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Net+ > Net+ > Flashcards

Net+ Flashcards

1
Q

Telnet

A

Port 23, (console access/remote login UNENCRYPTED)

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2
Q

SSH

A

Port 22, (Looks and acts like Telnet but encrypted)

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3
Q

DNS

A

UDP/53

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4
Q

Plain-text SMTP (Simple-Mail Transfer Protocol)

A

TCP/25

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5
Q

TLS SMTP

A

TCP/587

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6
Q

POP3/IMAP (What does it do, no port needed)

A

Receive emails from an email server

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7
Q

Pop3 Plaintext

A

TCP/110

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8
Q

Pop3 over TLS

A

TCP/995

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9
Q

Imap4 plaintext

A

TCP/143

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10
Q

IMAP4 Over TLS

A

TCP/993 and -Includes management of email inbox from multiple clients

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11
Q

SFTP

A

TCP/22 for encryption (Secure file transfer protocol)

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12
Q

FTP

A

uses tcp/20 (active mode data), tcp/21 (control)

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13
Q

TFTP

A

Trivial FTP (UDP 69)

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14
Q

UDP

A

Port 69, simple file transfer app, reads and writes files, no authentication and not used on prod

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15
Q

DHCP

A

UDP/67 UDP/68 - Requires a DHCP server (server, appliance, integrated into a SOHO router, etc)

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16
Q

SNMP

A

Simple network management protocol (gather statistics from network devices) - UDP/161 uses UDP/162 for alerts and notifications

17
Q

Syslog

A

standard for message logging UDP/514
Centralized log collector NEED SPACE

18
Q

RDP

A

TCP/3389 - Can connect to an entire desktop or just an application

19
Q

NTP

A

Network Time Protocol - UDP/123

20
Q

SIP (Session Initiation Protocol

A

TCP/5060 and TCP/5061

21
Q

SMB

A

Server Message Block
-Used by Microsoft, File sharing/printer sharing (also called CIFS(Common Internet File System)
-Direct over TCP/445 (NetBIOS-less) - Direct SMB communication over TCP without the NetBios transport

22
Q

LDAP

A

TCP/389 (lightweight directory access protocol, AD)

23
Q

LDAPS

A

TCP/639 (secured over SSL)

24
Q

MS-SQL

A

TCP/1433

25
Q

Oracle SQL

A

TCP/1521 (Oracle Net)

26
Q

MySQL

A

TCP/3306 (Open source and free)

Net+ (1 decks)

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