NetworkersHome Cisco DEVASC 200-901 Practice Test 1 (Sumeet)

Match HTTP methods and their meaning

A PUT

B DELETE

C PATCH

1 Resource is replaced.

2 Resource is partially modified.

3 Resource is removed.

Choose benefits of managing network configuration via APIs (Choose two.)

increased scalability and consistency of network changes

more security due to locking out manual device configuration

reduction in network changes performed manually

configuration on devices less complex

eliminates the need of legacy management protocols like SNMP

Choose concepts that define test-driven development (Choose two.)

Implementation is driven by incremental testing of release candidates.

Write a test before writing code.

Tests are created when code is ready for release.

User acceptance tester development the test requirements.

It enables code refactoring.

Choose the first step while developing in a test-driven development iteration

Write tests that fail.

Improve code quality.

Write tests that pass

Implementation code to be tested

Choose the way to handle proxies while using HTTP authentication

Use special proxy header

use HTTPS instead

not use proxies when using authenticated requests

ignore the proxies

Choose the variables that are populated when you publish a Postman Collection

Initial values that are defined in the narrowest scope.

current values that are defined in the narrowest scope

initial values that are defined in the broadest scope.

current values that are defined in the broadest scope

Choose the difference between a network firewall and a web application firewall

WAF operates only on Layer 3

firewall operates on Layers 3 to 7

firewall can prevent SQL injection and DDoS attacks

WAF operates only on Layers 3 to 7

Choose the correct option that the network ID portion of the IPv4 address

It identifies the interface of the router.

It identifies the network of which the host is a part.

It is assigned by organisation to individual devices.

It identifies the individual host.

Choose the correct statement that describes the advantage of using functions in programming

They allow problems to be split into simpler, smaller groups, and reduce code repetition, which the code easier to read.

They create the implementation of secret and encrypted algorithms

They store mutable values within a script 01 application.

They ensure that a developer understands the inner logic contained before using then as part of a script or application.

Choose the operation that is performed with YANG model-driven programmability in NX-OS

configure a device with native and OpenConfig- based models

run Linex commands natively on the device.

bootstrap a device that has a factory- default configuration

send CLI commands to a device and retrieve output in JSON formate

Choose the process that you perform code review while you are using Git version control

committing code

branching code

checkout of code

merge of code

Choose the correct statement that displays the format which is used in HTTP authentication requests

Authorization: < auth_type> <credentials>

Cookies: HTTP-Authentication=

WWW-Authenticate: < auth_type>

Cookie: HTTP -Authorization=

WWW-Authenticate: < auth_type>

Match the correct statement with the term

A Control Plane

B Management Plane

C Data Plane

1 BGP destined to the router

2 handles configuration change protocols to the router

3 deals with forwarding decisions

Choose the need for the refactor step that is required in test-driven development

to make tests pass

too improve code quality

to make tests fail at first

to implement desired functionality

Choose the destination to ping if you wanted to check the connectivity to the local network and verify first-hop connectivity.

Local host

default gateway

loopback address

remote server

Choose descriptions that can be given to an application that is interacting with a webhook (Choose two.)

A Firewall

B Load Balancer

C Router

1 uses traffic inspection to route packets

2 blocks network traffic according to configured rules

3 ports are not in the same broadcast domain by default

Match each device with its purpose

Choose the command that should be used to update your working directory and test other developers code with yours

git reset

git pull

git clone

git fetch

Choose two statements which describe the role of an artifact repository in a CI/CD pipeline. (Choose two)

It provides traceability, search, and management of binary files

It is needed only for managing open source software.

It allows to compare and merge changes in the source code of files involved in a build process.

It is needed only for CI/CD pipeline executed on a public aloud infrastructure.

It stores files needed and generated during the build process

Choose the optimal combination of coupling and cohesion

strong cohesion tight coupling

strong cohesion loose coupling

Low cohesion tight coupling

low cohesion loose coupling

Choose the reasons you should split the network into separate client and server subnets if the network has 60 clients and 4 servers (Choose two)

Subnets will split domains to limit failures

A router will limit the traffic types between the clients and servers.

Internet access to the servers will be denied on the router.

Subnet provide more IP address space for client and servers

A router will bridge the traffic between clients and server

Choose the expression that checks if the script returns a success status code or not when the Requests library is used

response.status_code ! == request.codes.ok

response.status_code==request.ok

response .code== request.codes.ok

response.status_code==requests.codes.ok

Choose correct elements for the foundational principles of DevOps (Choose two.)

orgonization cross-functional teams over organizational slios

automating over documenting

encouraging containers for the deployment of application

designing application as micro services

Choose correct functionalities that Postman offers (Choose two.)

Choose Cisco resource that gives the user the ability to chat with an expert about APIs

DevNet Learning Labs

DevNet API information

DevNet Support

DevNet SAndbox

response=requests.request(............Option1...........), url, headers=..........Option2............ , data=..............Option3..........)

From the above code excerpt that tries to retrieve the list of devices on DNA Center via the API you wrote, choose the necessary code parts that will go to the numbered blank spaces.

1) PUT

2) headers

3) content

1) GET

2) header

3) content

1) GET

2) header

3) payload

1) PUT

2) header

3) content

Choose true statements that describe the traits of an asynchronous API call (Choose two.)

The end user an experience latency or performing lag while waiting for the API call to return

The order in which API calls return can be guaranteed

A call to an API doe not block the code, but rather it allows application processing to continue.

code execution block or waits for the call to an API to return.

A callback function typically is used to process the response from an API call

Choose the benefit of a version control system such as Git

prevents over- writing code or configuration files

facilitates resolving conflicts when merging code

ensure that unit tests are written

forces the practice of trunk-based development

Chooe the Python XML parsing library that produces dictionary objects most similar to the built-in JSON parser

untangle

xmltodict

miniDOM

ElimentTree

Choose the system that monitors and controls incoming and outgoing network traffic based on predetermined security rules

Firewll

Switch

Router

Load balancer

Choose the definition of edge computing

It is centralized network architecture that keeps cumputing, storage, communication, and control function in a single data center

It is a distributed network architecture that allows you to transfer your compute, storage, communication, control, and decision making closer to the network core

It is a distributed network architecture that allows you to transfer your compute, storage, communication, control, and decision making closer to the network edge

It is centralized network architecture that allows you to transfer you computing, storage, communication, control, and decision making closer to the network edge.

Choose the correct options to complete the following statement

Given a username of "u23r" and a password of "Adm1n23", applications must create a base64 encoding of the string ".....Option1 ....." when sending HTTP requests to an API that uses .......Option2.......... authentication.

1) username:Adm 1n23

2) Basic

1) username:u23r/password:Adm1n23

2) Basic

1) u23:Adm1n23

2)Advance

1) u23:Adm1n23

2) Basic

Choose true statements about Cisco UCS manager, Cisco Intersight APIs (Choose two.)

UCS manager API interactions are XML-encoded and required a cookies in the method for authentication

UCS manager uses JSON to encode API interactions and utilizes basse64-encoded credential in HTTP header for Authentication .

Cisco inter-sight API interactions can be encoded in XML or JSON and require an APIs key in the HTTP header for authentication

USE Director API interactions can be XML - or JSON- encoded and require an APLs key in the HTTP header for authentication.

Cisco intersight uses XML to encoded API interactions and require an API key pair for authentication.

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NetworkersHome Cisco DEVASC 200-901 Practice Test 1 (Sumeet)