Hardware
Device that learns mac addresses
Switch
Layer of OSI where routing occurs
Network (Layer 3)
127.0.0.1
Connector used for UTP cable
RJ-45
Shuts down port if wrong MAC address connects
Port Security
Device that only works in half duplex
Hub
Layer of OSI model where encryption and compression occurs
Presentation (Layer 6)
Translates private IP to public IP address
NAT (Network Address Translation)
Cable feature used to reduce EMI
Shielding
Ability for switch to supply power to devices such as cameras, WAPs, and VoIP phones
PoE
Device that operates at layer 3 of OSI
Router
Layer of OSI model in which frames are the PDU (Protocol Data Unit)
Data link (layer 2)
Type of address you get when you cant contact DHCP server
APIPA 169.254
Fiber connector most likely seen connecting to a NIC
LC (Lucent Connector)
Term for ethernet frame that is larger that 1500 bytes
Jumbo
Wireless users connect to it
WAP
Layer of OSI model where segments live
Transport Layer
255.255.255.0 in CIDR notation
/24
COAX cable connector
F
Default switch priority for STP root bridge election
32768
Separates internet from your intranet
Firewall
Layer of OSI model where cabling occurs
Physical (Layer 1)
CIDR notation for a point to point connection (Router to router)
/30
Fiber cable for long distance
SMF Single Mode Fiber
Protocol that allows you to aggregate multi connections between 2 switched
LACP (Link Aggregation Control Protocol)