202-400 Exam Questions

Which file can be used to make sure that procmail is used to filter a user's incoming email?

A user is on holiday for two weeks. Anyone sending an email to that account should receive an auto-response. Which of the following procmail rules should be used, so that all incom...

What security precautions must be taken when creating a directory into which files can be uploaded anonymously using FTP?

What is the correct format for an ftpusers file entry?

A security-conscious administrator would change which TWO of the following lines found in an SSH configuration file?

A system monitoring service checks the availability of a database server on port 5432 of destination.example.com. The problem with this is that the password will be sent in clear t...

What must be done on a host to allow a user to log in to that host using an SSH key?

Which of the following defines the maximum allowed article size in the configuration file for INN?

What is the name of the dovecot configuration variable that specifies the location of user mail?

What is the missing keyword in the following configuration sample for dovecot which defines which authentication types to support? (Specify only the keywork) auth default { ______...

What does the following procmail configuration section do? :0fw * < 256000 | /usr/bin/foo

Which setting in the Courier IMAP configuration file will tell the IMAP daemon to only listen on the localhost interface?

You suspect that you are receiving messages with a forged From: address. What could help you find out where the mail is originating?

You have to mount the /data filesystem from an NFS server(srv1) that does not support locking. Which of the following mount commands should you use?

After changing /etc/exports on a server, remote hosts are still unable to mount the exported directories. What should be the next action? Please select TWO correct answers.

In what mode is your FTP session when the client side makes the connections to both the data and command ports of the FTP server?

Which of the following organisations track and report on security related flaws in computer technology? (Please select TWO answers)

Which of the following Linux services has support for only the Routing Information Protocol (RIP) routing protocol?

Which of the following is NOT included in a Snort rule header?

Which environment variables are used by ssh-agent? (Please select TWO variables)

What tool scans log files for unsuccessful login attempts and blocks the offending IP addresses with firewall rules?

Running sysctl has the same effect as:

Which files are read by the lsdev command? (Please specify THREE answers)

Which of the following describes the main purpose of strace?

The following data is some of the output produced by a program. Which program produced this output? strftime (" Thu", 1024, "%a", 0xb7f64380) =4 fwrite ("Thu", 3, 1, 0xb7f614e0) =1...

On bootup, LILO prints out LIL and stops. What is the cause of this?

A server was rebuilt using a full system backup but with a different disk setup. The kernel won't boot, complaining it cannot find the root filesystem. Which of the following comma...

An administrator wants to issue the command echo 1 >/var/ log/boater.log once all of the scripts in /etc/rc2.d have been executed. What is the best way to accomplish this?

An administrator has placed an executable in the directory /etc/init.d, however it is not being executed when the system boots into runlevel 2. What is the most likely cause of thi...

For an LDAP client configuration, the LDAP base needs to be set. Which TWO of the following actions would achieve that?

Which of the following options can be passed to a DHCP client machine using configuration options on the DHCP server?

Which answer best describes the meaning of the following LDAP search command: ldapseareh -x" (&(cn=marie)(telephoneNumber=9*))"

In a PAM configuration file, a sufficient control allows access:

Which of the following sentences is TRUE about FreeS/WAN?

Which Apache directive allows the use of external configuration files defined by the directive AaccessFileName?

Which of the following is recommended to reduce Squid's consumption of disk resources?

Which ACL type in Squid's configuration file is used for authentication purposes?

The listing below is an excerpt from a Squid configuration file:

In the file /var/squid/url_blacklist is a list of URLs that users should not be allowed to access. What is the correct entry in Squid's configuration file to create an acl named bl...

Users in the ACL named sales_net must only be allowed to access to the Internet at times specified in the time_acl named sales_time. Which is the correct http_access directive for...

What of the following is NOT a valid ACL type, when configuring squid?

Which Squid configuration directive defines the authentication method to use?

The Internet gateway connects the clients with the Internet by using a Squid proxy. Only the clients from the network 192.168.1.0/24 should be able to use the proxy. Which of the f...

The syntax of the procmail configuration file is?

Which of the following recipes will append emails from "root" to the "rootmails" mailbox?

The internal network (192.168.1.0-192.168.1.255) needs to be able to relay email through the site's sendmail server. What line must be added to /etc/mail/access to allow this?

The following is an excerpt from a procmail configuration file: :0 c * ! ^To: backup ! backup Which of the following is correct?

Which network service or protocol is used by sendmail for RBLs (Realtime Blackhole Lists)?

A user requests a "hidden" Samba share, named confidential, similar to the Windows Administration Share. How can this be configured?

How must Samba be configured so that it can check passwords against the ones in /etc/passwd and /etc/shadow?