单项选择题
A. provides loop-free technology
B. manages additional routing peers
C. provides HSRP/VRRP
D. manages two nodes and configuration
单项选择题 What is the correct sequence of commands to configure and verify SRM with SSO redundancy? （）
多项选择题 Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in a switchednetwork environment?（） (Choose two.)
单项选择题 Which switching engine enables the access control list lookup to be committed to hardware? （）