Cisco 300-180 Exam Questions 2021

NEW QUESTION 1
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 2
Refer to the exhibit.
You install a new Cisco Nexus F3-Series module on a Nexus 7700 Series switch. When you attempt to allocate an interface from the module to a new VDC, an error occurs. Which issus could the error?

• A. Cisco o Nexus F3-Series modules are unsupported in VDCs.
• B. The limit-resource vlan minimum 16 maximum 4094 command missing.
• C. The limit-resource module-type f3 command is missing.
• D. Cisco Nexus f3-Series modules are unsupported on Nexus 7700 Series Switches.

Answer: C

NEW QUESTION 3
A customer reports that it cannot establish a vPC peer link between two Cisco Nexus 5548UP Switches. The interfaces on both switches are configured and cabled correctly. The interface status is up/down on switch 1 and up/up on switch 2. Which three steps are taken to isolate the root cause? (Choose three.)

• A. ask the customer if the link was ever functional
• B. determine whether the fiber-optic cable type (single mode or multimode) matches the X2 modules
• C. swap the fiber-optic cable with one known to be good
• D. swap the transceivers between the two interfaces
• E. swap the ends of the fiber-optic cable

Answer: CDE

NEW QUESTION 4
A customer is configuring an upstream disjoint Layer 2 network in a Cisco UCS domain. So far they have configured the following:
Fabric Interconnects are in switching mode.
There is symmetrical configuration for high availability. There are no overlapping VLANs.
Each vNIC is communicating with one disjoint Layer 2 network.
After validating the above, the customer is still having issues with network connectivity. What is the issue?

• A. Overlapping VLANs are allowed in a disjoint Layer 2 network.
• B. The vNIC configuration is incorrect and must communicate with two or more disjoint layer 2 networks.
• C. The fabric interconnect must be in end-host mode for a disjoint Layer 2 network.
• D. Asymmetrical configuration for high availability needs to be configured.

Answer: C

NEW QUESTION 5
You have a Cisco APIC that has a VIC 1225 adapter installed, Fabric discovery fails. You verify that the cabling is correct, but the LLDP fails, Which option is a possible cause of the failed fabric discovery?

• A. Incorrect V|C adapter firmware version
• B. Incorrect Cisco Nexus firmware version
• C. an SFP transceiver issue
• D. less than three APICs

Answer: A

NEW QUESTION 6
Which statement is true about the show cfs merge status name command?

• A. In a successful merge, all switches in the fabric are shown separately.
• B. The command shows the complete Cisco Fabric Services region database.
• C. The merge master is selected based on the highest sWWN in the fabric.
• D. In a successful merge, all switches are shown in a local fabric.

Answer: D

NEW QUESTION 7
A switch is configured with the following command: switch(config)# aaa authentication login default group tacacs+
What occurs when an AAA login authentication request fails to communicate with any of the servers in the group?

• A. The authentication request fails.
• B. The local database is used for authentication.
• C. The authentication request is successful.
• D. A server in another server group is used, if present.

Answer: A

NEW QUESTION 8
Which statement is true regarding LACP configuration?

• A. With LACP, you can bundle up to 16 interfaces in a channel group.
• B. LACP configuration is global and can be only configured by admin.
• C. After removing LACP configuration, you need to reboot the device.
• D. You can disable LACP while any LACP configurations are present.

Answer: A

NEW QUESTION 9
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 10
Refer to the exhibit.

What does this adapter output indicate?

• A. The target of the configured zone does not match the target of the configured boot order.
• B. The port types between the target and initiator are incorrectly configured.
• C. The target device configuration is not allowing the initiator to access the LUN.
• D. The configured initiator LUN ID does not match the configured target LUN ID.

Answer: C

NEW QUESTION 11
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 12
Which two effects of enabling the persistent FC ID feature are true? (Choose two.)

• A. N Ports receive the same FC IDs when they disconnect from and reconnect to any port on the same switch.
• B. The tcdomain automatically adds entries to the FC ID database when a device connects to a port.
• C. The volatile cache stores up to 4.O00 entries containing the WWN to FC ID bindin
• D. New entries overwrite the oldest entries in the cache if the cache is full.
• E. The contents of the volatile cache are discarded when a server reboots.
• F. The FC IDs used in the fcdomain are saved after you reboot the switch.

Answer: AC

NEW QUESTION 13
Which method does Cisco recommend for recovering a fabric interconnect when you have no working images on the bootflash?

• A. reboot the primary fabric interconnect.
• B. Receive the kickstart image by using TFTP.
• C. Download the system image.
• D. Initiate auto-install.

Answer: B

NEW QUESTION 14
Refer to exhibit.

Customer has a pair of Cisco Nexus7010s switches and connected to a single Cisco Nexus5548 switch via vPC. Customer has a combination of M1 and F1 I/O Modules in Cisco Nexus7010s.
Why is the design described not supported?

• A. Mixing I/O Modules on the Same Side of a Peer Link is not supported
• B. vPC does not support split control plane
• C. You can not configure a vPC peer link to configure two devices as vPCs
• D. Need to add another Cisco Nexus5548 switch to the topology to make this work.

Answer: A

NEW QUESTION 15
Refer to the exhibit.




Which action removes the system designation from VLAN 70?

• A. Create another port profile that excludes VLAN 70
• B. Shut down the port profile first
• C. Delete the uplink-storage port profile, and then receive it
• D. Remove VLAN 70 from the trunk first

Answer: A

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 configuration command is critical in order for OTV edge devices to maintain an overlay adjacency with their local peers in a multihomed site via the join interfaces across the Layer 3 network domain?

• A. otv site-vlan <vlan-id>
• B. otv extend-vlan <vlan.range>
• C. otv use-adjacency-server <ip address> unicast-only
• D. otv site-identifier <id>

Answer: D

NEW QUESTION 18
Refer to the exhibit.

The customer informs you of a problem they are encountering. What is the cause of the problem?

• A. The core upstream switch does not have NPIV enabled.
• B. The downstream switch does not have NPIV enabled.
• C. NPIV has been disabled on all switches.
• D. NPIV has been configured but not enabled on the uplink port.

Answer: A

NEW QUESTION 19
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 20
Which CLI command identifies the service profile that is associated with a particular compute blade, VIF, vNIC type, link state, and pinned interface?

• A. show service-profile path server 1/2
• B. show service-profile circuit server 1/2
• C. show server-blade circuit server 1/2
• D. show server-blade path server 1/2

Answer: B