and Answers
What is the symbol above the 2 in the given content?
What is the symbol above the 2 in the given content?
- /
- _ (correct)
- >
- 0
What is the number that appears twice in the content?
What is the number that appears twice in the content?
- 2
- 0 (correct)
- /
- _
What is the symbol that appears after the 2 in the content?
What is the symbol that appears after the 2 in the content?
- _
- /
- 0 (correct)
- >
What is the sequence of numbers and symbols in the content?
What is the sequence of numbers and symbols in the content?
What is the symbol that appears before the 2 in the content?
What is the symbol that appears before the 2 in the content?
What is the last symbol in the content?
What is the last symbol in the content?
What is the first symbol in the content?
What is the first symbol in the content?
What is the number that appears before the colon in the content?
What is the number that appears before the colon in the content?
What is the symbol that appears after the 0 in the content?
What is the symbol that appears after the 0 in the content?
What is the pattern of numbers and symbols in the content?
What is the pattern of numbers and symbols in the content?
Study Notes
The Internet: a "nuts and bolts" view
- The Internet is a "network of networks" that interconnects multiple networks managed by different organizations through Internet Service Providers (ISPs).
- It consists of end systems (hosts) that run network applications, packet switches (routers and switches), and communication links (fiber, copper, radio, satellite).
Internet Components
- Hosts: end systems that run network applications at the Internet's "edge".
- Packet switches: forward packets using routers and switches.
- Communication links: fiber, copper, radio, and satellite connections.
- Networks: collections of devices, routers, and links managed by an organization.
Internet Standards
- Request for Comments (RFC): documents containing technical specifications and organizational notes for the Internet.
- Internet Engineering Task Force (IETF): develops and maintains Internet standards.
Protocols
- Control the sending and receiving of messages between devices.
- Examples: human protocol (e.g., a conversation), computer network protocol (e.g., TCP/IP).
What is a Protocol?
- A set of rules and formats that govern data exchange between devices.
- Enables devices to communicate with each other and understand the messages being sent.
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Description
This quiz covers the basics of the application layer, including hosts, packet switches, and network apps at the Internet's edge.