Examen hoofdstuk 9-16 meerkeuze Flashcards
The number of users logged in is in a variable called USERS. How would you test to see if 5 users are logged in?
test $USERS = 5
test $USERS –a 5
test $USERS,5
test –f USERS=5
test $USERS –eq 5
test $USERS –eq 5
Given the following script: while [ ! –f /tmp/foo ]; do echo –n “.” process_data > /tmp/foo done Which of the following are true? (choose two)
The screen will fill with dots. /tmp/foo will be removed if it exists process_data will never be run If a file called /tmp/foo exists, process_data won’t be run process_data will be called at most once
If a file called /tmp/foo exists, process_data won’t be run
process_data will be called at most once
A conditional that lets you make multiple comparisons with a pattern is called:
fanout
if
branch
case
test
case
What is the meaning of $(( $i + 1)) ?
If i is 0, the loop will stop This will return the value of the first argument to the script 1 will be added to the i variable This runs the command stored in variable i This will return the value of the next argument to the script
1 will be added to the i variable
How would you write a test that says “if /tmp/foo is a directory or USERS is greater than 5”?
test –d /tmp/foo | $USERS > 5
test /tmp/foo –d –o $USERS -gt 5
test /tmp/foo || $USERS > 5
test –d /tmp/foo –o $USERS –gt 5
test –f /tmp/foo –o $USERS –ge 5
test –d /tmp/foo –o $USERS –gt 5
A division of a hard drive may be referred to as a _______ .
(choose two)
partition label slice block
partition
slice
Which of the following are valid partitioning types?
(choose two)
MBR PC GPT BIOS
MBR
GPT
The fdisk command is a tool used for working with the MBR partitioned disks.
True or False?
True False
True
Which of the following is the valid device file name for the first IDE hard drive on the system?
/dev/sda /dev/hd1 /dev/hda /dev/ide
/dev/hda
Which of the following are valid video cable connector types?
(choose two)
AMD DVI VGA HDA
DVI
VGA
A command that will continuously update statistics about running processes:
top tail bottom head
top
The following are valid Linux option styles:
(choose three)
Traditional Unix with a single dash (-) BSD Unix without a dash DOS slash (/) GNU long options with two dashes (–)
Traditional Unix with a single dash (-)
BSD Unix without a dash
GNU long options with two dashes (–)
Which file contains the information passed to the kernel at boot time?
/proc/kargs /proc/kernel /proc/kopts /proc/cmdline
/proc/cmdline
To make changes permanent for kernel parameter files found under /proc/sys, the following file can have entries added to it:
/etc/sysctl.conf /etc/procctl.conf /etc/procsys.conf /etc/sysinfo.conf
/etc/sysctl.conf
To get a list of all packages installed on a system using RPM Package Management you can execute:
rpm -qa rpm -ql rpm -qf rpm -qi
rpm -qa
Which of the following would be considered a host?
The computer’s hard drive A network cable A CDROM A printer attached to the network via an IP address
A printer attached to the network via an IP address
