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Latest Cisco Certified DevNet Associate 200-901 Actual Free Exam Questions
Cisco 200-901 Exam: Target Audience
The 200-901 certification exam is suitable for the entry-level developers who want to launch their career in the industry and the experienced network engineers who are seeking to improve their expertise and add software and automation to their skill set.
NEW QUESTION # 186
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 ()"
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: A,D
NEW QUESTION # 187
Which type of threat occur when an attacker can send hostile data to an interpreter within an application?
- A. Sensitive data exposure
- B. Injection
- C. Cross-site scripting
- D. Broken authentication
Answer: B
Explanation:
Injection attacks occur when untrusted data is sent to an interpreter as part of a command or query. The attacker's hostile data can trick the interpreter into executing unintended commands or accessing data without proper authorization. Common types of injection attacks include SQL injection, command injection, and LDAP injection. These types of attacks exploit vulnerabilities in how an application processes input data, allowing attackers to inject malicious commands or queries into the system.
Reference:
Cisco DevNet Associate Certification Guide: Chapter on Security, specifically on common web application vulnerabilities.
OWASP (Open Web Application Security Project) Top Ten Web Application Security Risks: Injection.
NEW QUESTION # 188
Drag and drop the requests from the left into the correct order on the right to create and check the path trace between two devices using Cisco DNA center API.
Answer:
Explanation:
NEW QUESTION # 189
Fill in the blanks to complete the cURL command that invokes a RESTful API to retrieve a resource in JSON format using OAuth.
Answer:
Explanation:
GET, Accept, Authorization
Explanation
See the solution below.
NEW QUESTION # 190
What occurs to frames during the process of frame flooding?
- A. Frames are sent to every port on the switch in the same VLAN.
- B. Frames are sent to all ports, including those that are assigned to other VLANs.
- C. Frames are sent to every port on the switch in the same VLAN except from the originating port.
- D. Frames are sent to every port on the switch that has a matching entry in MAC address table.
Answer: C
Explanation:
Section: Network Fundamentals
NEW QUESTION # 191
Which traffic is handled on the control plane?
- A. NTP
- B. BGP
- C. SMB
- D. NETCONF
Answer: B
Explanation:
The control plane in networking is responsible for routing and signaling functions. Protocols like BGP (Border Gateway Protocol) operate on the control plane because they manage the routing information and decisions that control how packets are forwarded through the network. BGP specifically is used to exchange routing information between different autonomous systems on the internet.
Reference:
Cisco Networking - Control Plane
Cisco DevNet Associate Certification Guide
NEW QUESTION # 192
A local Docker alpine image has been created with an image ID of a391665405fe and tagged as "latest".
Which command creates a running container based on the tagged image, with the container port 8080 bound to port 80 on the host?
- A. docker build -p 8080:80 alpine:latest
- B. docker run -p 8080:80 alpine:latest
- C. docker exec -p 8080:80 alpine:latest
- D. docker start -p 8080:80 alpine:latest
Answer: B
Explanation:
To create a running container based on a tagged Docker image with the container port 8080 bound to port 80 on the host, you use the docker run command with the -p flag.
A: docker build -p 8080:80 alpine
- Incorrect. docker build is used to build an image, not run a container. B. docker exec -p 8080:80 alpine
- Incorrect. docker exec is used to run a command in a running container. C. docker start -p 8080:80 alpine
- Incorrect. docker start starts a stopped container but does not create one. D. docker run -p 8080:80 alpine
- Correct. This command runs a new container from the image and maps the ports.
References:
* Docker Run Command
NEW QUESTION # 193
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
Answer:
Explanation:
NEW QUESTION # 194
Refer to the exhibit.
What is the value of the node defined by this YANG structure?
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
Explanation:
https://tools.ietf.org/html/rfc7950#section-9.12
NEW QUESTION # 195
Refer to the exhibit.
What are two characteristics of the NETCONF response? (Choose two.)
- A. routing protocols is a list.
- B. redistribution is a module of type cisco-ospf.
- C. The main module is routing.
- D. ietf-ospf imports ietf-routing.
- E. ospf is defined by the ietf-ospf module.
Answer: B,D
NEW QUESTION # 196
A company is adopting DevOps as part of an internal transformation, and is reviewing the success of the first deployments. Developers and engineers are working together to resolve any resulting issues. However, this new way of working has increased overhead, and the team is finding it difficult to complete releases in time. Which area of the CALMS framework must the company target for improvement?
- A. Sharing
- B. Collaboration
- C. Lean
- D. Measurement
Answer: C
Explanation:
In Lean team members can visualise work in progress (WIP), limit batch sizes and manage queue lengths.
NEW QUESTION # 197
Which IP service synchronizes the time across devices?
- A. SNMP
- B. NAT
- C. NTP
- D. DNS
Answer: C
Explanation:
Network Time Protocol (NTP) is used to synchronize the clocks of network devices to a common reference time. This is crucial for ensuring accurate time stamps in logs, coordinating time-sensitive operations, and maintaining consistent time across all devices in a network.
NTP: Synchronizes clocks of network devices to ensure they have the same time, which is essential for accurate event logging and coordination.
Other Protocols:
DNS: Resolves domain names to IP addresses.
SNMP: Used for monitoring network devices.
NAT: Translates private IP addresses to public IP addresses.
Reference:
Cisco DevNet Associate Certification Guide
Cisco NTP Overview
NEW QUESTION # 198
Refer to the exhibit.
What is represented in this YANG module?
- A. OpenFlow
- B. BGP
- C. interface management
- D. topology
Answer: C
NEW QUESTION # 199
A developer improves the code repository to clean a bug on the custom network monitoring application. The developer adds the changes to the staging area and then commits on the local branch. Which command pushes commits that are made on a local branch to the remote repository?
- A. push all
- B. git push origin master
- C. git push all
- D. push origin master
Answer: B
NEW QUESTION # 200
Refer to the exhibit.
Drag and drop the variables from the left onto the item numbers on the right that match the missing assignments in the exhibit.
Answer:
Explanation:
Explanation
1 - A, 2 - C, 3 - B
NEW QUESTION # 201
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?
- 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
Answer: B
NEW QUESTION # 202
Which two statements are true about Cisco UCS manager, Cisco Intersight APIs? (Choose two.)
- A. UCS manager uses JSON to encode API interactions and utilizes Base64-encoded credentials in the HTTP header for authentication.
- B. Cisco Intersight uses XML to encoded API interactions and requires an API key pair for authentication.
- C. UCS manager API interactions are XML-encoded and require a cookie in the method for authentication.
- D. USC Director API interactions can be XML- or JSON-encoded and require an APLs key in the HTTP header for authentication.
- E. Cisco Intersight API interactions can be encoded in XML or JSON and require an APIs key in the HTTP header for authentication.
Answer: C,E
Explanation:
Cisco Intersight API interactions can be encoded in XML or JSON and require an API key in the HTTP header for authentication: This statement is true. Cisco Intersight APIs support both XML and JSON formats for API interactions. API keys are used in the HTTP header to authenticate requests.
UCS manager API interactions are XML-encoded and require a cookie in the method for authentication: This statement is true. Cisco UCS Manager APIs typically use XML for encoding interactions, and a session cookie is required for authentication after an initial login request.
Cisco Intersight API: Uses either XML or JSON formats and requires API keys for authentication.
Cisco UCS Manager API: Utilizes XML format and relies on session cookies for authentication.
Reference:
Cisco Intersight API Documentation
Cisco UCS Manager API Documentation
NEW QUESTION # 203
Fill in the blanks to complete the python script to retrieve a list of network devices using the Cisco DNA center API.
Answer:
Explanation:
"GET", headers, payload
Explanation
Solution as below.
NEW QUESTION # 204
Which API must an engineer use to change a netmask on a Cisco IOS XE device?
- A. Meraki
- B. DNAC
- C. SD-WAN
- D. RESTCONF/YANG
Answer: D
Explanation:
RESTCONF and YANG are used for network configuration and management on Cisco IOS XE devices. RESTCONF provides a REST-like interface for accessing YANG-defined data models, allowing engineers to change configurations such as netmasks through programmable interfaces.
Reference:
Cisco DevNet Associate Study Guide: Network Programmability and Automation (Chapter 6, Section: Using RESTCONF and YANG).
NEW QUESTION # 205
A function my_func() returns True when it executes normally. Which python snippet tests my_func()?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Answer: A
NEW QUESTION # 206
Refer to the exhibit.
The definition of the YANG module and a RESTCONF query sent to a Cisco IOc XE device is shown. Which statement is correct if the RESTCONF interface responds with a 204 status code?
- A. The query updated the logging seventy level or created it if not present on the device.
- B. The query failed to set the logging seventy level due to an invalid path.
- C. The query failed at retrieving the logging seventy level.
- D. The query retrieved the logging seventy level.
Answer: A
NEW QUESTION # 207
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