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Cisco 300-630 Exam Questions

Cisco 300-630 Exam Questions Answers

Implementing Cisco Application Centric Infrastructure - Advanced (DCACIA)

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Cisco 300-630 Sample Questions – Free Practice Test & Real Exam Prep

Question #1

What is the advantage of implementing an active-active firewall cluster that is stretched across separate pods when anycast services are configured?

  • A. A different MAC/IP combination can be configured for the firewall in each pod.  
  • B. The local pod anycast node is preferred by the local spines.  
  • C. A cluster can be deployed in transparent mode across pods.  
  • D. Local traffic in a pod is load-balanced between the clustered firewalls.  
Answer: A 
Question #2

A customer is deploying a new application across two ACI pods that is sensitive to latency and jitter. The application sets the DSCP values of packets to AF31 and CS6, respectively. Which configuration changes must be made on the APIC to support the new application and prevent packets from being delayed or dropped between pods?

  • A. disable DSCP translation policy  
  • B. align the ACI QoS levels and IPN QoS policies  
  • C. disable DSCP mapping on the IPN devices  
  • D. align the custom QoS policy on the EPG site in the customer tenant  
Question #3

Which firewall connection allows for the integration of service nodes in transparent mode with a Cisco ACI Multi-Pod setup? 

  • A. active-standby mode across pods  
  • B. active-active mode per pods for communication between internal endpoints  
  • C. active-standby mode per pods for communication between endpoints and external networks
  • D. active-active mode across pods  
Answer: A
Reference:

 https://www.cisco.com/c/en/us/solutions/collateral/data-centervirtualization/application-centric- infrastructure/white-paper-c11-739571.html (table 1)
Question #4

What is a design implication for Cisco ACI using an application-centric approach?

  •  A. Multiple VLANs and/or multiple EPGs are under one bridge domain
  •  B. VLAN numbers are in the names of the bridge domain and EPG objects
  •  C. One EPG is mapped to multiple bridge domains 
  • D. One VLAN equals one EPG equals one bridge domain 
Answer: C
Question #5

Cisco ACI fabric is migrated from network-centric mode to application-centric mode. What is possible in an application-centric design? 

  • A. remapping of VLAN pools 
  • B. migration of bare metal servers to virtual machines 
  • C. creation of additional EPGs under one bridge domain 
  • D. Cisco ACI VMM integration with hypervisors
 Answer: C 
Question #6

An engineer created a Cisco ACI environment in which multiple tenants reuse the same contract. The requirement is to prevent inter-tenant communication. Which action meets this requirement? 

  • A. Create the contract in the user tenant with the scope set to VRF and exported to other tenants 
  • B. Create the contract in the common tenant with the scope set to Tenant 
  • C. Create the contract in the user tenant with the scope set to Global and exported to other tenants 
  • D. Create the contract in the common tenant with the scope set to Global 
Answer: B 
Question #7

An engineer must implement a full mesh Cisco ACI Multi-Site architecture. Which action must be taken on each spine to accomplish this goal?

  •  A. Configure BGP-EVPN Router-ID 
  • B. Configure Multi-Pod Data-Plane TEP
  •  C. Configure Overlay Unicast TEP 
  • D. Configure Overlay Multicast TEP 
Question #8

What does the VXLAN source port add to the overlay packet forwarding when it uses the hash of Layer 2, Layer 3, and Layer 4 headers of the inner packet? 

  • A. ECMP
  •  B. TCP optimization
  •  C. disabled fragmentation 
  • D. jumbo frames
Question #9

An engineer deployed a Cisco ACI fabric and noticed that the fabric learns endpoints from subnets that are not configured on a bridge domain. To meet strict security requirements,the engineer must prevent this behavior. Which action must be taken to prevent this behavior?

  • A. Activate Enable Data Plane Endpoint Learning  
  • B. Implement Pervasive Gateway  
  • C. Configure Static Binding  
  • D. Enable Enforce Subnet Check  
Answer: D 
Question #10

An engineer configures a new Cisco ACI Multi-Site Orchestrator node to join an MSO cluster. Which two components are necessary to ensure that the new node has IP connectivity in this configuration? (Choose two.)

  • A. Cisco ACI spine interfaces that are connected to ISN  
  • B. Cisco APICs over the OOB management network  
  • C. existing Cisco ACI Multi-Site Orchestrator node  
  • D. management IP of ESXi hosts where the controllers are deployed  
  • E. OOB interface of ISN  
Answer: B,C
Reference:

https://www.cisco.com/c/en/us/solutions/collateral/data-centervirtualization/application-centric- infrastructure/white-paper-c11-739609.html 
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