多项选择题
A.Router A is responsible for answering ARP requests sent to the virtual IP address.
B.If Router A becomes unavailable， Router B will forward packets sent to the virtual MAC addressof Router A
C.If another router were added to this GLBP group， there would be two backup AVGs
D.Router B is in GLBP listen state
E.Router A alternately responds to ARP requests with different virtual MAC addresses
F.Router B will transition from blocking state to forwarding state when it becomes the AVG
单项选择题 Routers R1 and R2 are configured for HSRP as shown below： Router R1： interface ethernet 0 ip address 20.6.2.1 255.255.255.0 standby 35 ip 20.6.2.21 standby 35 priority 100 interface ethernet 1 ip address 20.6.1.1.2 255.255.255.0 standby 34 ip 20.6.1.21 Router R2： interface ethernet 0 ip address 20.6.2.2 255.255.255.0 standby 35 ip 20.6.2.21 interface ethernet 1 ip address 20.6.1.1.1 255.255.255.0 standby 34 ip 20.6.1.21 standby 34 priority 100 You have configured the routers R1 & R2 with HSRP. While debugging router R2 you notice veryfrequent HSRP group state transitions. What is the most likely cause of this？（）
多项选择题 WhichtwostatementsaretrueabouttheCiscoClassic（CBAC）IOSFirewallset？（）
单项选择题 Refer to the exhibit. Host A has sent an ARP message to the default gateway IP address10.10.10.1. Which statement is true？（）
