Downloadable 400-151 Forum 2021

NEW QUESTION 1
Which description of Infrastructure as a Service is true?

• A. a cloud service that delivers on-demand internet connection between sites
• B. a cloud service that delivers on-demand internet connection between sites
• C. a cloud service that delivers on-demand resource like networking and storage
• D. a cloud service that delivers on-demand software services on a subscription sis

Answer: C

NEW QUESTION 2
Which three LSA types are valid for OSPFv2? (Choose three)

• A. Router LSA: an LSA sent by every route
• B. This LSA includes the state and the cost of all links and a list of all OSPFv2 neighbors on the link
• C. AS Internal LSA: an LSA generated by the ASB
• D. AS Internal LSAs are flooded only within the autonomous system
• E. Backbone Summary: an LSA sent by the backbone router to all the OSPF areas
• F. DR Summary LSA: an LSA sent by the DR router to all the others on network
• G. Default LSA: an LSA generated by the ASB
• H. These LSAs are used to propagate default route into OSPF
• I. Network LSA: an LSA sent by the D
• J. This LSA lists all routers in the multi-access network
• K. Opaque LSA: an LSA used to extend OSPF

Answer: AFG

NEW QUESTION 3
Which two statements about OpenStack are true? (Choose two)

• A. Nova is the compute component that is used to manage and automate the provisioning ofcompute resources
• B. horizon is the component that is used for IP address management
• C. Keystone is the networking component that is used to create and manage network resources
• D. how is the GUI web application that is used to control and configure different OpenStackcomponents
• E. neutron is the networking component that is used to create and manage networkresources

Answer: AE

NEW QUESTION 4
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 5
While you attempt to register Cisco UCS Manager domains with Cisco UCS Central, you find that it is failing. Which three options are possible causes for the failure between the Cisco UCS Manager domainand Cisco UCS Central? (Choose three.)

• A. incorrect default policy configured in Cisco UCS Central
• B. incorrect shared secret
• C. data and time mismatch
• D. using the IP address of the Cisco UCS Manager domain instead of the FQDN
• E. version mismatch
• F. TCP packet loss

Answer: BCF

NEW QUESTION 6
Which two limitations or requirements do MP-BGP-based EVPN addresses have compared to the
initial IETF VXLAN standard (RFC 7348)? (Choose two)

• A. network flooding through protocol-based host MAC/IP route distribution and ARP suppression on the local VTEPs
• B. requirement to disable multicast for underlay forwarding
• C. active-passive multihoming at Layer 2
• D. scalability limitations due to data-driven flood-and-learn behavior
• E. Provides suboptimal forwarding for east-west and north-south traffic and supports workload mobility with the distributed anycast function

Answer: AD

NEW QUESTION 7
STP provides a loop-free network at the Layer 2 level. Layer 2 LAN ports send and receive STP frames at regular intervals. Network devices do not forward these frames but use the frames to construct a loop-free path. Which option is the name of these frames?

• A. bridge protocol data units
• B. Cisco Discovery Protocol frames
• C. Link Layer Discovery Protocol frames
• D. runt frames

Answer: A

NEW QUESTION 8
Which access policy determines whether or not interfaces will be members of the same virtual port channel in ACI environment?

• A. interface selector
• B. port channel
• C. port channel member
• D. policy group

Answer: A

NEW QUESTION 9
Which option is a valid overlay interface configuration and configures the OTV edge device as a
secondary OTV adjacency server?

• A. interface Overlay 1otv join-interface e 101/1/48 otv adjacency-server secondaryotv use-adjacency-server primary 10.1.1 1 otv extend-vlan 5-10
• B. interface Overlay 1 otv join-interface e1/2otv adjacency-server unicast-onlyotv use-adjacency-server 10 111 unicast-onlyotv extend-vlan 5-10
• C. interface Overlay 1otv join-interface e101/1/48otv adjacency-server unicast-onlyotv use-adjacency-server 10 1.1 1 unicastonlyotv extend-vlan 5-10
• D. interface Overlay 1 otv join-interface e1/2otv use-adjacency-sen/er 10.1 1 1 10.1.1 2otv extend-vlan 5-10

Answer: B

NEW QUESTION 10
An administrator is replacing a fabric interconnect.The failed interconnect was FI-A and was master at
the time of failure.Which process brings the replacement fabric interconnect into the cluster?

• A. Connect the new FI-A to FI-B USING THE Layer 1/Layer 2 cables onl
• B. Sync the configuration when prompted.Connect the management interface when the configuration is synced.
• C. Connect the new FI-A to the management network and the Layer 1/Layer 2 links to the existingFIB.Use the full state backup file to restore the configuration when prompted at the console.
• D. Connect the new FI-A to the management network onl
• E. Use the fuil state backup file to restore configuration through Cisco UCS Manager GUI.Connect the Layer 1/Layer 2 cables
• F. Connect the FI-A to the management network and the Layer 1/Layer 2 links to the existing FI
• G. Use the all configuration backup file to restore the configuration through Cisco UCS Manager GUI
• H. 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

Answer: C

NEW QUESTION 11
Which option lists the goals of LISP?

• A. Redirection, scalability, optimized routing, client independence, address family agnostic
• B. Redirection, scalability, OTV replacement, client independence, address family agnostic
• C. Redirection, scalability, optimized routing, client independence, address family agnostic, BGP replacement
• D. Redirection, scalability, optimized routing, client independence, address family agnostic, Layer 4 routing

Answer: A

Explanation:
https://www.cisco.com/c/dam/en/us/products/collateral/ios-nx-os-software/locator-id-separation-protocol-lisp/lisp-vm_mobility_wp.pdf

NEW QUESTION 12
Which three distinct categories are within the cloud computing stack? (Choose three)

• A. SaaS
• B. laaS
• C. NaaS
• D. PaaS
• E. LaaS
• F. DaaS

Answer: ABD

NEW QUESTION 13
Which option is required by atomic counters to be leveraged in troubleshooting endpoint connectivity?

• A. Endpoints must be in different endpoint groups
• B. Endpoints must connect to different leaf switches
• C. Endpoints must connect to the same leaf switch
• D. Endpoints must be in different VRFs
• E. Endpoints must be in different bridge domains

Answer: B

NEW QUESTION 14
Refer to the exhibit.

Within an ACI fabric, a routing protocol is needed to assist with route redistribution between the outside networks and the internal fabric. Which routing protocol is needed to run in the fabric at location 1 to allow the VM access to the networks advertised by the external Layer 3 network.

• A. eBGP
• B. OSPF
• C. MP-BGP
• D. iBGP
• E. IS-IS

Answer: C

NEW QUESTION 15
In which default state are all Cisco UCS Fabric Interconnect Ethernet ports configured?

• A. uplink port
• B. unconfigured port
• C. disabled port
• D. trunk port
• E. access port

Answer: B

Explanation:
https://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/141/UCSM_GUI_Configuration_Guide_141_chapter5.html

NEW QUESTION 16
On a cluster with three APICs, on which APIC can you see actual device package logs?

• A. APIC 1
• B. on the one that is a leader for device package service
• C. depending on the device package, on the APIC that is a leader for that device package
• D. depending on the tenant, on the APIC that is a leader for the shard for that particular tenant

Answer: A

NEW QUESTION 17
An IoT Solution is more likely to generate a lot of analytics and data. Which of the following enables this information to be analysed and managed through integration with 3rd party devices and applications?

• A. ASR
• B. API
• C. Prime Infrastructure
• D. IP67

Answer: B

NEW QUESTION 18
Which technology, implemented on aggregation-edge nodes at the aggregation layer, provides per-
tenant isolation at Layer 3, with separate dedicated per-tenant routing and forwarding tables on the inside interfaces of firewall contexts?

• A. VDC
• B. VRF-lite
• C. VXLAN
• D. VLAN

Answer: B

Explanation:

https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/VMDC/2-2/design_guide/vmdcDesign22/VMDC_2-2_DG_2.html

NEW QUESTION 19
Which configuration step is needed is Cisco UCS Director to enable an option to metadata reportand
REST API Browser for developers?

• A. Enable the debugging menu
• B. Enable the REST API
• C. Enable the developer menu
• D. Enable report metadata

Answer: C

NEW QUESTION 20
Refer to the exhibit.

Health scores can be aggregated for a variety of areas such as for the system, infrastructure, tenants, applications, or services. Which health score level is the exhibit from APIC GUI an example of?

• A. system
• B. managed object
• C. pod
• D. tenant

Answer: C

Explanation:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/aci-fundamentals/b_ACI-Fundamentals/b_ACI_Fundamentals_BigBook_chapter_01010.html

NEW QUESTION 21
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 22
Which statement about enhanced zoning is true?

• A. It cannot move back to basic zoning from enhanced zoning without a clean wipe and restore of the switches in the fabric.
• B. It does not support fWWN-based membership in the standard interop mode (interop mode 1).
• C. It provides a vendor ID along with a vendor-specific type value to uniquely identify a member type.
• D. Changes to the zoning database and subsequent distribution require reactivation of the zone set.

Answer: C

NEW QUESTION 23
What is recommended backup policy for Cisco Cloud Center?

• A. Bi-Weekly Basis
• B. Daily Basis
• C. Monthly Basis
• D. Weekly Basis
• E. Hourly Basis

Answer: B

NEW QUESTION 24
Which OSPF feature groups LSAs with similar link-state refresh times to allow OSPFv2 to pack
multiple LSAs into an OSPFv2 update message?

• A. LSA compression
• B. SPF optimization
• C. LSA throttling
• D. LSA group pacing

Answer: D

NEW QUESTION 25
Which of the following are two possible upgrade states for a node in ACI ? (Choose two)

• A. CompleteNOK
• B. upgrading
• C. CompleteOK
• D. aborted
• E. failed

Answer: AC

Explanation:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/Operating_ACI/guide/b_Cisco_Operating_ACI/b_Cisco_Operating_ACI_chapter_0101.pdf

NEW QUESTION 26
Which two statements about VLAN Trunking Protocol are true? (Choose 2)

• A. VIAN Trunking Protocol is a Layer 2 messaging protocol that maintains VLAN consistency by managing the addition, deletion, and renaming of VLANs within a VLAN Trunking Protocol domain.
• B. On Cisco Nexus switches, VLAN Trunking Protocol is enabled by default.
• C. Layer 2 trunk interfaces, Layer 2 port channels, and virtual port channels support VLAN Trunking Protocol functionality.
• D. VLAN Trunking Protocol is only supported on Layer 2 trunk interfaces.
• E. VLAN Trunking Protocol is a Layer 2 messaging protocol that maintains the interface VLAN configuring within a VLAN Trunking Protocol domain.

Answer: AC

NEW QUESTION 27
Which two components are the responsibility of the customers in a Platform as a Service offering? (Choose two)

• A. APIs
• B. infrastructure connectivity
• C. applications
• D. hardware
• E. data

Answer: CE

NEW QUESTION 28
Which two benefits do VXLANs offer compared to VLANs? (Choose two)

• A. It provides better utilization of available network paths in the overlay infrastructure B.VXLAN uses a 24-bit VNID to overcome the 4094 VLAN scale limitation
• B. It provides a solution to extend Layer 2 segments over a shared Layer 3 routed network
• C. VXLAN uses a 16-bit VNID to overcome the 4094 VLAN scale limitation
• D. It provides a solution to extend Layer 2 segments over a single Layer 2 VLAN

Answer: BC

NEW QUESTION 29
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