CompTIA A+ 1001: Port Numbers Flashcards by Roy Keck

Q

FTP?

110
53
21
22

A

21 - File Transfer Protocol

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Q

SSH?

20
21
22
23

A

22 - Secure Shell

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Q

TELNET?

23
22
53
25

A

23

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Q

SMTP?

22
25
80
21

A

25 - Simple Mail Transfer Protocol

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Q

DNS?

548
25
23
53

A

53 - Domain Name System

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Q

HTTP?

443
80
143
22

A

80 - Hypertext Transfer Protocol

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Q

POP3?

110
53
143
137

A

110 - Post Office Protocol

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Q

SNMP?

443
161
68
67

A

161/162 - Simple Network Management Protocol

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Q

IMAP?

443
143
110
23

A

143 - Instant Message Access Protocol

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Q

HTTPS?

80
443
445
53

A

443 - Hypertext Transfer Protocol Secure

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Q

RDP?

389
3389
548
110

A

3389 - Remote Desktop Protocol

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Q

NETBIOS/NETBT?

427
80
138
110

A

137 - 139

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Q

SMB/CIFS?

443
445
548
389

A

445 - Server Message Block/Common Internet File System

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Q

SLP?

445
53
110
427

A

427 - Service Location Protocol

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Q

AFP?

67
389
3389
548

A

548 - Apple Filing Protocol

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Q

DHCP?

68
389
53
80

A

67/68 - Dynamic Host Configuration Protocol

Q

LDAP?

3389
53
427
389

A

389 - Lightweight Directory Access Protocol

Q

21?

FTP
SSH
TELNET
IMAP

A

File Transfer Protocol (FTP)

Q

22?

DNS
FTP
TELNET
SSH

A

Secure Shell (SSH)

Q

23?

SNMP
SMTP
TELNET
SSH

A

TELNET

Q

25?

SSH
FTP
SMTP
SNMP

A

Simple Mail Transfer Protocol (SMTP)

Q

143?

HTTPS
SNMP
AFP
IMAP

A

Internet Message Access Protocol (IMAP)

Q

443?

HTTP
SSH
DNS
HTTPS

A

Hypertext Transfer Protocol Secure (HTTPS)

Q

3389?

DHCP
LDAP
RDP
SSH

A

Remote Desktop Protocol (RDP)

137 - 139? NETBIOS/NETBT SLP AFP DHCP

NETBIOS/NETBT

445? RDP HTTPS SMB/CIFS LDAP

Server Message Block/Common Internet File System (SMB/CIFS)

548? SLP SMB/CIFS AFP RDP

Apple Filing Protocol (AFP)

67/68? DHCP LDAP HTTP DNS

Dynamic Host Configuration Protocol (DHCP)

389? LDAP RDP SMB/CIFS IMAP

Light Weight Directory Access Protocol (LDAP)

53? TELNET SMTP DNS IMAP

Domain Name System (DNS)

80? HTTPS DHCP DNS HTTP

Hypertext Transfer Protocol (HTTP)

110? DNS HTTP POP3 SMTP

Post Office Protocol (POP3)

161/162? SNMP SMTP POP3 IMAP

Simple Network Management Protocol (SNMP)

427? AFP SLP CMB/CIFS RDP

Service Location Protocol (SLP)

SMTP with TLS? 548 587 445 25

587

SMTP with SSL? 427 25 465 445

465

POP3 with SSL/TLS? 3389 110 80 995

995

IMAP4 with SSL/TLS? 143 993 995 110

993