You have an ACI environment with three APICs, two spine switches, and four-leaf switches. You wipe and reboot all APICs first then leaf and spine switches one-by-one and successfully go through the Initial Setuo dialogue on the APIC 1 CIMC KVM console. When you log in to the APIC1 WebGUI, you notice that you do not see any directly connected leaf switches being discovered under Fabric > Inventory > Fabric Membership. What is the cause of the issue?

One of Cisco Nexus Series interfaces has become errdisabled with the error message “DCX-No ACK in 100 PDUs”. What is the cause of this error?

NO: 80

Refer to the exhibit . During a maintenance window of the Nexus switch pair , one of the Cisco Nexus chassis was brought offline for maintenance . The primary Cisco Nexus switch was stable during the maintenance window . After finishing the

tasks on the chassis , the administrator wanted to bring the second switch online . The administrator checked the status of the disconnected switch that was removed from the vPC during the maintenance . The engineer must connect the peer chassis seamlessly with the primary vPC peer without experiencing traffic interruption . Which action accomplishes this goal ?

Refer to the exhibit.

A client configures an upgrade of its Cisco Nexus switches that are connected to the Cisco ACI controller, such that the switches are upgraded one at a time. After the upgrade is run, it is discovered that both Cisco Nexus switches were upgraded simultaneously. Which two actions ensure that the switches upgrade one at a time? (Choose two.)

A network engineer is implementing the Cisco ACI Fabric and notices that the Leaf-1 switch is registered, has

an assigned name, but is displayed as inactive in the APIC. After further investigation, it became clear that the

leaf switch was recently moved from another Cisco ACI environment. Which action resolves the problem?

A system administrator connects a Cisco Nexus 2248PQ FEX to a fabric interconnect to expand the ports that

are available for connecting Cisco UCS C-Series Rack Servers. In Cisco UCS Manager, the administrator does

not see the servers connected to this FEX. Which action should be taken to resolve the issue?

An engineer troubleshoots a VXLAN EVPN data center. The applications in the data center fail to reach the DNS server that is located at IP 10.10.10.10. The engineer examines the BGP EVPN routing table and notes that the IP prefix route covers the DNS server is missing. Which action resolve the issue?

Refer to the exhibit. The administrator set up two pairs of Cisco Nexus switches. The administrator set dfferent vPC priorities on all four Nexus switches. As soon as the administrator activates the vPC between the two pairs the network faces

different issues. The problems range from both Nexus pairs declare themselves as root bridge, as well as spanning-tree inconsistencies and traffic forwarding issues. Which action resolves these issues?

Refer to the exhibit.

A certificate is implemented on the security configuration on the Cisco ACI controller. A customer receives a " Connection Not Secure " error in a browser every time the customer logs in to the Cisco APIC GUI. Which action resolves the issue?

The Cisco Nexus switch is connected to a peer switch that is not running Cisco NX-OS. The switches are connected using port channel and are experiencing packet loss. Which action should be performed on the Cisco Nexus switch ports to resolve this issue?