多项选择题
Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）
A. PortFast
B. UplinkFast
C. loop guard
D. root guard
E. BPDU guard
F. BackboneFast
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多项选择题
Which three LAN routing protocols would be appropriate for a small retail organization with a multivendor LAN infrastructure?（）
A.IGRP
B.RIP
C.RIPv2
D.OSPF -
多项选择题
Which two of these are characteristics of an IPS device?（）
A. passively listens to network traffic
B. is an active device in the traffic path
C. has a permissive interface that is used to monitor networks
D. traffic arrives on one IPS interface and exits on another -
多项选择题
Which three are used in configuring Call Manager dial plans? （）
A. route list
B. route group
C. gateway list
D. route pattern
