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ACE-P-ALE1.04 Questions and Answers

Question # 6

Which special device provides a place for redirecting unneeded data?

A.

/dev/null

B.

/dev/zero

C.

/dev/urandom

D.

/dev/blank

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Question # 7

On an Arista switch, you can use zcat and zmore to do what?

A.

View compressed text files from bash

B.

View compressed text files from Cli

C.

View any file from bash

D.

View any file from Cli

E.

Those commands don’t exist on Arista switches

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Question # 8

Which character matches the end of a line in a regular expression?

A.

!

B.

^

C.

$

D.

?

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Question # 9

The fstab file contains what information?

A.

The runlevel of the system

B.

Currently mounted filesystems

C.

Filesystems to mount at boot

D.

NFS file systems mounted by users

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Question # 10

The standard output file descriptor defaults to what?

A.

Screen

B.

Keyboard

C.

Hard Drive

D.

Null Device

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Question # 11

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?

A.

Faster CPUs

B.

More CPUs

C.

More memory

D.

Faster hard drives

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Question # 12

Which of the following interpreters are included on Arista switches?

A.

/usr/bin/bash

B.

/usr/bin/perl

C.

/usr/bin/python

D.

/usr/bin/Cli

E.

All of them

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Question # 13

Which commands can be used to copy a file to or from remote host?

A.

scp only

B.

rsync only

C.

scp and rsync

D.

both cp and scp

E.

cp, scp and rsync

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Question # 14

In a bash script, what does the $0 builtin variable contain?

A.

The entire command line

B.

The name of the script

C.

The last command line argument

D.

The number of command line arguments

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