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MCQeasy
Which protocol is primarily used for the transport of API calls in the Cisco security portfolio?
A.SNMP
B.SSH
C.TFTP
D.HTTPS
AnswerD
REST APIs communicate over HTTPS.
281 questions total · 4pages · All types, answers revealed
Which protocol is primarily used for the transport of API calls in the Cisco security portfolio?
REST APIs communicate over HTTPS.
When using the Cisco Secure Email (formerly ESA) AsyncOS API to fetch message tracking data, what is the mandatory header required for authentication?
The AsyncOS API utilizes standard HTTP Basic Auth via the Authorization header.
Why this answer
The AsyncOS API requires the 'Authorization' header using Basic authentication with encoded credentials.
When performing an API audit, you want to ensure that all requests are logged. In Postman, which feature can you use to view the raw HTTP request and response details?
The console displays the raw request/response interaction.
Why this answer
The 'Postman Console' provides a detailed log of every request sent and the raw response received, including headers and payload.
When managing Cisco Umbrella policies, which TWO types of destination lists can you create via the API?
Standard destination list type.
Why this answer
Umbrella supports allow and block destination lists via the API.
Which THREE of the following are methods used in REST APIs? (Choose three)
Standard create method.
Why this answer
GET, POST, and DELETE are fundamental HTTP verbs used in RESTful interactions.
When using the Cisco ISE ERS API, what is the impact of not specifying the 'Accept' header in your request?
Standard behavior for REST services.
Why this answer
If 'Accept' is not specified, the server might default to an unexpected content format, leading to parsing errors in the client application.
When working with Cisco Firepower API, what is the role of the 'ETag' header in an API response?
ETags prevent overwriting concurrent changes.
Why this answer
The ETag (Entity Tag) is used for optimistic concurrency control to ensure that an update is only applied if the resource has not changed since it was last retrieved.
When using the 'ncclient' library in Python, what is the primary purpose of the 'manager.connect()' method?
This is the core function of the ncclient manager.
Why this answer
The 'manager.connect()' method establishes an SSH-based NETCONF session with the target device.
You are automating a threat hunt using SecureX. Which API response field confirms that an observable is malicious?
Disposition is the standard field for threat status.
Why this answer
The 'disposition' field uses integer values to represent threat levels, where 3 typically indicates malicious.
You are writing a Python script to interact with the Cisco Adaptive Security Appliance (ASA) via the REST API. You need to verify that your session token remains valid. Which header must be included in subsequent API calls to maintain the authenticated session?
The ASA REST API uses the X-Auth-Token header to validate the session.
Why this answer
The 'X-Auth-Token' header is the standard mechanism for passing the authentication token obtained from the initial login request to the ASA REST API.
Which Python library is the industry standard for sending HTTP requests to Cisco security APIs?
The requests library is the standard choice for API automation.
Why this answer
The 'requests' library is the most widely used and recommended library for interacting with REST APIs in Python due to its simplicity and robust feature set.
You are developing a script to pull Threat Grid sandbox reports. You receive a 401 Unauthorized error. What is the most likely cause?
401 is the standard HTTP status for authentication failure.
Why this answer
A 401 error indicates an invalid or missing API key in the request header.
You are using the Cisco Cloudlock API to retrieve a list of users. The API returns an 'error: 403 Forbidden'. What is the most likely cause?
403 indicates a lack of authorization for the requested resource.
Why this answer
A 403 Forbidden error indicates that the API key or token used does not have the necessary permissions to access the specific endpoint or resource.
Which Cisco technology provides a unified dashboard to visualize data from AMP, Umbrella, and Threat Grid?
SecureX acts as the unified integration platform.
Why this answer
Cisco SecureX is the platform that unifies visibility across these security products.
You are using the Cisco Umbrella Investigate API to enrich an incident response playbook. Which endpoint should you query to retrieve the security status and associated domains for an IP address?
This endpoint returns the domains associated with the specified IP.
Why this answer
The Investigate API provides specific endpoints for IP reputation and related domains.
Which Cisco security product uses the 'AsyncOS' platform, and for which automation tasks is its API most commonly used?
AsyncOS is the OS for these appliances, and the API enables automation of their administration.
Why this answer
Cisco Secure Email and Secure Web appliances run on AsyncOS and use the AsyncOS API for reporting, configuration, and monitoring.
Which THREE of the following are valid methods within a Python script to handle potential errors when making API calls to a Cisco platform?
This catches all request-related errors gracefully.
Why this answer
Robust API scripts must handle exceptions to prevent crashing and ensure logging of failures.
Which TWO of the following are key features of the Cisco DevNet site? (Choose two)
Essential for testing.
Why this answer
DevNet provides both learning labs and API sandboxes for developers.
Which THREE fields are commonly required when performing a lookup in the Cisco Umbrella Investigate API?
Required to direct the request to the correct API endpoint.
Why this answer
Lookups require the resource type (e.g., domain), the API key for authentication, and the specific observable (e.g., 'example.com') being investigated.
You are using the Cisco Firepower Management Center (FMC) API to retrieve a list of Access Control Policies. Which URL endpoint is correct?
This is the correct path for accessing ACPs.
Why this answer
The FMC API structure follows the /api/fmc_config/v1/domain/{domainUUID}/policy/accesspolicies path.
When working with Cisco security APIs, which authentication mechanism is most commonly required to maintain a session after the initial credentials have been exchanged?
Bearer tokens are the standard for securing stateful API sessions.
Why this answer
Modern Cisco security APIs use tokens (like Bearer tokens) to maintain authorization for subsequent requests without requiring repeated full credential exchanges.
Which tool is best suited for testing Umbrella API queries before deploying them into your automated production script?
Postman is highly effective for prototyping and testing REST API interactions.
An automation script is querying the Cisco Secure Endpoint (AMP for Endpoints) API to retrieve file trajectory data for a specific SHA-256 hash. The script is returning a 429 status code. What is the most efficient way to handle this in your automation code?
Exponential backoff is the standard method for handling API rate limiting.
Why this answer
A 429 status code indicates 'Too Many Requests' (rate limiting). The best practice is to implement exponential backoff logic to wait before retrying the request, as Cisco APIs enforce rate limits to protect service stability.
When integrating Cisco Umbrella with a SIEM using the Cisco Umbrella Investigate API, which TWO pieces of information are required to authenticate and query domain status?
The API token is the primary credential for Investigate API access.
Why this answer
The Investigate API requires an API token (key) and an Authorization header to validate requests.
When managing Cisco devices via RESTCONF, what is the benefit of using the 'PATCH' method instead of 'PUT'?
PATCH updates specific fields without requiring the full object.
Why this answer
PATCH performs a partial update, whereas PUT typically replaces the entire resource.
Which TWO components are typically required to initiate a connection to the Cisco Umbrella API?
Required for cryptographic authentication.
Why this answer
To interact with the Umbrella API, you need a generated API Key and the corresponding Secret to authenticate requests.
You are writing a Python script to interact with the Cisco Secure Web Appliance (WSA) REST API to pull 'Access Logs'. When parsing the response, you notice the data is chunked. What is the most appropriate way to handle large log datasets when using the REST API?
Pagination is the standard method for safely retrieving large log datasets from the WSA API.
Why this answer
The WSA REST API handles large datasets through pagination (offset and limit parameters) to prevent memory exhaustion on the client and server.
Which Cisco Security tool uses 'Webhooks' to push real-time threat intelligence to external systems?
Umbrella supports webhooks for event streaming.
Why this answer
Cisco Umbrella and SecureX leverage webhooks to send alerts to external platforms in real time.
Which TWO of the following are true regarding YANG models?
It is inherently tree-based.
Why this answer
YANG is data-modeling language used for NETCONF/RESTCONF, and it supports both hierarchical structures and custom data types.
You are integrating Cisco SecureX with a third-party SIEM. When configuring the API key for the SecureX Threat Response API, which authentication header must be included in your Python requests to ensure the API accepts the bearer token?
This is the required header format for SecureX APIs.
Why this answer
The Cisco SecureX Threat Response API requires an Authorization header with the format 'Bearer <token>'.
In a Cisco security automation environment, what does the 'API Rate Limit' represent?
Rate limits protect the infrastructure from overload.
Why this answer
Rate limits restrict the number of requests a client can make in a specified time window to protect API availability.
Which TWO of the following are valid uses of the Python 'json' module?
Function: json.loads().
Why this answer
The 'json' module is essential for serializing Python objects to strings and parsing strings to dictionaries.
Which TWO of the following are true regarding the Cisco Firepower Management Center (FMC) API?
Authentication is performed via token generation endpoints.
Why this answer
The FMC API is REST-based and uses OAuth 2.0 (via the /api/fmc_platform/v1/auth/generatetoken endpoint) for session management.
A network engineer is using the 'requests' library in Python to perform a POST operation to a Cisco FMC API. Which parameter is used to send data in the body of the HTTP request?
The json parameter is the correct way to pass a dictionary to be sent as JSON.
Why this answer
The 'json' parameter in the requests library automatically encodes a dictionary into a JSON string and sets the Content-Type header.
You are integrating Cisco SecureX with a third-party SIEM. When configuring a webhook for event notifications, which authentication method is natively supported by the SecureX webhook integration for secure delivery?
SecureX uses HMAC-SHA256 signatures to verify that the payload was sent by the trusted source.
Why this answer
SecureX webhooks support HMAC-SHA256 signature verification to ensure the integrity and authenticity of the payload.
When designing secure network automation, which practice is considered the most critical for API credentials?
Externalizing secrets is the standard for secure automation.
Why this answer
Storing credentials in plaintext is a severe security vulnerability. Using secret managers (like HashiCorp Vault) or environment variables is the required best practice.
Which TWO methods are used by the Cisco Threat Grid API to notify external systems when a file analysis has completed?
Webhooks provide an asynchronous, real-time alert.
Why this answer
Threat Grid supports webhooks for real-time push notifications and polling the status endpoint to check for completion.
Which THREE of the following are true about the Cisco Umbrella API?
These are necessary for authentication.
Why this answer
It is a REST-based API, supports management and reporting, and requires proper API key management.
When using the Cisco Umbrella Reporting API, what is the default limit for the number of records returned in a single GET request?
100 is the standard default limit for Umbrella API reports.
Why this answer
The Umbrella Reporting API enforces a default limit (typically 100) on the number of results per request to ensure system performance; pagination is required for larger sets.
When using the Cisco IOS-XE RESTCONF API, which header is required to tell the server the format of the payload being sent?
Specifies the request body format.
Why this answer
The 'Content-Type' header specifies the media type of the request body (e.g., application/yang-data+json).
When automating security, which methodology is used to treat infrastructure configurations as code?
IaC defines infrastructure via code.
Why this answer
Infrastructure as Code (IaC) is the practice of managing and provisioning infrastructure through machine-readable definition files.
When automating the deployment of Cisco Umbrella virtual appliances (VAs) using APIs, what is the primary prerequisite that must be configured in the dashboard?
The VAs must be active and registered in the portal to be accessible via API.
Why this answer
Before VAs can be managed or reported on via API, they must be registered in the Cisco Umbrella Dashboard under 'Deployments' > 'Core Identities' > 'Virtual Appliances'.
You want to automate the download of 'Web Access Logs' from the WSA. You have authorized your session. What is the final step before the download begins?
Retrieving the file content requires a GET request to the file's resource location.
Why this answer
In WSA automation, you must select the specific log type and file, then initiate the download, usually via a GET request to the file resource.
Which THREE of the following are true about Postman environments?
They act as variable containers.
Why this answer
Environments allow for dynamic variables, switching between test/prod, and storing sensitive data securely.
When interacting with the Cisco Firepower API, which authentication mechanism is typically required to obtain an access token?
This is the documented method for FMC API token generation.
Why this answer
Cisco FMC APIs typically require an API key or username/password to generate an access token via an authentication endpoint.
What does the 'Authorization' header in a REST API call carry?
This is the standard location for authentication data.
Why this answer
The 'Authorization' header typically carries the bearer token or credentials required to prove the client's identity to the API server.
When using the Cisco SecureX API, what is the purpose of the 'Application Name' field in the API client registration?
It facilitates tracking and management in SecureX.
Why this answer
The Application Name (or Client Name) is used for identification and auditing in the SecureX dashboard, allowing administrators to track which application is consuming resources.
You are automating the addition of malicious URLs to a Cisco Umbrella destination list. After sending a POST request with the new domains, you receive a '409 Conflict' error. What is the likely cause?
The API returns 409 when attempting to add a duplicate entry.
Why this answer
A 409 Conflict error in the Umbrella Destination List API indicates that the domain already exists in the list.
In the context of the Cisco Cloudlock API, what is the significance of the 'app_id' field?
All App Firewall API operations require the specific app_id.
Why this answer
The 'app_id' is the unique identifier used to target specific OAuth applications when performing actions like revoking permissions or changing status.
You are automating Cisco Umbrella policy changes using the Umbrella API. Which resource is used to update the blocked destination list?
This endpoint manages the destination lists.
Why this answer
The destination lists resource is used to modify the domain lists in Umbrella policies.
When using the SecureX Orchestration 'HTTP Request' activity, what is the best practice for handling sensitive API keys?
This is the secure way to manage secrets in SecureX.
Why this answer
Account keys should always be stored in the 'Account Key' credential type within SecureX for secure access.
You are automating Cisco Firepower policy deployment. After updating the Access Control Policy (ACP) via the API, you must initiate the deployment. Which API endpoint triggers the deployment task?
This endpoint is correctly defined for triggering deployment tasks.
Why this answer
The /api/fmc_config/v1/domain/{domainUUID}/deployment/deployabledevices endpoint is used to initiate the deployment process after changes are made.
What is the primary benefit of using a REST API over manual CLI configuration for security policy deployment?
Automation ensures policies are deployed identical every time.
Why this answer
APIs allow for repeatable, scalable, and automated deployment that reduces human error.
Which TWO of the following are true about Cisco Firepower API? (Choose two)
Primary function of FMC API.
Why this answer
The FMC API is REST-based and allows for configuration of policies and objects.
Which TWO parameters are typically required for paginating through large result sets in the Secure Endpoint API?
Controls the start index.
Why this answer
Pagination requires offset and limit parameters to control result sets.
You are writing a Python script using the requests library to retrieve configuration from a Cisco Firepower Management Center (FMC). Which specific header must be included in your request to ensure that the server returns the response in JSON format?
The Accept header specifies to the server that the client expects a JSON-formatted response.
Why this answer
The FMC API requires the 'Content-Type' or 'Accept' header to be set to 'application/json' to ensure proper data serialization and interpretation.
Which THREE of the following are parameters that can be used to filter Cisco Secure Email Gateway reports via the Reporting API?
Filtering by recipient address is a core reporting function.
Why this answer
The Reporting API allows filtering by date ranges, specific message IDs, and user/sender/recipient addresses.
You are automating the retrieval of threat intelligence logs from Cisco Secure Email Cloud Gateway. Which API interface provides the most efficient way to fetch historical message tracking logs for automated analysis?
The Reporting API is designed for extracting historical metrics and message logs.
When parsing a complex JSON response from a Cisco Stealthwatch API call, you need to extract the value associated with a key nested deep within the hierarchy. Which Python approach is most idiomatic and robust for this task?
This is the standard, readable, and reliable way to interact with JSON data in Python.
Why this answer
Using the built-in json module to load the string into a dictionary and accessing keys via standard dictionary lookups is the most robust method.
You are debugging a NETCONF session to a Cisco device. The device sends an <rpc-reply> containing an <rpc-error>. Which element inside the <rpc-error> indicates the severity of the problem?
This field defines the severity level of the error message.
Why this answer
The <error-severity> element in an <rpc-error> structure specifies whether the error is 'error', 'warning', or 'info'.
You are constructing an XML payload for a NETCONF <edit-config> operation. Which namespace must be included to ensure the device correctly interprets the configuration data?
This identifies the standard base NETCONF protocol.
Why this answer
The 'urn:ietf:params:xml:ns:netconf:base:1.0' namespace is mandatory for standard NETCONF operations.
When using the 'requests' library to call an API with a self-signed certificate, which parameter can be used to disable verification for testing?
This skips SSL certificate verification.
Why this answer
The 'verify=False' parameter in the requests library instructs the client to ignore SSL certificate validation errors.
You are using the Cisco Umbrella API to pull blocked DNS requests. Which resource provides this data?
This is the endpoint for DNS logs.
Why this answer
The /reports/dns_query_log endpoint provides the history of DNS requests.
What is the purpose of the 'json.loads()' function in Python?
loads = load string.
Why this answer
'json.loads()' parses a JSON-formatted string and converts it into a Python dictionary.
In the context of Cisco Umbrella, what is the primary difference between the 'Management' API and the 'Reporting' API?
This accurately describes the functional split of the Umbrella API sets.
Why this answer
The Management API is used for configuration (policies, lists), while the Reporting API is used to extract log data and security events.
Which Cisco security component provides visibility and control over cloud-based threats?
Umbrella is cloud-native security.
Why this answer
Cisco Umbrella is the primary cloud-delivered security service (DNS-layer security and SWG).
Which THREE of the following are essential components of a REST API request for a Cisco security product?
The method tells the server what action to perform.
You are automating Cisco Umbrella policy changes. You wish to update an existing policy to use a new 'Content Settings' object. Which HTTP header is required in your request to ensure the update follows optimistic concurrency control?
If-Match is the standard header for implementing optimistic concurrency via ETags.
Why this answer
The Umbrella API uses the 'If-Match' header containing an ETag to ensure that the object being updated has not changed since it was last read (optimistic locking).
You are using the Cloudlock API to fetch 'Application' data. You receive a response with a 'next_page' token. What does this indicate about the API behavior?
Cursor-based pagination requires using the provided token to fetch the next set of data.
Why this answer
The Cloudlock API utilizes cursor-based pagination for large data sets, where the 'next_page' token provides the reference to the subsequent result set.
You are writing a Python script using the Requests library to retrieve information from a Cisco FTD device. Which HTTP method should be used to ensure the operation is idempotent and does not modify the device configuration state?
GET is the appropriate method for read-only, idempotent data retrieval.
Why this answer
The GET method is used for idempotent operations to retrieve data without changing the state of the resource.
In Python, which HTTP library is most recommended for interacting with Cisco Security APIs due to its simplicity and features?
It is the standard for API automation.
Why this answer
The 'requests' library is the industry standard for HTTP interactions in Python due to its human-readable syntax and built-in features.
You are writing a script to parse FMC API response data. The response is a nested JSON object. Which Python library is standard for handling this task?
The json module is standard for parsing JSON structures.
Why this answer
The 'json' module is the built-in Python library for encoding and decoding JSON objects.
Which authentication method is most commonly used by Cisco SecureX for API access?
SecureX leverages OAuth 2.0 for secure API access.
Why this answer
SecureX uses OAuth 2.0 with Client Credentials for machine-to-machine authentication.
Which THREE of the following are considered best practices for securing API-based automation?
Limits the blast radius of compromised credentials.
Why this answer
Using HTTPS, rotating credentials, and implementing rate limiting are essential for secure automation.
Which TWO of the following are valid components of a YANG model definition?
A node that contains a single data value.
Why this answer
'container' and 'leaf' are fundamental building blocks of YANG hierarchical structures.
Practice SAUTO by domain
Target a specific domain to shore up weak areas.