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Network+ chapter 1 > IP and Ports > Flashcards

IP and Ports Flashcards

1
Q

IP

A

Internet protocol

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2
Q

non ephemeral ports

A

permeant port numbers 0-1023

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3
Q

ephemeral ports

A

1024-65535

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4
Q

Telnet

A

tcp/23 telecommunication network (login to devices remotely, noon encrypted)

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5
Q

SSH

A

tcp/22 secure shell (same as telnt but encrypted)

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6
Q

DNS

A

udp/53 domain name system (converts name to IP address)

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7
Q

SMTP

A

tcp/25 SMTP using plaintext
tcp/587 SMTP using TLS encryption
(ways to send emails over the internet)
simple mail transfer protocol

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8
Q

POP3

A

tcp/110 post office protocol v3 (plaintext)
tcp/995 over TLS encryption
(basic mail transfer)

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9
Q

IMAP4

A

tcp/143 plaintext internet message access protocol
tcp/993 over TLS encryption
(includes management of email inbox)

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10
Q

SFTP

A

tcp/22 secure file transfer protocol
(file system functionality, uses SSH protocol)

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11
Q

FTP

A

tcp/20 (active mode data (where we transfer the file)File transfer protocol
tcp/21(control) (which file to send)

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12
Q

TFTP

A

udp/69 trivial FTP (simple file transfer)

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13
Q

DHCP

A

udp/67 and /68 dynamic host configuration protocol (automatically configures Ip address and subnets)

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14
Q

HTTP

A

tcp/80 hypertext transfer protocol (web server communication)

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15
Q

HTTPS

A

tcp/443 (HTTP over TLS or SSL)

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16
Q

SNMP

A

udp/161 simple network management protocol (gather stats from network devices)

17
Q

Syslog

A

udp/514 standard for message logging

18
Q

RDP

A

tcp/3389 remote desktop protocol (can use on any OS)

19
Q

NTP

A

udp/123 network time protocol (synchronizes time and date)

20
Q

SIP

A

tcp/5060 and /5061 session initiation protocol (VoIP)(phone call ring and hang up)

20
Q

SMB

A

tcp/445 server message block

21
Q

LDAP

A

tcp/389 lightweight directory protocol (store and retreive info in an network directory)
tcp/636 LDAP over SSL

22
Q

databases
MS-SQL

A

tcp/1433 Microsoft structured query language

23
Q

database
oracle SQL

A

tcp/1521

24
Q

database
MySQL

A

tcp/3306

25
Q

ICMP

A

internet control message protocol (text message for devices)

26
Q

GRE

A

generic routing encapsulation (the tunnel between 2 end points)(no encryption)

27
Q

IPSec

A

internet protocol security (authenticates and encryption for every packet)

28
Q

IPSec protocols (AH) and (ESP)

A

authentication header
encapsulation security payload

29
Q

Steps to DHCP

A

1- discover (from device)
2- offer (from dhcp server)
3- request (from device to dhcp server)
4-acknowledgment (from DHCP server to device)

Network+ chapter 1 (9 decks)

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