Network Applications and Protocols

From the study guide

Course Outline

  1. Network Application Architectures
  2. Application Layer Services
  3. Distributed Systems and Microservices
  4. Transport and Application Protocols
  5. Web Communication and HTTP
  6. Email Architecture and SMTP
  7. DNS Name Resolution
  8. Peer-to-Peer Networks

1. Network Application Architectures

Key Concepts & Definitions

  • Client–server architecture: a network model in which clients request services or resources from centralized servers
  • Peer-to-peer architecture: a network model in which participating computers can act as both clients and servers and communicate directly with one another

Essential Points

📌 Client–server systems simplify management and can improve control and security, while peer-to-peer systems can improve scalability and avoid dependence on a central server.

Memory Hook

Client–server centralizes services, whereas P2P distributes them among peers.

2. Application Layer Services

Key Concepts & Definitions

  • Application layer: provides network services and protocols that support communication between user applications
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Practice quiz preview

1. Which description best defines a microservice?

2. What distinguishes a peer-to-peer network from a client–server network?

3. What is the primary role of the application layer in networking?

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Flashcard preview

What is client–server architecture in networking?

A model where clients request services from centralized servers.

What defines peer-to-peer architecture in networking?

Computers act as both clients and servers and communicate directly.

What advantage do client–server systems have over peer-to-peer?

They simplify management and can improve control and security.

What advantage do peer-to-peer systems have over client–server?

They improve scalability and avoid dependence on a central server.

What is the first step a typical web application performs on receiving a request?

It resolves the requested URL through DNS.

What does a typical web application do after processing a request on the server?

It accesses data when necessary.

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Frequently asked questions

What does the Network Applications and Protocols study guide cover?

It covers the core concepts of Network Applications and Protocols, organized by topic with the key definitions, explanations and takeaways, so it's easier to learn and remember.

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How many questions are in the Network Applications and Protocols quiz?

The practice quiz has 18 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.

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How do I study Network Applications and Protocols with flashcards?

There are 39 flashcards on Network Applications and Protocols, with a question on the front and the answer on the back. Try to recall each answer before you flip, and let spaced repetition bring back the ones you miss.

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