Linux Professional Institute LPIC-2 201-450 Practice Questions

dumps2022-01-25T06:55:02+08:00

Passing Lpi 201-450 exam is a required step for you to earn Linux Professional Institute LPIC-2 certification. We all know that there are 60 multiple-choice questions in real Lpi certification 201-450 exam, and you have 90 minutes to complete all the questions. The 201-450 exam languages are English, German, Japanese, and so on. Free Linux Professional Institute LPIC-2 201-450 practice questions are available below.

Page 1 of 12

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

mkext3fs

mkjfs

mke3fs

mke2fs

mkext2fs

2. 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?

The Linux kernel must be recompiled.

The sysctl utility must be used.

The hdparm utility must be used.

This feature isn't supported in 2.4 series kernels.

This feature is enabled by default in 2.4 series kernels

3. DNSSEC is used for?

Encrypted DNS queries between nameservers.

Cryptographic authentication of DNS zones.

Secondary DNS queries for local zones.

Defining a secure DNS section.

Querying a secure DNS section.

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

export LD_PRELOAD=/usr/local/lib

export LD_LIBRARY_PATH=/usr/local/lib

ldconfig /usr/local/lib

ldd /usr/local/lib

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

gzip

tar

rar

cpio

bzip2

6. 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.

make depend

make distclean

make config

make clean

make mrproper

7. 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?

patch

patch-kernel

kernel-update

upgrade-kernel

upgrade

8. What tool can you use to print shared library dependencies?

ldconfig

ldd

libdep

libpath

ldev

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

dd if=/dev/sdb3 of =/dev/sda3 bs=4096 conv=notrunc

dd if=/dev/sda3 of=/dev/sdb3 bs=4096 conv=notrunc

dd --input /dev/sda3 --output /dev/sdb3 bs=4096 conv=notrunc

dd --input /dev/sdb3 --output /dev/sda3 bs=4096 conv=notrunc

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

configure.in

configure.ac

Makefile.in

Makefile.tmpl

Page 2 of 12

11. User Joseph has successfully extracted and compiled a program from source code. Installing the binaries produces errors.

What is the most likely reason?

The source code was compiled for a different CPU

The permissions set in the /usr/bin directory are wrong

The binaries require root privileges to be installed

The wrong prefix was used during configuration of the source code

12. You have finished updating and resolving dependencies for some source code.

What command should you run before recompiling the code into binary form?

make clean

make all

make dep

make install

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

Directly edit /etc/arp-cache

Run add-arp hostname FF:FF:FF:FF:FF:FF

Run ping -a hostname

Run arp -s hostname FF:FF:FF:FF:FF:FF

Edit arp.conf and restart arpd

14. 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 originating IP addresses connecting to that port.

Using a Linux workstation as traffic analyzer, which of the following commands would gather the data requested by the client?

tcpdump host 192.168.1.4 and port 31337 -w out

nmap host 192.168.1.4:31337

arpwatch -n 192.168.1.4/32 -p 31337 > capture

pcap -d 192.168.1.4:31337

ipwatch --syn 192.168.1.4 -p 31337 --1og=out

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

udev

udevctl

udevadm

udevconfig

udevclient

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

superblock-persistent

chunk-size

nr-spare-disks

nr-raid-disks

17. 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?

make modules_install must be run.

depmod must be run.

The kernel must be re-compiled.

modules.conf or modprobe.conf must be edited.

The system must be rebooted.

18. 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 shown below:

eth0 Link encap:Ethernet HWaddr 00:0C:29:CB:FA:30

inet addr:192.168.246.11 Bcast:192.168.246.255 Mask:255.255.255.0 UP BROADCAST

RUNNING MULTICAST MTU:1500 Metric:1

RX packets:4721 errors:0 dropped:0 overruns:0 frame:0 TX packets:3216 errors:0

dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000

RX bytes:445184 (434.7 Kb) TX bytes:512968 (500.9 Kb) Interrupt:185 Base address:0x1080

IP=LANG= ifconfig eth0 | awk '{ print $2 }' | cut -f2

IP=`LANG= ifconfig eth0 | grep inet | cut -d: -f2 | awk { print $1 }`

IP=`LANG= ifconfig eth0 | awk '{ print $3 }'`

IP=$(LANG= ifconfig eth0 | grep inet | awk '{ print $2 }' | cut -d: -f2)

IP=$(LANG= ifconfig eth0 | grep inet | cut -d: -f2)

19. 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

If you change the contents of /etc/auto.project to include a new source path what must be done to access the new path?

Shutdown and restart the local NFS client daemons

Run fsck on the affected mount point

Issue the /etc/init.d/autofs reload command

Add the newly mapped path to/etc/fstab

Nothing Simply access the newly mapped resource

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

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

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

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

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

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

Page 3 of 12

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

echo "1" >/proc/ide/hda/dma

sysctl -w dev.ide.dma=1

dma add /dev/hda

hdparm -d 1 /dev/hda

insmod dma dev=/dev/hda

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

patch --restore

patch --remove

patch -U

patch --undo

patch -R

23. 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?

cat /tmp/foopatch | patch -p0

cd/usr/src/linux; cat/tmp/foopatch | patch -p0

cd/usr/src/linux; cat/tmp/foopatch | patch

cd/usr/src/linux; patch -p1 </tmp/foopatch

cd/usr/src/linux; patch -p1 >/tmp/foopatch

24. A 2.6.9-ac1 kernel would be

an alpha kernel.

someone's patch to a stable kernel.

a stable kernel.

an unstable kernel.

someone's patch to an unstable kernel.

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

kernel?

lspci -v

lspci -s

lspci -x

lspci -b

lspci -p

26. 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?

ide-cd

ide-cdrw

ide-cdb

ide-scsi

None of the above

27. What command must be used to create an ext3 filesystem?

mke2fs

mkext2fs

mke3fs

mkext3fs

mkjfs

28. 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 init is shown.

Which of the following actions is the best one to be used in order to identify and fix the problem?

The administrator reboots the system with a recovery disk and checks the root file system for errors with fsck.

The administrator reboots the system with a recovery disk and restores from a backup.

The administrator reboots the system and tells the kernel, through the boot loader prompt, to use /bin/bash as the initial process.

The administrator reboots the system with a recovery disk and installs a new kernel.

The administrator reboots the system and tells init, through the boot loader prompt, to use a different runlevel.

29. 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 accessible?

mount --all

mountfs --all

mountfs -a

mount -a

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

reboot-f

shutdown -f now

shutdown -c -r now

fsck -r

shutdown -F -r now

Page 4 of 12

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

mke2fs

e2fsck

e2fsckconfig

config2fs

tune2fs

32. 168.192.in-addr.arpa. 600 IN NS linuserv.example.net.

;; ADDITIONAL SECTION:

linuserv.example.net. 600 IN A 192.168.123.5

What might be wrong in the zone definition?

Nothing. All seems to be good.

There's no "." after linuserv.example.net in the PTR record in the forward lookup zone file.

There's no "." after linuserv in the PTR record in the forward lookup zone file.

There's no "." after linuserv.example.net in the PTR record in the reverse lookup zone file.

The "." in the NS definition in reverse lookup zone has to be removed.

33. 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?

rsync -a -e ssh kevin@deltaur:/var/tmp/ fyf/

rsync -a -u kevin -e ssh fyf/ deltaur:/var/tmp/

rsync -a -u kevin -e ssh deltaur:/var/tmp/ fyf/

rsync -a -e ssh fyf/ kevin@deltaur:/var/tmp/

34. 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 problem?

An old version of e2fsprogs is installed.

The kernel does not contain ext3 support.

The file-system is specified as ext2 in/etc/fstab.

The system was not shut down cleanly.

35. 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 this module?

eth0=3c59x

alias eth0=3c59x

alias eth0 3c59x

set eth0 3c59x

set eth0=3c59x

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

Daily incremental backups with a weekly full backup tape sent off- site

Monthly full backups with the tape sent off-site

Daily full backups with all tapes sent off-site

Weekly full backups with all tapes sent off-site

Daily full backups with one tape sent off-site per week

37. During which stage of the boot process would this message be seen?

Ide0: BM-DMA at 0xff00-0xff07, BIOS settings: hda: DMA, hdb: DMA

Boot loader start and hand off to kernel

Kernel loading

Hardware initialization and setup

Daemon initialization and setup

38. 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?

mount /boot/initrd /mnt/ -0 loop; cat /mnt

mkintird -d /boot/initrd; mount /boot/initrd /mnt/ -o loop

cp /boot/initrd /tmp/initrd.gz; mount /tmp/initrd /mnt/ -o loop

cp /boot/initrd /tmp/initrd.gz; gunzip initrd.gz; mount /tmp/initrd /mnt/ -o loop

cp /boot/initrd /tmp/initrd.gz; gunzip initrd.gz; mount /tmp/initrd /mnt/

39. 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== ?

TSIG server.example.com. algorithm hmac-md5; secret "skrKc4DoTzi/tAkllPi7JZA=="; };

key server.example.com. { algorithm hmac-md5; secret skrKc4DoTzi/tAkllPi7JZA==; };

key server.example.com. { algorithm hmac-md5; secret "skrKc4DoTzi/tAkllPi7JZA=="; };

key server.example.com. { algorithm=hmac-md5; secret="skrKc4DoTzi/tAkllPi7JZA=="; };

key server.example.com. { algorithm hmac-md5 secret "skrKc4DoTzi/tAkI1Pi7JZA==" };

40. 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; };

forwarders {192.168.0.4; };

forward first;

};

zone"." {

type hint;

file "named.ca";

};

Any host, from any network, may use this server as its main DNS server.

If the server doesn't know the answer to a query, it sends a recursive query to 192.168.0.4.

If the server doesn't know the answer to a query, it sends a query to a root DNS server.

Hosts in the network 10.0.0.0/24 will be able to ask for zone transfers.

If the server doesn't know the answer to a query, it sends a recursive query to 192.168.0.4 and, if this fails, it returns a failure.

Page 5 of 12

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

There is no difference.

Zone key files contain a public and private key.

Host keys files contain a public and private key.

Host keys must always be generated if DNSSEC is used; zone keys are optional

Zone keys must always be generated if DNSSEC is used; host keys are optional

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

dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile

dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swap on /tmp/swapfile

dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount /tmp/swapfile

touch -5G /tmp/swapfile; swapon /tmp/swapfile

mkswap /tmp/swapfile 512000; swapon /tmp/swapfile

43. 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?

cat /var/log/messages | grep "'date "+%b %e"'" | egrep '(telnet|ssh|ftp)'

cat /var/log/messages | egrep '(telnet|ssh|ftp)'

cat /var/log/messages | grep "`date "+%b %e"`" | grep -E '(telnet|ssh|ftp)'

cat /var/log/messages | date | egrep '(telnet|ssh|ftp)'

cat /var/log/messages > grep "'date "+%b %e"'" > egrep '(telnetsshftp)'

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

mount -1 root.img /mnt/floppy

mount --loop root.img /mnt/floppy

mount root.img /mnt/floppy

mount root.img

mount -o loop root.img /mnt/floppy

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

Errors and warnings generated by the openvpn daemon

Routing information

Statistical information regarding the currently running openvpn daemon

A list of currently connected clients

A history of all clients who have connected at some point

46. 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 defined?

Nowhere. The init configuration file wasn't properly modified

In the boot loader configuration file

In /etc/ runlevel under default

In the initrd image file

In the /etc/rc.d/rc.local file

47. A BIND server should never answer queries from certain networks or hosts.

Which configuration directive could be used for this purpose?

deny-query { ...; };

no-answer { ...; };

deny-answer { ...; };

deny-access { ...; };

blackhole { ...; };

48. What is the purpose of a PTR record?

To provide name to IP resolution.

To provide IP to name resolution.

To direct email to a specific host.

To provide additional host information.

To direct clients to another nameserver.

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

allow-transfer { 192.168.1.0/24; };

allow-transfer { 192.168.1.0-192.168.1.0.255; };

allow-axfr { 192.168.1.0/24; };

allow-xfer { 192.168.1.0/24; };

50. To securely use dynamic DNS updates, the use of TSIG is recommended.

Which TWO statements about TSIG are true?

TSIG is used for zone data encryption

TSIG is a signal to start a zone update

TSIG is used in zone files

TSIG is used only in server configuration

Servers using TSIG must be in sync (time zone!)

Page 6 of 12

51. Which THREE statements concerning automounter are true?

The autofs service does not need to be restarted after changing automounter map files

Only one entry in master map can refer to each map file

The automounter service does not rely on the kernel configuration

For each entry in auto.master, a separate automounter daemon is started

Changes to auto.master require automounter to reload its configuration

52. What are typical targets in a makefile?

CFLAGS, CPPFLAGS, LIBS, LDFLAGS

clean, install, uninstall

PATHS, DESTDIR, LIBS, LDFLAGS

prefix, exec_prefix, bindir, mandir

53. Which single command will extract data from the file abc.tar.bz2

bunzip2

tar

gzip

gunzip

54. How would you run named inside a chroot jail as user nobody and group nogroup?

Add "user nobody; group nogroup; chroot /var/named/root" to named.conf

named runs as nobody/nogroup by default, so just invoke it as "name --chroot /var/named/root"

Use /usr/bin/chroot after running "chown nobody.nogroup named"

Invoke named as "named -t /var/named/root -u nobody"

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

In the master boot record

In the boot sector

In the /boot directory

At the start of the kernel

56. The Human Interface Device (HID) is being used, which of the following represents a USB mouse connected to the PC?

/dev/psaux

/dev/ttyS0

/dev/input/mice

/dev/usb/mouse0

/dev/ttyUSB0

57. Select the TWO correct alternatives regarding the kill -9 command:

Its use should be avoided and other alternatives should be tried before it.

Its use can occasionally cause the data loss.

It is possible that zombie processes can be created as a consequence of its use.

It can always be used with no restrictions.

Its frequent use can increase the RAM utilization.

58. The server has two network cards. The driver for the first card is the module 8139too and the driver for the second card is the module ne2k-pci.

How is it possible to ensure that the card using the 8139too driver is detected before the card using the ne2k-pci driver?

modprobe 8139too dev=eth0; modprobe ne2k-pci dev=eth1

install mod 8139too; install mod ne2k-pci

modprobe eth0=8139too, eth1=ne2k-pci

ifconfig modadd eth0=8139too, eth1=ne2k-pci

modprobe 8139too; modprobe ne2k-pci

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

Compile BIND with the option -blur-version=my version.

Set version-string "my version" in BIND's configuration file.

Set version "my version" in BIND's configuration file.

Set version=my version in BIND's configuration file.

Set version-bind "my version" in BIND's configuration file.

60. 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 this?

The script has not been declared in /etc/services

runlevel 2 is not declared in /etc/inittab

The script has the permissions 700 and is owned by root

A corresponding link was not created in /etc/rc2.d

Page 7 of 12

61. In order to generate a pair of asymmetric keys to use during an SSH connection, please choose the correct command to use?

ssh-keygen -t dsa

ssh-agent

sshd

ssh-agent -t dsa

ssh-keyscan -t dsa

62. Consider the following output from df -i:

Filesystem Inodes IUsed IFree IUse% Mounted on

/dev/md0 1966080 45044 1921036 3% /

none 125731 712 125019 1% /dev

none 127729 1 127728 1% /dev/shm

none 127729 17 127712 1% /var/run

none 127729 2 127727 1% /var/lock

none 1966080 45044 1921036 3% /var/lib/ureadahead/debugfs

/dev/sde1 0 0 0 - /mnt

What filesystem does /dev/sde1 most likely use?

ext2

ext3

reiserfs

xfs

63. Why shouldn't you use the options -z and -j when using tar with a magnetic tape backup?

In case of damaged tape uncompressed tar archives may allow partial recovery of the backup

Standard Linux compression software and hardware compresion in the tape drive will cause bigger files on the tapes.

Standard Linux compression software won't be able to write to sequential tape media.

Backup and restore performance will be better if we don't introduce the compression delay into the process

The tape drive hardware-based compression achieves higher compression rates than either gzip or bzip2 software based compression.

64. Using only commands included with named, what is the command, with options or parameters, to make named re-read its zone files?

65. Which file contains configuration data for automount? Please enter the complete path.

66. On a system with separate partitions for /, /usr, /var & /tmp, which filesystem can safely be mounted read-only?

67. Which mount option must be used in the example /etc/fstab entry below, to ensure that a specific filesystem is not mounted when the system is booted?

/dev/hdd /media/cdrom iso9660 _____________________,ro 0 0

68. With which command can the reserved blocks on /dev/hda1 be displayed? (Enter the command with all parameters and/or options)

69. After a lot of write operations, the changes should be written to the disk.

Please enter the appropriate command, without the path or any options or parameters, that would achieve this.

70. What is the correct parameter to pass to the kernel at boot time to force it to use only one of the available processors?

Page 8 of 12

71. Consider the following /etc/fstab file:

/dev/hda1 swap swap defaults 0 0

/dev/hda2 / ext2 defaults 1 1

/dev/hda3 /home ext2 defaults 1 2

none /proc proc defaults 0 0

/dev/fd0 /media/floppy vfat user,noauto 0 0

What command can an ordinary (non-root) user use to mount a floppy disk in this system? (Please enter the command with all parameters and/or options)

72. How can the label root be added to the ext2 file-system on /dev/sda1?

Please enter the command with all parameter(s) and/or option(s):

73. How can a journal added, non-destructively, to the ext2 file-system on /dev/dg/lv05?

Please enter the command with all parameter(s):

74. You want to change the file that contains the message which is used at the login prompt when users log in locally. Please enter the file including the path.

75. Which environment variable you have to setup to use shared libraries that are not in the standard

search path?

76. You wish to notify all users that you have to take down a service on which they rely.

What command will allow you to send a message to all currently logged on users? Enter only the command, not the path.

77. 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 (

2005010101

10800

604800

86400 )

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

79. What is the command that will extract information, such as module parameters, from the Linux Kernel modules and print this information to the command line? (Please specify only the command with no path information)

80. In which directory is the Linux kernel documentation be found?

Page 9 of 12

81. When compiling kernel modules, which make target will remove most generated files but keep the config file and enough build support to build external modules? (Please enter only the make target and no other words)

82. You need to recover some data from a magnetic tape and it is the second file on the media. The following command is being attempted:

mt -f /dev/nst0 _______

What is the mt operation that will position the tape on the first block of the second file? (Please specify the operation with no other parameters)

83. The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.

84. Which option, when passed to the hostname command, will return the name of the DNS domain? (Provide only the option)

85. What tool can be used to send kernel boot messages to a remote server?

86. Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?

87. What command will search for physical defects on a hard drive and will mark these defects so that they are no longer used? (Please specify the command with no path information)

88. Which command will prevent the service ldap from starting on a Debian system in all runlevels,

forcing the removal of all symlinks in /etc/rcX.d? (Provide the command without any options or parameters)

89. What command will remove the physical volume /dev/sda4 from the volume group /dev/vg0?

(Provide the command with options and parameters)

90. In order to provide notices and information to users when they log in to a server, what file must be modified to give these notices? (Please provide the file with full path information)

Page 10 of 12

91. Which single parameter, when passed to nmap, will instruct nmap to perform a fast scan? (Provide only the option)

92. Which directory contains the PCMCIA configuration files?

93. After configuring a new 2.4 series kernel, all dependencies, such as include files, need to be created.

How can this be achieved? Please enter the complete command.

94. You have installed some new libraries, but these are not available to programs and are not listed by ldconfig -p.

What file should the path to the libraries be added to, before running ldconfig?

95. You are not sure whether the kernel has detected a piece of hardware in your machine.

What command, without options or parameters, should be run to present the contents of the kernel ring- buffer?

96. According to the tcpdump output below, what is the IP address of the client host?

14:17:19.225220 IP 192.168.1.106.33239 > 192.168.1.127.22: S 4158312222, win 5840, options [mss 1460,sackOK,TS val 806043 ecr 0,nop,wscale 6]

14:17:19.242943 IP 192.168.1.127.22 > 192.168.1.106.33239: S. 4013568495 ack 4158312223, win 5792, options [mss 1460,sackOK,TS val 565852 ecr 806043,nop, wscale 6]

14:17:19.243111 IP 192.168.1.106.33239 > 192.168.1.127.22: . ack 1, win

92, options [nop,nop,TS val 806045 ecr 565852]

14:17:19.264654 IP 192.168.1.127.22 > 192.168.1.106.33239: P. seq 1:40, ack 1, win 91, options [nop,nop,TS val 565856 ecr 806045]

97. Which chkconfig command will display whether or not the service ldap is configured to start in each runlevel? (Provide the command and any options or parameters)

98. On a server running the 2.6.27-11 Linux kernel, which file in the/boot directory contains the kernel configuration parameters?

99. Which program lists information about files opened by processes and produces output that can be parsed by other programs?

100. Please enter the complete path to the main configuration file for syslogd, which logs system messages on Linux systems?

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101. 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)

102. What command is used to create a file-system to be burned to a CD? (Please enter the command without the path or any options or parameters)

103. The administrator notices that a 10GB ext2 file-system used only for data storage has approximately 540MB reserved for root.

Which command can be used to change the file-system parameters to make all of the partition available to users, WITHOUT losing data? Please enter only the command without path, options or parameters.

104. For interpreting system rc scripts a shell is most commonly used. Please enter the first line found in such scripts.

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

106. This program has 3 operating modes: copy-in mode, copy-out mode, and copy-pass mode, and is used to copy files into or out of archives.

What program is this? (Please provide the command name only, with no arguments or path.)

107. Running tcpdump -nli eth1 '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?

108. Which port must be open on a firewall, to allow a DNS server to receive queries? (Enter only the port number).

109. Which type of DNS record defines which server(s) email for a domain should be sent to?

110. What is the location of the main udev configuration file? (Specify the full path and filename)

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111. After calling ./configure with its appropriate parameters and no errors, what would be the next command to run?

112. Which site-specific configuration file for the shadow login suite must be modified to log login failures? Please enter the complete path to that file.

113. Please enter, separated with a space but without paths, the TWO archive programs needed in addition to gzip, to extract files from a .deb file without using the Debian package manager.

Linux Professional Institute LPIC-2 201-450 Practice Questions

Linux Professional Institute LPIC-2 201-450 Practice Questions

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