Section 3.1 Flashcards
What is Jitter?
the average variance in delay between data packets
What is an SNMP trap?
an event or condition that triggers a notification to the SNMP system
What is an OID?
a series of numbers and dots that identify device information and statistics in an SNMP network
MIB
Management Information Base
What is a MIB?
an organized central database of all SNMP connected devices
OIDs
Object Identifiers
What are 5 things that traffic logs track?
Source & destination IP, ports, protocols, bandwidth, and traffic patterns
What do audit logs track?
User actions
What is syslog?
a protocol for centralized log management
What are severity levels?
Syslogs’ prioritization on a scale of 0 to 7, where 0 is most important
CRCs
Cyclic Redundancy Checks
What are CRCs?
a code that checks data packets for errors upon receipt
What does a CRC error indicate?
a bad cable or interface
What causes encapsulation errors?
switch configuration mismatches
What are Runts?
ethernet frames less than 64 bytes
