Modules 13 – 14: Emerging Network Technologies Exam Answers

1. Which function of the Cisco intent-based networking system (IBNS) enables network operators to express the expected networking behavior that will best support the business intent?

• activation
• translation
• assurance
• ACL analysis

2. Which types of APIs are suitable for the data communication between a travel website and a hotel chain inquiring about room availability data?

• open APIs
• public APIs
• internal APIs
• partner APIs

3. Which characters are used to enclose a JSON key?

• quotation marks
• commas
• square brackets
• colons

4. Which character is used to separate JSON key/value pairs?

• (comma) ,
• (semi colon) ;
• (dash) –
• (forward slash) /

5. Which two technologies are core components of Cisco ACI architecture? (Choose two.)

• Application Network Profile
• OpenFlow enabled switches
• Interface to the Routing System
• Application Policy Infrastructure Controller
• Transparent Interconnection of Lots of Links

6. Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?

• PaaS
• SaaS
• ITaaS
• IaaS

7. Which services are provided by a private cloud?

• online services to trusted vendors
• multiple internal IT services in an enterprise
• encrypted data storage in cloud computing
• secure communications between sensors and actuators

8. What are two reasons an organization might use cloud computing? (Choose two.)

• increases corporate use of technology resources
• reduces the time needed for maintenance windows
• enables global access to corporate data
• enables connectivity between disparate networks
• provides power and physical plants capable of meeting increased requirements

9. What is a characteristic of data flow processing in SDN?

• The SDN controller attaches an entry to each packet to identify the flow.
• OpenStack is used to construct the entry in switches to facilitate data forwarding.
• Each data flow through the network must be approved by the SDN controller first.
• The SDN controller routes a data flow first and the data plane will use policies to permit or deny the flow.

10. What are three abstraction layers of a computer system? (Choose three.)

• hardware
• firmware
• services
• security
• network
• data

11. In software defined network architecture, what function is removed from network devices and performed by an SDN controller?

• control plane
• data plane
• security
• application policies

12. Which term describes the data exchanges between virtual servers in a data center?

• vertical traffic
• backbone traffic
• east-west traffic
• north-south traffic

13. How is the control plane modified to operate with network virtualization?

• Control plane redundancy is added to each network device.
• The control plane function is consolidated into a centralized controller.
• A hypervisor is installed in each device to allow multiple instances of the control plane.
• The control plane on each device is interconnected to a dedicated high-speed network.

14. Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?

• PaaS
• IaaS
• SaaS
• ITaaS

15. What is JSON?

• It is a database.
• It is a scripting language.
• It is a compiled programming language.
• It is a data format for storing and transporting data.

16. What is an architectural constraint to which a true RESTful API web service must adhere?

• It operates as a cloud service.
• It runs as client/server model.
• It uses HTTPS to transport data.
• It must support the XML data format.

17. In the RESTful API request example, ht​tp://ww​w.mapquestapi.com/directions/v2/route?outFormat=json&key=KEY&from=San+Jose,Ca&to=Monterey,Ca, which term describes the component directions/v2/route?

• query
• resources
• API server
• parameters

18. Which statement describes an API?

• It is a programming language for creating a web-based application.
• It is a set of rules that filter network traffic for web-based applications.
• It is a set of functions and subroutines to be used in a comprehensive application.
• It is a set of functions and procedures that allows a client application to access the data of the service application.

19. Which term describes the process of managing configuration changes of network devices in an orderly fashion?

• automation
• provisioning
• orchestration
• version control

20. Which web service API can use multiple data formats including JSON, XML, and YAML?

• REST
• SOAP
• XML-RPC
• JSON-RPC

21. What are two reasons that most RESTful APIs require a key in the request? (Choose two.)

• to authenticate the requesting source
• to encrypt the query message in the API request
• to gather information on the people using the API
• to specify the data format expected from the response
• to make sure that the query matches the service offered by the web application

22. What is a difference between the XML and HTML data formats?

• XML formats data in hexadecimal whereas HTML formats data in binary.
• XML uses a self-descriptive data structure but HTML uses a standard document structure.
• XML requires indentation for each key/value pair whereas HTML does not require indentation.
• XML encloses data within a pair of tags whereas HTML uses a pair of quotation marks to enclose data.

23. A programmer is using Ansible as the configuration management tool. Which term is used to describe a set of instructions for execution?

• Pillar
• Manifest
• Playbook
• Cookbook

24. Which term is used to describe a set of instructions for execution by the configuration management tool Chef?

• Pillar
• Manifest
• Playbook
• Cookbook

25. Which two configuration management tools are developed using Python? (Choose two.)

• Chef
• Ansible
• Puppet
• SaltStack
• NETCONF