200-901 Online Practice Questions and Answers

What is the purpose of a MAC address on a network device?

A. unique network address that identifies the network interface of a device

B. unique network interlace address that is provided by the DHCP server

C. unique hardware address that identifies the network interface of a device

D. unique hardware interface address that is provided by the central switch

Which two concepts describe test-driven development? (Choose two.)

A. User acceptance testers develop the test requirements.

B. It enables code refactoring.

C. Tests are created when code is ready for release.

D. Implementation is driven by incremental testing of release candidates.

E. Write a test before writing code.

Which tool simulates a network that runs Cisco equipment?

A. Cisco Prime Infrastructure

B. VMware

C. Docker

D. CML

An existing application is accessible from an external IP address. Which device or service must be configured to make the application accessible through a URL by using a domain name?

A. reverse proxy

B. DNS

C. firewall

D. load balancer

Which Python data type resembles JSON data structures?

A. list

B. dictionary

C. string

D. tuple

An engineer must investigate the problems on a web application and address them to related teams. The engineer verifies that the network farm serving the application is working properly and is accessible through the internal IP address and port. Each server has a public DNS name and public IP. While name resolutions from the outside network to the public IP address are working properly too, the engineer discovers that some servers are not accessible from the public Internet. Which problem type must be addressed as the cause for the case?

A. internal network connectivity

B. blocked transport block

C. proxy

D. NAT

Which process does a developer use to import a string and convert the file into a Python data structure?

A. parsing

B. exploding

C. serializing

D. translating

FILL BLANK

Refer to the exhibit.

Fill in the blank to complete the query parameter and value so that the result set is returned in reverse chronological order (most recent first) based on when messages were entered. HTTP GET /v1/rooms ________________

A. Check the answer in explanation.

DRAG DROP

Refer to the exhibit.

A Python script must delete all Cisco Catalyst 9300 Series switches that have an uptime that is greater than 90 days. The script must also query for the status of all the other devices. Drag and drop the code from the bottom onto the box where the code is missing to complete the script. Not all options are used.

Select and Place:

DRAG DROP

Refer to the exhibit.

Running the git merge example_branch command results in an error due to conflicts. The exhibit shows the output of the git log command on a branch named example_branch. Drag and drop the code from the bottom into the order to resolve the conflicts and merge example_branch into the remote master branch.

Select and Place: