400-151 practice test

1. Question 1 · 1

   When deploying a sensor network that uses CoAP, which of the following must be done on the firewall to allow sensor traffic into the data center?

   Choose one answer.

   • Permit UDP traffic from the sensor IP address range.
   • Configure stateful inspection for ROLL.
   • Enable NAT64.
   • Permit IP Option 135 traffic from the sensor IP address range(s).

2. Question 2 · 1

   Which two actions must occur for an APIC to be discovered successfully into a new ACI fabric? (Choose two.)

   Choose all answers that apply.

   • The fabric controller target size must be equal to or greater than the number of APICs.
   • A BIOS password must be set.
   • LLDP must be enabled on the virtual interface card of the APIC.
   • The controller must be discovered automatically.
   • LLDP must be disabled on the virtual interface card of the APIC.

3. Question 3 · 1

   Which option is a commonly used network layer protocol in an IoT environment?

   Choose one answer.

   • XMPP
   • AQMP
   • CoAP
   • RPL
   • MQTT

4. Question 4 · 1

   An administrator is replacing a fabric interconnect. The failed fabric interconnect was FI-A and was master at the time of failure. Which process brings the replacement fabric interconnect into the cluster?

   Choose one answer.

   • Connect the new FI-A to the management network and the Layer 1/Layer 2 links to the existing FI-B. Use the Full State Backup file to restore the configuration when prompted at the console.
   • Connect the new FI-A to the management network and the Layer 1/Layer 2 links to the existing FI-B. Let the system sync with FI-B when prompted at the console.
   • Connect the FI-A to the management network and the Layer 1/Layer 2 links to the existing FI-B. Use the All Configuration backup file to restore the configuration through Cisco UCS Manager GUI.
   • Connect the new FI-A to the management network only. Use the Full State Backup file to restore the configuration through Cisco UCS Manager GUI. Connect the Layer 1/Layer 2 cables.
   • Connect the new FI-A to FI-B using the Layer1/Layer 2 cables only. Sync the configuration when prompted. Connect the management interface when the configuration is synced.

5. Question 5 · 1

   Which three options can be used to add a device as a member to a zone? (Choose three.)

   Choose all answers that apply.

   • fully qualified domain name
   • Fibre Channel ID
   • VLAN ID
   • IP address
   • device alias
   • LUN ID

6. Question 6 · 1

   Which two statements about multicast routing are true? (Choose two.)

   Choose all answers that apply.

   • Multicast routes are used to directly forward traffic without making RPF checks.
   • IPv6 static multicast routes are supported.
   • You can define RPF routes for multicast when you want multicast data to diverge from the unicast traffic path.
   • You can define RPF routes for multicast on border routers to enable reverse path forwarding to an external network.
   • RPF routes for multicast can be redistributed.

7. Question 7 · 1

   Refer to the exhibit. Which two statements are true? (Choose two.)

   Choose one answer.

   

   • Server 7 in chassis 4 has been associated with the profile circuit.
   • To check the MAC address from server 7/4 interface eth10, you can check the MAC addresses learned on veth 1866 on fabric interconnect B.
   • The option failover is enabled on all the interfaces.
   • The server has total of six vNICs.
   • Interface vfc 1871 is pinned to fc interface 1/32 in fabric interconnect B.

8. Question 8 · 1

   Which request obtains the switchname, in JSON format, from a Cisco Nexus device via the NX-API?

   Choose one answer.

   • Option A
   • Option B
   • Option C
   • Option D

9. Question 9 · 1

   Which method is the best way to troubleshoot a specific workflow execution in UCSD?

   Choose one answer.

   • Enable debug log first, then check the infrastructure logs.
   • Check the specific SR log.
   • Open the infrastructure log.
   • Generate techsupport and submit it to the TAC workflow analysis tool.

10. Question 10 · 1

    How many APICs can you communicate with at one time in a single REST call using Postman?

    Choose one answer.

    • two
    • There is no limit.
    • one
    • three

11. Question 11 · 1

    Which two statements about OpenStack are true? (Choose two.)

    Choose all answers that apply.

    • Trove is the GUI web application that is used to control and configure different OpenStack components.
    • Keystone is the networking component that is used to create and manage network resources.
    • Nova is the compute component that is used to manage and automate the provisioning of compute resources.
    • Horizon is the component that is used for IP address management.
    • Neutron is the networking component that is used to create and manage network resources.

12. Question 12 · 1

    Refer to the exhibit. Which two options can be determined by the Cisco UCS environment? (Choose two.)

    Choose all answers that apply.

    

    • Five FCoE attached servers are on the FI.
    • The Cisco UCS is in end-host mode.
    • Seven FCoE attached servers are on the FI.
    • The Cisco UCS is in FC switch mode.
    • Three FCoE attached server are on the FI.

13. Question 13 · 1

    Which three configurations can be different between EVPN vPC peers? (Choose three.)

    Choose all answers that apply.

    • using the same primary IP addresses
    • loopback primary IP address
    • consistent NVE1 binding to the same loopback interface
    • using a different secondary IP address
    • consistent VNI to group mapping
    • consistent VLAN to VN-segment mapping

14. Question 14 · 1

    Refer the exhibit. Which statement about VPC member ports on this switch is true?

    Choose one answer.

    

    • VPC ports are suspended
    • VPC ports are error disabled
    • VPC port status remains unchanged
    • Only orphan stay operational

15. Question 15 · 1

    How is the virtual IP for an ACI VPC domain assigned?

    Choose one answer.

    • by DHCP using the default management network
    • manually by the admin
    • by DHCP using the infrastructure VLAN
    • No virtual IP is available for VPC peers on ACI

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