Tecnologias/modelos Flashcards

1
Q

CIDR

A

notacao de mascaras = /20 por exemplo

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2
Q

unique local (ipv6)

A

FC00

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3
Q

para criar um cabo cross over

A

troca os fios 1 e 2 com o 3 e 6

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4
Q

cabos de fibra optica

A

SR

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5
Q

cabos padrao UTP

A

TX

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6
Q

cabo straight-through

A

mesmo padrao de fios nas duas extremidades

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7
Q

cabo cross-over

A

padrao 568B em uma ponta e 568A em outra

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8
Q

POP3

A

protocolo de internet para recebimento de emails. porta 110

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9
Q

SMTP

A

protocolo de internet para envio de emails 25 tcp

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10
Q

link local (ipv6)

A

FE80

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11
Q

VLSM

A

variable length subnet mask

Classeless

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12
Q

teredo

A

protocolo de tunelamento utilizado para encapsular pacotes ipv6 em pacotes ipv4 para que possa trafegar pela internet

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13
Q

metodos para transicao do ipv4 -> ipv6

A

dual-stack routing (rodar os 2)
tuneling protocols (teredo)
traducao entre ipv6 e ipv4 (proxy)

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14
Q

global adesssess (ipv6)

A

2000

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15
Q

FQDN

A
fully qualified domain name
nome registrado
significativo da direita p/ esquerda
o nome do dominio eh adicionado ao hostname
ipv4 -> A record 
ipv6 -> AAAA record
TTL -> tempo que uma entrada fica na cache DNS
PTR -> resolucoes inversas
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16
Q

forward lookup/ reverse lookup

A

fqdn -> ip/ ip-> fqdn