Which special device provides a place for redirecting unneeded data?
/dev/null
/dev/zero
/dev/urandom
/dev/blank
On an Arista switch, you can use zcat and zmore to do what?
View compressed text files from bash
View compressed text files from Cli
View any file from bash
View any file from Cli
Those commands don’t exist on Arista switches
Which character matches the end of a line in a regular expression?
!
^
$
?
The fstab file contains what information?
The runlevel of the system
Currently mounted filesystems
Filesystems to mount at boot
NFS file systems mounted by users
The standard output file descriptor defaults to what?
Screen
Keyboard
Hard Drive
Null Device
If one or more CPUs in a system is extremely busy (less than 25% idle) but the run queue is relatively low, what might the system need to improve performance?
Faster CPUs
More CPUs
More memory
Faster hard drives
Which of the following interpreters are included on Arista switches?
/usr/bin/bash
/usr/bin/perl
/usr/bin/python
/usr/bin/Cli
All of them
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
In a bash script, what does the $0 builtin variable contain?
The entire command line
The name of the script
The last command line argument
The number of command line arguments
TESTED 23 Nov 2024
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