117-201 Online Practice Questions and Answers

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

A. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.

B. Becausethiswaycrackerscannotcollectinformationaboutrootwithbootsniffers

C. To avoid writing to the disk, unless the root password is known.

D. To avoid other operating systems overwriting the Linux root partition

E. Because the disk has its own write protection that cannot change by the operating 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?

A. The Linux kernel must be recompiled.

B. The sysctl utility must be used.

C. The hdparm utility must be used.

D. This feature isn't supported in 2.4 series kernels.

E. This feature is enabled by default in 2.4 series kernels

Considering the following kernel IP routing table now, which of the following commands must be remove the route to the network l0.l0.1.0/24? Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface

200.207.199.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0

172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0

192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1

10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1

127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo

0.0.0.0 200.207.199.162 0.0.0.0 UG 0 0 0 ppp0

A. route del

10.10.1.0

B. route del 10.10.1.0/24

C. route del -net 10.10.1.0/24

D. route del 10.10.1.0/24 gw

192.168.246.11

E. route del -net

10.10.1.0

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 command will ensure that no inappropriate files were left in the kernel archive by the maintainer.

A. make depend

B. make distclean

C. make config

D. make clean

E. makemrproper

Which of the following applications utilize the device mapper? (Select TWO correct answers) A. SELinux

B. LVM2

C. EVMS

D. GRUB

E. LILO

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

A. Running ldconfig against /usr/bin/foo will show the required libraries

B. Running ldd against /usr/bin/foo will show the required libraries

C. It's necessary to compile the program again to check the library dependencies of foo.

D. The ls -la command has to be run in the /usr/bin directory, to show all library dependencies of foo.

E. Library dependencies are shown in the /usr/lib directory.

According to the configuration below, what is the e-mail address of the administrator for this domain?

$TTL 86400 $ORIGIN lpi.org @ IN SOA test.lpi.org hostmaster.lpi.org ( 20050l0l0l l0800 3600 604800 86400 )

When configuring a new kernel, what file under /usr/src/linux/ contains the configuration?

With which command can the reserved blocks count for a file-system be seen? (Please enter only the command without the path or any parameters or options)

Running tcpdump -nli ethl 'icmp' shows the following output:

11:56:35.599063 IP 192.168.123.5 > 194.25.2.129: icmp 64: echo request seq 1

11:56:35.670910 IP 194.25.2.129 > 192.168.123.5: icmp 64: echo reply seq 1

What command was used on the host 192.168.123.5, to generate this output?