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CompTIA Network+ Protocols Flashcards

AcronymDefinition
TCPTransmission Control Protocol
UDPUniform Datagram Protocol; Layer 4
IPInternet Protocol; Layer 3
IPv4Internet Protocol version 4; 32 Bits; Dotted Decimal format
ICMPInternet Control Message Protocol
ARPAddress Resolution Protocol; Discovers network devices on a LAN; Records MAC Addresses of LAN.
DHCPDynamic Host Configuration Protocol; Dynamically assigns IP, DNS, and subnet mask to network devices. Ports 67, 68.
APIPAAutomatic Private IP Addressing. Assigned to Windows OS's if DHCP fails. 169.254.0.0-169.254.255.255
NATNetwork Address Translation; Translates between IP addresses of different networks. Typically between private and public IP networks.
PATPort Address Translation (Aka NAT Overload). Type of NAT that uses 1 to many IP translations by utilizing layer 4 port numbers.
RIPRouting Information Protocol. Basic, distance vector routing protocol.
BGPBorder Gateway Protocol; Exterior Gateway routing protocol used for exchanging routing information between network systems. Typically found at the ISP level.
OSPFOpen Shorteset Path First; Link-state routing protocol.
EIGRPEnhanced Interior Gateway Routing Protocol; Cisco distance-vector routing protocol.
SSHSecure Shell; Port 22
NTPNetwork Time Protocol; port 123
TFTPTrivial File Transfer Protocol; Port 69
HTTPHypertext Transfer Protocol; Port 80
HTTPSHypertext Transfer Protocol + SSL/TLS; Port 443
FTPFile Transfer Protocol; Ports 20 and 21
SMTPSimple Mail Transfer Protocol; Port 25
POP3Post Office Protocol; Port 110
DNSDomain Name Server/Service; Port 53
TelnetUnencrypted; Port 23
SNMPSimple Network Management Protocol; Port 161
Front
UDP
Click the card to flip
Back
Uniform Datagram Protocol; Layer 4
Front
HTTPS
Back
Hypertext Transfer Protocol + SSL/TLS; Port 443
Front
ARP
Back
Address Resolution Protocol; Discovers network devices on a LAN; Records MAC Addresses of LAN.
Front
PAT
Back
Port Address Translation (Aka NAT Overload). Type of NAT that uses 1 to many IP translations by utilizing layer 4 port numbers.
Front
HTTP
Back
Hypertext Transfer Protocol; Port 80
Front
SMTP
Back
Simple Mail Transfer Protocol; Port 25
Front
NTP
Back
Network Time Protocol; port 123
Front
NAT
Back
Network Address Translation; Translates between IP addresses of different networks. Typically between private and public IP networks.
Front
RIP
Back
Routing Information Protocol. Basic, distance vector routing protocol.
Front
SSH
Back
Secure Shell; Port 22
Front
TCP
Back
Transmission Control Protocol
Front
ICMP
Back
Internet Control Message Protocol
Front
EIGRP
Back
Enhanced Interior Gateway Routing Protocol; Cisco distance-vector routing protocol.
Front
TFTP
Back
Trivial File Transfer Protocol; Port 69
Front
POP3
Back
Post Office Protocol; Port 110
Front
FTP
Back
File Transfer Protocol; Ports 20 and 21
Front
BGP
Back
Border Gateway Protocol; Exterior Gateway routing protocol used for exchanging routing information between network systems. Typically found at the ISP level.
Front
DNS
Back
Domain Name Server/Service; Port 53
Front
DHCP
Back
Dynamic Host Configuration Protocol; Dynamically assigns IP, DNS, and subnet mask to network devices. Ports 67, 68.
Front
IPv4
Back
Internet Protocol version 4; 32 Bits; Dotted Decimal format
Front
OSPF
Back
Open Shorteset Path First; Link-state routing protocol.
Front
APIPA
Back
Automatic Private IP Addressing. Assigned to Windows OS's if DHCP fails. 169.254.0.0-169.254.255.255
Front
Telnet
Back
Unencrypted; Port 23
Front
SNMP
Back
Simple Network Management Protocol; Port 161
Front
IP
Back
Internet Protocol; Layer 3
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