Studied by 2 peopleClass A IPv4 range
(unicast) 1.1.1.1-126.255.255.255, RESERVED: 10.0.0.0/8
Class B IPv4 range
(unicast) 127.0.0.0-191.255.255.255, RESERVED: 172.16.0.0
Class C IPv4 range
(unicast) 192.0.0.0-223.255.255.255, RESERVED: 192.168.0.0/16
Class D IPv4 range
(multicast) 224.0.0.0-239.255.255.255
Class E IPv4 range
(reserved) 240.0.0.0-255.255.255.255
IPv6 unicast link-local prefix
FE80::/10
IPv6 site-local prefix
FC00::/8
IPv6 multicast prefix
FF00::/8
IPv6 multicast node-local prefix
FF01::/16
IPv6 multicast link-local prefix
FF02::/16
IPv6 multicast site-local prefix
FF05::/16
IPv6 multicast organization local prefix
FF08::/16
IPv6 multicast global prefix
FF0E::/16
IPv6 global prefix
2000::/3
Puppet
HTTPS on TCP port 8140
Chef
HTTPS on TCP port 443
Ansible
SSH on TCP port 22
Salt
ZeroMQ on TCP port 4505-4506
IP phones VLAN
VLAN 0
Native VLAN
VLAN 1
Extended VLAN
VLAN 4094
Direct AD
0
Static AD
1
EIGRP Summary AD
5
eBGP AD
20
Internal EIGRP AD
90
IGRP AD
100
OSPF AD
110
IS-IS AD
115
RIP AD
120
External EIGRP AD
170
iBGP AD
200
Unknown AD
255
TCP port 20
FTP data (File Transfer Protocol)
TCP port 21
FTP-control (File Transfer Protocol)
TCP port 22
SSH
TCP port 23
Telnet
TCP port 25
SMTP (Simple Mail Transfer Protocol)
TCP port 49
TACACS+
TCP port 80
HTTP
TCP port 110
POP3 (Post Office Protocol version 3)
TCP port 143
IMAP (Internet Message Access Protocol)
TCP port 443
HTTPS
TCP port 8140
Puppet
UDP port 67
DHCP-server
UDP port 68
DHCP-client
UDP port 69
TFTP (Trivial File Transfer Protocol)
UDP port 161
SNMP (Simple Network Management Protocol)
UDP port 1812
RADIUS
UDP port 5246-5247
CAPWAP
UDP port 53
DNS (on TCP as well)
TCP port 53
DNS (on UDP as well)
HSRP version 1 MAC address
0000.0C07.ACxx
HSRP version 2 MAC address
0000.0C9F.Fxxx
VRRP MAC address
0000.5E00.01xx
GLBP MAC address
0007.B400.xxyy
IP multicast MAC address prefix
01-00-5E
Ethernet Broadcast MAC address
FF-FF-FF-FF-FF-FF
Ethernet loopback testing MAC address
CF-00-00-00-00-00
Note
Flashcard