200-901 Free Practice Test

- (Exam Topic 2)
What are two use cause where webhooks are effective? (Choose two.)

1. A. Close a session with a web server after a specific amount of time.
2. B. Filter out information from a response to an API call
3. C. Change the response format or content type of an API call.
4. D. Inform a previously defined chat channel after a deployment fate.
5. E. Send an email to a customer of an online store after payment is complete

Correct Answer: DE

- (Exam Topic 1)
What are two benefit of managing network configuration via APIs? (Choose two.)

1. A. configuration on devices becomes less complex
2. B. more security due to locking out manual device configuration
3. C. increased scalability and consistency of network changes
4. D. eliminates the need of legacy management protocols like SNMP
5. E. reduction in network changes performed manually

Correct Answer: CE

- (Exam Topic 3)
Which Python function is used to parse a string that contains JSON data into a Python dictionary?

1. A. json.dumps()
2. B. json.to_json()
3. C. json.parse()
4. D. json.loads()

Correct Answer: D
loads() function is present in python built-in 'json' module. This function is used to parse the JSON string.

- (Exam Topic 2)
Refer to the exhibit.

A network engineer wants to automate the port enable/disable process on specific Cisco switches. The engineer creates a script to send a request through RESTCONF and uses ietf as the YANG model and JSON as payload. Which command enables an interface named Loopback1?

1. A. enable_function(Loopback1, true, ‘iana-if-type:softwareLoopback’)
2. B. enable_function(‘iana-if-type:softwareLoopback’, Loopback1, true,)
3. C. def enable_function(‘iana-if-type:softwareLoopback’, Loopback1, false,)
4. D. def enable_function(Loopback1, true, ‘iana-if-type:softwareLoopback’)

Correct Answer: D

- (Exam Topic 3)
A developer must test the performance and reliability of an application. After functional and load tests are run, the application crashes due to traffic spikes from users. Which type of API constraint must be implemented to maintain reliability?

1. A. rate limiting
2. B. pagination
3. C. payload limits
4. D. filtering

Correct Answer: A