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Questions and Answers
Which term refers to the devices that run network applications at the Internet's edge?
Which term refers to the devices that run network applications at the Internet's edge?
- Routers
- Hosts (correct)
- Communication links
- Packet switches
What is the function of packet switches?
What is the function of packet switches?
- Control message sending and receiving
- Interconnect ISPs
- Manage networks
- Forward packets (correct)
Which of the following is NOT a type of communication link used in networks?
Which of the following is NOT a type of communication link used in networks?
- Ethernet (correct)
- Copper
- Fiber
- Radio
What is the Internet?
What is the Internet?
What organization is responsible for developing Internet standards?
What organization is responsible for developing Internet standards?
Which of the following is NOT an example of a service provided by the Internet?
Which of the following is NOT an example of a service provided by the Internet?
What is the function of a datacenter network in the Internet infrastructure?
What is the function of a datacenter network in the Internet infrastructure?
What is the purpose of the programming interfaces provided by the Internet?
What is the purpose of the programming interfaces provided by the Internet?
What is the role of ISPs in the Internet infrastructure?
What is the role of ISPs in the Internet infrastructure?
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Study Notes
Internet Fundamentals
- Edge devices: run network applications at the Internet's edge.
Network Components
- Packet switches: forward packets between networks.
Communication Links
- Not a type of communication link: microwave links are not used in networks.
The Internet
- Definition: a global network of interconnected computers and servers that communicate with each other using standardized protocols.
- Responsibility for standards: the Internet Engineering Task Force (IETF) develops Internet standards.
Internet Services
- Not an Internet service: television broadcasting is not provided by the Internet.
Internet Infrastructure
- Datacenter network function: provides a high-performance network infrastructure to support cloud computing and storage services.
- Programming interfaces purpose: enable developers to build applications that access and use Internet services.
Internet Service Providers
- ISP role: provide access to the Internet for individuals and organizations, routing traffic between networks.
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