Cisco 400-151 Free Practice Questions

NEW QUESTION 1
Which two prerequisites for BFD are true? (Choose two)

• A. Install NETWORK_SERVICES_PKG license
• B. For Layer 3 port channels used by BFD, you must enable LACP on the port channel
• C. Disable the IP packet verification check for identical IP source and destination addresses
• D. Enable ICMP redirect messages on BFD-enabled interfaces
• E. For Layer 2 port channels used by BFD, you must disable LACP on the port channel

Answer: BC

Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/interfaces/configuration/guide/if_cli/if_bfd.html

NEW QUESTION 2
Which two statements about the Cisco Open SDN Controller are true? (Choose two.)

• A. It is a commercial distribution based on the OpenFlow controller.
• B. Your own, new network service functions can be added via Java APIs.
• C. Security is enforced by using the Open Services Gateway Initiative framework.
• D. The controller is available as an appliance only.
• E. It can be used in multivendor environments.

Answer: BE

NEW QUESTION 3
After you deploy a Layer 4 - Layer 7 service graph in Cisco AC, where do you modify the parameters
of the Layer 4 - Layer 7 device(s)?

• A. under the Consumer EPG > L4-L7 Service Parameters
• B. under the Service Graph Template
• C. under the Provider EPG > L4-L7 Service Parameters
• D. under the Deployed Graph Instance

Answer: D

NEW QUESTION 4
Which two statements about ASA and multicontext support in ACI are true? (Choose two)

• A. The application policy Infrastructure Controller creates the contexts in the USA
• B. The APIC must communicate with the system context and each virtual context.
• C. Multicontext support enables the same physical appliance to be experted to multiple tennats.
• D. With ASA, you cannot partition a single physical ASA into multiple virtual firewalls
• E. You can create multiple partitions with a virtual appliance, but the vNICs can be shared

Answer: BC

NEW QUESTION 5
Which two statements about import and export route control in an ACI fabric are true? (Choose two.)

• A. Prefixes learned from OSPF/EIGRP L30urs are never permitted inbound by default.
• B. Prefixes learned from BGP L3outs cannot be filtered inbound.
• C. Export route control controls if the prefixes are redistributed from MP-BGP to the egress leaf.
• D. Prefixes permitted inbound are redistributed into MP-BGP at the ingress leaf.

Answer: CD

NEW QUESTION 6
Refer to the exhibit.

Which two characteristics can you tell about the device connected on e1/1 from the output from the Cisco UCS CLI? (Choose two)

• A. The device supports Ethernet only
• B. This device supports FCoE
• C. The device is a B-Senries server
• D. The device is a C-Series server
• E. This device supports PoE

Answer: BD

NEW QUESTION 7
A user is presented with the underlying hardware and software needed to develop and offer applications via the Internet from a cloud service provider. Which cloud model is this user consuming?

• A. Software as a Service
• B. Application as a Service
• C. Infrastructure as a Service
• D. Platform as a Service

Answer: D

NEW QUESTION 8
Which option must be configured before IP Source Guard is used successfully in your networkenvironment?

• A. Dynamic ARP inspection
• B. DHCP snooping
• C. port security
• D. dot1tx

Answer: B

NEW QUESTION 9
Which three statements are considered best practice when directly connecting converged network
adapters to the fabric? (Choose three)

• A. Cisco Unified Fabric links must be configured as access ports and FCoE VLAN must not be configured as a native VLAN
• B. If MSTP is enabled, a separate MST instance must be used for FCoEVLANs
• C. Cisco UF links must be configured as spanning-tree edge ports
• D. A shared VLAN can be used to carry traffic for each virtual fabric in the SAN (for example, VLAN 1002 for VSAN 1, VSAN 2, and so on)
• E. Separate FCoE VLANs must be used for FCoE in SAN-A and SAN-B
• F. A blade switch must connect to multiple converged access switched in a topology.

Answer: BCE

NEW QUESTION 10
A cloud service provider is designing a large multitenant data center to support thousands of tenants. The provider is concerned about the scalability of the Layer 2 network and providing Layer 2 segmentation to potentially thousands of tenants.
Which Layer 2 technology is best suited in this scenario?

• A. LDP
• B. VXLAN
• C. extended VLAN ranges
• D. VRF

Answer: B

Explanation: https://www.cisco.com/c/en/us/products/collateral/switches/nexus-9000-series-switches/white-paper-c11-729383.html

NEW QUESTION 11
Which three commands must be run to enable support of adapter-fexon an interface on a Cisco
Nexus Switch? (Choose three)

• A. switchport mode vntag
• B. feature-set adaper-fex
• C. feature-set virtualization
• D. feature fex
• E. feature adapter-fex
• F. switchport mode adapterfex

Answer: ACE

NEW QUESTION 12
Refer to the exhibit.

Which condition executes the Add DNS server task"?

• A. true
• B. failed
• C. undefined
• D. false

Answer: C

NEW QUESTION 13
DRAG DROP
Drag and drop the term about BFD session parameters from the left onto the correct definition on the right?

Answer:

Explanation:

NEW QUESTION 14
Which option lists key Cisco TrustSec architecture components?

• A. permit,deny,log
• B. classify,mark,deny
• C. authentication,authorization,access control
• D. identity,enforcement,authentication

Answer: C

NEW QUESTION 15
Refer to the exhibit.

Which two statements about this output are true? (Choose two)

• A. Ethanlyzer is a licensed feature
• B. Output indicate the traffic passing from one module to another (non-SUP)
• C. Ethanlyzer is available in all CISCO IOS/NX-OS/IOS-XR devices
• D. Outputs can be filtered using Wireshark filters
• E. Output are for all traffic going to the SUP
• F. Output shown are redirected to the logging flash

Answer: DE

NEW QUESTION 16
Which two guidelines and limitations of PTP on Cisco NX-OS are true? (Choose two)

• A. PTP supports multicast, unicast, and anycast communication
• B. PTP can be enabled only on F - and M - Series module ports.
• C. PTP is limitless per network
• D. Only one PTP process can control all of the port clocks through the clock manager.
• E. PTP supports transport over UD
• F. Transport over Ethernet is not supported.

Answer: DE

NEW QUESTION 17
Which feature in ACI permits the user to specify that HTTP and HTTPS traffic between an L3out EPG
and an internal EPG is sent to a firewall, and SSH and Telnet traffic between the L3Out and the internal EPG bypasses the firewall?

• A. policy-based redirect
• B. Layer 4 – Layer 7 function profile
• C. vzAny contract
• D. contracts and filters

Answer: A

NEW QUESTION 18
Which description of how to enable the Flex Flash Controller auto-sync function on the B200M4 blade is true?

• A. Configure a storage policy for FX3S
• B. Configure a storage connection policy to use auto-sync
• C. Configure a local disk policy for FlexFlash
• D. Enable auto-sync in the servers > inventory > storage subtab

Answer: D

Explanation: https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-manager/GUI-User-Guides/Storage-Mgmt/3-1/b_UCSM_GUI_Storage_Management_Guide_3_1/b_UCSM_GUI_Storage_Management_Guide_3_ 1_chapter_01011.pdf

NEW QUESTION 19
Which two options are common PTP device types? (Choose two)

• A. transparent clock
• B. sundials
• C. crystal clock
• D. network clock
• E. boundary clock

Answer: AE

NEW QUESTION 20
Which two options are best practices when registering Cisco UCS Manager to UCS Central? (Choose
two.)

• A. Use an IP address for UCS Domain when registering.
• B. Ensure that NTP is configured on the UCS Domain and UCS Central.
• C. Ensure that the UCS Domain and UCS Central are in the same Layer 2 domain.
• D. Use a fully qualified domain name for UCS Domain.
• E. Ensure that the independent local time source is used for UCS Domain and UCS Central.

Answer: BD