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2021 Nov pass4sure 642-813 free download:

Q11. You have just created a new VLAN on your network. What is one step that you should include in your VLAN-based implementation and verification plan?

A. Verify that different native VLANs exist between two switches for security purposes.

B. Verify that the VLAN was added on all switches with the use of the show vlan command.

C. Verify that the switch is configured to allow for trunking on the switch ports.

D. Verify that each switch port has the correct IP address space assigned to it for the new VLAN.

Answer: B


Q12. Refer to the exhibit.

Switch S1 has been configured with the command spanning-tree mode rapid-pvst. Switch S3 has been configured with the command spanning-tree mode mst. Switch S2 is running the IEEE 802.1D instance of Spanning Tree. What is the result?

A. IEEE 802.1w and IEEE 802.1s are compatible. IEEE 802.1d is incompatible. Switches S1 and S3 can pass traffic between themselves. Neither can pass traffic to switch S2.

B. Switches S1, S2, and S3 can pass traffic between themselves.

C. Switches S1, S2, and S3 can pass traffic between themselves. However, if the topology is changed, switch S2 does not receive notification of the change.

D. IEEE 802.1d, IEEE 802.1w, and IEEE 802.1s are incompatible. All three switches must use the same standard or no traffic can pass between any of the switches.

Answer: B


Q13. hostname Switch1

interface Vlan10

ip address 172.16.10.32 255.255.255.0

no ip redirects

standby 1 ip 172.16.10.110

standby 1 timers msec 200 msec 700

standby 1 preempt

hostname Switch2

interface Vlan10

ip address 172.16.10.33 255.255.255.0

no ip redirects

standby 1 ip 172.16.10.110

standby 1 timers msec 200 msec 750

standby 1 priority 110

standby 1 preempt

hostname Switch3

interface Vlan10

ip address 172.16.10.34 255.255.255.0

no ip redirects

standby 1 ip 172.16.10.110

standby 1 timers msec 200 msec 750

standby 1 priority 150

standby 1 preempt

Refer to the above. Three switches are configured for HSRP.

Switch1 remains in the HSRP listen state. What is the most likely cause of this status?

A. This is normal operation.

B. The standby group number does not match the VLAN number.

C. IP addressing is incorrect.

D. Priority commands are incorrect.

E. Standby timers are incorrect.

Answer: A


Q14. Refer to the exhibit.

BPDUGuard is enabled on both ports of SwitchA. Initially, LinkA is connected and forwarding traffic. A new LinkB is then attached between SwitchA and HubA. Which two statements about the possible result of attaching the second link are true? (Choose two.)A. The switch port attached to LinkB does not transition to up.

B. One or both of the two switch ports attached to the hub goes into the err-disabled state when a BPDU is received.

C. Both switch ports attached to the hub transitions to the blocking state.

D. A heavy traffic load could cause BPDU transmissions to be blocked and leave a switching loop.

E. The switch port attached to LinkA immediately transitions to the blocking state.

Answer: BD


Q15. When configuring a routed port on a Cisco multilayer switch, which configuration task is needed to enable that port to function as a routed port?

A. Enable the switch to participate in routing updates from external devices with the router command in global configuration mode.

B. Enter the no switchport command to disable Layer 2 functionality at the interface level.

C. Each port participating in routing of Layer 3 packets must have an IP routing protocol assigned on a per-interface level.

D. Routing is enabled by default on a multilayer switch, so the port can become a Layer 3 routing interface by assigning the appropriate IP address and subnet information.

Answer: B


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Q16. Which command can be issued without interfering with the operation of loop guard?

A. Switch(config-if)#spanning-tree guard root

B. Switch(config-if)#spanning-tree portfast

C. Switch(config-if)#switchport mode trunk

D. Switch(config-if)#switchport mode access

Answer: C


Q17. What is the result of entering the command port-channel load-balance src-dst-ip on an EtherChannel link?

A. Packets are distributed across the ports in the channel based on the source and destination MAC addresses.

B. Packets are distributed across the ports in the channel based on the source and destination IP addresses.

C. Packets are balanced across the ports in the channel based first on the source MAC address, then on the destination MAC address, then on the IP address.

D. Packets are distributed across the access ports in the channel based first on the source IP address and then on the destination IP addresses.

Answer: B


Q18. Refer to the exhibit.

Which statement best describes first-hop redundancy protocol status?

A. The first-hop redundancy protocol is not configured for this interface.

B. HSRP is configured for group 10.

C. HSRP is configured for group 11.

D. VRRP is configured for group 10.

E. VRRP is configured for group 11.

F. GLBP is configured with a single AVF.

Answer: C


Q19. A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state, which command should be configured?

A. Switch(config)#spanning-tree loopguard default

B. Switch(config-if)#spanning-tree bdpufilter

C. Switch(config)#udld aggressive

D. Switch(config-if)#spanning-tree bpduguard

Answer: A


Q20. Refer to the exhibit.

From the configuration shown, what can be determined?

A. The sticky addresses are only those manually configured MAC addresses enabled with the sticky keyword.

B. The remaining secure MAC addresses are learned dynamically, converted to sticky secure MAC addresses, and added to the running configuration.

C. A voice VLAN is configured in this example, so port security should be set for a maximum of 2.

D. A security violation restricts the number of addresses to a maximum of 10 addresses per access VLAN and voice VLAN. The port is shut down if more than 10 devices per VLAN attempt to access the port.

Answer: B