3 Months Free Update
The ps aux command is from which UNIX variant?
AIX
System V
Linux
BSD
Reference https://kb.iu.edu/d/afnv
Who invented NFS?
Linus Torvalds
IBM
DEC
Sun Microsystems
The cron system is used to
set the system clock
run something at a later time
schedule something to run at intervals
timestamp the system logs
Which character matches the end of a line in a regular expression?
!
^
$
?
Which commands can be used to copy a file to or from remote host?
scp only
rsync only
scp and rsync
both cp and scp
cp, scp and rsync
What does grep stand for?
global regular expression print
global regular expression pattern
glob regex execute pattern
glob regex execute print
Where did the GECOS field in /etc/passwd come from?
Bell Labs DHCP lease tracking
Payroll name and address info
Bell Labs Print Service
Parking space assignments at AT&T
Why is iostat not needed on an Arista switch?
The CPU can’t see the front panel interfaces to report on traffic
EOS is installed on an in-memory filesystem that does not use a hard disk
The memory is always full on an Arista switch
The I/O on an Arista switch is too fast for the CPU
Arista switches don’t support hyperthreading
Which of these items runs in user space?
System daemons
The IPC system
The process scheduler
Libraries and APIs
The C Standard Library
TESTED 01 May 2024
