Well Known Ports (Networking) - Desc to # Flashcards

1
Q

DNS - Domain Name System

A

UDP/53 and TCP/53

Convert Domain names to IP addresses

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2
Q

DHCP - Dynamic Host Control Protocol

A

UPD/67 and UDP/68

Automated the IP address configuration process

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3
Q

NetBios - NBT

A

137 / 139

udp/137 - register, remove, and find Windows servers by name
tcp/139 - Windows connection-oriented data transfer

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4
Q

SNMP - Simple Network Management Protocol

A

UDP /161 SNMP Query
UDP/ 162 SNMP Trap

161 - Gather metrics and manage network devices
162 - Receive alerts from network devices

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5
Q

LDAP - Lightweight Directory Access Protocol

A

TCP / 389

Network Directory Services

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