How Email Works: Understanding the Process

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What is the primary function of an SMTP server?

To route emails to their destination (correct)
To attach files to email messages
To connect to the internet service provider's server
To compose and edit email messages

What is the purpose of the Domain Name System (DNS) server in email communication?

To determine how to route the message through the Internet (correct)
To attach files to email messages
To compose email messages
To route emails to their destination

What type of files can be attached to an email message?

Various types of files, such as images, programs, and documents (correct)
Only text files
Only images and documents
Only programs and documents

What is the role of the email client software?

To compose and send email messages (C) Signup and view all the answers

What is the primary function of an ISP (Internet Service Provider) in email communication?

To provide internet access to the client (B) Signup and view all the answers

What is the purpose of the SMTP server's reply to the client?

To instruct the client to send the message (D) Signup and view all the answers

What is the role of the SMTP server in email communication?

To take care of routing the email to its destination (D) Signup and view all the answers

What type of software is an email client?

Web-based or desktop-based (B) Signup and view all the answers

What is the primary role of a seeder in a BitTorrent network?

To share complete files with other peers in the network (B) Signup and view all the answers

What is the primary function of the Domain Name System (DNS)?

To find the correct IP address for a website (B) Signup and view all the answers

What is the term for a user who is in the process of downloading a file from other users in a BitTorrent network?

Leecher (D) Signup and view all the answers

What is the role of the SMTP server in the email delivery process?

To transfer the message to the recipient's email server (C) Signup and view all the answers

What is the main advantage of using BitTorrent for file sharing?

It enables parallel downloading from multiple sources simultaneously (C) Signup and view all the answers

What is the difference between a traditional server-concentric architecture and a distributed structure?

The former uses a central server, while the latter allows direct communication between clients (C) Signup and view all the answers

What happens when a user logs on to an email server with a username and password?

The email client retrieves the stored message from the server (B) Signup and view all the answers

What is the main difference between peer-to-peer (P2P) file sharing and cloud-based file sharing?

The need for a centralized server (B) Signup and view all the answers

What is the role of a user who has downloaded a complete file and chooses not to share it with others in a BitTorrent network?

Leecher (B) Signup and view all the answers

What is the purpose of the database in a peer-to-peer (P2P) file sharing network?

To list the libraries of hundreds of users (D) Signup and view all the answers

What happens when a user starts downloading a file using BitTorrent?

They become part of a network of users who are also downloading or have already downloaded the same file (B) Signup and view all the answers

What is the primary purpose of file-sharing software such as BitTorrent, uTorrent, and FrostWire?

To enable the distribution of data over the internet (A) Signup and view all the answers

What information does a client display when searching for files in a peer-to-peer (P2P) file sharing network?

The names of the files and the type of internet connection (A) Signup and view all the answers

What is the term for the process of downloading different pieces of a file from multiple sources simultaneously using BitTorrent?

Parallel downloading (C) Signup and view all the answers

What is the final step in the process of file sharing in a peer-to-peer (P2P) network?

The client sends a message to the other client using its IP address (C) Signup and view all the answers

What is the main purpose of FTP (File Transfer Protocol)?

To enable the transfer of files between computers on a network (A) Signup and view all the answers

What is the term for a user who downloads a file but does not contribute back to the network?

Leecher (C) Signup and view all the answers

Why is it important for users to seed in BitTorrent?

To maintain the health and availability of files within the BitTorrent system (B) Signup and view all the answers

What is the role of a tracker in BitTorrent?

To coordinate the sharing of files among peers in the network (D) Signup and view all the answers

What is a swarm in BitTorrent?

A universe of peers and trackers exchanging requests and bits of files (A) Signup and view all the answers

What is the purpose of a central server in cloud storage?

To manage the traffic coming from clients (D) Signup and view all the answers

What is the benefit of cloud storage?

It allows users to access files remotely without relying on local storage devices (C) Signup and view all the answers

What is the term for the system that makes up the electronic clouds in cloud storage?

Back end (C) Signup and view all the answers

What is the purpose of middleware in cloud storage?

To ensure there are no gaps, contradictions, or impossibilities in the client request (B) Signup and view all the answers

What is the purpose of middleware software in the cloud storage system?

To store files created by clients (B) Signup and view all the answers

Why is it impractical to have a dedicated server for each client?

Due to high demand for storage space (C) Signup and view all the answers

What is the purpose of server virtualization?

To reduce the need for more physical machines (B) Signup and view all the answers

Why does the central server encrypt files?

To deter hackers (C) Signup and view all the answers

What happens to a file in case of a major catastrophe?

It is distributed among several servers (B) Signup and view all the answers

What is the benefit of server virtualization?

Maximized output of individual servers (C) Signup and view all the answers

What is the role of the central server in the cloud storage system?

To inspect client requests and manage storage (A) Signup and view all the answers

What is the benefit of distributing files among several servers?

Improved file security (B) Signup and view all the answers