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menu_book Course Curriculum (Computer Networking Fundamentals) expand_more

Models & Fundamentals

OSI model TCP IP model Encapsulation Frames packets and segments Bandwidth versus throughput Latency and jitter Unicast multicast broadcast MAC address MTU Network interface

Ethernet & LAN

Ethernet frame ARP request ARP cache Switch MAC table VLAN tagging Access port Trunk port STP concept Link aggregation PoE concept

IPv4

IPv4 address Subnet mask CIDR notation Private IPv4 ranges Loopback address Default gateway Subnet calculation Broadcast address Static route ICMP ping

IPv6

IPv6 address IPv6 compression IPv6 loopback Link-local address Global unicast address IPv6 prefix length SLAAC Neighbor discovery IPv6 multicast Dual stack

Transport Layer

TCP three-way handshake TCP sequence numbers TCP acknowledgments TCP flow control TCP congestion concept TCP connection close UDP datagram TCP versus UDP Port numbers Socket tuple

Core Services

DNS lookup DNS A record DNS AAAA record DNS CNAME DNS MX record DHCP lease NAT PAT NTP mDNS

Web & Security Protocols

HTTP request HTTP response status HTTPS TLS handshake concept TLS certificate inspection SSH SFTP SMTP IMAP WebSocket upgrade

Routing & Troubleshooting

Routing table Longest prefix match Static routing Dynamic routing concept OSPF concept BGP concept traceroute nslookup and dig netstat and ss Packet capture with tcpdump

Computer Networking Fundamentals / Core Services

DNS AAAA record

Learn DNS AAAA record in Computer Networking Fundamentals with a focused explanation, a topic-specific example, edge guidance, and a mastery check.

12 min read • Intermediate

computer-networking-053.txt

text

dig +short AAAA example.com
# AAAA maps a name to an IPv6 address.

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

DNS AAAA record Mastery Check →