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RedHat RH133 Red Hat Linux System Administration Exam Practice Test

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Total 336 questions

Red Hat Linux System Administration Questions and Answers

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Question 1

Which of the following statements about Logical Volume Management (LVM) is true?

Each correct answer represents a complete solution. Choose all that apply.

Options:

A.

It can resize volume groups online by absorbing new physical volumes (PV) or ejecting existing ones.

B.

It can resize logical volumes (LV) online by concatenating extents onto them or truncating extents from them.

C.

It cannot suffer from internal fragmentation.

D.

It can stripe whole or parts of logical volumes across multiple PVs, in a fashion similar to R AID0.

Question 2

Which of the following files must be edited to alter the run level?

Options:

A.

/etc/profile

B.

/etc/mtab

C.

/etc/inittab

D.

/etc/init

Question 3

Which of the following commands sets parameters for ext2 and ext3 filesystems?

Options:

A.

fsck

B.

mkfs

C.

fidisk

D.

tune2fs

Question 4

You work as an Administrator for McNeil Inc. The company has a Linux-based network. You are logged in as a standard user on your client computer. You have started a process 1001 as a root user. You want to kill the process. Which of the following commands will you use to accomplish the task?

Options:

A.

kill 1001 /SU

B.

su -c "kill 1001"

C.

kill 1001

D.

killall 1001

Question 5

Which of the following commands is used to modify the kernel parameters at runtime?

Options:

A.

modinfo

B.

modprobe

C.

lsmod

D.

sysctl

Question 6

Which of the following statements are true about rsync?

Each correct answer represents a complete solution. Choose all that apply.

Options:

A.

It can use any transparent remote shell, including ssh or rsh.

B.

It does not support for anonymous or authenticated rsync daemons.

C.

It does not require super-user privileges.

D.

It supports for copying links, devices, owners, groups, and permissions.

Question 7

Which of the following commands or command flags can be used to list the installed services and their associated runlevels?

Options:

A.

menuconfig

B.

chkconfig

C.

config

D.

xconfig

Question 8

Which of the following commands is used to compress files?

Options:

A.

GZIP

B.

TAR

C.

WINZIP

D.

GUNZIP

Question 9

You work as a Network Administrator for Net Perfect Inc. The company has a Linux-based network. You have created a folder named Report. You have made David the owner of the folder.

The members of a group named JAdmin can access the folder and have Read, Write, and Execute permissions. No other user can access the folder. You want to ensure that the members of the JAdmin group do not have Write permission on the folder. Also, you want other users to have Read permission on the Report folder.

Which of the following commands will you use to accomplish the task?

Options:

A.

chmod 777 report

B.

chmod 754 report

C.

chmod 555 report

D.

chown david.jadmin report

Question 10

Which of the following commands can be used to initialize a disk partition to set up the Logical Volume Manager (LVM)?

Options:

A.

vgcreate

B.

lvcreate

C.

pvcreate

Question 11

Which of the following servers can provide files required for Red Hat Linux installation process?

Each correct answer represents a complete solution. Choose all that apply.

Options:

A.

FTP

B.

HTTP

C.

SMB

D.

NFS

Question 12

Which of the following commands is used to list all contents of a superblock of a partition?

Options:

A.

tune2fs -l

B.

tune2fs -j

C.

tune2fs -f

D.

tune2fs –c

Question 13

Fill in the blank with the appropriate tool.

_________is a network diagnostic tool that combines the functionality of the traceroute and ping programs in a single network diagnostic tool.

Options:

A.

mtr

Question 14

Which of the following commands is used to verify the installed zip rpm against the RPM database?

Options:

A.

rpm -Vp zip-2.3-8.i386.rpm

B.

rpm -Va

C.

rpm -V zip

D.

rpm -qa gpg-pubkey

Question 15

You work as a Network Administrator for World Perfect Inc. The company has a Linux-based network. You have configured a Linux Web server on the network. A user complains that the Web server is not responding to requests. The process list on the server shows multiple instances of the HTTPD process. You are required to stop the Web service. Which of the following commands will you use to resolve the issue?

Options:

A.

killall httpd

B.

kill httpd

C.

stopall httpd

D.

stop httpd

Question 16

Which of the following commands displays information for all filesystems that have quota enabled?

Options:

A.

quotaon

B.

quota

C.

quota -v

D.

quotaoff

Question 17

In, which of the following directories all configuration files are usually stored?

Options:

A.

/boot

B.

/var

C.

/etc

D.

/bin

Question 18

What is the minimum RAM requirement for installing Red Hat in text-mode?

Options:

A.

256MB

B.

64MB

C.

128MB

D.

1GB

Question 19

Which of the following is a configuration file used to configure TCP wrappers?

Options:

A.

/etc/hosts.allow

B.

/etc/resolve.conf

C.

/etc/tcpwrapper

D.

/etc/hosts.conf

Question 20

Which of the following is the only domain in Xen environment from which an administrator can send command to the Hypervisor?

Options:

A.

DomainU

B.

Domain2

C.

Domain0

D.

Domain1

Question 21

Which of the following files contains users' names and UIDs?

Options:

A.

/etc/group

B.

/etc/passwd

C.

/etc/user

D.

/etc/shadow

Question 22

Which of the following commands can be used to view the name of a Linux system?

Options:

A.

ifconfig

B.

mtr

C.

/bin/hostname

D.

ping

Question 23

If /root partition is installed on /dev/hdb1, what defines /dev/hdb1?

Options:

A.

Second hard disk, second partition

B.

First hard disk, second partition

C.

Second hard disk, first partition

D.

First hard disk, first partition

Question 24

Which of the following commands can be used to determine the system's current mode?

Options:

A.

getenforce

B.

semanage

C.

getsebool

D.

setenforce

Question 25

Which of the following tools is used to view the name of a Linux system?

Options:

A.

ping

B.

hostname

C.

mtr

D.

ifconfig

Question 26

Which of the following is the parent of all processes in Linux?

Options:

A.

bash

B.

/etc/init

C.

init

D.

grub

Question 27

Which of the following commands is used to start or stop a standalone service immediately?

Options:

A.

chkconfig

B.

service

C.

ntsysv

D.

pstree

Question 28

Which of the following is the default configuration file for the ifup command?

Options:

A.

/etc/syslog

B.

/etc/sysconfig

C.

/etc/init.d

D.

/etc/syslog.conf

Question 29

What is the minimum processor requirement to install Red Hat in GUI mode?

Options:

A.

346 MHz Pentium III

B.

250 MHz Pentium I

C.

400MHz Pentium II

D.

200 MHz Pentium II

Question 30

Which of the following run levels is officially undefined?

Options:

A.

Run level 3

B.

Run level 4

C.

Run level 2

D.

Run level 5

Question 31

While installing the Linux operating system on a computer, you have to ensure that you have selected the root file system as _____.

Options:

A.

swap

B.

ext3

C.

nfs

D.

befs

E.

ntfs

Question 32

Which of the following utilities is used by the remote dump and restore programs in manipulating a magnetic tape drive through an interprocess communication connection?

Options:

A.

ssh

B.

rmt

C.

tar

D.

rcp

Question 33

What is the PID for init?

Options:

A.

3

B.

0

C.

2

D.

1

Question 34

Which of the following files should be edited to modify kernel module configuration settings?

Options:

A.

/etc/module.conf

B.

/etc/modprobe.conf

C.

/etc/inttab

D.

/etc/xinted.cong

Question 35

Which of the following files contains the names and locations of system log files?

Options:

A.

/etc/lilo.conf

B.

/usr/syslog.conf

C.

/etc/syslog.conf

D.

/usr/lilo.conf

Question 36

You work as a Network Administrator for Perfect Solutions Inc. You are required to configure a hard disk for a Linux workstation. You are using the FDISK utility to configure it. Which of the following options will you use to show all the existing partitions of the hard disk?

Options:

A.

n

B.

w

C.

1

D.

p

Question 37

When installing RHEL in the graphical interface, which of the following switches can be used to specify a resolution?

Options:

A.

lowers

B.

vnc

C.

resolution

D.

skipddc

Question 38

Which of the following files lists the file systems to be mounted automatically at startup?

Options:

A.

/etc/mtab

B.

/etc/fstab

C.

/dev/mtab

D.

/dev/fstab

Question 39

Alicia works as a System Administrator for SoftTech Inc. The company uses the Linux operating system. She wants to install Apache on the company's server. Which of the following commands will she use to check whether or not Apache is already installed on the server?

Options:

A.

rpm -U apache

B.

rpm -q apache

C.

rpm --checksig

D.

rpm -i apache

Question 40

You want to shrink a Logical Volume manager partition named /dev/disk1/lvm from 4GB to 3GB. Which of the following commands can you use to accomplish the task?

Each correct answer represents a complete solution. Choose all that apply.

Options:

A.

lvreduce

B.

resize2fs

C.

lvsize

D.

reduce2fs

Question 41

Which of the following commands can be used to overwrite an existing kernel image file?

Options:

A.

mkinitrd -v

B.

mkinitrd --preload

C.

mkinitrd --builtin

D.

mkinitrd -f

Question 42

You work as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. A user complains that his Linux computer gets rebooted occasionally. Which of the following files will provide you the required information to troubleshoot the issue?

Options:

A.

/var/log/wtmp

B.

/var/log/dmesg

C.

/var/log/bootmsg

D.

/var/log/messages

Question 43

You work as a Network Administrator for Net World International. The company has a Linux-based network. You want to upgrade an RPM package and get the status during the upgrade. Which of the following commands will you use to accomplish the task?

Options:

A.

rpm -ivh

B.

rpm -evh

C.

rpm -qvh

D.

rpm -Uvh

Question 44

You work as the Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. You are a root user on the Red Hat operating system. You want to view all files with a size of over 50 megabytes on your system. Which of the following commands should you use to accomplish the task?

Options:

A.

find size +50M

B.

find -size 50M

C.

find -size -50M

D.

find -size +50M

Question 45

You work as a Network Administrator for Tech Perfect Inc. The company has a Linux-based network. You are required to boot a server in single-user mode. Which of the following runlevels will you choose to accomplish the task?

Options:

A.

2

B.

0

C.

5

D.

3

E.

1

Question 46

Which of the following statements are true about kernel modules?

Each correct answer represents a complete solution. Choose all that apply.

Options:

A.

Kernel modules do not support executable loaders.

B.

The kernel module contains extra kernel codes that may be loaded after the loading of the base kernel.

Only a minimal resident kernel is loaded into memory at boot time.

C.

Kernel modules do not support the device drivers, network drivers, and file system drivers.

D.

Whenever a user requests a feature that is not present in the resident kernel, a kernel module is dynamically loaded into memory.

Question 47

You work as a system administrator for Tech Perfect Inc. The company has a Linux-based network. You are a root user on the Linux operating system. A user, Jetson, wants to view the speed and the duplex for his Ethernet card. His ethernet card is activated on interface eth0. Which of the following commands can you use to accomplish this task?

Options:

A.

ifup eth0

B.

ifconfig eth0

C.

ip link show eth0

D.

sudo ethtool eth0

Question 48

Which of the following run levels is used to boot a Linux computer in graphical user interface (GUI) mode?

Options:

A.

3

B.

7

C.

5

D.

9

Question 49

What command will you use to find the current runlevel of an active Linux session?

Options:

A.

runlevel

B.

init

C.

rlevel

D.

ls /etc/runlevel

Question 50

In a Linux computer, which of the following files defines run levels for the processes to be started up during boot up?

Options:

A.

/etc/inittab

B.

/etc/syslog.conf

C.

/etc/lilo.conf

D.

/etc/runlevel

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Total 336 questions