Cisco CCNP Datacenter 300-620 DCACI Implementing Cisco
Application Centric Infrastructure Exam
ACI - ANSWER Application Centric Infrastructure
FEX - ANSWER Fabric Extender
Spine Node/Switch - ANSWER A Core Switch - Top of Topology
Leaf Node/Switch - ANSWER Access or Aggregation/Distribution Switch
Fabric - ANSWER Entire Physical or Logical Network
Service Graph / Service Insertion - ANSWER Allows for the Insertion of L4 <-> L7
functions/services.
HFT - ANSWER High Frequency Trading
CLOS - ANSWER "Fat Tree" - Multi-Stage Switching Tree; Invented by Edson Erwin in
1938 and formalized by the American engineer Charles Clos in 1952.
Hadoop - ANSWER Big Data framework featuring analysis capability, MapReduce,
distributed/shared filesystem.
RDMA - ANSWER Remote Direct Memory Access - technology that enables two
networked computers to exchange data in main memory without relying on the
CP/Processor, cache or operating system (OS)
,iWarp - ANSWER RDMA Protocol over Transmission Control Protocol (TCP) and Stream
Control Transmission Protocol (SCTP).
POD FlexPod - ANSWER NetApp Storage, Cisco UCS Servers, Cisco Nexus Switching
POD VBlock - ANSWER EMC Storage, Cisco UCS Servers, Cisco Nexus Switching
EoR - ANSWER End of Row (Cabling Topology)
MoR - ANSWER Middle of Row (Cabling Topology) - Variant of End of Row (EoR)
Top of Rack (Cabling/Switching Topology) - ANSWER ToR
ToR Oversubscription Ratio (Recommended) - ANSWER 48 Port switch, 8 Ports Uplink,
40 to Endpoints: 40:8 (5:1 - Five to One)
UCSD - ANSWER Cisco UCS Director (orchestration)
CIAC - ANSWER Cisco Intelligent Automation Cloud/Controller
TEP - ANSWER Tunnel EndPoint [ Mapping ]
VNID - ANSWER VXLAN Network ID
What are some factors that contribute to the complexity of managing [traditional]
networks? - ANSWER 1) Engineering expertise on staff required
2) Quantity of endpoint nodes
3) Correlation of information/management data across intermediate devices.
,How many bits used in a traditional 802.1Q frame format thus maximum number of VLAN
IDs - ANSWER 12 Bits. 2^12 = 4096, but two are reserved, so 4094 VLANs
Traditional firewalls have historically been used for securing traffic in which lateral
flow? - ANSWER North-South (External networks to VLAN inside DC)
EPG - ANSWER End Point Group (similar to Nexus 1000V "Port Profile")
APN - ANSWER Application Network Profile
AVÉ/AVS - ANSWER ACI Virtual Edge / ACI Virtual Switch
Technology used internally by ACI to Segment (Layer2) Traffic - ANSWER VXLAN (not
VLANs)
Solution for single point of orchestration for multiple ACI Fabrics. - ANSWER Multi-Side
Orchestrators (MSOs)
ACI Feature that allows running additional instances of control plane within a single ACI
physical fabric. - ANSWER ACI MultiPod
The ACI Fabric is extended to a remote location, traditional network. The Dark Fiber,
and ACI Spine Switches are too expensive. Which ACI feature to use? - ANSWER ACI
Remote Leaf
What is required for an ACI Multi-Pod IPN but is not required in a ACI Multi-Site ISN? -
ANSWER D) Multicast PIM-BiDir
What kind of [cabling] connection would ACI Block? - ANSWER A) Spine-to-Spine
cabling
A.1) APIC-to-Spine cabling
What would be a reason that could demand an ACI Multi-Site to use more advanced
SPINE switch hardware (multiple choice)? - ANSWER A) Ingress replication of BUM
, Traffic
C) Namespace normalization
What is "border leaf switch" described as? - ANSWER Border Leafe Switch provides
both Layer2 and Layer3 connectivity to outside networks / non-ACI devices.
CH#2/Q#6 Which is true statement (About APIC) ? - ANSWER (APIC) "Sharding" is the
result of evolution of what is called Horizonal Partitioning of the databases.
Which of the following models of SPINE SWITCHES support ACI Multi-Site? - ANSWER B)
Nexus 9K 9364C, 2nd Generation SPINE Switch, C) Nexus 9K 9736C-FX Line Card, 2nd
Generation SPINE Switch Line Card for Nexus 9K 9500 Series
What are valid reasons to migrate from SPINE switch Nexus 9336PQ to [second
generation] Nexus 9332C? - ANSWER A) Namespace normalization for ACI Multi-Site
support, C) Support for CloudSec
[True/False] The Nexus 93180YC-FX LEAF SWITCH supports MACSEC? - ANSWER True -
all the ports are 10gbps or Higher on switches ending in *FX
Which of the following LEAF SWITCH platform provides a low-cost connectivity server
CIMC/iLOMs which require RJ-45/Copper 100mbps/1gbps connectivity? - ANSWER
9348GC-FXP
- 1gbps Copper RJ-45 100/1gbps
- 48 Ports
- Ideal replacement/Substitute for legacy FEX/Fabric Extender
IaaS - ANSWER Infrastructure as a Service
SaaS - ANSWER Software as a Service
Application Centric Infrastructure Exam
ACI - ANSWER Application Centric Infrastructure
FEX - ANSWER Fabric Extender
Spine Node/Switch - ANSWER A Core Switch - Top of Topology
Leaf Node/Switch - ANSWER Access or Aggregation/Distribution Switch
Fabric - ANSWER Entire Physical or Logical Network
Service Graph / Service Insertion - ANSWER Allows for the Insertion of L4 <-> L7
functions/services.
HFT - ANSWER High Frequency Trading
CLOS - ANSWER "Fat Tree" - Multi-Stage Switching Tree; Invented by Edson Erwin in
1938 and formalized by the American engineer Charles Clos in 1952.
Hadoop - ANSWER Big Data framework featuring analysis capability, MapReduce,
distributed/shared filesystem.
RDMA - ANSWER Remote Direct Memory Access - technology that enables two
networked computers to exchange data in main memory without relying on the
CP/Processor, cache or operating system (OS)
,iWarp - ANSWER RDMA Protocol over Transmission Control Protocol (TCP) and Stream
Control Transmission Protocol (SCTP).
POD FlexPod - ANSWER NetApp Storage, Cisco UCS Servers, Cisco Nexus Switching
POD VBlock - ANSWER EMC Storage, Cisco UCS Servers, Cisco Nexus Switching
EoR - ANSWER End of Row (Cabling Topology)
MoR - ANSWER Middle of Row (Cabling Topology) - Variant of End of Row (EoR)
Top of Rack (Cabling/Switching Topology) - ANSWER ToR
ToR Oversubscription Ratio (Recommended) - ANSWER 48 Port switch, 8 Ports Uplink,
40 to Endpoints: 40:8 (5:1 - Five to One)
UCSD - ANSWER Cisco UCS Director (orchestration)
CIAC - ANSWER Cisco Intelligent Automation Cloud/Controller
TEP - ANSWER Tunnel EndPoint [ Mapping ]
VNID - ANSWER VXLAN Network ID
What are some factors that contribute to the complexity of managing [traditional]
networks? - ANSWER 1) Engineering expertise on staff required
2) Quantity of endpoint nodes
3) Correlation of information/management data across intermediate devices.
,How many bits used in a traditional 802.1Q frame format thus maximum number of VLAN
IDs - ANSWER 12 Bits. 2^12 = 4096, but two are reserved, so 4094 VLANs
Traditional firewalls have historically been used for securing traffic in which lateral
flow? - ANSWER North-South (External networks to VLAN inside DC)
EPG - ANSWER End Point Group (similar to Nexus 1000V "Port Profile")
APN - ANSWER Application Network Profile
AVÉ/AVS - ANSWER ACI Virtual Edge / ACI Virtual Switch
Technology used internally by ACI to Segment (Layer2) Traffic - ANSWER VXLAN (not
VLANs)
Solution for single point of orchestration for multiple ACI Fabrics. - ANSWER Multi-Side
Orchestrators (MSOs)
ACI Feature that allows running additional instances of control plane within a single ACI
physical fabric. - ANSWER ACI MultiPod
The ACI Fabric is extended to a remote location, traditional network. The Dark Fiber,
and ACI Spine Switches are too expensive. Which ACI feature to use? - ANSWER ACI
Remote Leaf
What is required for an ACI Multi-Pod IPN but is not required in a ACI Multi-Site ISN? -
ANSWER D) Multicast PIM-BiDir
What kind of [cabling] connection would ACI Block? - ANSWER A) Spine-to-Spine
cabling
A.1) APIC-to-Spine cabling
What would be a reason that could demand an ACI Multi-Site to use more advanced
SPINE switch hardware (multiple choice)? - ANSWER A) Ingress replication of BUM
, Traffic
C) Namespace normalization
What is "border leaf switch" described as? - ANSWER Border Leafe Switch provides
both Layer2 and Layer3 connectivity to outside networks / non-ACI devices.
CH#2/Q#6 Which is true statement (About APIC) ? - ANSWER (APIC) "Sharding" is the
result of evolution of what is called Horizonal Partitioning of the databases.
Which of the following models of SPINE SWITCHES support ACI Multi-Site? - ANSWER B)
Nexus 9K 9364C, 2nd Generation SPINE Switch, C) Nexus 9K 9736C-FX Line Card, 2nd
Generation SPINE Switch Line Card for Nexus 9K 9500 Series
What are valid reasons to migrate from SPINE switch Nexus 9336PQ to [second
generation] Nexus 9332C? - ANSWER A) Namespace normalization for ACI Multi-Site
support, C) Support for CloudSec
[True/False] The Nexus 93180YC-FX LEAF SWITCH supports MACSEC? - ANSWER True -
all the ports are 10gbps or Higher on switches ending in *FX
Which of the following LEAF SWITCH platform provides a low-cost connectivity server
CIMC/iLOMs which require RJ-45/Copper 100mbps/1gbps connectivity? - ANSWER
9348GC-FXP
- 1gbps Copper RJ-45 100/1gbps
- 48 Ports
- Ideal replacement/Substitute for legacy FEX/Fabric Extender
IaaS - ANSWER Infrastructure as a Service
SaaS - ANSWER Software as a Service
