QUESTION 101
A developer creates an application that must provide an encrypted connection for API keys. The keys will be used to communicate with a REST API. Which command must be used for the secure connection?
A. curl -v ‘ftp://username.app.com/endpoint/?api_key=12345abcdef
B. curl -X GET ‘http://username.app.com/endpoint/?api_key=12345abcdef
C. curl -X GET ‘https://username.app.com/endpoint/?api_key=12345abcdef
D. curl -X PUSH ‘http:/username.app.com/endpoint/?api_key=12345abcdef
Correct Answer: C
QUESTION 102
What is the main purpose of a code review?
A. to ensure that all code is checked in simultaneously
B. to provide the technical lead visibility into all code
C. to detect logical errors
D. to identify and review errors with the team
Correct Answer: D
QUESTION 103
A system administrator works with a software development department to implement code to production. The administrator wants to review the code to be implemented and not do it automatically. The code must be ready for production and should be implemented by the administrator without additional intervention from the development team. Which DevOps concept does this scenario represent?
A. continuous delivery
B. continuous deployment
C. continuous integration
D. continuous testing
Correct Answer: A
QUESTION 104
A customer’s cloud services must:
1. Migrate services to another data center on demand.
2. Save the operational state of the machine on demand.
3. Support Windows and Linux GUIs.
4. Maximize hardware utilization.
Which type of deployment meets these requirements?
A. Container
B. Kubermetes
C. bare metal
D. virtual machine
Correct Answer: D
QUESTION 105
Which network constraint causes the performance of the application to decrease as the number of users accessing the application increases?
A. Jitter
B. Bandwidth
C. Latency
D. Loss
Correct Answer: B
QUESTION 106
Which test is included in the test stage in a CI/CD pipeline?
A. development
B. production
C. unit
D. staging
Correct Answer: C
QUESTION 107
In which software development method is a development team required to write the unit tests before writing the production code?
A. automated testing
B. continuous integration
C. test-driven
D. Agile
Correct Answer: C
QUESTION 108
What is a function of the default gateway in a network?
A. to drop traffic that is destined to the default gateway
B. to drop traffic that is not destined to the default gateway
C. to forward traffic to the same subnet
D. to forward traffic to different subnets
Correct Answer: D
QUESTION 109
What are two roles of an artifact repository in a CI/CD pipeline? (Choose two.)
A. provides traceability, search, and management of binary files
B. allows for comparing and merging changes in the source code
C. is required for managing open source software
D. is required for Cl/CD pipelines executed on a public cloud infrastructure
E. stores files needed and generated during the build process
Correct Answer: AE
QUESTION 110
A company is looking for a cloud deployment which will only use the on-premise infrastructure, is user self-service, and is easy to scale. Which cloud solution should be selected for these requirements?
A. public
B. hybrid
C. multi
D. private
Correct Answer: D
QUESTION 111
A business needs to create a simulated environment that mimics a production infrastructure to make changes to the OSPF process and analyze the impact. What should be used?
A. Cisco VIRL/Cisco CML
B. Puppet
C. Cisco DevNet Sandbox labs
D. pyATS
Correct Answer: A
QUESTION 112
What is feature of XML, compared to other data formats?
A. It uses parenthesis for key-value pairs.
B. It uses tags to define the structure.
C. It uses indentation to define the structure.
D. It uses namespaces for list representation.
Correct Answer: B
QUESTION 113
What is a difference between device-level and controller-level infrastructure management?
A. Controller-level management is more widely supported because it is standards-based, whereas device-level management is proprietary to each vendor.
B. Controller-level management uses APIs to simplify the developer experience, whereas device-level management uses traditional management protocols.
C. Device-level management uses NETCONF, whereas controller-level management does not support NETCONF to automate the infrastructure.
D. Controller-level management exposes northbound, southbound, eastbound, and westbound APIs, easing integration with other technologies, whereas device-level management does not use a controller-based API.
Correct Answer: D
QUESTION 114
Access to the management interface of devices must be restricted by using SSH and HTTPS. Which two ports must be Included in the ACLs for the protocols to work? (Choose two.)
A. 22
B. 23
C. 80
D. 443
E. 880
Correct Answer: AD
QUESTION 115
Into which type of Python data structure should common data formats be parsed?
A. set
B. sequence
C. dictionary
D. list
Correct Answer: C
QUESTION 116
What is a benefit of using model-driven programmability for infrastructure automation?
A. connected user tracking
B. multiple device control protocols
C. infrastructure resource optimization
D. device performance monitoring
Correct Answer: B
QUESTION 117
What are two benefits of organizing code into classes, methods, functions, and modules? (Choose two.)
A. improves parallelism
B. improves readability
C. improves performance
D. improves reusability
E. decreases complexity
Correct Answer: DE
QUESTION 118
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?
A. rate limiting
B. payload limits
C. pagination
D. filtering
Correct Answer: A
QUESTION 119
What is a principle of Infrastructure as Code?
A. It encourages overlaps in services.
B. It requires manual resource provisioning.
C. It requires the use of large components.
D. It encourages repeatable processes.
Correct Answer: D
QUESTION 120
A group of software developers wants to improve its collaboration with the operations team. The group wants to deliver release-ready code that merges code changes back to the main branch and runs the automated testing as often as possible. Which DevOps concept does this scenario?
A. version control
B. continuous deployment
C. continuous integration
D. continuous delivery
Correct Answer: B