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Which type of attack does dynamic ARP mitigates?
Which type of attack does dynamic ARP mitigates?A . Man-in-the-middleB . DDoS attackC . VirusView AnswerAnswer: A
Which two statements about CDP are true? (Choose two.)
Which two statements about CDP are true? (Choose two.)A . It can be disabled only at the interface level.B . Devices with Cisco Discovery Protocol configured send advertisement messages to a multicast address on a periodic basisC . It is disabled when switches have mismatched native VLANs.D . Devices with...
Which configuration do you apply to an interface so that it port security to learn and commit the first MAC address?
Which configuration do you apply to an interface so that it port security to learn and commit the first MAC address?A . StickyB . RestrictC . ShutdownD . ProtectView AnswerAnswer: A
Which statement about the default behavior of a Cisco switch MAC address table is true?
Which statement about the default behavior of a Cisco switch MAC address table is true?A . MAC addresses are not learned on extended VLANs.B . MAC addresses are aged out of the MAC table after 600 secondsC . MAC addresses are associated with a VLAND . MAC address filtering is...
Which action must be done to apply a new load balancing method?
A network engineer must set the load balance method on an existing port channel. Which action must be done to apply a new load balancing method?A . Configure the new load balancing method using port-channel load-balance.B . Adjust the switch SDM back to "default".C . Ensure that IP CEF is...
What is the root cause of the problem?
The network manager has requested that several new VLANs (VLAN 10, 20, and 30) are allowed to traverse the switch trunk interface. After the command switchport trunk allowed vlan 10,20,30 is issued, all other existing VLANs no longer pass traffic over the trunk. What is the root cause of the...
When no spanning-tree bpdu guard enable is configured in f0/7, which is true? (There’s an exhibit that shows f0/7 receive BPDU.)
When no spanning-tree bpdu guard enable is configured in f0/7, which is true? (There’s an exhibit that shows f0/7 receive BPDU.)A . We have to configure shutdown and no shutdown.B . Have to use errdisable recoveryC . UDLD resetD . Network administrator must disable spanning-tree protocolView AnswerAnswer: A
Which Layer 2 enhancement can be used to eliminate this delay?
A network engineer is trying to deploy a PC on a network. The engineer observes that when the PC is connected to the network, it takes 30 to 60 seconds for the PC to see any activity on the network interface card. Which Layer 2 enhancement can be used to...
Which statement about the spanning-tree portfast feature on the switch is true?
A network engineer configured an Ethernet switch using these commands. Switchone(config) # Spanning-tree portfast bpdufilter default Which statement about the spanning-tree portfast feature on the switch is true?A . If an interface is enabled for portfast receives BDPU, the port goes through the spanning-tree listening, learning, and forwarding states.B ....
When a Cisco Catalyst switch that is configured in VTP server mode is first booted, which two VLAN ranges are loaded on the switch? (Choose two)
When a Cisco Catalyst switch that is configured in VTP server mode is first booted, which two VLAN ranges are loaded on the switch? (Choose two)A . All VLANs are in the VLAN databaseB . VLANs greater than 1005 in the startup-config fileC . The first 1005 VLANs in the...
