多項選擇題

Refer to the exhibit. Which three statements accurately describe this GLBP topology？（）

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

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單項選擇題

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？（）

A.physical layer issues
B.no spanning tree loops
C.use of non-default HSRP timers
D.failure to set the command standby 35 preempt

多項選擇題

Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（）

A.It can be used to block bulk encryption attacks
B.It can be used to protect against denial of service attacks
C.Traffic originating from the router is considered trusted， so it is not inspected
D.Based upon the custom firewall rules， an ACL entry is statically created and added to theexisting ACL permanently
E.Temporary ACL entries that allow selected traffic to pass are created and persist for theduration of the communication session

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Refer to the exhibit. Which three statements accurately describe this GLBP topology？（）

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Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（）

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Refer to the exhibit. Which three statements accurately describe this GLBP topology？（）

Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（）