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Where does the users login record log get stored
/var/log/users
Which of the following is a true for the creating a physical volume in lun
Pvcreate support only raw device
Which option is right to change an ext2 file sys into ext3 file sus enabling journal feature on /dev/sdxx
Tune 2fs –j /dev/sdxx
Which command provides statistics about incoming and outgoing traffic
Netstat –s
Which option is true for gpgcheck enabling for yum repository function
Gpgcheck=1
Which one of the following is Invalid RAID level
11
How to find the documentation and man files to iostat command using rpm command
Rpm –rdf /usr/bin/iostat****
Which of the only partition mounted during single user mode
/root**
Which command will collect individual CPU and overall CPU utilization
sar –p All 11
which among the following interacts directly with system hardware
kernel
User’s primary group id is listed in which file at the time of creation of the user can a standard UNIX system.
/etc/passwd
Using which command you find resource limits to the session?
Ulimit
Any files attribute information Is stored in which structure of the disk
Inode
What statistics doesn’t provide by vmstat command
uptime
Which command will show us the state of the RAID drives
None of the above
Which protocol used by ping and traceroute command
ICMP
Which command is used to mount a files system read only
Mount –r ******
In which file Gateway entry can be made
/etc/sysconfig/network***
What command used to know rmdir provided by which package
Yum check rmdir
Yum provides /bin/rmdir****
When 1 disk fails in a RAID 5 array within a hot spare which 1 of the following statement is true.
Both reads and writes can continue
RAID Questions
Which of the following RAID levels guarantees double disk failure protection?
Raid 5
Which one of the following is an invalid RAID level?
Raid 80
If read and write performance is the only criterion, which would you choose?
RAID 0
Which of the following suffers from write hole problem?
RAID 5
What is the name of raid module in a linux kernel?
md
Which of the following RAID levels are nested?
Raid 10
What is the minimum number of disks needed for Raid level 5?
3
When one disk fails in a RAID 5 array with a hot spare, which one of the following statements is true?
Both reads and writes can continue
Command to check for system updates available
Yum check –update
In which file Gateway entry can be made
/etc/sysconfig/network
Create ext33 file s/m?
Mkfs –t ext3 /dev/drive-name (mke2fs –t …. Or mkfs.ext3 …)
Enable ip forwarding
Edit /etc/sysctl.conf
RAID max usable disk space
RAID=0
RAID which was parity for protection
RAID=5
Statistics doesn’t provided by vmstat
uptime
File attributes are stored in
Inode
Command to identify file type
file
Users primary group id is listed in
/etc/passwd
Which is mounted in single user mode
/root
Logical volume creation command
Mirror 50
Rpm –l –test
Installs and shows error messages
NIC driver information can be obtained by
Ifconfig etho
Physical volumes are
disk arranged for redundancy
Where does the users login record log get stored
/var/log/users
The command to disallows the allocation of physical extends on /dev/sdk1
Pvscan /dev/sdk1
Physical volumes are
A bunch of disks put together to form redundancy
Which command provides statistics about incoming and outgoing traffic
Netstat –s
Which option is true for gpgcheck enabling for yum repository function
Gpgcheck=1
Which RAID type use parity for data protection
RAID 5
What does –test option do with rpm –l command
It will try and check rpm installation to show possible errors
Which process or rpm start init process
kernel
Which command can be used to show system input and output disk device statistics
Iostat
User’s primary group id is listed in which file at the time of creation of the user can a standard UNIX system.
/etc/passwd
which among the following interacts directly with system hardware
kernel
find /-name ‘*’ will
list all files and directory in / directory
which command is used to display disk consumption of a specific directory
df –h
What statistics doesn’t provide by vmstat command
uptime
Which command will show us the state of the RAID drives
Mdadm –D /dev/md0
Which protocol used by ping and traceroute command
ICMP
Which of the following method is not true for creating an ext3 file system.
mke2fs.ext3 /dev/sdxx
Which IP class is defined by 1st 8 bits with a range 0-127
CLASS A
Which command to update Linux OS and kernal
Yum update
When 1 disk fails in a RAID 5 array within a hot spare which 1 of the following statement is true.
Both reads and writes can continue