Key Terms

Before you take the exam, be sure you're familiar with the following terms:

active virtual forwarder (AVF)	laws of physics delay
Active Virtual Gateway (AVG)	line loss
auto-QoS	Multistage Queuing
best efforts network	output buffer priorities
buffer overflows	per-hop routing
classification	policing
Custom Queuing	Priority Queuing
Differentiated Services	processing delay
discard eligible	Quality of service (QoS)
first in, first out	queue disposition
Gateway Load Balancing Protocol (GLBP)	serialization delay
Hot Standby Router Protocol (HSRP)	Server Load Balancing (SLB)
IEEE 802.1p	transparent Ethernet
Integrated Services	Virtual Router Redundancy Protocol (VRRP)
isochronous	Weighed Fair Queuing (WFQ)
latency	Weighted Round Robin Queuing