Cisco 300-180 Guidance 2021

NEW QUESTION 1
The Cisco Nexus 2248 FEX has been added recently to the network via a vPC to the Nexus 5000 switches; however, connectivity is not yet operational. What is the problem with the configuration?

• A. Both Nexus 5000 switches must associate to the same FEX number
• B. Each Nexus 5000 should have its own FEX to support a straight-through topology.
• C. The maximum number of links for pinning purposes should be increased to 2.
• D. Ethernet1/18 must be configured without a port channel.

Answer: D

NEW QUESTION 2
Refer to the exhibit.

A customer is having a problem getting NPV to work. What is causing the problem?

• A. The core NPV switch port is not an F port.
• B. The core NPV switch port is in a shutdown state.
• C. The core NPV switch port is not configured on both ends.
• D. The core NPV switch port is not configured on the other end.
• E. The core NPV switch ports are in the wrong domain.

Answer: A

NEW QUESTION 3
While the Nexus 7010 switches are configured with vPC, the Nexus 5000 switch connections to each Nexus 7010 are configured as regular port-channels. Which statement best describes the problem affecting the port channel on N5K1?

• A. LACP is not configured to initiate negotiations.
• B. N5K1 must also be configured with vPC.
• C. load-balancing is not configured correctly on N5K1.
• D. The remote ends of the port-channel on N5K1 cannot use the same interface.

Answer: D

Explanation:
The remote ends of the port-channel on N5K1 cannot use the same interface.
If you look at the remote ends and issue the “show interface port-channel, you will see that only one physical interface is assigned to the port channel.

NEW QUESTION 4
You discover that OSPF neighbors are stuck in Exstart and Exchange states.
What prevents the external routes from being propagated to the leaf switches to which endpoints are attached for a given tenant?

• A. The outside router is configured with an incorrect OSPF area ID.
• B. There is an MTU mismatch between the OSPF neighbors.
• C. The outside router is configured with an incorrect OSPF area type.
• D. The outside router is configured for MTU 9000.

Answer: B

NEW QUESTION 5
Which two commands will show all the MAC addresses learned from remote sites in an OTV overlay? (Choose two.)

• A. show otv route overlay
• B. show otv vlan
• C. show ip arp
• D. show mac address-table
• E. show otv site

Answer: AE

NEW QUESTION 6
In Cisco UCS, which logs are used to troubleshoot hardware failure?

• A. system event log
• B. audit log
• C. gateway logs
• D. system log

Answer: A

NEW QUESTION 7
Refer to the exhibit.

Which command was used to produce the output for the inband packet statistics?

• A. show hardware internal cpu-mac inband counters
• B. show system internal interface counters module
• C. show interface counters all

Answer: A

NEW QUESTION 8
Refer to the exhibit.

The output displays a failed SFP validation. What is the cause of the failure?

• A. The fiber is not connected to the SFP
• B. The SFP is not a valid Cisco SFP
• C. The speed needs to be changed to 10000,
• D. The speed needs to be changed to 1000

Answer: A

NEW QUESTION 9
Refer to the exhibit. Anycast RP fails. Which two actions do you perform to resolve the issue? (Choose two.)

• A. Configure the IP address of Anycast RP to use the multicast range.
• B. Change the loopback2 interface on Nexus 2 to 10.1.1.1/32.
• C. Change the pim rp-address on Nexus 2 to 10.1.1.1.
• D. Add the pim ssm range to Nexus 1.
• E. Set the pim ssm range on Nexus 2 to 225.0.0.0/24

Answer: BC

NEW QUESTION 10
It has been determined that unknown unicast, multicast, and broadcast traffic is not correctly being switched through either Nexus 7010 switch. Which statement best describes the cause of this issue?

• A. No VLANs are allowed across the vPC peer link.
• B. The MST STP is not enabled on either switch.
• C. The default VLAN is inactive.
• D. VTP is not configured to handle this type of traffic.

Answer: B

Explanation:
The MST STP is not enabled on either switch
From both switches the “show spanning-tree mst” command shows that the switch is not in MST mode.

NEW QUESTION 11
Which two of these would cause two switch fabrics not to merge? (Choose three.)

• A. The switches do not have at least one assigned domain ID in common.
• B. Two switches have different assigned VSANs on the connecting ports.
• C. The switches have different assigned VLANs on the connecting ports.
• D. The static domain ID does not override the dynamic ID.
• E. The election of the static domain is only determined by the WWNs of the two switches.

Answer: BC

NEW QUESTION 12
In Cisco NX-OS releases prior to 5.2, how should the copp-system-p-policy policy be modified to change how the supervisor module is protected from DoS attacks?

• A. Modify the policy map type control-plane copp-system-policy.
• B. Open DCNM and modify the "copp-system-p-policy" policy object.
• C. Re-run the setup utility and apply a new CoPP profile.
• D. In Cisco NX-OS versions prior to 5.2, the CoPP system profile can only be modified from the CMP CLI.

Answer: C

NEW QUESTION 13
Refer to the exhibit.

What is the cause of the ISSU failure when using the command show system internal csm global info?

• A. The command conf-t is holding a lock and not released it.
• B. The SSN feature is not enabled on both switches.
• C. The reference count is less than 1 due to a lack of successful config-sync.
• D. It cannot be determined from the output.
• E. An Administrator is logged in on another session and has a lock of the session data base to prevent ISSU.

Answer: A

NEW QUESTION 14
Refer to the exhibit.

You configure a vPC between two Cisco Nexus 7000 Series switches but the peer link will not come up. What is the problem?

• A. The configuration is correc
• B. The problem lies elsewhere.
• C. The vPC domain numbers must be different.
• D. The role priority must be the same.
• E. The system priority must be the same.

Answer: D

NEW QUESTION 15
Refer to the exhibit.
Boot from SAN fails. The host fails to detect the LUNs. You must resolve the issue. Drag and drop the WWPNs on the left to the correct zones on the right.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
1- D, 2-C, 3-A, 4-B

NEW QUESTION 16
You plan to troubleshoot EPG communication by using atomic counters. What do you consider before using the atomic counters?

• A. Atomic counters only property in a transit, non-full-mesh topology,
• B. Atomic counters count the traffic for the endpoints that are located in different VRFs.
• C. Atomic counters do not count the traffic between EPGs that reside in different VRFs.
• D. Atomic counters also count spine proxy traffic

Answer: C

NEW QUESTION 17
Which command is used to check for potential vPC configuration consistency problems?

• A. show vpc brief interface
• B. show vpc global config
• C. show vpc consistency-parameters global
• D. show vpc config

Answer: C

NEW QUESTION 18
You have a node in a decommissioned state. What could cause the issue?

• A. The node was disabled by the user.
• B. The node is unreachable.
• C. The node is in a transient state.
• D. The node cannot join the fabric

Answer: A

NEW QUESTION 19
Refer to the exhibit.

The firmware fails while using AutoInstall. What cloud cause this issue?

• A. A maximum of two active partitions is permitted when using AutoInstall
• B. The bootflash partition exceeded 70 percent of the capacity of the flash drive.
• C. The license for the Advance Services package must be installed.
• D. The workspace partition must be at least 10 percent of the flash drive.

Answer: B

NEW QUESTION 20
You install a new DIMM in a Cisco UCS C-Series standalone rack server and that DIMM is not recognized by the server. What actions do you take to troubleshoot the problem? (Choose two)

• A. Remove an old DIMM from the blue memory slot and install the new DIMM there.
• B. Verify that the DIMM has been qualified to work on Cisco UCS servers.
• C. Return the DIMM for a new replacement.
• D. Remove and dispose of the bad DIMM.
• E. Verify that the DIMM is in a slot that supports an active CPU.

Answer: BD

NEW QUESTION 21
On a Cisco Nexus 5500 Series Switch, the VFC is stuck in the initializing state. Which QoS statements must be configured for FCoE to operate?

• A. system qosservice-policy type qos input fcoe-default-in-policy service-policy type queuing input fcoe-default-in-policy service-policy type queuing output fcoe-default-out-policy service-policy type network-qos fcoe-default-nq-policy
• B. system qosservice-policy type qos input fcoe-default-in-policy service-policy type queuing input fcoe-default-in-policy service-policy type qos input default-in-policyservice-policy type network-qos default-nq-policy
• C. system qosservice-policy type qos input default-in-policy service-policy type queuing input default-in-policy service-policy type queuing output default-out-policy service-policy type network-qos default-nq-policy
• D. system qosservice-policy type qos input default-in-policy service-policy type queuing input default-in-policyservice-policy type queuing output fcoe-default-out-policy service-policy type network-qos fcoe-default-nq-policy

Answer: A

NEW QUESTION 22
Which CLI command can tell which switch is on the other side of port channel 2 that is trunking VSAN 5?

• A. show topology vsan 5
• B. show interface port-channel 2 trunk vsan 5
• C. show interface port-channel 2 vsan 5 peer-info
• D. show fcs vsan 5
• E. show fspf database vsan 5 interface port-channel 2

Answer: A

NEW QUESTION 23
There is an ARP storm in VDC 1. Some users on VDC 2 notice that ARP is not resolving for their gateway on the Cisco Nexus core. What is the cause?

• A. The ARP CoPP class committed information rate is exceeded, resulting in ARP loss in all VDCs.
• B. The administrator has not correctly configured the ARP CoPP class in VDC 2.
• C. The ARP traffic in VDC 1 is copied to the host ports in VDC 2, causing overutilization and output discards.
• D. Because the ARP process in the default VDC (VDC 1) is responsible for processing ARP traffic for all VDCs, VDC 2 will be affected.

Answer: A

NEW QUESTION 24
What is one requirement for running FabricPath on a Cisco Nexus 7000 Series switches?

• A. You must have an F Series module
• B. You must run NX-OS version 4.2 to run FabrciPath
• C. ISSU needs to be disabled to run FabricPath
• D. LAN_TRANSPORT_SERVICES_PKG license needs to be installed to run FabrciPath

Answer: A

NEW QUESTION 25
A customer has two data centers, containing two Cisco Nexus 7000 switches. For redundancy, HSRP and vPC have been implemented. The customer implemented OTV to extend VLAN 325 between data centers and there is one default gateway over the four Cisco Nexus 7000 switches.

• A. 001e.0C9F.F145
• B. 0000.0C9f.F145
• C. 001e.0C07.A145
• D. 0000.0C07.A145

Answer: D

NEW QUESTION 26
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