NEW QUESTION 1
What is the effect of configuring the following command on a switch?
Switch(config) # spanning-tree portfast bpdufilter default

• A. If BPDUs are received by a port configured for PortFast, then PortFast is disabled and the BPDUs are processed normally.
• B. If BPDUs are received by a port configured for PortFast, they are ignored and none are sent.
• C. If BPDUs are received by a port configured for PortFast, the port transitions to the forwarding state.
• D. The command enables BPDU filtering on all ports regardless of whether they are configured for BPDU filtering at the interface level.

Answer: A

NEW QUESTION 2
An enterprise network has port security sticky enabled on all access ports. A network administrator moves a PC from one office desk to another After the PC is moved, the network administrator clears the port security on the new network switch port connecting to the PC, but the port keeps going back into err-disabled mode. Which two factors are possible causes of this issue? (Choose two)

• A. Port security sticky exists on the new network switch port.
• B. Port security sticky is disabled on the new network switch port.
• C. Port security must be disabled on all access ports.
• D. Port security is still enabled on the older network switch port.
• E. Port security sticky is still enabled on the older network switch port.

Answer: AE

NEW QUESTION 3
Which command maximizes system resources for ACL s'?

• A. Sdm prefer default
• B. Sdm prfer routing
• C. Sdm prefer access
• D. Sdm prefer vlan

Answer: C

NEW QUESTION 4
Which command enables root guard on a Cisco switch at location id:28468780 ?

• A. Switch (config)#spanning-tree guard root
• B. Switch (config-if)#spanning-tree guard-root
• C. Switch (config-if)#spanning-tree root guard
• D. Switch (config-if)#spanning-tree guard root
• E. Switch (config)#spanning-tree root guard

Answer: D

NEW QUESTION 5
Refer to the exhibit.

Which two statements about the network environment are true? (Choose two)

• A. The two aaaa.aaaa.aaaa MAC address entries must be from the same VLAN
• B. Interfaces Fa0/a and Fa0/3 cannot communicate via Layer 2 switching
• C. Interfaces Fa0/1 and Fa0/2 cannot communicate via Layer 2 switching
• D. The two aaaa.aaaa.aaaa MAC address entries must be from different VLANs
• E. Interfaces Fa0/2 and Fa0/3 can communicate via Layer 2 switching.

Answer: CD

NEW QUESTION 6
Refer to the exhibit.

How many bytes are added to each frame as a result of the configuration?

• A. 4-bytes except the native VLAN
• B. 8-bytes except the native VLAN
• C. 4-bytes including native VLAN
• D. 8-bytes including native VLAN

Answer: A

NEW QUESTION 7
Which statement about using EtherChannel on Cisco IOS switches is true?

• A. A switch can support up to eight compatibly configured Ethernet interfaces in an EtherChanne
• B. The EtherChannel provides full-duplex bandwidth up to 800 Mbps only for Fast EtherChannel or 8 Gbps only for Gigabit EtherChannel.
• C. A switch can support up to 10 compatibly configured Ethernet interfaces in an EtherChanne
• D. The EtherChannel provides full-duplex bandwidth up to 1000 Mbps only for Fast EtherChannel or 8 Gbps only for Gigabit EtherChannel.
• E. A switch can support up to eight compatibly configured Ethernet interfaces in an EtherChanne
• F. The EtherChannel provides full-duplex bandwidth up to 800 Mbps only for Fast EtherChannel or 16 Gbps only for Gigabit EtherChannel.
• G. A switch can support up to 10 compatibly configured Ethernet interfaces in an EtherChanne
• H. The EtherChannel provides full-duplex bandwidth up to 1000 Mbps only for Fast EtherChannel or 10 Gbps only for Gigabit EtherChannel.

Answer: A

NEW QUESTION 8
What happens on a Cisco switch that runs Cisco IOS when an RSTP-configured switch receives 802.1d BPDU?

• A. 802.1d does not understand RSTP BPDUs because they are different versions, but when a RSTP switch receives an 802.1d BPDU, it responds with an 802.1d BPDU and eventually the two switches run 802.1d to communicate.
• B. 802.1d understands RSTP BPDUs because they are the same version, but when a RSTP switch receives a 802.1d BPDU, it responds with a 802.1d BPDU and eventually the two switches run 802.1d to communicate.
• C. 802.1d does not understand RSTP BPDUs because they are different versions, but when a RSTP switch receives a 802.1d BPDU, it does not respond with a 802.1d BPDU.
• D. 802.1d understands RSTP BPDUs because they are the same version, but when a RSTP switch receives a 802.1d BPDU, it does not respond with a 802.1d BPDU and eventually the two switches run 802.1d to communicate.

Answer: A

NEW QUESTION 9
If a network engineer applies the command mac-address-table notification mac-move on a Cisco switch port, when is a syslog message generated?

• A. A MAC address or host moves between different switch ports.
• B. A new MAC address is added to the content-addressable memory.
• C. A new MAC address is removed from the content-addressable memory.
• D. More than 64 MAC addresses are added to the content-addressable memory.

Answer: A

NEW QUESTION 10
Which two statements about RSPAN are true'? (Choose two)

• A. RSPAN VLANs can carry RSPAN traffic only.
• B. It supports MAC address learning
• C. Only one RSPAN VLAN can be configured per device
• D. MAC address learning is not supported I RSPAN VLANs are exempt from VTP pruning
• E. RSPAN uses a GRE tunnel to transmit captured traffic

Answer: AD

NEW QUESTION 11
Refer to the exhibit.

Why would the switch be considered as a root bridge?

• A. The bridge priority is 1 and all ports are forwarding.
• B. The switch priority for VLAN 1 and the macro specifies "This Bridge is the root".
• C. The bridge priority is 128.19 and all ports are forwarding.
• D. The switch priority value is zero, it has the lowest priority value for VLAN 1.

Answer: D

NEW QUESTION 12
Which option lists the modes that are available for configuring UDLD on a Cisco switch?

• A. normal and aggressive
• B. active and aggressive
• C. normal and active
• D. normal and passive
• E. normal and standby

Answer: A

NEW QUESTION 13
Refer to the exhibit. On the basis of the output of the show spanning-tree inconsistentports command, which statement about interfaces FastEthernet 0/1 and FastEthernet 0/2 is true?

• A. They have been configured with the spanning-tree bpdufilter disable command.
• B. They have been configured with the spanning-tree bpdufilter enable command.
• C. They have been configured with the spanning-tree bpduguard disable command.
• D. They have been configured with the spanning-tree bpduguard enable command.
• E. They have been configured with the spanning-tree guard loop command.
• F. They have been configured with the spanning-tree guard root command.

Answer: F

NEW QUESTION 14
On which layer does IP source guard provide filtering to prevent a malicious host from impersonating the IP address of a legitimate host?

• A. Layer 1
• B. Layer 2
• C. Layer 3
• D. Layer 7

Answer: B

NEW QUESTION 15
After 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?

• A. The switches are using mismatched EtherChannel negotiation modes.
• B. The switch ports are not configured in trunking mode.
• C. LACP priority must be configured on both switches.
• D. The channel group identifier must be different for Switch A and Switch B.

Answer: A

NEW QUESTION 16
When two MST instances (MST 1 and MST 2) are created on a switch, what is the total number of spanning-tree instances running on the switch?

• A. 1
• B. 2
• C. 3
• D. 4

Answer: C

NEW QUESTION 17
What VSS technology allows you to share downstream resources?

• A. LACP
• B. PAgP
• C. MEC
• D. EOA

Answer: C

NEW QUESTION 18
Which statement about the default Switch Database Management template is true?

• A. The default template disables routing and supports the maximum number of unicast MAC addresses
• B. The default template gives balance to all functions.
• C. The default template maximizes system resources for unicast routing
• D. The default template maximizes system resources for access control lists

Answer: B

NEW QUESTION 19
When a Layer 2 EtherChannel is configured, which statement about placement of the IP address is true?

• A. The IP address is placed on the highest numbered member port.
• B. The IP address is placed on the port-channel logical interface.
• C. The IP address is placed on the lowest numbered member port.
• D. The IP address is assigned via DHCP only.

Answer: B