Free Access Cisco.300-620.v2022-08-20.q113 Practice Test (Page 16)

Question 71

Which two dynamic routing protocols are supported when using Cisco ACI to connect to an external Layer 3 network? (Choose two.)

A.RIPv2

B.iBGP

C.eBGP

D.VXLAN

E.IS-IS

Question 72

Refer to the exhibit.

A client reports that the ACI domain connectivity to the fiber channel storage is experiencing a B2B credit oversubscription. The environment has a SYSLOG server for state collection messages. Which value should be chosen to clear the critical fault?

A.350

B.410

C.300

D.510

Question 73

The company ESXi infrastructure is hosted on the Cisco UCS-B Blade Servers. The company decided to take advantage of ACI VMM integration to enable consistent enforcement of policies across virtual and physical workloads. The requirement is to prevent the packet loss between the distributed virtual switch and the ACI fabric. Which setting must be implemented on a vSwitch policy to accomplish this goal?

A.Static Channel

B.LLDP

C.LACP

D.MAC Pinning

Question 74

Which endpoint learning operation is completed on the ingress leaf switch when traffic is received from a Layer
3 Out?

A.The source MAC address of the traffic is learned as a local endpoint.

B.The source MAC address of the traffic is learned as a remote endpoint.

C.The source IP address of the traffic is learned as a remote endpoint.

D.The source IP address of the traffic is learned as a local endpoint.

Comment: *

Name: *

Email: *

Verification: *

Aug 31, 2022

Explanation:
When traffic enters from l3 out remote ep learning does not happen. Only src mac gets learned as local endpoint in ingress leaf.
Regardless of this limitation, it is not efficient to maintain all outside IP addresses as separate /32 or /128 endpoints.
Cisco ACI must know how to reach these IP addresses as prefixes through routing protocols such as Open Shortest Path First (OSPF), which is the same behavior as for traditional routers.
However, Cisco ACI needs to know only the next hop (external router) for those prefixes.
Because of this consideration, Cisco ACI uses a behavior similar to that in traditional networks for L3Out connectivity.
The Cisco ACI L3Out domain learns the MAC address only from the data plane.
IP addresses are not learned from the data plane in an L3Out domain; instead, Cisco ACI uses ARP to resolve next-hop IP and MAC relationships to reach the prefixes behind external routers.

So it only learns the MAC of the L3Out.
It would also be a local endpoint on the ingress switch because it learned it on an access port and not from the fabric port (which would be remote endpoint).

Reference:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739989.html...

Question 75

An engineer is configuring a VRF for a tenant named Cisco. Drag and drop the child objects on the left onto the correct containers on the right for this configuration.

Other Version: 4048Cisco.300-620.v2022-03-11.q133; 33Cisco.Prepawayete.300-620.v2021-10-30.by.lester.75q.pdf

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Question 71

Question 72

Question 73

Question 74

Question 75

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