Network Monitoring
What ports does secure SNMP use?
10161, 10162
Connection jack in a switch used exclusively to connect a computer that will manage the switch.
console port
The passage of a packet through a router.
Hop
A network installed in a medium-sized space spanning multiple buildings.
Campus Area Network (CAN)
A TCP/IP name resolution system that resolves host names to IP addresses.
Domain Name System (DNS)
Name the 3 components of SNMP.
Devices, Manager and agent
An Ethernet trunk standard that enables you to connect switches from different manufacturers.
802.1Q
An arbitrary value assigned to a network hop within certain routers.
Cost
Describes all the other devices connected to and controllable via the Internet, meaning not the servers, routers, and PCs.
Internet of Things (IoT)
A DNS record type. A record that is the equivalent of an A record, but AAAA records are reserved for a newer type of IP addressing called IPv6.
AAAA record
What does PDU stand for?
Protocol Data Unit
A switch that has functions that operate at multiple layers of the OSI seven-layer model.
Multilayer switch
Process by which routers in an internetwork automatically exchange information with other routers.
Dynamic Routing
A signaling protocol for controlling voice and video calls over IP.
SIP
Records used by SMTP servers to determine where to send mail.
MX record
Programs that query a network interface and collect (captures) packets in a capture file.
Packet Sniffer
Command used in Cisco switches and routers to enable, disable, and manage internetwork forwarding of certain protocols such as DHCP Relay.
IP helper
A device that connects separate networks and forwards a packet from one network to another based only on the network address for the protocol being used.
Edge Router
A system that rolls many different network services into one, for example, instant messaging (IM), telephone service, video conferencing, and more.
Unified Communication
The process of using an Internet domain name to find an IP address.
forward lookup
Two part process consisting of security monitoring and security information management.
SIEM
The VLAN designation for a trunk port.
Native VLAN
Protocol similar to, but not as popular as, OSPF, but with support for IPv6 since inception.
IS-IS
An open-source IoT protocol that supports over 64,000 devices at either the 2.4-GHz or 915-MHz band.
Zigbee
The complete DNS name of a system, from its host name to the top-level domain name.
Fully Qualified Domain Name (FQDN)