Cisco 200-901 Online Practice Questions and Exam Preparation

Cisco 200-901 Online Questions & Answers

• Question 311:

  What are two considerations when selecting the "best route" for a network device to reach its destination? (Choose two.)

  A. MAC address
  B. IP address
  C. metrics
  D. administrative distance
  E. subnet mask
  C. metrics
  D. administrative distance

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  A router o switch3 use AD to selecting the source of routing what it'll install in the routing table, later it use the value of metric to selecting the best route when forward the packets. El package with the IP address that has the best match will fordward to out interface Netmask is use to determinate if the hosts are in the same network o diferents networks.

• Question 312:

  What does an HTTP 404 status code indicate when consuming APIs?

  A. The API request experienced an internal server error.
  B. The user was not authorized to send the request.
  C. The API request experienced a network error.
  D. The API resource was not found for the request.
  D. The API resource was not found for the request.

• Question 313:

  What is the main purpose of a code review?

  A. to identify and review errors with the team
  B. to detect logical errors
  C. to ensure that all code is checked in simultaneously
  D. to provide the technical lead visibility into all code
  A. to identify and review errors with the team

• Question 314:

  A developer prepares an API to be used by administrators. API requires username and password to be verified for validated access to data, however username-password combination of users must not be sent to the API service itself. Authentication and authorization will be provided over the same mechanism. Which authentication mechanism must be used by the API service?

  A. OAuth Authentication
  B. Digest Access Authentication
  C. Basic Authentication
  D. API Key Authentication
  A. OAuth Authentication

• Question 315:

  Refer to the exhibit.

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  A network engineer wants to change the name of a device. The engineer submits a NETCONF request and receives a response. Which NETCONF request did the engineer submit?

  A. CSSTORMY-TESTDEVICE
  B. CSSTORMY-TESTDEVICE
  C. CSSTORMY-TESTDEVICE
  D. CSSTORMY-TESTDEVICE
  D. CSSTORMY-TESTDEVICE

• Question 316:

  A developer creates a REST API that runs on a load balancer for clients to query information about stocks. The data in the back-end database is updated every 15 minutes, but clients are polling the API every 2 minutes. The developer needs to reduce the load on the database without making changes to the client side. Which constraint must the engineer address?

  A. The load balancer is not configured to use memcached as the primary back end.
  B. Use of Cache-Control headers and max-age validation is not enforced.
  C. Request throttling on the load balancer database is not enabled.
  D. Dynamic IP deny listing, which allows requests every 15 minutes, is not configured.
  B. Use of Cache-Control headers and max-age validation is not enforced.

• Question 317:

  Refer to the exhibit.

  

  The output of the diff -u README.md-repo README.md command is shown. The original file was 165 lines long. How many lines are in the edited copy of the file?

  A. 162
  B. 165
  C. 172
  D. 173
  C. 172

• Question 318:

  Which two HTTP code series relate to errors? (Choose two.)

  A. 100
  B. 200
  C. 300
  D. 400
  E. 500
  D. 400
  E. 500

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  HTTP status codes are divided into five classes: 1xx (Informational): Request received, continuing process 2xx (Success): The action was successfully received, understood, and accepted 3xx (Redirection): Further action must be taken to complete the request 4xx (Client Error): The request contains bad syntax or cannot be fulfilled 5xx (Server Error): The server failed to fulfill an apparently valid request Thus, the series that relate to errors are: 400 series (Client Error) 500 series (Server Error) RFC 7231, Section 6: HTTP/1.1 Semantics and Content

• Question 319:

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

  A. gNMI
  B. SOAP
  C. SSH
  D. CORBA
  A. gNMI

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  https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1610/ b_1610_programmability_cg/gnmi_protocol.html

• Question 320:

  Refer to the exhibit.

  

  An engineer prepares a script to automate workflow by using Cisco DNA Center APIs to display:

  1.

  total count of devices

  2.

  list of the network devices

  3.

  information of one device with a hostname filter

  What is displayed in the final step after the Python script is executed?

  A. information about a device of type C9500-40x.
  B. filtered results by the hostname and the platformld C9500-40X
  C. information about the test devices
  D. list of devices with platformId C9500-40x
  A. information about a device of type C9500-40x.