Cisco Cisco Certified DevNet Associate 200-901 Questions & Answers

• Question 31:

  Refer to the exhibit.

  

  Which two statements describe the configuration of the switch after the Ansible script is run? (Choose two.)

  A. Traffic from ports 0/2 to 0/5 can flow on port 0/1 due to the trunk.

  B. GigabitEthernet0/1 is left unconfigured.

  C. GigabitEthernet0/2 and GigabitEthernet0/3 are access ports for VLAN 6.

  D. Traffic can flow between ports 0/2 to 0/5 due to the trunk on port 0/1.

  E. Traffic on ports 0/2 and 0/3 is connected to port 0/6.

  Correct Answer: AC

• Question 32:

  Package updates from a local server fail to download. However, the same updates work when a much slower external repository is used. Why are local updates failing?

  A. The server is running out of disk space.

  B. The Internet connection is too slow.

  C. The Internet is down at the moment, which causes the local server to not be able to respond.

  D. The update utility is trying to use a proxy to access the internal resource.

  Correct Answer: D

• Question 33:

  Which line is an example of the start of a chunk from a unified diff?

  A. @@ -20191007T1200 +88,90 @@

  B. @@ -88,10 +88,6 @@

  C. @@ -90,88 +20191008T1349 @@

  D. @@ -20191007T1200 +20191008T1349 @@

  Correct Answer: B

  Reference: https://unix.stackexchange.com/questions/252927/what-do-the-numbers-in-the-line-mean-in-output-of-diff

• Question 34:

  What is the benefit of edge computing?

  A. It reduces network latency by moving processing closer to the data source.

  B. It reduces data velocity from devices or other data sources.

  C. It simplifies security as devices and processing are brought closer together.

  D. It removes the need for centralized data processing.

  Correct Answer: A

  Reference: https://blogs.cisco.com/networking/time-to-get-serious-about-edge-computing

• Question 35:

  Refer to the exhibit.

  

  An administrator attempts to perform a GET using the Cisco IOS XE RESTCONF API to return the hostname of a device. The sequence diagram illustrates the HTTP messages observed. Which change to the API request resolves the issue?

  A. Remove the -H `Accept: application/yang-data+json' HTTP header because it is not required.

  B. Add -u cisco:cisco' in the end of the cURL command

  C. Change the request method from -X "GET" to -X "POST"

  D. Add Content-Type HTTP header with `application/yang-data+json' using -H `Content-Type: application/yang-data+json'

  Correct Answer: B

• Question 36:

  Refer to the exhibit.

  

  The definition of the YANG module and a RESTCONF query sent to a Cisco IOS XE device is shown. Which statement is correct if the RESTCONF interface responds with a 204 status code?

  A. The query retrieved the logging severity level.

  B. The query updated the logging severity level or created it if not present on the device.

  C. The query failed at retrieving the logging severity level.

  D. The query failed to set the logging severity level due to an invalid path.

  Correct Answer: B

  Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1611/ b_1611_programmability_cg/restconf_programmable_interface.html

• Question 37:

  What is the purpose of the Cisco VIRL software tool?

  A. to verify configurations against compliance standards

  B. to automate API workflows

  C. to simulate and model networks

  D. to test performance of an application

  Correct Answer: C

  Reference: https://www.speaknetworks.com/cisco-virl-better-gns3/

• Question 38:

  What is the purpose of a MAC address?

  A. to uniquely identify a switch in a LAN

  B. to uniquely identify a router in a LAN

  C. to uniquely identify a network interface in a LAN

  D. to uniquely identify a device on the Internet

  Correct Answer: C

• Question 39:

  Which two NETCONF operations cover the RESTCONF GET operation? (Choose two.)

  A.

  B.

  C.

  D.

  E.

  Correct Answer: AB

  Reference: https://www.cisco.com/c/en/us/support/docs/storage-networking/management/200933-YANG-NETCONF-Configuration-Validation.html

• Question 40:

  Which two statements about JSON and XML are true? (Choose two.)

  A. The syntax of JSON contains tags, elements, and attributes.

  B. XML objects are collections of key-value pairs.

  C. JSON objects are collections of key-value pairs.

  D. JSON arrays are an unordered set of key-value pairs.

  E. The syntax of XML contains tags, elements, and attributes.

  Correct Answer: CE