Test-king Cisco Application Centric Infrastructure for Field Engineers Exam. Version

Transcription

1 Test-king Number: Passing Score: 800 Time Limit: 120 min File Version: Cisco Application Centric Infrastructure for Field Engineers Exam Version 14.0

2 Exam A QUESTION 1 How are VLAN tags used in an ACI fabric? A. To group traffic in Layer 3 IP subnet. B. To group traffic, in Layer 2 broadcast domains. C. Only for traffic classification. D. Only for reporting purposes. QUESTION 2 Which two configurations must be used when configuring the ACI fabric for OSPF? (Choose two). A. There must be one OSPFv2 adjacency per tenant. B. The ACI fabric must be configured in Area 0. C. The ACI fabric must be configured as a stub network. D. The ACI fabric must be configured as a transit network. E. The OSPF times for the fabric must match the private network. E : ACI fabric is designed to be a stub network with current software version. User needs to keep in mind that these parameters are configurable, and applicable on a per- private network (orvrf) basis. To apply the configured OSPF timer policy as shown in Figure 11 go to the menu TenantàNetworkingà Private Networks and choose the OSPF timer policy under drop-down menu "OSPFTimers" Reference: virtualization/application-centricinfrastructure/white-paper-c html QUESTION 3 To which layer of the OSI model would the ACI concepts of EGP, BD, policy groups (VPC, PC, interfaces), and encapsulation (VLAN, VXLAN, NVGRE) map? A. Session B. Application C. Presentation D. Transport E. Network F. Data link G. physical

3 QUESTION 4 How are endpoint location and identity mapping learned in an ACI fabric? A. Leaf nodes report endpoint addresses to the ARC using COOP. B. Learning occurs through APIC mapping, VMM mapping, DHCP forwarding, ARP/GARP learning, and data plane learning. C. VMM reports virtual machine creation to spine and leaf nodes. D. Addresses of all hosts that are attached to the ACI fabric are programmed through the API. : VMM programs (location, identity) mapping QUESTION 5 To which four layers of the OSI model would the ACI concepts graphs and ANPs be associated? (Choose four.) A. Data link B. Transport C. Presentation D. Application E. Session F. Network G. Physical DFG QUESTION 6 Which logical separator is applied to traffic administration visibility and other operational aspects of the ACI fabric? A. endpoint group B. application network policy C. Layer 2 through Layer 7 network policies of the application. D. Tenant E. contract Correct Answer: D : Tenant - Logical separator for: Customer, BU, group etc. separates traffic, admin, visibility,

4 etc. Reference: ACI_Slovenija.pdf QUESTION 7 To which layer of the OSI model would the ACI concepts of policy, AEP and physical and VMM domains? A. Physical B. Data link C. Network D. Transport E. Presentation F. Application G. session : An override policy at AEP can be used to specify a different physical interface policy for a VMM domain. This policy is useful in scenarios where a hypervisor is connected to the leaf switch through an intermediate Layer 2 node, and a different policy is desired at the leaf switch and hypervisor physical ports. For example, you can configure LACP between a leaf switch and a Layer 2 node. At the same time, you can disable LACP between the hypervisor and the Layer 2 switch by disabling LACP under the AEP override policy. The layer 2 is Data link layer Reference: fundamentals/ b_aci-fundamentals/b_aci_fundamentals_bigbook_chapter_0111.html QUESTION 8 Which two options describe functions of the Council of Oracles Protocol? (Choose two.) A. COOP updates the addresses of all hosts that are attached to the ACI fabric. B. COOP enables APIC mapping, VMM mapping DHCP forwarding ARP/GARP learning and data plane learning. C. COOP ensures all spine nodes maintain a consistent copy of endpoint addresses. D. COOP maintains the distributed hash table repository of endpoint identity-to-location mappings. B QUESTION 9 Where in the APIC GUI are local users created? A. Admin >AAA B. Tenant>Tenant Name C. System >Users D. Fabric > Access Policies

5 : On the menu bar, choose ADMIN > AAA. Reference: started/ b_apic_getting_started_guide/b_apic_getting_started_guide_chapter_01.html QUESTION 10 ACI fabric supports discovery, boot, inventory, and system maintenance processes using which components? A. Spine nodes B. Leaf nodes C. APICs D. ACI APIs : Cisco ACI fabric supports discovery, boot, inventory, and systems maintenance processes through Cisco APIC Reference: QUESTION 11 In an application-centric infrastructure which four aspects of the solution must be configured to support an application? (Choose four) A. The relationship between endpoints and their policies. B. Data center-specific configuration of the infrastructure. C. The endpoints of the application. D. The layer 2 through layer 7 network policies of the application. E. A virtual machine or server F. Establishes forwarding paths in the ACI fabric. BDF QUESTION 12 Which option describes the initial configuration steps that the tenant administrator must perform in the ACI fabric? A. Create bridge domain associate bridge domain with logical ports create endpoint groups and associate EPGs to logical domain and to private network (routing instance). B. Create bridge domain associate with physical domain create endpoint groups and associate EPGs to bridge domain and to private network (routing instance). C. Create logical domain associate logical domain with physical ports create endpoints groups and associate EPGs to logical domain and to private network (routing instance). D. Fabric discovery and initialization create VLAN pool (static) create physical domain and map physical domain to ports.

6 QUESTION 13 What is an application network profile in application-centric infrastructure? A. UCS Manager Concept for accelerated network configuration. B. State full definition of application requirements. C. Stateless definition of application requirements. D. Application network requirements dependent upon infrastructure. E. Data-center-specific configuration of infrastructure. Correct Answer: D QUESTION 14 Which option lists the endpoint groups that are supported in an ACI fabric? A. Bridge domain, VTEPs, IP subnets, virtual ports, and physical ports. B. Bridge domain, VMM, virtual ports, VXLAN, and NVGRE. C. VLANs, IP subnets, physical ports, VXLAN, and NVGRE. D. VLANs, virtual ports, physical ports, VXLAN. and NVGRE. QUESTION 15 Which logical representation of policies between endpoint groups in application-centric infrastructure is provided by one EPG and consumed by another? A. VLAN B. private network (Layer 3) C. endpoint group D. tenant E. contract : EPGs are a collection of similar endpoints representing an application tier or set of services. They provide a logical grouping of objects that require similar policy. For example, an EPG could be the group of components that make up an application's web tier. Endpoints are defined using the network interface card (NIC), virtual NIC (vnic), IP address, or Domain Name System (DNS) name, with extensibility to support future methods of identifying application components Reference: paper-c11-

7 729906_ns1261_Networking_Solutions_White_Paper.html QUESTION 16 To which layer of the OSI model would the ACI concepts of BD (SVI) and private network (VRF lite) map? A. Physic B. data link C. network D. transport E. session F. presentation G. application QUESTION 17 Which aspect of the fabric defines the communication between endpoint groups? A. Contracts B. Endpoint groups C. Application network profiles D. Bridge domains : ACI Application Network Profiles are the grouping of one or more EPGs and the policies that define how they communicate. Reference: virtualization/application-centricinfrastructure/white-paper-c html QUESTION 18 Which ACI fabric concept is used to reduce the of policy tables in ACI fabrics? A. bridge domains B. endpoint groups C. application network profiles D. spine and leaf topology QUESTION 19 Which protocols are used to resolve hypervisor-to-leaf node attachment in an ACI fabric?

8 A. COOP or OpFlex B. LLDP or COOP C. LLDP or OpFlex D. LACP or OpFlex : LLDP or OpFlex permissions are used to resolve the hypervisor to leaf node attachments. Reference: fundamentals/ b_aci-fundamentals/b_aci_fundamentals_bigbook_chapter_0111.html QUESTION 20 Which best practice for virtual machine management domains must be used in an ACI fabric? A. Combine the endpoint groups that are associated with the VMM domains. B. Combine the application network profiles that are used by both VMM domains. C. Separate the VMM administration space across different leaf nodes. D. Separate the VLAN namespace when VMM domains share a top-of-rack switch. QUESTION 21 Which two options describe information that is included in the VXLAN VND to identify forwarding information between the ingress nodes? (Choose two) A. APIC that set the VXLAN VNID. B. Egress node that set the VXLAN VND. C. VRF context to which the packet belongs. D. EPG from which the frame is sourced and the bridge domain to which this packet is forwarded. E. List of spine and leaf nodes through which the packet flow. C QUESTION 22 Which protocol is used in the ACI fabric for topology discovery?

9 A. Equal-cost multipath B. Link layer discovery protocol C. Cisco discovery protocol D. Link aggregation control protocol : The APIC startup topology auto discovery, automated configuration, and infrastructure addressing uses these industry-standard protocols: Intermediate System-to- Intermediate System (IS-IS), Link Layer Discovery Protocol (LLDP), and Dynamic Host Configuration Protocol (DHCP). Reference: fundamentals/ b_aci-fundamentals/b_aci-fundamentals_chapter_ pdf QUESTION 23 Which routing protocols are supported in the ACI fabric for layer 3connectivity external to the fabric? A. IBGP and IS-IS B. IBGP and OSPFv2 C. OSPFV2 and EIGRP D. RIP and OSPFv2 QUESTION 24 What is the maximum number of configurable vpc links in an ACI fabric? A. 16 B. 8 C. 4 D. 2 QUESTION 25 Where in the APIC GUI are Layer 2 and Layer 3 network created? A. VM Networking > inventory B. Fabric > Access policies C. VM networking > policies D. Tenants >Tenant_Name

10 : On the menu bar, choose FABRIC > Access Policies. Reference: x/mapping/ mapping_gd/layer2_examples.html QUESTION 26 What are the four aspects of an endpoint group contract? A. subject, filter, action, ports B. subject action, path, label C. subject, filter, action, label D. subject, filter, path, action QUESTION 27 What is the primary role of an application-centric infrastructure? A. Data-center-specific configuration of infrastructure. B. Groups network endpoints into logical categories. C. Establishes multiple forwarding paths in the ACI fabric. D. Forwards packets in the ACI fabric. E. Defines the data center network topology requirements. QUESTION 28 Where in the APIC GUI is VMM domain created? A. VM networking > inventory B. Fabric > Access policies C. Tenants> Common D. VM networking > policies Correct Answer: D : In the APIC GUI click on VM Networking and select the Policies sub-ta Reference: articles/general/cisco-aciconfiguring-vmware-integration-apic.html QUESTION 29 What is required to deploy a VLAN pool on leaf switch? A. An attachable entity profile B. An application network profile

11 C. An endpoint group D. A virtual routing and forwarding instance : An AEP is required to deploy any VLAN pools on the leaf switches. It is possible to reuse the encapsulation pools (for example, VLAN) across different leaf switches. An AEP implicitly provides the scope of the VLAN pool (associated to the domain) to the physical infrastructure. Reference: fundamentals/ b_aci-fundamentals/b_aci_fundamentals_bigbook_chapter_0111.html QUESTION 30 In an ACI fabric what is equivalent to a VRF that separates routing instances and can be used for administrative separation? A. Private network (Layer 3) B. Layer 2 through layer 7 network policies of the application C. Endpoint group D. Tenant E. contract : Private-L3 - Equivalent to a VRF, separates routing instances, can be used as an admin separation Reference: ACI_Slovenija.pdf QUESTION 31 During ACI fabric initialization, both spine and leaf nodes request which configurations from the APIC cluster? A. boot files and fabric name B. tunnel endpoint addresses and boot files C. tunnel endpoint addresses and fabric name D. appliance vector and DCHP address QUESTION 32 Which in an ACI fabric can configure vpcs? A. Tenant administrator B. Server administer C. Network administrator D. Infrastructure administrator

12 Correct Answer: D : In ACI, the logic to define a virtual Port-Channel is as follows: The infrastructure administrator creates the VPC domain from the "Access Policies" as "protection" policy (i.e. which "nodes" are part of a vpc domain) The infrastructure administrator defines the "Access Policy Group" "Bundle Interfaces" where one creates the specific vpc channel-group configuration The interface policy defines a list of interfaces that are associated with the vpc channel- group but it doesn't specify which leafs this is associated with The switch policy defines a list of "nodes" nodes whose interfaces selected by the interface policy are defined as part of the vpc QUESTION 33 Which application- centric infrastructure container is used for IP subnets and can be used to define a Layer 2 boundary? A. bridge domain B. tenant C. endpoint group D. VLAN E. Private network (layer 3) : A bridge domain is a construct used to define a Layer 2 boundary within the fabric. A bridge domain can be viewed as somewhat similar to regular VLANs in a traditional switching environment. 1. Specify a bridge domain in the private network. 2. Specify the bridge domain name in the Name field (BD1). 3. Click the + sign next to Subnets to add a public subnet ( /24) to associate with BD1. This public subnet will advertise to ISP1 QUESTION 34 Where in the APIC GUI are device packages imported? A. Fabric > Access Politic B. VM Networking > Policies C. L4-L7 Services > Inventory D. L4-L7 Services>Ps

13 Reference: L7_Services_Deployment/guide/b_L4L7_Deploy_ver102x/b_L4L7_Deploy_ver102x_chapter_ html