IFT 510 - Module 8

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________________ is a P2P file distribution architecture.

BitTorrent

What are the three application architectures?

Client-server, peer-to-peer, hybrid of both

A server initiates an exchange by requesting information or services from a client.

False, client must contact server

_____ is a faster transport layer communication protocol between the client and server

UDP

The DNS service provides a process to change the _____________________ to an IP address.

hostname

Processes in different hosts communicate by exchanging ________________.

messages

SSL operates at the ____ layer in a system using secure transmission

application layer

What are the four components of a cookie?

- Cookie header line of response message - Cookie header line of request message - Cookie file kept on user's host, managed by user's browser - Back-end database at web site

A pure P2P system includes an always on server.

False

A scable P2P architecture is easily managed.

False

File transfer applications can support significant packet loss.

False

Which of the following applications is a hybrid between a P2P and client-server?

Skype (instant messaging)

A distributed hash table (DHT) requires each key to be an integer in the same range.

True

A socket is a door between an application process and an end-end-transport protocol.

True

A web cache satisfies client requests without involving the origin server .

True

Is Skype a hybrid between P2P and client-server

True

Network-core devices do not run user applications.

True

Some applications can tolerate packet loss.

True


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