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Table of contents
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Table of contents

0:00
Introdução
0:24
O que é Máscara CIDR?
3:48
Convertendo máscara padrão para CIDR
9:01
Outras dúvidas
11:01
Resumo do vídeo
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Audio from this video

Video tags
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Video tags

redes de computadores
rede de computadores
curso online gratis
cursos online
sistemas de informação
técnico informatica
internet
técnico em redes de computadores
redes de computadores curso completo
informática para concursos
IP
curso de redes
ipv4 (internet protocol)
o que é ip
IPV4
Internet
endereçamento ip
endereço ip
classes ip
CIDR
máscara de rede
cursos gratuitos online com certificado
informatica basica
tecnologia de redes
redes de computadores ead
aula07
endereçamentoip
redesdecomputadores
máscaraderede
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  • ruRussian
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00:00:00
We're back here, you know,
00:00:03
mask class.
00:00:06
But the standard network mask. Today, it
00:00:08
would be R, which is a mask,
00:00:11
which is an abbreviation, and masha, where
00:00:14
the subnets were implemented, we're not
00:00:16
going to talk about network today we are going to
00:00:18
talk about the most similar football well
00:00:21
so the image notebook I'm going I'm going I'm going to go let's
00:00:24
go quickly who wants samples
00:00:27
represents Class understood Man holding
00:00:31
Caraca the
00:00:35
domain is interpasso in the man's arm
00:00:38
to the team
00:00:41
routing between domains without it
00:00:44
it has class Why does it have that name,
00:00:46
but it was created to try to
00:00:49
solve a problem called
00:00:50
fish waste, which happened
00:00:53
at the beginning of the internet and until the 90s,
00:00:55
if I have a video course, a course
00:00:59
on video has 10 Hi and then the video course
00:01:01
needs a network that is Seen on the
00:01:03
internet who cannot use that fish
00:01:05
that are restricted and private remember 72 of
00:01:07
these here it reaches the organ that
00:01:09
then beef brisket for the world that in this
00:01:10
case Yes, and I sing, patient, I need to
00:01:13
set up a network on the video course, in
00:01:15
2013, you now have several computers.
00:01:23
of people, I'm
00:01:25
not going to use all of that, I only have
00:01:26
10 computers, no, don't worry about that
00:01:29
and even from that moment on, you just
00:01:30
wasted a lot, exactly, you
00:01:32
just gave an institution 16
00:01:35
million fish and I'm only going to use 10 and
00:01:37
she will only use 10 Alfredo but it's easy,
00:01:40
just take the one that's left and then go back
00:01:42
to another company because they're going to be
00:01:43
part of the same network as we are
00:01:44
part of the same network So imagine
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this, imagine here in your house it was
00:01:47
like this the operator you use in the
00:01:50
dark, the dark operator, she put
00:01:54
you on the same network, cold dark
00:01:56
dead,
00:01:58
there's goodbye and good health, this one too,
00:02:02
you can put it in the comments. What do
00:02:04
you think, for each one of them,
00:02:06
imagine what if the dark operator puts it
00:02:09
If you and your neighbor are on the same network,
00:02:11
when you open the dark, it's on the network
00:02:14
Network Network Network Network Network Network Network Network
00:02:21
So imagine if you,
00:02:25
your neighbor, the operator put
00:02:27
you on the same network when you
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click on my civil computer counting
00:02:31
neighbor
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put computers on the network You
00:02:35
go to my computer and give this king parade
00:02:39
to accomplished community people who
00:02:43
do this here in Rio de Janeiro It's
00:02:44
true, so if when he
00:02:47
got there at the time of icann they
00:02:49
separated a network for a company the
00:02:52
company would own that 16 million
00:02:55
fish to wash a lot if it didn't
00:02:56
use it no one else in the world had
00:02:58
the right to use it and someone wanted to use it no
00:03:00
man it's that company the subnet came to
00:03:02
try to avoid this waste not
00:03:04
when you should have been servant says like this,
00:03:06
look at the video course, it has to be about
00:03:07
How many fish, soon I'm going to give you a
00:03:09
mask that comes as close as
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possible and that amount of time
00:03:13
you need to kiss and then it became a class
00:03:15
due to the fact that I don't
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necessarily follow the standard of steps
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that don't have that pattern of I don't know
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how many when your spirit
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identifies network how much ceviche
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they identify and they never changed that
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type again you surrendered the first one otherwise
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now it will be my need will
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determine how the 245 the dreams
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were from the parades Beauty so the principle
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of CNR was this, we are not going
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to work with subnets now but I
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need you to understand the concept of
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R output so that we can at least
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convert a mask that is standard
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to leave RDC and Dr to standard let's
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go standard mask let's go back to the
00:03:51
class standard then Guanabara put in the
00:03:53
Class A mask the standard was União
00:03:57
5000 nor do I have that and for what is
00:04:01
standard I passed Dr which I abbreviated What
00:04:04
is the characteristic of one but to leave
00:04:05
Dr it comes preceded by bar so there's
00:04:08
Barrinha clay clay and dress/not
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this one, after Barra I'm going to put the
00:04:14
number of Beats one that I find
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in the conversion of the standard mask, that's why
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we learned base conversion
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in the last class, you're the one talking, I'm
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not I want a bar conversion, not a
00:04:24
bar converter, I don't want to
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talk about basics, I saw the previous class
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which was a class thing and I skipped the
00:04:31
conversion and I'm coming straight here, I
00:04:32
know, right, if you take me online, I don't care
00:04:34
about binary numbers, you know? this is my
00:04:36
Zap for you, you'll have to go back there,
00:04:38
I wanted to talk to him and come back there,
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so let's do a
00:04:42
quick conversion there Zé 55 converted to
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binary how do we do it just set up
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the table exactly then I'll put it
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here in the table beauty create mask here
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with eight I got into This because every
00:04:54
address has the architect eight is an
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octet And Heat has 8 bits@here are the
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bases there And
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then Where did you get this from watch
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previous class blessed you have to watch
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the interior and now joke that the
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one that I 1055 What numbers in the
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table do I have to use to give 155,
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all of them, so just clear the
00:05:13
others, but this one more times more times,
00:05:16
but this one more, but this one more, and if you
00:05:18
do the math there, but you can
00:05:20
answer exactly yes, then the people have already converted
00:05:22
from 55 Guanabara how many bits does one have 100
00:05:26
8000bits a guy no one nor and on
00:05:28
WhatsApp no ​​others also
00:05:30
none so let's see if you want here it
00:05:32
's not zero ok these were here in
00:05:34
eight three four five six seven eight 80
00:05:38
cool and So what happens? How
00:05:40
old am I? Hi, so
00:05:45
it's /8/8/8 and 10 nothing, no 0, it doesn't matter
00:05:48
because what do you have to keep in mind
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from now on every time
00:05:51
I work with a host network? What
00:05:54
determines the network is the bits 11
00:05:56
determines the face In Limit zero as I
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'm working with a mask it's only
00:06:00
interesting to me today some I'm not interested in
00:06:03
right So this here is the magic of the CDR
00:06:06
to prevent Class A can even put
00:06:09
Class A's tongue cute walking around This
00:06:11
Mask there and they will make the cut very
00:06:14
quickly
00:06:15
I will do it both and misery not with
00:06:21
the standard class mask b125 c250
00:06:27
c252
00:06:29
5250 5252 Cassia that we convert
00:06:33
to 8-bit binary one how many months
00:06:35
one in I do 16 because 821 here
00:06:39
this and another horny one here so the
00:06:42
mask if available stays/16 perfect show
00:06:46
going classes and here there will be eight here
00:06:49
this eight here and another one here
00:06:53
Abbott/2428 plus 8 plus today in the four
00:06:56
this is a mask without a Face
00:07:00
and now we're going to put it on the last
00:07:02
example Zinho so you can understand
00:07:04
we won't always find just
00:07:05
a whole number I don't want me to do it, right, it
00:07:07
's not necessarily 255 Go down If it were
00:07:10
a subnet there will be a different number and
00:07:13
then we go there for the next one Let's
00:07:14
give a example here put
00:07:17
255 255
00:07:20
280 280 you have to convert I want to
00:07:25
convert from standard that this address 8
00:07:27
I have 8 you know we've already seen it you
00:07:30
remember we have to convert 248
00:07:32
to vinegar ready table is already put
00:07:34
on the screen for you now We just have
00:07:36
to see the following values ​​in the table
00:07:38
that if we add the number 248 128
00:07:43
plus 64
00:07:45
64/96 plus 32 224 plus 16 240 plus eight
00:07:51
248 What's left sky I don't remember you have to
00:07:55
watch the previous video show then I I'm going
00:07:58
to get here how many animals I have here
00:08:00
one two three four five
00:08:02
15 20 exactly this one was 5 liters
00:08:05
this one go Hi this one was they
00:08:07
even paid low here so as not to be
00:08:09
forced so it was 88 and 58 plus 8 16
00:08:13
plus five
00:08:15
21 So that mask there converted
00:08:19
to output is the slash, uncle, let me
00:08:22
ask you if I had one here, it wouldn't be possible,
00:08:25
right, there's no way it can divide ones in
00:08:29
front of zero, then we want to talk about
00:08:31
being a subnet mask, everything in
00:08:34
sequence, which is everything. one to the
00:08:35
left and all zero to the right you
00:08:37
can't have alternation you can't you can
00:08:39
want a mixed mix you can, right,
00:08:41
all the men are on the left and
00:08:44
all 10 are on the right and you look you
00:08:46
can stay on your own you just can't fall
00:08:48
here the number one hundred and forty and
00:08:52
150 you can't you can't even 250 sorry you
00:08:55
can't 950 you can't 250 Pizzeria like this
00:08:58
here and then I'll see you here and I'll
00:09:01
tell you the numbers that are the only ones
00:09:03
possible if you want to know if you can take
00:09:06
a test yes, from the options below, which
00:09:08
corresponds to a valid network mask,
00:09:11
a tip that is a real network mask
00:09:13
will only accept the values ​​2515
00:09:15
2555 2545
00:09:17
2595lmt
00:09:23
4792
00:09:25
128/0 if there is a question on the test or there
00:09:29
is a network mask with the
00:09:30
student I do it to clean the front I went for a
00:09:31
job interview The guy
00:09:33
asked me this and spoke to me
00:09:34
this week Instagram what are the
00:09:35
possible problems newspapers network guy
00:09:37
I can't go up I didn't know how to answer if I don't
00:09:39
have these numbers in the network mask.
00:09:42
Hence a question asks if there is
00:09:44
more man
00:09:48
202550 drugs
00:09:51
of drug use because there is no way
00:09:55
I can Oh I don't think it's possible, it's not possible It's not possible, it's
00:09:59
not possible, it's not possible and what is it that's not possible
00:10:01
because it has to be in sequence
00:10:03
everyone's address of money one or the
00:10:05
world, basically we're just
00:10:07
working out, zero, they're an old man at 80,
00:10:09
and even if it was just a zero, it can't
00:10:12
have to be in the sequence I said,
00:10:13
you guys here to move, they're stupid, if
00:10:15
I'm the owner, let me know if I left the
00:10:17
standard and I didn't understand so What is the
00:10:19
standard everyone to the right
00:10:21
everyone to the left one everyone to
00:10:23
the right zero is a mask 01 after one it
00:10:25
was already screwed and it doesn't work anymore great
00:10:28
show, I'm learning a new one here
00:10:30
oh, put your notes there, oh, I'm going to say
00:10:32
that it's only valid if you have and if you have
00:10:34
these, if you didn't have them together, it's not a
00:10:37
subnet mask and now that you can't
00:10:39
change the country, it's like, the last
00:10:42
number is the last number, right, it could
00:10:45
be this one for If you use 252, you
00:10:46
can't have two, it has to be, you can't, you
00:10:48
have to consider the end, I can even
00:10:50
come back like this 255, but it has to be 0000,
00:10:52
so you can be 255 255 255 248
00:10:56
Okay, I can have 2552 4800 and want it is
00:11:00
exactly it is done so
00:11:03
in the next video we will
00:11:04
do the reverse process we will
00:11:06
do the output R to standard video It's
00:11:09
a great topic, thanks, even become
00:11:14
plasval, more of the family social networks,
00:11:16
follow us here, like this one there

Description:

O que é máscara CIDR? Para que serve? Como o CIDR ajuda na distribuição de IP? Quais bits determinam redes e hosts? Como calcular a máscara CIDR? Plataforma de cursos grátis - https://www.hrbrcursos.com/ Temos uma plataforma de cursos gratuitos para vc poder pegar os certificados das palestras e cursos aqui do canal. Preparatório on-line EAGS-SIN - Aprovando o 01 do Brasil desde 2014 WhatApp: 21966486410 Instagram: https://www.facebook.com/unsupportedbrowser Site: https://www.hrbrcursos.com/ Link para compra dos livros de Hardware e Redes: Montagem de Micro - https://pay.hotmart.com/M72350493O?checkoutMode=10&ref=W73293851I Eletrônica - https://pay.hotmart.com/U8059089S?checkoutMode=10&ref=B73293853Y Redes de Computadores - https://pay.hotmart.com/P7275275J?checkoutMode=10&ref=B73293850A Hardware 2ª Ed. 2022 - https://pay.hotmart.com/W75899333Y?checkoutMode=10&ref=Y76292716W Seja membro deste canal e ganhe benefícios: https://www.youtube.com/channel/UCp662gGGgJ85g2-9FOVWpgg/join 00:00 - Introdução 00:24 - O que é Máscara CIDR? 03:48 - Convertendo máscara padrão para CIDR 09:01 - Outras dúvidas 11:01 - Resumo do vídeo Patrocínios: Hostnet - Serviço de hospedagem e criação de site https://www.hostnet.com.br/ Instagram: https://www.facebook.com/unsupportedbrowser Ensino Médio Técnico/Pós-Médio e EJA - CTA https://ctarj.org.br/ https://www.facebook.com/unsupportedbrowser Telefone: (21) 3449-3572 // (21) 99436-8367 (WhatsApp) Parceiros: Kaspersky - Cupom 10% de desconto: HRBR https://www.kaspersky.com.br/lp/special-offer?cjdata=MXxZfDB8WXww&reseller=br__acq_ona_influ__all_b2c_coj_affiliatelink_______&cjevent=df0b68cd0e5c11ef818ad12f0a18b8f8 ESTUDONAUTA - Plataforma de cursos de tecnologia https://www.estudonauta.com/ Curso em Vídeo - Canal de cursos Gratuitos https://www.cursoemvideo.com/ https://www.youtube.com/cursoemvideo Artes e edição feitas pelo: instagram: @pauulin_ntj Instrutor Henrique Morais https://www.youtube.com/channel/UCaTbD-J3RwsI8jE4PCh99Nw Canal do TELEGRAM! CANAL do Telegram: https://t.me/hardwareredesbrasil CONTATO Instagram: https://www.facebook.com/unsupportedbrowser Facebook: https://www.facebook.com/unsupportedbrowser Twitter: http://twitter.com/alfredonerisjr Site: https://www.hrbrcursos.com/ e-mail: [email protected]

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