200-901 DEVASC

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Cisco 200-901 Dumps Exam Questions

Question 1:

How does requesting a synchronous API operation differ from requesting an asynchronous API operation?

A. clients receive responses with a task id for further processing

B. clients subscribe to a webhook for operation results

C. clients poll for the status of the execution of operations

D. clients can access the results immediately

Question 2:

What are two advantages of YANG-based approaches for infrastructure automation? (Choose two.)

A. multi-platform vendor abstraction

B. compiles to executables that run on network devices

C. designed to reflect networking concepts

D. directly maps to JavaScript

E. command line driven interface

Question 3:

Which device is used to transport traffic from one broadcast domain to another broadcast domain?

A. layer 2 switch

B. proxy server

C. router

D. load balancer

Question 4:

Which service provides a directory lookup for IP addresses and host names?

A. DNS

B. NAT

C. SNMP

D. DHCP

Question 5:

Users cannot access a web server and after the traffic is captured, the capture tool shows an ICMP packet that reports “time exceeded in-transit”. What is the cause of this webserver access issue?

A. A router along the path has the wrong time.

B. A router along the path is misrouting the packets in the wrong direction.

C. The server is too loaded and the connection could not be handled in time.

D. The server is too far away and the packets require too much time to reach it.

Question 6:

Refer to the exhibit.

What is the value of the node defined by this YANG structure?

A. Option A

B. Option B

C. Option C

D. Option D

Question 7:

What is used in Layer 2 switches to direct packet transmission to the intended recipient?

A. MAC address

B. IPv6 address

C. spanning tree D. IPv4 address

Question 8:

Users cannot access a web server and after the traffic is captured, the capture tool shows an ICMP packet that reports “communication administratively prohibited”. What is the cause of this webserver access issue?

A. An access list along the path is blocking the traffic.

B. Users must authenticate on the webserver to access it.

C. A router along the path is overloaded and thus dropping traffic.

D. The traffic is not allowed to be translated with NAT and dropped.

Question 9:

What is an advantage of a version control system?

A. facilitates resolving conflicts when merging code

B. ensures that unit tests are written

C. prevents over-writing code or configuration files

D. forces the practice of trunk-based development

Question 10:

Refer to the exhibit.

What is the result of executing this Ansible playbook?

A. The playbook copies a new start-up configuration to CISCO_ROUTER_01

B. The playbook copies a new running configuration to CISCO_ROUTER_01

C. The playbook backs up the running configuration of CISCO_ROUTER_01

D. The playbook backs up the start-up configuration of CISCO_ROUTER_01

Question 11:

A 401 HTTP response code is returned when calling a REST API. What is the error state identified by this response code?

A. The server cannot process the request as it has detected an issue in the request syntax or body.

B. The request has not been accepted because it requires authentication.

C. The sever accepted the request but the client is not authorized for this content.

D. The server cannot find the requested resource because the path specified is incorrect.

Question 12:

What is the first development task in test-driven development?

A. Write code that implements the desired function.

B. Write a failing test case for the desired function.

C. Reverse engineer the code for the desired function.

D. Write a passing test case for existing code.

Question 13:

What is the purpose of a firewall in application deployment?

A. adds TLS support to an application that does not support it natively

B. limits traffic to only ports required by the application

C. provides translation for an application\’s hostname to its IP address

D. forwards traffic to a pool of instances of the application

Question 14:

A small company has 5 servers and 50 clients. What are two reasons an engineer should split this network into separate client and server subnets? (Choose two.)

A. Subnets will split domains to limit failures.

B. A router will limit the traffic types between the clients and servers.

C. Subnets provide more IP address space for clients and servers.

D. A router will bridge the traffic between clients and servers.

E. Internet access to the servers will be denied on the router.

Question 15:

How does a developer create and switch to a new branch called “my-bug-fix” to develop a product fix?

A. git checkout -b my-bug-fix

B. git branch -b my-bug-fix

C. git branch my-bug-fix

D. git checkout my-bug-fix

Question 16:

What does a load balancer distribute in a network environment?

A. different TCP connections to the routers
B. incoming traffic across multiple servers
C. traffic in the network by leveraging the switch architecture
D. outgoing connections to the network

Question 17:

What should a CI/CD pipeline aim to achieve?

A. to require minimal manual interaction
B. to allow manual testing before deployment
C. to support new deployments on a fixed monthly schedule
D. to provide a documented process for feedback

Question 18:

Users cannot access a web server and after the traffic is captured, the capture tool shows an ICMP packet that reports “time exceeded in-transit”.

What is the cause of this webserver access issue?

A. A router along the path has the wrong time.
B. A router along the path is misrouting the packets in the wrong direction.
C. The server is too loaded and the connection could not be handled in time.
D. The server is too far away and the packets require too much time to reach it.

Question 19:

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/yangdata+json\\’

Question 20:

What is the benefit of organizing code into modules?

A. enables the code to be broken down into layers
B. improves collaboration of the development team
C. makes it easier to deal with large and complex systems
D. enables the inclusion of more programming languages in the code

Question 21:

Which API must an engineer use to change a netmask on a Cisco IOS XE device?

A. Meraki
B. SD-WAN
C. RESTCONF/YANG
D. DNAC

Question 22:

Refer to the exhibit.

Which command needs to be placed on the box where the code is missing to output the value of page_jd in the Python 3.7 script?

Question 23:

What is the functionality of the Waterfall method as compared to the Agile method for software development?

A. Waterfall increases agility to implement faster while Agile promotes reliability.
B. A phase begins after the previous phase has ended in Waterfall while Agile phases run in parallel.
C. Customers get feedback during the process in Waterfall while they can see the result at the end in Agile.
D. Requirements can be updated in Waterfall while in Agile they should be gathered in the beginning.

Question 24:

When using the Bash shell, how is the output of the devnet command saved to a file named “output.txt”?

A. devnet > output.txt
B. devnet | output.txt
C. devnet
D. devnet and output.txt

Question 25:

How is a branch called “my-bug-fix” started to develop a fix needed in a product?

A. git branch -b my-bug-fix
B. git checkout -b my-bug-fix
C. git checkout my-bug-fix
D. git branch my-bug-fix

Question 26:

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

Question 27:

Which product provides network controller-level management features?

A. Cisco ISE
B. Cisco DNA Center
C. Cisco UCS Manager
D. Cisco NX-OS

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