400-151 Practice Questions

Question No. 1

Which two statements about ASM and SSM are correct? (Choose two.)

• A. By default, the SSM group range for PIM is 232.0.0.0/8 and for PIM6 is FF3x/96.
• B. PIM ASM is not fully supported on a vPC.
• C. In ASM mode, only the last-hop router switches from the shared tree to the SPT.
• D. RP configuration is not required in the ASM mode.
• E. If you want to use the default SSM group range, you must configure the SSM group range.

Question No. 2

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 UDP. Transport over Ethernet is not supported.

Question No. 3

In Cisco ACI environment, which option best describes ‘contracts’?

• A. named groups of related endpoints
• B. a set of interaction rules between endpoint groups
• C. a Layer 3 forwarding domain
• D. to determine endpoint group membership status

Question No. 4

In cloud computing, which statement best describes a hybrid cloud?

• A. a service cloud that provides compute servers to multiple tenants
• B. a type of infrastructure as a Service cloud that provides ad hoc storage
• C. a cloud architecture where there is a data exchange between public and private cloud offerings
• D. a cloud architecture that combines different cloud offerings such as Infrastructure as a Service and Software as a Service

Question No. 5

Refer to the exhibit.

Which statement is true?

• A. The script adds a range ports to one EPG (from 20 to 30) from both leaves.
• B. The script has an error; the intf attribute should equal ”Interface(‘eth’, ‘1’, port[0], port[1])”
• C. The script adds to the EPG four static ports, ports 20 and 30 from leaf 101 and port 20 and 30, form leaf 102 using as ”port encap” the vlan 100.
• D. The script adds to the EPG four static ports, ports 20 from leaf 101 and port 30 from leaf 102 using as ”port encap” the vlan 100.

Question No. 6

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

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

Question No. 7

Which two statements about the ACI BGP route reflector policy are true? (Choose two)

• A. The BGP route reflector policy is configured under Fabric > Access Policies
• B. Configuring route reflectors requires designating spines as route reflectors and providing the AS number
• C. The ACI Fabric route reflectors use multiprotocol BGP to distribute external routes within the fabric
• D. Route reflectors need not configure connectivity to external networks, but slight performance degradation can occur between border leaf and compute node leafs
• E. The BGP route reflector domain policy autonomous system number is configured during initial the APIC setup script, but it can be modified afterward

Question No. 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

Question No. 9

Refer to the exhibit.

On which VLAN does VLAN Discovery occur?

• A. VLAN 200
• B. VLAN 1105
• C. VLAN 105
• D. VLAN 1

Question No. 10

Refer to the exhibit.

An admin has created a new EPG in an ACI fabric. The admin then specified static path binding as shown in exhibit. After submitting this policy configuration, the admin noticed that this newly created EPG had the fault shown in the exhibit. Which option is the likely explanation of this fault?

• A. There is no fault. The fault is currently in the soaking state and the fault will automaticlly clear and everything will work as expected
• B. The encap VLAN configured is interface for configuration management not within the allowed range of VLANs as specified by the associated domain
• C. There is not enough information to determine the cause of the problem
• D. The admin incorrectly configured this static path as a “trunk” when it should have been configured as an access (untagged) port

Question No. 11

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

Question No. 12

Which two statements about geolocation policies in the ACI Fabric are true?

• A. Geolocation is the identification of the real-world geographic location of a networking device
• B. Geolocation policies are dynamically configured in ACI using the site address field in the spine and leaf Type-network
• C. Creating a geolocation policy involves creating a site,floor,room,and row
• D. Geolocation policies are configured under Fabric > Access Policies
• E. Geolocation is performed by associating a geographic location with an IP address

Question No. 13

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

Question No. 14

Which statement about supportability with ITD is true?

• A. Up to 128 ACE enties are supported
• B. Deny ACE enties are supported
• C. ITD is supported on fabric extenders
• D. Weighted load balancing is supported

Question No. 15

How do multicast routes in the same segment choose the DR?

• A. Cisco Nexus stitches do not have a concept of DR due to vPC
• B. PIM exchanges unicast hello messages between all routers advertised by the anycast RP
• C. PIM hello messages are sent to 224.0.0.13 and the router with the highest priority is selected as the DR
• D. PIM hello messages are sent to 224.0.0.13 and the router with the lowestpriority is selected as the DR

Question No. 16

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