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
OSPF
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Back
Open Shorteset Path First; Link-state routing protocol.
Front
TCP
Back
Transmission Control Protocol
Front
IPv4
Back
Internet Protocol version 4; 32 Bits; Dotted Decimal format
Front
APIPA
Back
Automatic Private IP Addressing. Assigned to Windows OS's if DHCP fails. 169.254.0.0-169.254.255.255
Front
EIGRP
Back
Enhanced Interior Gateway Routing Protocol; Cisco distance-vector routing protocol.
Front
FTP
Back
File Transfer Protocol; Ports 20 and 21
Front
HTTP
Back
Hypertext Transfer Protocol; Port 80
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
SMTP
Back
Simple Mail Transfer Protocol; Port 25
Front
IP
Back
Internet Protocol; Layer 3
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
SSH
Back
Secure Shell; Port 22
Front
DHCP
Back
Dynamic Host Configuration Protocol; Dynamically assigns IP, DNS, and subnet mask to network devices. Ports 67, 68.
Front
TFTP
Back
Trivial File Transfer Protocol; Port 69
Front
POP3
Back
Post Office Protocol; Port 110
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
NTP
Back
Network Time Protocol; port 123
Front
Telnet
Back
Unencrypted; Port 23
Front
ARP
Back
Address Resolution Protocol; Discovers network devices on a LAN; Records MAC Addresses of LAN.
Front
UDP
Back
Uniform Datagram Protocol; Layer 4
Front
HTTPS
Back
Hypertext Transfer Protocol + SSL/TLS; Port 443
Front
ICMP
Back
Internet Control Message Protocol
Front
DNS
Back
Domain Name Server/Service; Port 53
Front
SNMP
Back
Simple Network Management Protocol; Port 161
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