201-450 Exam Questions

What command must be used to create an ext3 file-system?

What needs to be done to enable 32 bit I/O transfer mode for (E)IDE disks, on a system running a 2.4 series Linux kernel?

DNSSEC is used for?

Which of these commands allows you to use shared libraries that are in /usr/local/lib?

Which TWO archiving formats are used to create an initramfs image?

After unpacking the source code for a Linux kernel, what is the first make command that should be run which will delete any current configuration and all generated files? This comm...

Which script, in the linux/scripts directory, can be used to add up grades or updated code to the 2.6.xx kernel source code?

What tool can you use to print shared library dependencies?

Which of the following commands will copy one disk partition /dev/sda3 to /dev/sdb3?

After unpacking source code, what file is used by configure to create a final Makefile?

User Joseph has successfully extracted and compiled a program from source code. Installing the binaries produces errors. What is the most likely reason?

You have finished updating and resolving dependencies for some source code. What command should you run before recompiling the code into binary form?

How can you manually add an entry to your system's ARP cache?

You find that a host (192.168.1.4) being used on one of your client's networks has been compromised with a backdoor program listening on port 31337. Your client requests a list of...

Which tool can be used to control the runtime behavior of udev?

Which of the following entries are NOT valid in /etc/raidtab?

A pre-compiled module has been moved to /lib/modules/<kernel-version>, but 'modprobe -a <module-name>' fails to load it. What needs to be done to enable usage of this module?

Which of the following commands should be used in a bash script that needs a variable containing the IP address of the eth0 interface? The output for the command ifconfig eth0 is s...

You have elected to use the automounter and the autofs script. Your /etc/auto.master file contains the following: /home /etc/auto.home /project /etc/auto.project /data yp:data.map...

In order to find all library dependencies of /usr/bin/foo, which of the following statement is true?

How can DMA be enabled for the device /dev/hda?

To restore the kernel source to the previous, unpatched, version, which of the following commands could be used?

If the current directory is /root and the kernel source is located in /usr/src/linux, which of the following commands should be used to apply the patch /tmp/foopatch?

A 2.6.9-ac1 kernel would be

What command should be used to find out what PCI devices can be seen, without querying the kernel?

Considering that a 2.4 series Linux kernel is being used, which kernel module must be loaded to enable CD burning with an IDE CD writer?

What command must be used to create an ext3 filesystem?

The Linux kernel is loaded successfully by the boot loader. However, straight after the kernel mounts the root filesystem, the boot process stops and an error message regarding ini...

A machine is running in single user mode and, as such, not all file-systems are accessible. What command must be run to make all of the other file-systems listed in /etc/fstab acce...

What command is used to force a file-system check, when rebooting?

What command can be used on an existing (formatted) partition, to configure the interval between disk checks when mounting partitions?

Performing a DNS lookup with dig results in this answer: ;; question SECTION: ;5.123.168.192.in-addr.arpa. IN PTR ;; ANSWER SECTION: 5.123.168.192.in-addr.arpa. 600 IN PTR linuserv...

Which of the following commands will securely copy the directory ./fyf/ to /var/tmp/ on the remote host deltaur using the remote user account kevin?

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

Your routing configuration relies on eth0 being a 3com card that requires the 3c59x module. What line must be added to modules configuration file, to ensure that eth0 always uses t...

What backup arrangement should be used for an intranet web server the contents of which is updated fairly regularly by different staff?

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

Which of the following commands can be used to access the content of a ramdisk file (/boot/initrd) used by the kernel at boot time?

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==...

Which of the following sentences is true for the shown BIND9 configuration? options { directory "/var/named"; allow-query { any; }; allow-recursion {127.0.0.1; 10.0.0.0/24; }; forw...

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

A system is running out of swap space. To initialise 5GB of additional swap space, which combination of commands should be used?

Hundreds of people log in to a server from remote locations per day. Which of the following commands show remote SSH, FTP & telnet sessions for a particular day?

What command is used to mount a floppy disk image under /mnt/floppy?

What information can be found in the log file specified by the status parameter in OpenVPN's server.conf? (Select TWO correct answers)

After changing the default runlevel in the init configuration file, the system boots in a different than the intended runlevel. Where else could be this different runlevel be defin...

A BIND server should never answer queries from certain networks or hosts. Which configuration directive could be used for this purpose?

What is the purpose of a PTR record?

What directive can be used in named.conf to restrict zone transfers to the 192.168.1.0/24 network?

To securely use dynamic DNS updates, the use of TSIG is recommended. Which TWO statements about TSIG are true?