Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.121Which switch feature determines validity based on IP-to-MAC address bindings that are stored in a trusted database?Dynamic ARP Inspectionstorm controlVTP pruningDHCP snooping Correct Answer: A Explanation:Dynamic ARP inspection determines the validity of an ARP packet based on valid IP-to-MAC address bindings stored in a trusted database, the DHCP snooping binding database. This database is built by DHCP snooping Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.111Which command is needed to enable DHCP snooping if a switchport is connected to a DHCP server?ip dhcp snooping trustip dhcp snoopingip dhcp trustip dhcp snooping informationCorrect Answer: AExplanation:When configuring DHCP snooping, follow these guidelines:DHCP snooping is not active until you enable the feature on at least one VLAN, and enable DHCP globally on the switch.Before globally enabling DHCP snooping on Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.101An administrator recently configured all ports for rapid transition using PortFast. After testing, it has been determined that several ports are not transitioning as they should. What is the reason for this?RSTP has been enabled per interface and not globally.The STP root bridge selection is forcing key ports to remain in non-rapid transitioning mode.STP is unable to achieve rapid transition for trunk links.The switch Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.91Which technique allows specific VLANs to be strictly permitted by the administrator?VTP pruningtransparent bridgingtrunk allowed VLANsVLAN access-listL2P tunnelingCorrect Answer: CExplanation:By default, a trunk port sends traffic to and receives traffic from all VLANs. All VLAN IDs, 1 to 4094, are allowed on each trunk. However, you can remove VLANs from the allowed list, preventing traffic from those VLANs from Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.81The 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 problem?The command effectively removed all other working VLANs and replaced them with the new VLANs.VTP pruning removed all Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.71Which statement about restrictions for multichassis LACP is true?It is available only on a Cisco Catalyst 6500 Series chassis.It does not support 1Gb links.Converting a port channel to mLACP can cause a service disruption.It is not available in VSS.Correct Answer: CExplanation:When configuring mLACP for Server Access, follow these guidelines and restrictions: PFC3A mode does not support the mLACP for server access Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.51Which statement about Cisco Discovery Protocol configuration on a Cisco switch is true?CDP is enabled by default and can be disabled globally with the command no cdp run.CDP is disabled by default and can be enabled globally with the command cdp enable.CDP is enabled by default and can be disabled globally with the command no cdp enable.CDP is disabled by default and can be enabled globally with the command cdp run.Correct Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.41After an EtherChannel is configured between two Cisco switches, interface port channel 1 is in the down/down state. Switch A is configured with channel-group 1 mode active, while Switch B is configured with channel-group 1 mode desirable. Why is the EtherChannel bundle not working?The switches are using mismatched EtherChannel negotiation modes.The switch ports are not configured in trunking mode.LACP priority must Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.61Interface FastEthernet0/1 is configured as a trunk interface that allows all VLANs. This command is configured globally:monitor session 2 filter vlan 1 - 8, 39, 52What is the result of the implemented command?All VLAN traffic is sent to the SPAN destination interface.Traffic from VLAN 4 is not sent to the SPAN destination interface.Filtering a trunked SPAN port effectively disables SPAN operations for all VLANs.The Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.31Several new switches have been added to the existing network as VTP clients. All of the new switches have been configured with the same VTP domain, password, and version. However, VLANs are not passing from the VTP server (existing network) to the VTP clients. What must be done to fix this?Remove the VTP domain name from all switches with quot;nullquot; and then replace it with the new domain name.Configure a different Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/300-115.html Question No.21If a network engineer applies the command mac-address-table notification mac-move on a Cisco switch port, whenis a syslog message generated?A MAC address or host moves between different switch ports.A new MAC address is added to the content-addressable memory.A new MAC address is removed from the content-addressable memory.More than 64 MAC addresses are added to the content-addressable memory.Correct Answer: AExplanation:mac-address-table Read more [...]