Arista Arista Certifications ACE-P-ALE1.04 Questions & Answers

• Question 91:

  The init system in Linux has been replaced by what?

  A. SysDB

  B. systemd

  C. ProcMgr

  D. Lauchner

  Correct Answer: B

  https://www.quora.com/Why-is-"systemd"-replacing-"init"-in-Linux

• Question 92:

  Which if these is NOT true of symbolic, or soft, links?

  A. Has its own inode

  B. Is just a directory entry

  C. Can cross mount points

  D. Can point to a directory

  Correct Answer: C

• Question 93:

  What was the first widely adopted commercial UNIX?

  A. ATandT System V

  B. Berkeley Software Distribution

  C. Linux

  D. Sun Solaris

  Correct Answer: A

• Question 94:

  What free optional software package allows the Linux kernel to support proprietary filesystems such as ExFAT and NTFS?

  A. VFS

  B. inodes

  C. FUSE

  D. UFS

  Correct Answer: C

• Question 95:

  What is the MBR?

  A. Microcomputer Boot Resistor

  B. Master Boot Relocator

  C. Master Boot Record

  D. Megabyte Barometric Recombinator

  Correct Answer: C

• Question 96:

  In bash scripting, which of the following is NOT valid way of evaluating an arithmetic expression?

  A. $(( ))

  B. ${}

  C. $[]

  D. let

  Correct Answer: C

  https://ryanstutorials.net/bash-scripting-tutorial/bash-arithmetic.php

• Question 97:

  Which answer best describes three important system performance monitoring indicators?

  A. Load avg, idle CPU and swapping

  B. Uptime, load avg and idle CPU

  C. Load avg, idle CPU and free memory

  D. System CPU, user CPU and load avg

  E. Uptime, system CPU and free memory

  Correct Answer: C

• Question 98:

  What is the difference between bin directories and sbin directories?

  A. It doesn't matter ?binaries are randomly placed in one or the other

  B. Executables in sbin require root access

  C. Executables in bin are for all users, while sbin is for system-related executables generally used by the root user

  D. They are linked, so they both hold the same executables

  Correct Answer: C

  Reference: http://blog.taylormcgann.com/2014/04/11/difference-bin-sbin/

• Question 99:

  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

  Correct Answer: B

  http://www.linfo.org/etc_fstab.html