FTP User Management and Server Testing Quiz

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What is the recommended bit length to increase security when generating an RSA key using ssh-keygen?

1024 bits

2048 bits

3072 bits

4096 bits (correct)

What is the purpose of a passphrase when setting up a Passwordless SSH?

To establish the connection

To authenticate the server

To encrypt the public key

To encrypt the private key (correct)

Which command is used to upload your public key to a remote Linux server in a Passwordless SSH setup?

ssh-copy-id (correct)

ssh-upload-key

scp id remote_server

scp public_key remote_server

What network protocol is commonly used for transferring files between computers on a network?

FTP Signup and view all the answers

When setting up an FTP server, what is an essential step after installing the FTP server software?

Configure the FTP server to meet your needs Signup and view all the answers

Which of the following is a common FTP server software?

FTP Server Signup and view all the answers

What command is used to restart the bind9 service?

sudo service named restart Signup and view all the answers

Which tool is commonly used for packet sniffing?

tcpdump and Wireshark Signup and view all the answers

Which component of a mail server is responsible for routing and delivering email messages between mail servers?

Mail Transfer Agent (MTA) Signup and view all the answers

What is NOT an example of Mail Transfer Agent (MTA)?

FTP Signup and view all the answers

Which file in Postfix contains global configuration settings?

/etc/postfix/main.cf Signup and view all the answers

To set up an FTP server, which command should be used to install the Postfix software?

sudo apt install postfix Signup and view all the answers

What is the purpose of setting up FTP user accounts and permissions?

To control who can access the FTP server and what files they can access Signup and view all the answers

Which command is used to start and enable the VSFTP server on Ubuntu?

sudo systemctl enable vsftpd Signup and view all the answers

What command would you use to allow FTP traffic through a firewall on port 20?

sudo ufw allow 20/tcp Signup and view all the answers

What is SAMBA primarily used for?

To share resources between Linux and Windows systems Signup and view all the answers

In the context of FTP, what does 'lcd /home/dnsuser' command do?

Change local directory to /home/dnsuser Signup and view all the answers

Which software suite allows Linux and Unix-based systems to act as Windows file and printer servers?

SAMBA Signup and view all the answers