CompTIA Network+ Protocols Flashcards

Flashcards Table Matching

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

CompTIA Network+ N10-008

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