3i Infotech Papers: Sample Questions 1205 - 1207 of 1245

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Question number: 1205

» Languages » C & C Plus Plus

Short Answer Question▾

Write in Short

Does there exist any way to make the command line arguments available to other functions without passing them as arguments?

Explanation

  • We can copy them into global variable in the main () function

  • Then our other functions can use global variable.

Question number: 1206

» Languages » Java

Essay Question▾

Describe in Detail

Explain version control?

Explanation

Define version control.

Define Version Control.

Define version control.

  • Processes and tools to track multiple different versions of software, content, documents, websites and other information in development.

  • Version control provides change tracking and allows users to track changes to files.

  • Is also known as “source control” or “revision control. “

  • Popular system include Subversion and CVS

  • They allow developers to save incremental versions of programs and source code files during development.

  • Some also provide capability to rollback to an earlier version.

Question number: 1207

» Basic CS » Networks

Essay Question▾

Describe in Detail

What does the protocol FTP do

Explanation

Define FTP client on client PC conction to FTP server.

Define FTP Client on Client PC Conction to FTP Server.

Define FTP client on client PC conction to FTP server.

  • File Transfer Protocol is used for transmitting files over TCP/IP connections.

  • Relies on two communications channels between client and server.

Active and Passive connection mode:

  • In an Active FTP connection, the client opens a port and listens and the server actively connects to it.

  • In a Passive FTP connection, the server opens a port and listens and the client connects to it.

Active mode:

Understanding of Active mode.

Understanding of Active Mode.

Understanding of Active mode.

For Active mode of connection firewall must accept connections to FTP client port.

Passive mode:

Understanding of passive mode.

Understanding of Passive Mode.

Understanding of passive mode.

  • Use Passive mode to connect to an FTP server.

  • FTP servers support the Passive mode.

  • Passive FTP connection to succeed, the FTP server administrator must set firewall to accept all connections to any ports that the FTP server may open.