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Cisco 300-630試験は、Cisco Application Centric Infrastructure（ACI）を実装する責任があるITプロフェッショナルの知識とスキルをテストするために設計されています。この上級レベルの認定試験は、複雑なACI環境の展開、管理、トラブルシューティングの経験を持つプロフェッショナルを対象としています。
質問 # 66
An engineer configures a new Cisco ACI Multi-Pod setup. Which action should be taken for fabric discovery to be successful for the nodes in Pod 2?
- A. Add the IPN subnet under the Fabric External Routing Profile
- B. Select the Route Reflector field in Pod Peering
- C. Enable the DSCP class-cos translation policy for Layer 3 traffic
- D. Configure POD 2 Data Plane TEP under the Pod Connection Profile
正解：A
質問 # 67
An engineer must migrate servers from a legacy data center infrastructure to a Cisco ACI fabric. Drag and drop the steps from the left into the order that they must be completed on the right to ensure the least amount of downtime.
正解：
解説：
質問 # 68
What are two characteristics of network-centric design in Cisco ACI? (Choose two.)
- A. Applications define the network requirements
- B. EPGs are used for microsegmentation
- C. There is open communication between EPGs
- D. A bridge domain has one subnet and one EPG
- E. EPGs are different security zones
正解：C、D
質問 # 69
Which two actions are the Cisco best practices to configure NIC teaming load balancing for Cisco UCS B- Series blades that are connected to the Cisco ACI leaf switches? (Choose two.)
- A. Enable MAC pinning
- B. Create vPC+
- C. Create vPC
- D. Enable LACP active mode
- E. Create PAgP
正解：A、D
質問 # 70
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 common tenant with the scope set to Global
- B. Create the contract in the user tenant with the scope set to VRF and exported to other tenants
- 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 Tenant
正解：D
質問 # 71
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. align the ACI QoS levels and IPN QoS policies
- B. align the custom QoS policy on the EPG site in the customer tenant
- C. disable DSCP mapping on the IPN devices
- D. disable DSCP translation policy
正解：B
質問 # 72
Refer to the exhibit. Server S1 is connected to Cisco ACI using two NIC interfaces. NIC1 is an active interface and NIC2 is a standby interface. NIC2 uses its MAC address to send traffic to the Cisco ACI fabric when NIC1 is offline. The requirement is to update the IP address to use the MAC address of NIC2. Which action accomplishes this goal?
- A. Enable GARP EP Move Detection.
- B. Set L2 Unknown Unicast to Proxy.
- C. Clear remote MAC entries.
- D. Activate IP Data Plane Learning,
正解：A
質問 # 73
What is a characteristic of a stretched bridge domain solution between Cisco ACI sites with Layer 2 flood disabled?
- A. Headend replication is used for BUM traffic between sites.
- B. IP mobility is ensured between sites for disaster recovery.
- C. The tenant and VRF that associated to the bridge domain have local significance in each site.
- D. The application profile that is associated to the bridge domain have local significance in each site.
正解：C
解説：
Section: Multisite
Explanation/Reference:
質問 # 74
An engineer is configuring ACI Multi-Pod between two data centers and must plan the physical cabling in the primary data center. How must the Cisco ACI Multi-Pod topology be connected?
- A. Connect spine switch 201 and 202 in pod 1 directly to spine switch 201 and 202 in pod 2.
- B. Connect spine switch 201 and 202 in pod 1 to ports on a device that is providing IP connectivity between pods.
- C. Connect leaf switch 101 and 102 in pod 1 directly to leaf switch 101 and 102 in pod 2.
- D. Connect leaf switch 101 and 102 in pod 1 to ports on a device that is providing IP connectivity between pods.
正解：B
質問 # 75
Refer to the exhibit.
Which feature is available across sites if EPGs are stretched?
- A. live virtual machine migration
- B. Layer 2 flooding across sites
- C. active-active high-availability firewall clustering
- D. Layer 3 routing between sites
正解：D
質問 # 76
Refer to the exhibit.
An engineer is configuring a vSwitch policy in the existing Cisco ACI fabric. The requirement is for the Cisco ACI leaf to learn individual MAC addresses from the same physical port. Which vSwitch policy configuration mode must be enabled to meet this requirement?
- A. MAC binding
- B. MAC pinning
- C. LACP active
- D. LACP passive
正解：B
質問 # 77
Refer to the exhibit. What must be configured in the service graph to redirect HTTP traffic between the EPG client and EPG server to go through the Cisco ASA firewall?
- A. precise filter to allow only HTTP traffic
- B. contract with no filter
- C. contract filter to allow ARP and HTTP
- D. permit-all contract filter
正解：A
質問 # 78
Drag and Drop Question
Refer to the exhibit. Drag and drop the subnets and flags from the left into the External Network Instance Profile policies on the right to create a setup that advertises only 10.10.0.0/24 and
10.10.1.0/24 prefixes in VRF1 and establishes connectivity between VRFs. Not all options are used.
正解：
解説：
質問 # 79
Refer to the exhibit. Which three actions should be taken to implement the vPC in the Cisco ACI fabric? (Choose three.)
- A. Select individual interface profiles
- B. Select a common vPC interface policy group
- C. Select common interface profiles
- D. Select individual switch profiles
- E. Select common switch profiles
正解：A、B、D
質問 # 80
An engineer must migrate servers from a legacy data center infrastructure to a Cisco ACI fabric. Drag and drop the steps from the left into the order that they must be completed on the right to ensure the least amount of downtime.
正解：
解説：
質問 # 81
Which two components must be configured as stretched to establish intra-VRF communication between two EPGs that are deployed in different sites and different bridge domains? (Choose two.)
- A. contract
- B. bridge domain
- C. tenant
- D. application profile
- E. EPG
正解：B、E
解説：
Section: Advanced ACI Policies and Integrations
Explanation/Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric- infrastructure/white-paper-c11-739609.html
質問 # 82
An engineer configures a Cisco ACI Multi-Pod for disaster recovery. Which action should be taken for the new nodes to be discoverable by the existing Cisco APICs?
- A. Configure BGP as the underlay protocol in IPN.
- B. Enable DHCP relay on all links that are connected to Cisco ACI spines on IPN devices.
- C. Enable subinterfaces with dot1q tagging on all links between the IPN routers.
- D. Configure IGMPv3 on the interfaces of IPN routers that face the Cisco ACI spine.
正解：B
質問 # 83
What are two PBR characteristics of the Cisco ACI Active-Active Across Pods deployment mode in Cisco ACI Multi-Pod design? (Choose two.)
- A. Deployment occurs in go-to mode only.
- B. This mode causes the traffic to flow asymmetrically
- C. Traffic is dynamically redirected to the firewall that owns the connection.
- D. The connection state is unsynchronized.
- E. Deployment occurs in transparent mode.
正解：B、E
質問 # 84
Refer to the exhibit. An engineer must have communication between EPG1 in VRF1 and External EPG in VRF2. Which three actions should be taken for the defined subnets in the L3Out External EPG to accomplish this goal? (Choose three.)
- A. Enable Export Route Control Subnet
- B. Enable Shared Security Import Subnet
- C. Enable Import Route Control Subnet
- D. Enable External Subnets for External EPG
- E. Enable Shared Route Control Subnet
- F. Enable Aggregate Shared Routes
正解：B、D、E
解説：
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric- infrastructure/guide-c07-743150.html
質問 # 85
Refer to the exhibit. A company decided to decrease its routing footprint and remove RT-2 and RT-3 devices from its data center. Because of that, the exit point must be created from all the tenants by using the common tenant. Which two configuration tasks must be completed to meet these requirements? (Choose two.)
- A. Mark all subnets with flag Shared between VRFs and attach contract Ctr-3 as a provider to all the EPGs.
- B. Move subnets from all the bridge domains to the EPG level and mark them with flag Shared between VRFs.
- C. Change contract Ctr-3 scope to Global, consume it by all EPGs, and flag all subnets with flag Shared between VRFs.
- D. Export contract Ctr-2 into the tenant TN-1 and attach it as a consumer to all the EPGs in the tenant TN-1.
- E. Update the L3Out ExtEPG subnet in the common tenant with flag Shared Route Control Subnet and Aggregate Shared Routes.
正解：B、E
質問 # 86
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