View Full Cisco CCNA Automation 200-901 Exam Dumps and Practice Test Dumps.

 

Question 281

Which Git command downloads changes from a remote repository without automatically merging them into the current branch?

1. git push
2. git fetch
3. git commit
4. git merge

Correct Answer: 2

Explanation

The git fetch command downloads new commits and other references from a remote repository without automatically merging those changes into the current working branch. This allows an automation developer to inspect remote changes before deciding how to integrate them. git pull generally combines fetching with an integration operation such as merge or rebase. git push sends local commits to a remote repository, while git commit records changes locally. git merge integrates changes from another branch into the current branch. Therefore, git fetch is the correct answer.

Question 282

Which Git command temporarily stores uncommitted changes so the working directory can be cleaned?

1. git stash
2. git save
3. git hold
4. git suspend

Correct Answer: 1

Explanation

The git stash command temporarily stores uncommitted changes and returns the working directory to a clean state. This is useful when an automation developer needs to switch branches, investigate another change, or update the repository without committing incomplete work. The stashed changes can later be reapplied. The commands git save, git hold, and git suspend are not standard Git commands for this purpose. Using stash can help developers manage unfinished automation code without creating unnecessary commits. Therefore, git stash is the correct answer.

Question 283

Which Git command creates a new commit from staged changes?

1. git add
2. git status
3. git commit
4. git fetch

Correct Answer: 3

Explanation

The git commit command records staged changes as a new commit in the local Git repository. A typical workflow is to modify automation files, use git add to stage selected changes, and then use git commit with a meaningful message. git status displays the state of files, while git fetch retrieves information from a remote repository. Creating commits provides a history of changes that can be reviewed, compared, or reverted later. Therefore, git commit is the correct command.

Question 284

What is the primary purpose of a Git branch?

1. To encrypt repository files
2. To provide an independent line of development
3. To install Python packages
4. To create network interfaces

Correct Answer: 2

Explanation

A Git branch provides an independent line of development within a repository. Automation teams can use branches to develop new scripts, infrastructure changes, or features without immediately modifying the main development line. Once work is reviewed and tested, it can be integrated through an appropriate workflow. Branches do not encrypt files, install Python packages, or create network interfaces. They are primarily a version-control mechanism that allows multiple development paths to exist within the same repository. Therefore, providing an independent line of development is the correct answer.

Question 285

Which practice helps ensure that automation code meets defined formatting and coding standards?

1. Linting
2. Packet flooding
3. Screen scraping
4. Port scanning

Correct Answer: 1

Explanation

Linting analyzes source code for potential errors, style violations, formatting issues, and other problems according to configured rules. In automation projects, linters can help maintain consistent Python, YAML, or other source files across a team. Finding problems early can reduce errors before code reaches testing or production. Packet flooding and port scanning are networking activities, while screen scraping is a method of extracting information from command-line or web output. None of these provide source-code quality checking. Therefore, linting is the correct practice.

Question 286

Which testing type generally tests a small individual function or component in isolation?

1. Integration testing
2. Acceptance testing
3. Unit testing
4. Performance testing

Correct Answer: 3

Explanation

Unit testing focuses on a small individual component, such as a Python function or class method, and tests it independently from larger system components. In network automation, a unit test might verify that a function correctly transforms device data or validates an IP address. Integration testing instead evaluates how multiple components work together. Acceptance testing evaluates whether broader requirements are satisfied, while performance testing examines characteristics such as speed or resource consumption. Therefore, unit testing is the appropriate testing type for an individual isolated function or component.

Question 287

What is the main purpose of integration testing in an automation application?

1. To test how multiple components work together
2. To rename Git branches
3. To encrypt source code
4. To format YAML indentation

Correct Answer: 1

Explanation

Integration testing evaluates whether multiple components of an application work correctly together. For example, a network automation workflow might combine a Python application, an API client, authentication mechanism, and data-processing function. Unit tests may verify each component independently, while integration tests check their interaction. Integration testing does not rename Git branches, encrypt source code, or specifically fix YAML formatting. It is particularly useful for identifying problems that only appear when separate components communicate. Therefore, testing how multiple components work together is the correct answer.

Question 288

Which automation practice helps prevent credentials from being hard-coded directly into source code?

1. Store credentials in plain text comments
2. Use a secrets-management mechanism
3. Put passwords in Git commit messages
4. Publish credentials in documentation

Correct Answer: 2

Explanation

A secrets-management mechanism helps keep sensitive information such as passwords, API tokens, and private keys separate from application source code. This reduces the chance that credentials will accidentally be exposed through source repositories or shared files. Automation systems can retrieve secrets securely at runtime or through controlled configuration mechanisms. Hard-coding credentials, placing them in comments, or publishing them in documentation creates unnecessary security risks. Git history can also retain accidentally committed secrets even after a file is changed. Therefore, using a secrets-management mechanism is the correct approach.

Question 289

What does the principle of least privilege mean in an automation environment?

1. Every automation account receives administrator access
2. Users and applications receive only the permissions they need
3. Authentication is disabled for automated tasks
4. All API operations are permitted

Correct Answer: 2

Explanation

The principle of least privilege means that users, applications, and automation processes should receive only the permissions required to perform their intended tasks. For example, an automation account that only needs to read device information should not automatically receive unrestricted configuration privileges. Limiting permissions reduces the potential impact of compromised credentials or programming mistakes. Granting administrator access to every automation account contradicts this principle. Similarly, disabling authentication or allowing every API operation creates unnecessary exposure. Therefore, providing only the required permissions is the correct answer.

Question 290

Which Ansible keyword is commonly used to store the output of a task for later use?

1. register
2. capture
3. record
4. output

Correct Answer: 1

Explanation

The Ansible register keyword stores the result of a task in a variable. That registered variable can later be examined by subsequent tasks, conditions, or debugging operations. For example, an automation playbook can run a command, register its result, and then use a when condition to determine what should happen next. capture, record, and output are not the standard Ansible keyword for storing task results. Therefore, register is the correct answer.

Question 291

Which Ansible keyword allows a task to execute only when a specified condition is true?

1. when
2. if
3. condition
4. execute_if

Correct Answer: 1

Explanation

The Ansible when keyword is used to apply conditional execution to tasks. A task with a when condition runs only when the specified expression evaluates as true. This is useful in network automation when different actions are required depending on device information, previous task results, operating system type, or configuration state. Ansible does not normally use the Python-style if keyword directly for task conditions. condition and execute_if are not the standard task keywords. Therefore, when is the correct answer.

Question 292

What is the purpose of Ansible check mode?

1. To preview many changes without applying them
2. To delete all inventory files
3. To disable YAML parsing
4. To install Ansible collections

Correct Answer: 1

Explanation

Ansible check mode allows a playbook to perform a dry-run style evaluation where supported, helping administrators understand what changes would be made without actually applying many of those changes. This can be valuable when testing network configuration automation before making modifications to production devices. Check mode behavior depends on the module because not every module can fully simulate its operations. It does not delete inventory files, disable YAML parsing, or install collections. Therefore, previewing potential changes without applying them is the correct answer.

Question 293

Which Ansible keyword can be used to explicitly report that a task changed the system based on a custom condition?

1. changed_when
2. change_if
3. status_when
4. modify_when

Correct Answer: 1

Explanation

The Ansible changed_when keyword allows the automation developer to define when a task should be considered to have changed the target system. This can be useful when a command module does not automatically know whether an operation modified the system. A Boolean expression can be based on the task’s registered output. Accurate change reporting is valuable because it improves playbook results and helps determine whether an automation run actually modified the environment. change_if, status_when, and modify_when are not standard Ansible keywords. Therefore, changed_when is correct.

Question 294

Which Ansible keyword can be used to define custom conditions under which a task should be considered failed?

1. failure_when
2. failed_when
3. error_if
4. fail_if

Correct Answer: 2

Explanation

The Ansible failed_when keyword allows a developer to define custom conditions that determine whether a task should be marked as failed. This is particularly useful when a command or API operation returns output that requires additional interpretation. For example, an automation workflow may inspect a registered result and fail the task when a specific error string appears. This provides more control than relying only on a module’s default failure behavior. failure_when, error_if, and fail_if are not the standard Ansible keywords. Therefore, failed_when is correct.

Question 295

Which Ansible module is commonly used to send HTTP requests to web APIs?

1. uri
2. http_request
3. api_call
4. restapi

Correct Answer: 1

Explanation

The Ansible uri module is commonly used to interact with HTTP and HTTPS services, including REST APIs. It can perform operations such as GET, POST, PUT, and other HTTP requests depending on the task configuration. This makes it useful for integrating Ansible playbooks with external management platforms and network controllers. The module can also work with headers, authentication, request bodies, and response information. http_request, api_call, and restapi are not the standard Ansible module names for this purpose. Therefore, uri is the correct answer.

Question 296

What is the purpose of an Ansible collection?

1. To package related Ansible content such as modules, plugins, and roles
2. To replace Python entirely
3. To provide physical storage for network devices
4. To create Ethernet frames

Correct Answer: 1

Explanation

An Ansible collection packages related automation content into a reusable distribution format. Collections can contain modules, plugins, roles, playbooks, and other supporting content. Network automation commonly uses collections that provide modules designed for specific network platforms or management interfaces. Collections help organize and distribute automation functionality separately from the core Ansible installation. They do not replace Python, provide physical storage, or create Ethernet frames. Therefore, packaging related Ansible automation content is the correct purpose.

Question 297

What does FQCN mean in Ansible terminology?

1. Fully Qualified Collection Name
2. Fast Query Configuration Network
3. File Quality Control Number
4. Functional Queue Connection Node

Correct Answer: 1

Explanation

FQCN stands for Fully Qualified Collection Name. It identifies an Ansible module or plugin using its collection namespace and name, such as a module referenced through a collection-specific path. Using FQCNs helps make automation code clearer and reduces ambiguity when different collections provide similarly named functionality. This is particularly useful in larger automation environments where many collections are installed. The other options do not represent the standard meaning of FQCN. Therefore, Fully Qualified Collection Name is the correct answer.

Question 298

Which Jinja2 filter is useful for providing a fallback value when a variable is undefined?

1. default
2. fallback_value
3. replace_if_null
4. backup

Correct Answer: 1

Explanation

The Jinja2 default filter can provide a fallback value when a variable is undefined. This is useful in automation templates where some variables may not be supplied for every device or environment. For example, a template can use a default interface description when no specific value is provided. Using defaults can make templates more resilient and reduce failures caused by missing variables. fallback_value, replace_if_null, and backup are not standard Jinja2 filters for this purpose. Therefore, default is the correct answer.

Question 299

Which YAML issue is most likely to cause a parsing error in an Ansible playbook?

1. Consistent indentation
2. Incorrect indentation
3. Using lowercase variable names
4. Having comments

Correct Answer: 2

Explanation

Incorrect YAML indentation is a common cause of parsing errors in Ansible playbooks. YAML uses indentation to represent hierarchy, so inconsistent or misplaced spaces can change the structure of the document or make it invalid. Ansible relies heavily on YAML for playbooks, variables, and task definitions, making proper indentation important. Consistent indentation is valid, comments are supported, and lowercase variable names can be valid depending on naming conventions. Therefore, incorrect indentation is the issue most likely to cause a YAML parsing error.

Question 300

Which automation design characteristic means running the same operation multiple times should produce the same intended final state?

1. Serialization
2. Idempotency
3. Encryption
4. Pagination

Correct Answer: 2

Explanation

Idempotency means that repeatedly applying the same intended operation results in the same final state rather than producing unintended additional changes. This is a valuable characteristic in network automation because automation workflows may be retried after failures or executed repeatedly as part of configuration management. For example, declaring that an interface should have a particular configuration should not repeatedly create duplicate configuration elements. Serialization converts data into a transferable representation, encryption protects information, and pagination divides large API responses. Therefore, idempotency is the correct answer.