202-450 Exam Questions

How can a user's default shell be checked, by querying an NIS server?

A network has many network printers connected and they should get their addresses using DHCP. What information from each printer is needed to always assign them the same IP address...

Which daemon is required on the client if an ethernet device gets its IP address from a central server?

Which TWO of the following wireless tools can be used to check the wireless network link quality?

Given this excerpt from an Apache configuration file, which of the numbered lines has INCORRECT syntax? 1: <VirtualHost *:80> 2: ServerAdmin [email protected] 3: DocumentRo...

Select the TWO correct statements about the following excerpt from httpd.conf: <Directory /var/web/dir1> <Files private.html> Order allow, deny Deny from all </Files> </Directory>

Considering the following excerpt from the httpd.conf file, select the correct answer below: <Location> AllowOverride AuthConfig Indexes </Location>

Which of the following lines in the Apache configuration file would allow only clients with a valid certificate to access the website?

Which TWO of the following options are valid, in the /etc/exports file?

Which of the following is needed, to synchronise the UNIX password with the SMB password, when the encrypted SMB password in the smbpasswd file is changed?

What command can be used to check the Samba configuration file?

The new file server is a member server of the Windows domain foo. Which TWO of the following configuration sections will allow members of the domain group all to read, write and ex...

Which command can be used to list all exported file systems from a remote NFS server:

During which stage of the boot process would this message be seen? Ide0: BM-DMA at 0xff00-0xff07, BIOS settings: hda:DMA, hdb:DMA

Where should the LILO code reside, on a system with only one installation of Linux and no other operating systems?

During which stage of the boot process would this message be seen? ide_setup:hdc=ide-scsi

What happens when the Linux kernel can't mount the root filesystem when booting?

Messages from programs are not appearing in the user's native language. What environment variable must be set for this to happen?

When bash is invoked as an interactive login shell, which of the following sentences is true?

Why is the root file system mounted read-only during boot and remounted with write permission later on?

Which of the following configuration lines will export /usr/local/share/ to nfsclient with read-write access, ensuring that all changes are straight to the disk?

A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CD-ROM, how can the lost GRUB first stage loader be recovered?

Journalling doesn't appear to be working on an ext3 file-system. When booting, the following line appears: VFS: Mounted root (ext2 filesystem) readonly. What could be causing the p...

After setting up Apache to run inside a chroot jail as a non-root user, httpd no longer starts. What is the primary cause of the problem?

Which is a valid Squid option to define a listening port?

What is the name of the network security scanner project which, at the core, is a server with a set of network vulnerability tests (NVTs)?

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

What is the standard port number for the unencrypted IMAP service?

Which of the following sentences is true about ISC DHCP?

The host, called "lpi", with the MAC address "08:00:2b:4c:59:23" should always be given the IP address of 192.168.1.2 by the DHCP server. Which of the following configurations will...

Which dhcpd.conf option defines the DNS server address(es) to be sent to the DHCP clients?

What is a significant difference between host and zone keys generated by dnssec-keygen?

According to the BIND configuration file below, which of the following sentences is true?

Which of these would be the simplest way to configure BIND to return a different version number to queries?

A BIND server should be upgraded to use TSIG. Which configuration parameters should be added, if the server should use the algorithm hmac-md5 and the key skrKc4DoTzi/tAkllPi7JZA==...

What is DNSSEC used for?

Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24?

Which of the following is true, when a server uses PAM authentication and both /etc/pam.conf & /etc/pam.d/ exist?

Which of the following tools, on its own, can provide dial-in access to a server?

When configuring a PPP dial-in server, which option is used (in the pppd configuration file) to enable user authentication against the system password database?

Which of the following commands can gather entries from the specified administrative NIS database group?

What could be a reason for invoking vsftpd from (x) inetd?

An SSH server is configured to use tcp_wrappers and only hosts from the class C network 192.168.1.0 should be allowed to access it. Which of the following lines would achieve this,...

Which TWO of the following statements about xinetd and inetd are correct?

A correctly-formatted entry has been added to /etc/hosts.allow to allow certain clients to connect to a service, but this is having no effect. What would be the cause of this?

Which TWO /etc/hosts.allow entries will allow access to sshd from the class C network 192.168.1.0?

Which TWO of the following statements about the tcp_wrappers configuration files are correct?

What is the appropriate configuration file entry to allow SSH to run from inetd?

On a newly-installed mail server with the IP address 10.10.10.1, ONLY local networks should be able to send email. How can the configuration be tested, using telnet, from outside t...

Which entry in the .procmailrc file will send a copy of an email to another mail address?