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NO.1 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.
Answer: B
NO.2 Which option describes
what is included in the ACI VXLAN header with which all tenant traffic
within
the fabric is tagged?
A. Policy group (source group), forwarding group
(tenant, VRF, bridge domain), destination IP address
group, and source IP
address group.
B. Policygroup (source group) forwarding group (tenant, VRF,
bridge domain), load-balancing policy,
and telemetry policy.
C. Flow
mapping of endpoint groups to applications, Layers 3 external identifiers and
leaf association
of application profiles.
D. Destination IP address group
source IP address group, forwarding group, load-balancing policy
and
telemetry policy.
Answer: A
Explanation:
ACI Fabric decouples
the tenant endpoint address - its "identifier" - from the location of that
endpoint
, which is defined by its "locator," or VTEP address
Forwarding
within the fabric is between VTEPs (eVXLAN tunnel endpoints) and takes advantage
of an
extender VXLAN header format, referred to as the eVXLAN policy
header
The mapping of the internal tenant MAC or IP address to the location
is performed by the VTEP, using
a distributed mapping database VTEP VTEP VTEP
VTEP VTEP VTEP PayloadIPeVXLANVTEP APIC
Reference:
http://www.slideshare.net/CiscoPublicSector/cisco-live-local-high-level-aci
NO.3
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.
Answer: C,E
Explanation:
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 Tenant Networking
Private Networks and choose the OSPF timer policy
under drop-down menu "OSPFTimers"
Reference:
http://www.cisco.com/c/en/us/solutions/collateral/data-centervirtualization/application-
centric-infrastructure/white-paper-c07-732033.html
NO.4
What is the VXLAN source group field used for in an ACI fabric?
A. to
distribute bridge domain information in the fabric
B. to identity IP subnets
that are required for each application function
C. to identify- specific
endpoints for each application function
D. to enable VMM repotting of virtual
machine creation to the fabric
Answer: C
Explanation:
VXLAN Source
Group is used as a tag/label to identify the specific end point of each
application
function (EPG)
NO.5 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
Answer: C
NO.6 Which two statements
describe how an attachable entity profile policy enables
external
connectivity'? (Choose two.)
A. Associates internal VLAN pools to
internal domains.
B. Associates external domains to attachment points.
C.
Provides VLAN pool scope and maps external domains to leaf ports.
D. Provides
VLAN mapping to physical spine ports.
E. Associates external VLAN pools to
external VMM domains.
Answer: B,C
Explanation:
The ACI fabric provides
multiple attachment points that connect through leaf ports to
various
external entities such as baremetal servers, hypervisors, Layer 2
switches (for example, the Cisco UCS
fabric interconnect), and Layer 3
routers (for example Cisco Nexus 7000 Series switches). These
attachment
points can be physical ports, port channels, or a virtual port channel (vPC) on
the leaf
switches.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-
x/acifundamentals/b_ACI-Fundamentals/b_ACI_Fundamentals_BigBook_chapter_0111.html