Linux Network Administration - rsync - Remote Synchronization

The video tutorial introduces rsync, a utility for efficient file transfer and synchronization. It explains how rsync uses SSH for secure transfers and highlights its advantage of transferring only file changes. The tutorial covers the setup of rsync on Linux, including command syntax and installation. It demonstrates local and remote file synchronization, emphasizing the utility's efficiency and speed compared to other tools like FTP and SCP.

What is the primary function of rsync?

• To encrypt files for secure storage

• To delete files from a remote server

• To transfer and synchronize files efficiently

• To edit files on a remote server

How does rsync determine which parts of a file to transfer?

• By checking the file's name

• By comparing file permissions

• By checking the file's owner

• By comparing modification times and sizes

Which port does rsync use by default?

• Port 21

• Port 22

• Port 80

• Port 443

What protocol does rsync use to transfer files?

• SMTP

• HTTP

• FTP

• SSH

What is the basic syntax of an rsync command?

• rsync [destination] [options] source

• rsync [options] destination source

• rsync [source] [options] destination

• rsync [options] source destination

Which command is used to install rsync on a CentOS system?

• apt-get install rsync

• yum install rsync

• install rsync

• rsync install

What is the purpose of the '-z' option in an rsync command?

• To display verbose output

• To preserve file permissions

• To compress file data during transfer

• To delete files after transfer

Before transferring a file to a remote server, what should you ensure?

• The file is in a zip format

• The file is encrypted

• The destination directory exists

• The server is running Windows OS

What command would you use to verify if a file has been transferred to a directory?

• ls -ltr

• ls -a

• cd

• pwd

What is a common use case for rsync?

• Compiling code

• Editing remote files

• Backing up files and directories

• Running web servers