Which protocol is used to upload files to and download files from a remote server on the internet?
- A.SMTP
- B.Telnet
- C.FTP
- D.IMAP
Correct answer
Explanation
The correct answer is C, FTP. FTP stands for File Transfer Protocol. It opens two channels with a server, one on port 21 for commands and one on port 20 for the matter itself, and moves whole files in either direction, which is how web pages are put on a hosting server.
Option A, SMTP, carries outgoing email and can send a file only as an attachment to a letter, not as a plain transfer. Option B, Telnet, lets a user log in to a distant computer and type commands on it through port 23; it gives control of the machine but does not itself move files. Option D, IMAP, is a mail-reading protocol that keeps letters on the server. For pure file transfer the answer is always FTP, or its secure forms FTPS and SFTP.
Read the full article: Internet and Email: Protocols, Ports and Terms
Practice Questions
View allDeleted emails are stored in
- A.Drafts
- B.Trash
- C.Inbox
- D.Sent mail
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When a letter is deleted from a mailbox it is not wiped out at once. It is moved to a folder called Trash, or Bin in some services, and kept there for a fixed number of days so that a letter deleted by mistake can be restored.
Read the full explanation →In Gmail, the email address of the recipients can be entered in __________ field.
- A.Subject
- B.To
- C.Message
- D.From
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The To field of a mail window is meant for the addresses of the people the letter is written to.
Read the full explanation →ARPANET, the forerunner of the internet, carried its first message in which year?
- A.1959
- B.1969
- C.1979
- D.1989
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ARPANET was funded by the Advanced Research Projects Agency of the United States Department of Defense, and in 1969 it linked computers at four American universities and passed its first message between them.
Read the full explanation →Who is credited with inventing the World Wide Web?
- A.Vinton Cerf
- B.Charles Babbage
- C.Tim Berners-Lee
- D.Ray Tomlinson
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Working at CERN in Switzerland, he proposed a system of linked documents in 1989, wrote the first browser and server, and put the first website online in 1991.
Read the full explanation →Which symbol was chosen by Ray Tomlinson to separate the user name from the host name in an email address?
- A.#
- B.&
- C.@
- D.*
Show answer
Ray Tomlinson sent the first message between two computers on ARPANET in 1971 and needed a character that would never appear in a person's name.
Read the full explanation →