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Which security feature inspects ARP packets based on valid IP-to-MAC address bindings?
Which security feature inspects ARP packets based on valid IP-to-MAC address bindings?A . BPDU guardB . IP Source guardC . DAID . port securityView AnswerAnswer: C Explanation:
Which three statements about extended VLANs are true? (Choose three)
Which three statements about extended VLANs are true? (Choose three)A . They require the extended system ID to be enabled on the deviceB . The lowest extended VLAN number is 1006C . The lowest extended VLAN number is 1002D . Any VLAN ID can be used as an extended VLANE...
Which two statements are true of loop guard? (Choose two)
Which two statements are true of loop guard? (Choose two)A . Configure loop guard on a point-to-point link for an effective loop prevention mechanismB . Configure loop guard on a PortFast-enable port to ensure optimal loop prevention mechanismC . Configure loop guard when root guard is enabled for optimal loop...
Which command do you enter to troubleshoot a misconfigured Ether Channel?
Which command do you enter to troubleshoot a misconfigured Ether Channel?A . CORE-SW (config-if) #spanning-tree guard rootB . CORE-SW (config-if) #spanning-tree loopguard defaultC . CORE-SW (config-if) #spanning-tree etherchannel guard msconfigD . CORE-SW (config) #spanning-tree etherchannel guard msconfigView AnswerAnswer: D Explanation:
If all switches in this environment are running PVSTP+, which switch is elected as the STP root switch when a new VLAN is added to the network?
Refer to the exhibit. If all switches in this environment are running PVSTP+, which switch is elected as the STP root switch when a new VLAN is added to the network?A . switch 3B . switch 5C . switch 4D . switch 1E . switch 2View AnswerAnswer: E
Which virtual MAC address does HSRP group 37 use with default configuration?
Which virtual MAC address does HSRP group 37 use with default configuration?A . C0.00:00:255:00:00B . 00:00:0c:07:ac:25C . C0:00:00:37:00:00D . 00:00:00c:07:ac:37View AnswerAnswer: B Explanation: To match the HSRP group number to the VLAN id of a subinterface, HSRPv2 can use a group number from 0 to 4095 and a MAC address...
Which two effects of this configuration are true?
Refer to the exhibit. Which two effects of this configuration are true? (Choose two)A . If R1 goes down, R2 becomes active and remains the active device when R1 comes back onlineB . If R2 goes down, R1 becomes active but reverts to standy when R2 comes back onlineC ....
Which EtherChannel load balancing methods on the switch make optimal use of the redundant links as traffic flows from the router that is the default gateway to the server?
Refer to the exhibit. A single server in company ABC is connected via EtherChannel to a single upstream Layer 2 switch. Which EtherChannel load balancing methods on the switch make optimal use of the redundant links as traffic flows from the router that is the default gateway to the server?A...
Which statement about the spanning-tree portfast feature on the switch is true?
A. network engineer configured an Ethernet switch using the following command. Which statement about the spanning-tree portfast feature on the switch is true? Switchone (config)#spanning-tree portfast bpdufilter default A. If an interface is enabled for portfast receives BPDU, the port is shut down immediately B. If an interface is enabled...
Which option corrects this error?
Refer to the exhibit. An engineer is configuring a trunking port-channel between switch 1 and switch 2 and receives an error message on switch 1. Which option corrects this error?A . disabling BDPU guard on interface Fa0/23 of switch 2B . enabling BDPU guard on interface Fa0/23 of switch 1C...
