Network Automation CCNA EXAM WITH
CORRECT ANSWERS
Data Plane - CORRECT ANSWERS ✔✔Traffic which is forwarded through the
device. This is the normal user traffic forwarded by the device such as web browsing
or email packets. Cannot be centralized.
Control Plane - CORRECT ANSWERS ✔✔Makes decisions about how to forward
traffic. Packets such as routing protocol or spanning tree updates are destined to or
locally originated on the device itself. Is often centralized.
Management Plane - CORRECT ANSWERS ✔✔The device is configured and
monitored in the management plane. Ex: At the CLI through SSH, via a GUI using
HTTPS, or via SNMP or an API.
Application Programming Interface - CORRECT ANSWERS ✔✔API
Controller talks to network devices, usually a specialised API, using a... - CORRECT
ANSWERS ✔✔southbound interface
Examples of SBIs - CORRECT ANSWERS ✔✔OpenPK, OpenFflow, OpFlex,
NETCONF, RESTCONF
Examples of NBIs - CORRECT ANSWERS ✔✔REST (JSON with HTTP), OSGi
(Open Society Gateway initiative ) (Java-Based)
, IBN - CORRECT ANSWERS ✔✔Intent Based Networking
Spine and leaf topology - CORRECT ANSWERS ✔✔All spine switches connect to all
leaf switches, but no spine switch can connect to another spine switch and no leaf
switch can connect to another leaf switch.
Application Policy Infrastructure Controller - CORRECT ANSWERS ✔✔APIC;
pushes policies via OpFlex SBI to network devices that implement them.
Underlay - CORRECT ANSWERS ✔✔All the network devices, cables and wireless
links. Encapsulated by layer 2 frames in layer 4 UDP datagrams via VXLAN tunnels.
Overlay - CORRECT ANSWERS ✔✔Logical network where communication between
endpoints happen.
SDA Border nodes - CORRECT ANSWERS ✔✔Switches that connect to endpoints
beyond SDA's control, usually WAN routers.
Cisco DNA Center - CORRECT ANSWERS ✔✔Serves as the controller for the
network. In greenfield deployments, can control underlay and overlay. In existing
infrastructure, must limit itself to overlay. Uses REST API for its NBI and a
combination of SSH/Telnet (legacy devices) and RESTCONF/NETCONF (newer,
SDA devices).
SDA Edge Nodes - CORRECT ANSWERS ✔✔Layer 3 switches that replace
traditional access switches and used by endpoint devices as default gateways, making
FHRP redundant.
CORRECT ANSWERS
Data Plane - CORRECT ANSWERS ✔✔Traffic which is forwarded through the
device. This is the normal user traffic forwarded by the device such as web browsing
or email packets. Cannot be centralized.
Control Plane - CORRECT ANSWERS ✔✔Makes decisions about how to forward
traffic. Packets such as routing protocol or spanning tree updates are destined to or
locally originated on the device itself. Is often centralized.
Management Plane - CORRECT ANSWERS ✔✔The device is configured and
monitored in the management plane. Ex: At the CLI through SSH, via a GUI using
HTTPS, or via SNMP or an API.
Application Programming Interface - CORRECT ANSWERS ✔✔API
Controller talks to network devices, usually a specialised API, using a... - CORRECT
ANSWERS ✔✔southbound interface
Examples of SBIs - CORRECT ANSWERS ✔✔OpenPK, OpenFflow, OpFlex,
NETCONF, RESTCONF
Examples of NBIs - CORRECT ANSWERS ✔✔REST (JSON with HTTP), OSGi
(Open Society Gateway initiative ) (Java-Based)
, IBN - CORRECT ANSWERS ✔✔Intent Based Networking
Spine and leaf topology - CORRECT ANSWERS ✔✔All spine switches connect to all
leaf switches, but no spine switch can connect to another spine switch and no leaf
switch can connect to another leaf switch.
Application Policy Infrastructure Controller - CORRECT ANSWERS ✔✔APIC;
pushes policies via OpFlex SBI to network devices that implement them.
Underlay - CORRECT ANSWERS ✔✔All the network devices, cables and wireless
links. Encapsulated by layer 2 frames in layer 4 UDP datagrams via VXLAN tunnels.
Overlay - CORRECT ANSWERS ✔✔Logical network where communication between
endpoints happen.
SDA Border nodes - CORRECT ANSWERS ✔✔Switches that connect to endpoints
beyond SDA's control, usually WAN routers.
Cisco DNA Center - CORRECT ANSWERS ✔✔Serves as the controller for the
network. In greenfield deployments, can control underlay and overlay. In existing
infrastructure, must limit itself to overlay. Uses REST API for its NBI and a
combination of SSH/Telnet (legacy devices) and RESTCONF/NETCONF (newer,
SDA devices).
SDA Edge Nodes - CORRECT ANSWERS ✔✔Layer 3 switches that replace
traditional access switches and used by endpoint devices as default gateways, making
FHRP redundant.
