A. L2TP B. IPsec C. PPTP D. RSA
A. PVST+reduces the CPU cycles for all the switches in the network B. PVST+automatically selects the root bridge location,to provide optimized bandwidth usage. C. PVST+allow the root switch location to be optimized per vlan. D. PVST+supports Layer 3 load balancing without loops.
A. access-list 50 deny 192.168.1.1 0.0.0.255 B. access-list 110 permit ip any any C. access-list 2500 deny tcp any host 192.168.1.1 eq 22 D. access-list 101 deny tcp any host 192.168.1.1