Validated 400-151 Free Practice Questions 2021
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NEW QUESTION 1
A user wants to allow VLANs 1-3967 on a pure Layer 2 FabricPath spine with the least amount of configuration required. Which configuration is correct?
- A. Vlan3967 mode fabric pathInterface eth(fabricpath core interface) switchport mode fabricpath
- B. Vlan 1mode fabricpath fabncpath mode transit
- C. Vlan 1-3967mode fabricpathInterface eth(fabricpath core interface) switchport mode fabncpath
- D. Vlan 1-3967Interface eth( fabricpath core interface) switchport mode trunkswitchport trunk allowed vlan all
NEW QUESTION 2
A user requests one primary VLAN,two community VLANs and two isolated VLANs for multicasts
capable servers that must transmit multicast traffic and receive multicast traffic through the use of IGMPv2 on which VLAN must the IGMP querier be configured?
- A. isolated VLAN and both community VLANs
- B. only the primary VLAN
- C. primary and secondary VLANs
- D. Layer 2 multicast is not supported when using private VLANs
NEW QUESTION 3
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
NEW QUESTION 4
In a Cisco ACI environment, which option best describes “contracts"?
- A. to determine endpoint group membership status
- B. named groups of related endpoints
- C. a set of interaction rules between endpoint groups
- D. a Layer 3 forwarding domain
NEW QUESTION 5
Which IETF standard is the most efficient messaging protocol used in anloT network?
- A. SNMP
- B. HTTP
- C. CoAP
- D. MQTT
NEW QUESTION 6
Which statement about switch policies and leaf profiles in the ACI Fabric is true?
- A. Switch leaf profiles are configured under Fabric > Fabric Policies
- B. Leaf and spine profiles can be part of the same switch policy switch profile when the ports on the leafs and spines have similar characteristics
- C. Manually configuring leaf profiles is not required because they are dynamically configure after new devices come online that are connected to the front panel ports of the leaf
- D. Leaf profilesare associated to interface selector profiles that identify ports on the leaf
- E. Each leaf profile in the ACI fabric must have a unique policy that identifies each single leaf
NEW QUESTION 7
Refer to the exhibit.
An admin wants to bring online a new leaf node into their ACI fabric. Before registering the leaf node, the admin checks the current status and sees this output. Which option is the reason for the admin to see this output?
- A. The DHCP server running on the APIC has failed and thus the leaf node has not been able to obtain an IP address.
- B. The leaf node is yet to be physically connected to the fabric.
- C. This output is expected until the admin registers the leaf node with an ID and name.
- D. This output is expected until the admin registers the leaf node and assigns it a role.
- E. The wrong catalog firmware is running on the APIC.
NEW QUESTION 8
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
NEW QUESTION 9
While doing service insertion with vASA with route peering, which two parts must be configured?
- A. The path for interfaces must be specified when the L4-L7 device is created.
- B. The route peering profile must be specified when the L4-L7 Service Graph template is created.
- C. The VM name must be specified when the L4-L7 device is created.
- D. The chassis must be specified when the L4-L7 device is created.
NEW QUESTION 10
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
NEW QUESTION 11
Refer to the exhibit.
Which statement is true?
- A. The interface belongs to server 8/3 and it is pinned to fabric interconnect B.
- B. If you run "shnpvflogi | i vfc1972".details are shownforvtc 1972.
- C. The port belongs to VSAN 70
- D. interface veth 10164 is up
NEW QUESTION 12
Which two types of traffic are consolidated using Cisco unified Fabric? (Choose two)
- A. voice traffic
- B. InfiniBand traffic
- C. video traffic
- D. SAN storage traffic
- E. network traffic
NEW QUESTION 13
Which three distinct categories are within the cloud computing stack? (Choose three)
- A. SaaS
- B. laaS
- C. NaaS
- D. PaaS
- E. LaaS
- F. DaaS
NEW QUESTION 14
Which two statements about FabricPath are true? (Choose two.)
- A. Traffic can only be forwarded from the root switch in First-Hop Redundancy Protocols.
- B. FabricPath interfaces carry only FabricPath-encapsulated traffic.
- C. FabricPath does not require an Enhanced Layer 2 Package license.
- D. STP does run inside a FabricPath network.
- E. The F-Series modules do not support multiple SPAN destination ports of virtual SPAN.
NEW QUESTION 15
Which two Layer 4 – Layer 7 parameters are needed to do route peering with a Layer 4 – Layer 7
service device in Cisco ACI? (Choose two)
- A. Under the device interface, the L3 out must be selected
- B. A valid router configuration must be set under the service graph template
- C. Under the device interface, the path must be selected
- D. A router ID must be assigned under the Layer 4-Layer 7 device
- E. The connector type must be set to “Layer 2 Peering”
NEW QUESTION 16
The OS team has requested that you expand the receive queues of an existing server. Which action accomplishes this change?
- A. Reconfigure the default vNIC behavior
- B. Reconfigure the vNIC to the requested queue size
- C. Configure and apply a custom LAN connectivity policy
- D. Configure and apply a custom adapter policy
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