Correct Answers :

[A]

Explanation :

When using smbpasswd without further arguments, the current Samba password for an existing user will be changed. Use -a to add a new user account.

Correct Answers :

[A]

Explanation :

When you use samba_share_t , the Samba service automatically has read access and write access to the share.

Correct Answers :

[C]

Explanation :

The use_samba_home_dirs Boolean is used to use Samba home directories on remote servers.

Correct Answers :

[B]

Explanation :

Explanation: The smbclient -L command lists Samba shares that are available on a Samba server.

Correct Answers :

[C]

Explanation :

cifscreds is the command that Samba users use for accessing a Samba multiuser share and is not used as a mount option.

Correct Answers :

[C]

Explanation :

The postqueue -f command flushes all messages in the queue. This means that all messages currently waiting in the queue will be sent immediately.

Correct Answers :

[B]

Explanation :

The /var/log/maillog file is used as the default destination to log messages about success and failure of email delivery. This is a default setting in the rsyslog configuration.

Correct Answers :

[B]

Explanation :

The postconf -e command enables you to change values in the Postfix configuration. Do not forget to reload the Postfix service after doing this to make the changes effective!

Correct Answers :

[C]

Explanation :

On the receiving mail server, the mail server needs to know which domains it should receive messages for. To do this, set the mydestination parameter to include at least the current domain.

Correct Answers :

[A]

Explanation :

Explanation:

The mail command needs a dot at the end of the command to indicate that the end of the message has been reached. In Answer A, this dot is fed into the system by using input redirection.

Correct Answers :

[C]

Explanation :

The UseDNS option looks up the IP address of incoming client connections so that a hostname verification can be done. In test environments, where DNS is not always set up, this might significantly slow down the authentication procedure, and for that reason, this option should be switched off in test environments.

Correct Answers :

[D]

Explanation :

The UseDNS option may speed up creating the connection, but it does not help in keeping the connection alive. The other three options mentioned do.

Correct Answers :

[B]

Explanation :

The optional ~/.ssh/config file is used to set connection options for individual clients. The /etc/ssh/ssh_config is used to set options for all clients.

Correct Answers :

[C]

Explanation :

The ssh-agent /bin/bash command starts the ssh-agent, which takes care of caching passphrases. After starting ssh-agent, you need to add the passphrase using ssh-add . You must repeat this procedure each time a new session is created.

Correct Answers :

[A]

Explanation :

The command needs to be specified as follows: LocalPort:localhost:remotePort root@remoteServer .

Correct Answers :

[D]

Explanation :

The local stratum 10 statement can be enabled in /etc/ chrony.conf to enable synchronization with the local reference clock. Notice that this line does not need to include the word server .

Correct Answers :

[A]

Explanation :

The clock that chrony currently is synchronized with is indicated with a *. ? is used for a source to which connectivity has been list, + is another acceptable source, and x is used for an unreliable clock.

Correct Answers :

[D]

Explanation :

The chronyc sources command shows which servers chrony currently is using to synchronize with.

Correct Answers :

[C]

Explanation :

The chronyc tracking command shows detailed information about the current system time and how it differs from the time that is offered by the time sources.

Correct Answers :

[B]

Explanation :

The chronyc sourcestat command gives detailed information about drift rate and offset of the time sources that currently are used.