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LPI linux Essentials study Guide > Domain 4 > Flashcards

Domain 4 Flashcards

1
Q

uname -a

A

Basic information about the kernel and CPU

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2
Q

lscpu

A

Returns technical information about cache sizes and CPU supports

20 lines

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3
Q

cat /proc/cpuinfo

A

Returns more information compared to LSCPU

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4
Q

lscpi

A

Information about hardware interfaces like audio devices and ethernet controllers

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5
Q

4 disk interfaces

A

PATA, Sata, nvme scsi

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6
Q

PATA

A

Old interface featuring 40 or 80 pin cables

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7
Q

Sata

A

Newer version of PATA smaller cables smaller connector

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8
Q

Nvme

A

Nonvolatile memory express designed specifically for SSD drives

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9
Q

Three parts of any Linux operating system

A
  1. the kernel
  2. the Shell
  3. the programs
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10
Q

Debian Linux distributions

A

Ubuntu,mint,Kali Linux

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11
Q

Red hat Linux distributions

A

Red hat, fedora, CentOS

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12
Q

Linux distribution release cycles Ubuntu

A
  1. Release is published twice yearly in April and October
  2. long-term support releases every two years

3.LTS is supported for five years

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13
Q

Linux distro’s with rolling release model

A

Kali Linux, openSuse, tumbleweed?

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14
Q

File descriptors 0, 1, 2

A
  1. Stdin
  2. Stdout
  3. Stderr
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15
Q

Three types of DNS queries

A

Recursive, iterative, non-recursive

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16
Q

DNS record types

A

A record, AAAA record, CNAME record, MX record, NS record, TXT record, CERT record

17
Q

A Record

A

Host record, stores host name and IPV4address

18
Q

CNAME Record

A

Used to alias a host name to another host name

19
Q

NS Record

A

Specifies a DNS zone such as example.com is delegated to a specific authoritative name server

20
Q

CERT record

A

Stores encryption certificates such as PKIX, SPKI, PGP

21
Q

MX Record

A

Specifies SMTP email server for the domain

22
Q

Where is DNS configured on Linux

A

/etc/bind

23
Q

Low level management tools used for Debian and red hat

A

Debian: dpkg - apt, apt-get

RH: rpm - yum, dnf

24
Q

SuSe distri

A

Is a slack based distro but shares some elements of red hat e.g. rpm package format for zypper manager

LPI linux Essentials study Guide (5 decks)

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