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Cisco 300-135 Exam Actual Questions

The questions for 300-135 were last updated at May 17, 2021.
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Topic 1 - Question Set 1

Question #1 Topic 1

A customer network engineer has made configuration changes that have resulted in some loss of connectivity. You have been called in to evaluate a switch network and suggest resolutions to the problems.





PC2 in VLAN 200 is unable to ping the gateway address 172.16.200.1; identify the issue.

  • A. VTP domain name mismatch on SW4
  • B. VLAN 200 not configured on SW1
  • C. VLAN 200 not configured on SW2
  • D. VLAN 200 not configured on SW4
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Correct Answer: D
By looking at the configuration for SW2, we see that it is missing VLAN 200, and the "switchport access vlan 200" command is missing under interface eth 0/0:

Question #2 Topic 1

A customer network engineer has made configuration changes that have resulted in some loss of connectivity. You have been called in to evaluate a switch network and suggest resolutions to the problems.





Which of statement is true regarding STP issue identified with switches in the given topology?

  • A. Loopguard configured on the New_Switch places the ports in loop inconsistent state
  • B. Rootguard configured on SW1 places the ports in root inconsistent state
  • C. Bpduguard configured on the New_Switch places the access ports in error-disable
  • D. Rootguard configured on SW2 places the ports in root inconsistent state
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Correct Answer: A
On the new switch, we see that loopguard has been configured with the "spanning-tree guard loop" command.

The loop guard feature makes additional checks. If BPDUs are not received on a non-designated port, and loop guard is enabled, that port is moved into the STP loop-inconsistent blocking state, instead of the listening / learning / forwarding state. Without the loop guard feature, the port assumes the designated port role.
The port moves to the STP forwarding state and creates a loop.

Question #3 Topic 1

A customer network engineer has made configuration changes that have resulted in some loss of connectivity. You have been called in to evaluate a switch network and suggest resolutions to the problems.





You have configured PVST+ load balancing between SW1 and the New_Switch in such a way that both the links E2/2 and E2/3 are utilized for traffic flow, which component of the configuration is preventing PVST+ load balancing between SW1 and SW2 links

  • A. Port priority configuration on SW1
  • B. Port priority configuration on the New_Switch
  • C. Path cost configuration on SW1
  • D. Path cost configuration on the New_Switch
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Correct Answer: D
Here is the configuration found on the New_Switch:

This causes the port cost for link eth 1/3 to increase the path cost to 250 for all VLANs, making that link less preferred so that only eth 1/2 will be used.

Question #4 Topic 1

A customer network engineer has made configuration changes that have resulted in some loss of connectivity. You have been called in to evaluate a switch network and suggest resolutions to the problems.





Refer to the topology.
SW1 Switch Management IP address is not pingable from SW4. What could be the issue?

  • A. Management VLAN not allowed in the trunk links between SW1 and SW4
  • B. Management VLAN not allowed in the trunk links between SW1 and SW2
  • C. Management VLAN not allowed in the trunk link between SW2 and SW4
  • D. Management VLAN ip address on SW4 is configured in wrong subnet
  • E. Management VLAN interface is shutdown on SW4
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Correct Answer: D
In the network, VLAN 300 is called the Management VLAN. Based on the configurations shown below, SW1 has VLAN 300 configured with the IP address of
192.168.10.1/24, while on SW4 VLAN 300 has an IP address of 192.168.100.4/24, which is not in the same subnet.


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