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Cisco CCNA Concepts & Theory > Automation and Programmability Q/A's > Flashcards

Automation and Programmability Q/A's Flashcards

1
Q

The Data Plane in SD-WAN operates on what plane where data is …?

A

Forwarding plane - transmitted though a device?

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2
Q

The Control Plane in SD-WAN is responsible for?

What happens in the control plane?

A

routing and forwarding data traffic

routing decisions

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3
Q

What is the management plane in SD-WAN responsible for?

A

monitoring of network devices

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4
Q

What is the name of the controller in the control plane?

A

Software Defined Network (SDN) Controller

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5
Q

The southbound API is used communicate between what?

A

SDN Controller and the switches and routers of the network

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6
Q

The northbound API is an interface used to communicate directly with?

A

From the SDN Controller to higher level components

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7
Q

What type of applications resides on the SDN application layer?

A

Business Applications

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8
Q

What does APIC stand for?

The APIC give access to what type of centralized switches managed in a data center environment?

A

Application Policy Infrastructure Controller

nexus switches

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9
Q

What does APIC-EM stand for?

APIC-EM gives centralized access to manage what three types of environments for enterprises?

A

Application Policy Infrastructure Controller - Enterprise Module

Campus (corporate area network), Branch (remote office sites) and WAN environments

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10
Q

What does Cisco DNA stand for?

Cisco DNA is a centralize dashboard that offers?

A

Cisco Digital Network Architecture

a command center for centralized network management

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11
Q

What is Intent-Based Networking (IBN)?

What does Intent-Based Networking (IBN) offer?

A

it’s a design based on desired outcomes

automation, management and network administration

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12
Q

What does Path Tracing allow you to perform in DNA Center?

A

queries to determine path of data traffic

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13
Q

SD-Access is based on what rather than physical location and IP address?

A

user identity

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14
Q

What is a brownfield network in SD-Access?

A

already exiting physical network

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15
Q

What is a greenfield network in SD-Access?

A

new network built from DNA Center from scratch

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16
Q

SD-WAN is responsible for automatically providing automation and the setup of WAN connectivity between?

A

sites

17
Q

What is the name of the controller where the control layer resides?

A

SDN Controller/Network Services

18
Q

What is the benefit of network programmability?

A

network automation

19
Q

What is GIT used for?

A

distributed version control and tracking changes in source code

20
Q

Data serialization converts structured data to?

What is the benefit of data serialization?

A

a standardized format

allows data to be transferred between different systems, applications and programming languages

21
Q

What does JSON stand for?

JSON is human-readable text for machines to parse and generate? True/False

A

Javascript Object Notation

True

22
Q

What are the 6 JSON Data Types and their purposes?

OB 
AR
ST
NU
BO
NU
A

Objects: unordered collection of key/value pairs

Array: ordered list of values

String: text objects inside quotes

Number: actual number

Boolean: indicates a true/false

Null: empty no value

23
Q

What does XML stand for?

How are XML object tags contained?

A

eXtensible markup language

by Key/Value

24
Q

What does API stand for?

What is an API used for?

A

Application Programming Interfaces

direct communication from/to computer programs

25
Q

What are the two main types of API’s that run over the internet for web services?

A

SOAP and REST

26
Q

What does CRUD stand for?

A

Create
Read (Retrive)
Update (Modify)
Delete (Destroy)

27
Q

What does REST stand for?

REST gives guidance for the structure and organization of a?

REST it a not a what?

A

Representational State Transfer

API

architecture not a protocol

28
Q

What does YANG stand for?

YANG is a data modeling language that represents what?

A

Yet Another Next Generation

operational and configuration of a network device

29
Q

NETCONF was designed as a replacement for what?

A

SNMP - Simple Network Management Protocol

30
Q

NETCONF and YANG inspect and modify the configuration of what type of devices?

A

network devices

31
Q

RESTCONF is a programmatic interface that has access to what four things?

A

configuration data, state data, Remote Procedure Call (RPC) operations and events

32
Q

What is an underlay network?

A

physical infrastructure

33
Q

What is an overlay network?

A

virtual network built on top of an underlying network

34
Q

What is a fabric network?

A

way in which network nodes connect and weave together in the network

Cisco CCNA Concepts & Theory (13 decks)

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