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Network+ chapter 1 > Ports > Flashcards

Ports Flashcards

1
Q

Telnet (Telecommunication Network)

A

tcp/23 login to devices remotely. No encryption

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2
Q

SSH (secure shell)

A

tcp/22 looks and acts same as telnet but encrypted

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3
Q

DNS Domain Name System

A

udp/53 converts the name of website to IP

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4
Q

SMTP Simple Mail Transfer Protocol

A

tcp/25 non encrypted tcp/587 TLS encryption (server to server email transfer)

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5
Q

POP3 Post office Protocol v3

A

tcp/110 non encryption tcp/995 over TLS (can only receive mail)

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6
Q

IMAP4 internet Message Access Protocol

A

tcp/143 none tcp/993 TLS (includes management of email inbox from multiple clients and can only receive mail.)

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7
Q

SFTP secure file transfer protocol

A

tcp/22 (file system funcinality)

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8
Q

FTP file transfer application protocol

A

tcp/20 (active mode data) tcp/21 (control)
Active mode- client tells server which port and IP to send data
Control- server tells client which port and IP to send to

uploading and downloading of files from a remote host running a FTP server

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9
Q

TFTP trivial file transfer protocol

A

udp/69 (very simple file transfer application)
sending firmware updates to a device

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10
Q

DHCP dynamic host configuration protocol

A

udp/67,udp/68 (automatically configures IP address)

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11
Q

HTTP hypertext transfer protocol

A

tcp/80 (web server communication)

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12
Q

HTTPs hypertext transfer protocol secure

A

tcp/443 (web server communication with encryption)

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13
Q

SNMP simple network management protocol

A

udp/161 (gather statistics from network devices)

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14
Q

SNMP traps

A

udp/162 (alerts and notifications)

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15
Q

Syslog

A

udp/514 (standard for message logging)

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16
Q

RDP remote desktop protocol

A

tcp/3389 (share a desktop remotely)

17
Q

NTP network time protocol

A

udp/123 (every device has its own clock)

18
Q

SIP session initiation protocol

A

tcp/5060, tcp/5061 (voice over IP (VoIP) signaling)

19
Q

SMB server message block

A

tcp/445 (used by windows for file sharing printer sharing)

20
Q

LDAP/LDAPS lightweight directory access protocol

A

tcp/389 none tcp/636 ssl (secure) (stores and retrieves info in a network directory)
(like email address or domain name or single sign on info of something you’ve never meet before)

21
Q

Server (MS-SQL) Microsoft structured query language

A

tcp/1433

22
Q

oracle SQL (SQLnet)

A

tcp/1521

23
Q

(MySQL) data base

A

3306

24
Q

IP

A

Internet protocol (connectionless) transports data from one node on network to another

25
Q

ICMP

A

internet control messaging protocol
provides error checking and reporting
(used with ping)

26
Q

IPSec

A

layer 3 protocol
encrypts and authenticates transmission
uses AH and ESP
AH authentication header
ESP encapsulation security payload

27
Q

TLS

A

transport layer security
(newer than SSL)

28
Q
A
28
Q

SSL

A

secure socket layer

Network+ chapter 1 (9 decks)

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