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300-630 by Cisco - Page 1 | ExamCademy

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Question 1

Question 2

Question 3

Question 4

Which protocol is used to exchange the MAC/IP address information for endpoints between spine switches in different pods in a Cisco Multi-Pod solution?

A BGP VPNv4
B MP-BGP EVPN
C IS-IS
D GRE

Question 5

Which mechanism is used by ACI spine switches to maintain a consistent copy of the endpoint address and location information?

A COOP
B ISIS
C BD
D OSPF

Question 6

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 leaf switch 101 and 102 in pod 1 directly to leaf switch 101 and 102 in pod 2.
C Connect spine switch 201 and 202 in pod 1 to ports on a device that is providing IP connectivity between pods.
D Connect leaf switch 101 and 102 in pod 1 to ports on a device that is providing IP connectivity between pods.

Question 7

What is a characteristic of application-centric design in Cisco ACI?

A One-to-one mapping between EPGs and bridge domains is enforced.
B A bridge domain has only one subnet.
C EPGs represent different application tiers.
D It simplifies gradual migration from a traditional network.

Question 8

A Cisco ACI fabric is configured with these settings:

• A single VRF exists that contains 100 EPGs.
• EPGs 1 to 50 must be permitted to communicate.
• EPGs 51 to 100 must NOT be allowed to communicate with EPGs 1 to 50.
• EPG 51 must be allowed to communicate with EPG 10

Which two actions must be taken to accomplish these requirements? (Choose two.)

A Create a vzAny contract
B Create a standard contract between EPG 51 and EPG 10.
C Select the Intra-EPG Isolation checkbox.
D Set policy control enforcement to Unenforced
E Enable the Preferred Group option on EPGs 1 to 50.

Question 9

An engineer configures Cisco ACI Multi-Site and must specify the control plane TEP IP for spines. Which statement describes control plane TEP IP in this situation?

A The unique IP address is defined on each spine node that belongs to a fabric and is used to establish MP-BGP EVPN and VPNv4 adjacencies with the spine nodes in remote sites.
B The unique IP address is defined on each spine node that belongs to a fabric and is used to establish VXLAN adjacencies with the spine nodes in remote sites.
C The common anycast address is shared by all the spine nodes in the same site and is used to perform headend replication for BUM traffic.
D The common anycast address is shared by all the spine nodes at the same site and is used to source and receive unicast VXLAN data plane traffic.

Question 10

Question 11

Which requirement applies to migration from Cisco NX-OS mode to Cisco ACI mode with Cisco Nexus 9000 Series Switches?

A Pre-existing vPC topology must be removed before the migration is started
B A permit-all contract must be used for traffic that flows inside the data center.
C Pre-existing FCoE must be removed from the Nexus devices.
D A minimum of five Cisco APIC appliances must be used in the data center network.

Question 12

What are two PBR characteristics of the Cisco ACI Active-Active Across Pods deployment mode in Cisco ACI Multi-Pod design? (Choose two.)

A Traffic is dynamically redirected to the firewall that owns the connection.
B This mode causes the traffic to flow asymmetrically
C Deployment occurs in go-to mode only.
D Deployment occurs in transparent mode.
E The connection state is unsynchronized.

Question 13

Question 14

A Cisco ACI fabric is connected to a switched network that runs Spanning Tree Protocol on VLAN 101. VLANs 101, 102, and 103 are mapped to bridge domain BD10123.
The leaf node that is attached to this switched network receives a spanning-tree topology change notification. Which endpoints does ACI flush?

A all endpoints associated with VLAN 102 or 103 in BD10123 on the spine node
B all endpoints associated with VLAN 101 in BD10123 on the leaf node
C all endpoints associated with VLAN 101, 102, and 103 in BD10123
D all endpoints associated with VLAN 101 in BD10123

Question 15

What is a characteristic of a stretched bridge domain solution between Cisco ACI sites with Layer 2 flood enabled?

A BUM traffic between sites leverages ISN multicast replication.
B The solution reduces control plane overhead.
C Spine head-end replication is used to forward BUM traffic between sites.
D Contracts are local to the provided site.

Question 16

Question 17

What is the purpose of enabling ARP flooding when VMs are migrated from a pre-existing network to Cisco ACI and their gateways remain configured in the legacy setup?

A to avoid endpoint flapping between the legacy network and the ACI fabric
B to prevent VMs from communicating with physical servers within the ACI fabric
C to allow communication between VMs and silent hosts
D to allow VMs to communicate with devices outside of their subnet

Question 18

Question 19

Question 20

The engineer notices frequent MAC and IP address moves between different leaf switch ports. Which action prevents this problem from occurring?

A Disable enforce subnet check.
B Disable IP bridge domain enforcement.
C Enable endpoint loop protection.
D Enable rogue endpoint control.

Question 21

Question 22

Which protocol must be applied between the inter-pod network and spines within each pod to allow broadcast traffic replication between Cisco ACI pods?

A MSDP Peering
B Multicast BGP
C Bidirectional PIM
D IGMP Registration

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Refer to the exhibit. How is the ARP request from VM1 forwarded when VM2 is not learned in the Cisco ACI fabric?

A Leaf 101 forwards the ARP request to one of the proxy VTEP spines.
B POD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location.
C Leaf 101 encapsulates the ARP request into a multicast packet that is destined to 225.0.37.192.
D Leaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table.

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

Refer to the exhibit. The requirement is to prefer the local PBR node and redirect the traffic to the remote pod PBR node in the case of catastrophic node failure. Which configuration meets these requirements?

A location-based PBR host route advertisement resilient hashing
B symmetric PBR location-based PBR resilient hashing
C symmetric PBR unidirectional PBR resilient hashing
D location-based PBR host route advertisement node tracking

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 Clear remote MAC entries.
B Set L2 Unknown Unicast to Proxy.
C Activate IP Data Plane Learning,
D Enable GARP EP Move Detection.

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 pinning
B MAC binding
C LACP passive
D LACP active

Refer to the exhibit. The external subnet and internal EPG1 must communicate with each other, and the L3Out traffic must leak into the VRF named “VF1”. Which configuration set accomplishes these goals?

A External Subnets for External EPG Import Route Control Subnet - Shared Route Control Subnet
B External Subnets for External EPG Shared Route Control Subnet - Shared Security Import Subnet
C Export Route Control Subnet - Shared Security Import Subnet - Aggregate Shared Routes
D Export Route Control Subnet - Import Route Control Subnet - Aggregate Shared Routes

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 Move subnets from all the bridge domains to the EPG level and mark them with flag Shared between VRFs.
B Change contract Ctr-3 scope to Global, consume it by all EPGs, and flag all subnets with flag Shared between VRFs.
C Update the L3Out ExtEPG subnet in the common tenant with flag Shared Route Control Subnet and Aggregate Shared Routes.
D Mark all subnets with flag Shared between VRFs and attach contract Ctr-3 as a provider to all the EPGs.
E Export contract Ctr-2 into the tenant TN-1 and attach it as a consumer to all the EPGs in the tenant TN-1.

Refer to the exhibit. Which configuration set must be applied to filter 1 to enable SSH communication between Web_EPG to App_EPG?

A Apply Both Directions: Disabled - Reverse Filter Ports: Enabled
B Apply Both Directions: Enabled - Reverse Filter Ports: Enabled
C Apply Both Directions: Disabled - Reverse Filter Ports: Disabled
D Apply Both Directions: Enabled - Reverse Filter Ports: Disabled

Refer to the exhibit. Which type of design approach is shown?

A traditional VLAN/subnet model
B edge-core-edge model
C application-centric
D network-centric