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200-901 Sample Questions Answers

Questions 4

Drag and drop the descriptions from the left onto correct application deployment models on the right.

Options:

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Questions 5

Which model-driven programmability protocol does Cisco IOS XE Software support?

Options:

A.

CORBA

B.

SSH

C.

gNMI

D.

SOAP

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Questions 6

Which principle is a value from the manifesto for Agile software development?

Options:

A.

adhering to a plan over responding to requirements

B.

detailed documentation over working software

C.

processes and tools over teams and inter actions

D.

customer collaboration over contract negotiation

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Questions 7

Refer to the exhibit.

What is the result of executing this Ansible playbook?

Options:

A.

The playbook copies a new start-up configuration to CISCO_ROUTER_01.

B.

The playbook backs up the running configuration of CISCO_ROUTER_01.

C.

The playbook backs up the start-up configuration of C1SCO_ROUTER_01.

D.

The playbook copies a new running configuration to CISCO_ROUTER_01.

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Questions 8

Drag and drop the element of the Finesse API on the left onto the description of its functionally on the right.

Options:

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Questions 9

Which device is a system that monitors and controls incoming and outgoing network traffic based on predetermined security rules?

Options:

A.

Switch

B.

Router

C.

Firewall

D.

Load balancer

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Questions 10

Refer to the exhibit.

While developing a Cisco Webex bot, an application reaches the public IP address of the firewall, but traffic is forwarded to the IP address of server 1 instead of the IP address of server 2. What causes this issue?

Options:

A.

The proxy server that rewrites traffic is misconfigured.

B.

The router is sending the traffic to server 1 instead of server 2.

C.

The switch is forwarding IP traffic to the wrong VLAN.

D.

NAT is misconfigured on the firewall.

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Questions 11

Fill in the blanks to complete the cURL command that invokes a RESTful API to retrieve a resource in JSON format using OAuth.

Options:

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Questions 12

What is an example of a network interface hardware address?

Options:

A.

domain name

B.

IP address

C.

workstation name

D.

MAC address

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Questions 13

Refer to the exhibit.

Fill in the blanks to complete the cURL command to the list of networks in the Meraki organization with an id of 384279060

Options:

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Questions 14

A developer creates a new application, but the application must be tested before being released to a customer. When a mobile phone that uses 4G is used to access the application, the request fails. Why does the connection to the application fail?

Options:

A.

The application is hosted on premises and VPN connectivity is required

B.

The application must be added to the production server before testing.

C.

The application must be moved to the cloud before testing is possible.

D.

The application connectivity is limited to HTTPS protocol.

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Questions 15

Which technology is responsible for resolving a host name to an IP address?

Options:

A.

DNS

B.

SNMP

C.

DHCP

D.

NTP

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Questions 16

A developer is working on a feature for a new application. The changes in the existing branch named 'feat00304' must be integrated into a single commit with the current working primary branch named 'prodapp411926287'. Which git command must be used?

Options:

A.

git rebase --merge feat00304

B.

git merge --squash feat00304

C.

git push --rebase feat00304

D.

git checkout --squash feat00304

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Questions 17

Drag and Drop the GIT commands from the left onto the right that add modified local files to a remote repository. Not all options are used

Options:

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Questions 18

Which description of a default gateway if true?

Options:

A.

It is a device that receives IP packets that have no explicit next-hop in the routing table.

B.

It is a feature that translates between public and private addresses.

C.

It is a security feature that denies certain traffic.

D.

It is a device that receives Layer 2 frames with an unknown destination address.

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Questions 19

Which Cisco DevNet resource allows access to products in a development lab to explore, learn, and build application that use Cisco APLs?

Options:

A.

DevNet communities

B.

DevNet code Exchange

C.

DevNet Automation Exchange

D.

DevNet sandbox

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Questions 20

Refer to the exhibit.

The output of a unified diff when comparing two versions of a python script is shown. Which two “single_request _timeout ()”

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 21

A company has written a script that creates a log bundle from the Cisco DNA Center every day. The script runs without error and the bundles are produced. However, when the script is run during business hours, report poor voice quality of phones calls. What explains this behavior?

Options:

A.

The application is running in the Voice VLAN and causes delays and jitter in the subnet.

B.

The speed and duplex settings in Cisco DNA Center are sot incorrectly, which causes the transfer to be too slow.

C.

9 The script is written in a low-level programming language where there is no memory safety. This causes a buffer overflow and disruption on the network.

D.

Generating the logs causes the CPU on the network controller to spike, which causes delays m forwarding the voice IP packets.

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Questions 22

Which two concepts describe test-driven development? (Choose two.)

Options:

A.

It enables code refactoring.

B.

Write a test before writing code.

C.

Implementation is driven by incremental testing of release candidates.

D.

User acceptance testers development the test requirements.

E.

Tests are created when code is ready for release.

Questions 23

Users cannot access a webserver and after the traffic is captured, the capture too* shows an ICMP packet that reports "communication administratively prohibited" What Is the cause of this webserver access Issue?

Options:

A.

An access list along the path is blocking the traffic

B.

The traffic is not allowed to be translated with NAT and dropped.

C.

Users must authenticate on the webserver to access It

D.

A router along the path is overloaded and thus dropping traffic

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Questions 24

Refer to the exhibit.

What is the action of the Bash script that is shown?

Options:

A.

The script waits until input is entered. If the directory exists, the script goes into it until there is no directory with the same name, then it creates a new directory.

B.

The script goes into the directory called “$ndir” and makes a new directory called “$ndir”

C.

The script waits unit input is entered, then it goes into the directory entered and creates a new directory with the same name.

D.

For all directories in the current folder. The script goes into directory and makes a new directory.

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Questions 25

Refer to the exhibit.

An engineer sends the request to collect data over Cisco AMP for Endpoints API. The Engineer must list guide and hostname data for all computers, but the first request returns only 500 items out of 2,000. Then, the engineer adds the loop to collect all the data. What must be added to the script where the code is missing to complete the requests?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 26

Drag and drop the code from the bottom onto the box where the code is missing to obtain a list of network devices by using the Cisco Meraki API. Not all options are used.

Options:

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Questions 27

Refer to the exhibit. A script must output details of all the Cisco Meraki MS220-BP switches across all organizations and networks. Drag and drop the code snippets from the bottom onto the boxes in the code to complete the script. Not all options are used.

Options:

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Questions 28

Refer to the exhibit. Drag and drop the actions from the left that the contents of this Dockerfile accomplish onto the right. Not all options are used.

Options:

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Questions 29

Refer to the exhibit. Which action does the script perform?

Options:

A.

It queries user credentials from Cisco IOS XE devices.

B.

It retrieves device identification from Cisco DNA Center.

C.

It exports SSID information from Meraki dashboard.

D.

It collects group information from ACI.

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Questions 30

What is a capability of the AXL API?

Options:

A.

It signs a user in to a phone that is configured for extension mobility.

B.

It pulls logs for the Cisco Tomcat service.

C.

It authenticates users who exist in Cisco Unified Communications Manager.

D.

It provides support for HTTP and HTTPS communications.

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Questions 31

What is a characteristic of Waterfall compared to Agile software development method?

Options:

A.

Waterfall focuses on continuous improvement, and Agile focuses on the design phase.

B.

Waterfall separates the project development lifecycle into sprints, and Agile does not use cycles.

C.

Waterfall specifies requirements before development begins, and Agile responds flexibly to changes in requirements.

D.

Waterfall uses reviews with step by step approach, and Agile uses a serially phased approach.

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Questions 32

What is a benefit of using a code review process in application development?

Options:

A.

accelerates the deployment of new features in an existing application

B.

provides version control during code development

C.

enables the quick deployment of new code

D.

eliminates common mistakes during development

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Questions 33

Refer to the exhibit.

A developer just finished testing a Python script and wants to save the list of packages and versions installed on the current machine. The developer must make sure that it will not cause any issues if tested on another device due to different library versions. Which line of code needs to be placed on the snippet where the code is missing?

Options:

A.

pip freeze 2> requirements.txt

B.

pip freeze > requirements.txt

C.

pip freeze => requirements.txt

D.

pip freeze | requirements.txt

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Questions 34

Refer to the exhibit. Drag and drop the Dockerfile contents from the left onto the functions on the right that create a container image to run traceroute to track network path to specific targets. Not all options are used.

Options:

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Questions 35

Which network constraint causes the performance of the application to decrease as the number of users accessing the application increases?

Options:

A.

latency

B.

loss

C.

bandwidth

D.

jitter

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Questions 36

Refer to the exhibit. Drag and drop the code from the bottom onto the box where the code is missing to construct a request that generates a security token and gets a list of network devices. Not all options are used.

Options:

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Questions 37

Developer is working on a new feature and made changes on a branch named ‘branch-413667549a-new’. When merging the branch to production, conflicts occurred. Which Git command must the developer use to recreate the pre-merge state?

Options:

A.

git merge -no-edit

B.

git merge -commit

C.

git merge -revert

D.

git merge -abort

Questions 38

Drag and drop the code from the bottom onto the box where the code is missing to construct a Python script that calls a REST API request. The Python script retrieves a list of tasks from a to-do list for effective project management purposes. Not all options are used.

Options:

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Questions 39

Why is refactoring done during test-driven development?

Options:

A.

to enable larger objects and longer methods

B.

to improve maintainability and readability

C.

to ensure that the previous uses of the objects are explained

D.

to ensure the duplication of essential code

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Questions 40

What is the purpose of the first three pairs of digits in a MAC address?

Options:

A.

defines a routing identifier for the client

B.

indicates the IP address of the client in Hex

C.

defines packet forwarding priority sent or received by the adapter

D.

indicates vendor of the network card or adapter

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Questions 41

Which protocol runs over TCP port 22?

Options:

A.

SSH

B.

HTTP

C.

Telnet

D.

NETCONF

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Questions 42

Refer to the exhibit.

A developer needs to upload a local file by using the REST API. The developer gathers information according to the documentation and sends the request by using the cURL command in the exhibit but gets an error code. Which action should be followed to get valid response?

Options:

A.

change content type as JSON

B.

add the authorization header with the access token

C.

add a username-password combination to request command

D.

change request method as GET

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Questions 43

Refer to the exhibit.

Which infrastructure automation method is shown?

Options:

A.

Waterfall

B.

CI/CD pipeline

C.

Agile

D.

Lean

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Questions 44

How does a synchronous API request differ from an asynchronous API request?

Options:

A.

clients receive responses with a task id for further processing

B.

clients subscribe to a webhook for operation results

C.

clients are able to access the results immediately

D.

clients poll for the status of the execution of operations

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Questions 45

Which API must an engineer use to change a netmask on a Cisco IOS XE device?

Options:

A.

Meraki

B.

RESTCONF/YANG

C.

SD-WAN

D.

DNAC

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Questions 46

Drag and drop the types of management from the left onto the levels at which they are performed on the right.

Options:

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Questions 47

A file that already exists in a local repository is updated. Which command must be executed to ensure that the changes in the file are included in the next Git commit?

Options:

A.

git update

B.

git merge

C.

git add

D.

git rebase

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Questions 48

Which Cisco product provides malware and content filtering through DNS?

Options:

A.

Cisco ASA Firepower module

B.

Cisco AMP

C.

Cisco ISE

D.

Cisco Umbrella

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Questions 49

What are two benefits of model-driven programmability?

Options:

A.

model-driven APIs for abstraction and simplification

B.

single choice of transport, protocol, and encoding

C.

model-based, structured, and human friendly

D.

easier to design, deploy, and manage APIs

E.

models decoupled from transport, protocol, and encoding

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Questions 50

What is the function of an Ethernet switch in a networking environment?

Options:

A.

to switch a frame from one port to another port based on IP address

B.

to switch a frame from one port to another port based on MAC address

C.

to provide IP addressing to connected hosts

D.

to block unwanted traffic

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Questions 51

What is the purpose of a MAC address on a network device?

Options:

A.

unique network address that identifies the network interface of a device

B.

unique network interlace address that is provided by the DHCP server

C.

unique hardware address that identifies the network interface of a device

D.

unique hardware interface address that is provided by the central switch

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Questions 52

What are two benefits of using VLANs? (Choose two.)

Options:

A.

limits the devices that can join the network

B.

segments the broadcast domain

C.

extends the broadcast domain

D.

allows all network devices to be accessible from any host on the network

E.

enables the logical grouping of devices that belong to different Layer 2 devices

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Questions 53

What is a benefit of test-driven development?

Options:

A.

early customer involvement

B.

increased code quality

C.

faster releases that have minimal features

D.

strict adherence to product requirements

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Questions 54

Refer to the exhibit.

Which two files are being edited in the unified diff? (Choose two.)

Options:

A.

README.md

B.

setup.py

C.

axl.py

D.

ciscoaxl.py

E.

index.py

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Questions 55

Which application should be used to externally access all applications deployed in the same host machine with a single public IP address and port, when each application listens on different local ports?

Options:

A.

reverse proxy

B.

load balancer

C.

DNS

D.

firewall

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Questions 56

Refer to the exhibit.

A developer wants to create a room named cisco through Webex API. The developer prepares the request by putting an API token inside the authorization header; however, the given HTTP call returns error code 400. How must the call parameters be changed to ensure a valid response?

Options:

A.

Replace the team body parameter with the name body parameter.

B.

Replace cisco with a valid name for a team.

C.

Change the token in the header with the authorization token.

D.

Change the HTTP method of the call to PUT.

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Questions 57

What are two use cause where webhooks are effective? (Choose two.)

Options:

A.

Close a session with a web server after a specific amount of time.

B.

Filter out information from a response to an API call

C.

Change the response format or content type of an API call.

D.

Inform a previously defined chat channel after a deployment fate.

E.

Send an email to a customer of an online store after payment is complete

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Questions 58

Refer to the exhibit.

A Python script must delete all Cisco Catayst 9300 Series switches that have an uptime that is greater than 90 days The script must also query for the status of all the other devices Drag and drop the code from the bottom onto the bottom box the code is missing to complete the script Not at options are used

Options:

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Questions 59

Which tool provides a testing environment to run tests on network devices and perform network automation scenarios?

Options:

A.

Visual Studio Code

B.

Cisco VIRL

C.

pyATS

D.

Cisco Packet Tracer

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Questions 60

Which protocol is used for clock synchronization between network devices?

Options:

A.

FTP

B.

NNTP

C.

BGP

D.

NTP

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Exam Code: 200-901
Exam Name: DevNet Associate (DEVASC)
Last Update: Mar 23, 2024
Questions: 406
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