Free Cisco 200-901 CCNAAUTO Practice Questions

Question 1

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

1. User acceptance testers develop the test requirements.
2. It enables code refactoring.
3. Tests are created when code is ready for release.
4. Implementation is driven by incremental testing of release candidates.
5. Write a test before writing code.

Question 2

Which task is performed because the test-driven development approach is being used?

1. creating test scenarios based on continuous development
2. writing code without committing any coding violations
3. refactoring code that is covered by existing tests
4. testing existing software before developing new code

Question 3

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

1. Write code that implements a desired function.
2. Write a failing test case for a desired function.
3. Reverse engineer the code for a desired function.
4. Write a passing test case for existing code.

Question 4

In test-driven development, what are two of the green bar patterns? (Choose two.)

1. another test
2. break
3. triangulate
4. starter test
5. fake it

Question 5

In the test-driven development model, what is changed after a test fails?

1. schedule
2. project requirements
3. code
4. test

Question 6

What is a benefit of test-driven development?

1. strict adherence to product requirements
2. faster releases that have minimal features
3. early customer involvement
4. increased code quality

Question 7

Which two statements describe the advantages of using a version control system? (Choose two.)

1. It allows for branching and merging so that different tasks are worked on in isolation before they are merged into a feature or master branch.
2. It provides tooling to automate application builds and infrastructure provisioning.
3. It allows multiple engineers to work against the same code and configuration files and manage differences and conflicts.
4. It provides a system to track User Stories and allocate to backlogs.
5. It allows developers to write effective unit tests.

Question 8

What are two advantages of version control software? (Choose two.)

1. It supports tracking and comparison of changes in binary format files.
2. It allows new team members to access the current code and history.
3. It supports comparisons between revisions of source code files.
4. It provides wiki collaboration software for documentation.
5. It allows old versions of packaged applications to be hosted on the Internet.

Question 9

Before which process is code review performed when version control is used?

1. checkout of code
2. merge of code
3. committing code
4. branching code

Question 10

What is an advantage of a version control system?

1. facilitates resolving conflicts when merging code
2. ensures that unit tests are written
3. prevents overwriting code or configuration files
4. forces the practice of trunk-based development

Question 11

Which technology is responsible for resolving a host name to an IP address?

1. DNS
2. SNMP
3. DHCP
4. NTP

Question 12

What are two functions of a routing table on a network device? (Choose two.)

1. It lists the routes to drop traffic.
2. It lists the routes to a particular destination.
3. It lists the static and dynamic entries.
4. It lists hosts that are one hop away.
5. It lists entries more than two hops away.

Question 13

An engineer needs to retrieve a list of locally available Firepower Threat Defense upgrade packages by using the Firepower Management Center REST API. The engineer uses a GET request with the URL:

/api/fmc_platform/v1/updates/upgradepackages/f413afeb-e6f6-75f4-9169-6d9bd49s625e

What does `f413afeb-e6f6-75f4-9169-6d9bd49s625e` represent?

1. container UUID
2. package UUID
3. domain UUID
4. object UUID

Question 14

Which platform has an API that has the capability to obtain a list of vulnerable software on user devices?

1. Cisco Advanced Malware Protection
2. Cisco Umbrella
3. Cisco Identity Services Engine
4. Cisco Firepower

Question 15

Which advantage does the agile process offer compared to waterfall software development?

1. to add or update features with incremental delivery
2. to view the full scope of end-to-end work
3. to have each phase end before the next begins
4. to fix any issues at the end of the development cycle

Question 16

What is a procedural component of CI/CD pipelines?

1. Bundled artifacts must be generated.
2. Every test must pass for the pipeline to continue its execution.
3. Some tests fail without stopping the pipeline execution.
4. The release label that identifies the build is optional.

Question 17

What are two considerations when selecting the `best route` for a network device to reach its destination? (Choose two.)

1. MAC address
2. IP address
3. metrics
4. administrative distance
5. subnet mask

Question 18

Which model-driven programmability protocol does Cisco IOS XE Software support?

1. gNMI
2. SOAP
3. SSH
4. CORBA

Question 19

Which application should be used to externally access all applications deployed in the same host machine with a single public IP address and port, when each application listens on different local ports?

1. reverse proxy
2. load balancer
3. DNS
4. firewall

Question 20

What are two benefits of managing network configuration via APIs? (Choose two.)

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

Question 21

A company wants to automate the orders processed on its website using API. The network device that supports the solution must:

• support XML encoding

• support distributed transactions

• support YANG data models

• support software redundancy

Which requirement prevents the use of RESTCONF for the solution?

1. software redundancy
2. YANG data models
3. distributed transactions
4. XML encoding

Question 22

What are two properties of private IP addresses? (Choose two.)

1. They can be used to access the Internet directly.
2. They are more secure than public IP addresses.
3. They are not globally unique.
4. They can be repeated within the same local network.
5. They are controlled globally by an IP address registry.

Question 23

A file that already exists in a local repository is updated.

Which command must be executed to ensure that the changes in the file are included in the next Git commit?

1. git update
2. git merge
3. git add
4. git rebase

Question 24

A developer is attempting to retrieve all the messages from a Cisco Webex space. The server responds by sending the first 1,000 messages. The developer must make additional requests to retrieve the rest of the messages.

Which API constraint is described in this scenario?

1. payload limiting
2. throttling
3. pagination
4. rate limiting

Question 25

When a Cisco IOS XE networking device is configured using RESTCONF, what is the default data-encoding method?

1. JSON
2. YAML
3. XML
4. x-form-encoding

Question 26

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

1. layer 2 switch
2. proxy server
3. router
4. load balancer

Question 27

Which method should be used to safely store the API keys?

1. in an environment variable unique to the system database
2. encrypted in a configuration file that is separate from the code
3. plain text in the code as a constant
4. encrypted in the code in a function

Question 28

What is an example of a network interface hardware address?

1. workstation name
2. IP address
3. domain name
4. MAC address

Question 29

Which REST architectural constraint indicates that no client context should be stored on the server between requests?

1. cacheable
2. stateless
3. uniform interface
4. client-server

Question 30

What does a load balancer distribute in a network environment?

1. different TCP connections to the routers
2. incoming traffic across multiple servers
3. traffic in the network by leveraging the switch architecture
4. outgoing connections to the network

Question 31

Which action does the Git command git merge allow the developer to perform?

1. Combine multiple sequences of commits into one unified history
2. Push changes to the remote repository
3. Create, list, rename, and delete branches
4. Switch between branches

Question 32

On which network plane is routing protocol traffic handled?

1. management plane
2. data plane
3. authentication plane
4. control plane

Question 33

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 represent?

1. continuous delivery
2. version control
3. continuous integration
4. continuous deployment

Question 34

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?

1. Cisco VIRL / Cisco CML
2. Cisco DevNet Sandbox labs
3. pyATS
4. Puppet

Question 35

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.)

1. 22
2. 23
3. 80
4. 443
5. 880

Question 36

Which tool allows changes to the configuration management toolset to be tested?

1. pyATS
2. NAPALM
3. Cisco VIRL
4. Ansible

Question 37

An automation script fails to connect to an internal server exactly 1 out of 2 times it is executed. This behavior is seen from different clients.

Which networking device must be at fault?

1. load balancer
2. laptop on which the script is running
3. switch
4. router

Question 38

Which product provides network controller-level management features?

1. Cisco ISE
2. Cisco DNA Center
3. Cisco UCS Manager
4. Cisco NX-OS

Question 39

A developer creates a script that configured multiple Cisco IOS XE devices in a corporate infrastructure. The internal test environment is unavailable, and no maintenance window is available to test on a low-priority production environment.

Which resource is used to test the code before it is applied to the production environment?

1. Code Exchange
2. Cisco Support
3. Cisco DevNet Learning Labs
4. Cisco DevNet Sandbox

Question 40

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

1. multi-platform vendor abstraction
2. compiles to executables that run on network devices
3. designed to reflect networking concepts
4. directly maps to JavaScript
5. command line driven interface

Question 41

What is a feature of XML compared to other data formats?

1. It uses tags to define the structure.
2. It uses parenthesis for key-value pairs.
3. It uses indentation to define the structure.
4. It uses namespaces for list representation.

Question 42

Which protocol runs over TCP port 23?

1. SSH
2. NETCONF
3. HTTP
4. Telnet

Question 43

On which port does NETCONF operate by default?

1. 23
2. 443
3. 822
4. 830

Question 44

Which standard supported by Cisco IOS XE and Cisco NX-OS is used for automating the configuration of multiple devices across a network?

1. SNMP/YANG
2. SYSLOG/YANG
3. CLI/YANG
4. NETCONF/YANG

Question 45

A developer has addressed a bug that was found in the production code of an application. A separate file named 'bug427896191v_fix' has been created with the changes to the code.

Which Git command must be used to incorporate the bug fix into the production code?

1. git rebase
2. git cat-file
3. git merge-file
4. git bisect

Question 46

Which two encoding formats do YANG interfaces support? (Choose two.)

1. XML
2. JSON
3. XHTML
4. BER
5. plain text

Question 47

What is a requirement when authenticating a RESTCONF API session with a router that runs Cisco IOS XE Software?

1. No authentication is required.
2. OAuth must be used.
3. A token must be retrieved and the associated string must be embedded in the X-Auth-Token header.
4. Basic authentication must be used.

Question 48

Which HTTP response code should be returned when the request is completed, but there is no content to send for the request?

1. 100
2. 204
3. 302
4. 402

Question 49

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

1. DNS
2. NAT
3. SNMP
4. DHCP

Question 50

Which two statements about JSON and XML are true? (Choose two.)

1. The syntax of JSON contains tags, elements, and attributes.
2. XML objects are collections of key-value pairs.
3. JSON objects are collections of key-value pairs.
4. JSON arrays are an unordered set of key-value pairs.
5. The syntax of XML contains tags, elements, and attributes.

Question 51

Which Cisco platform is used to manage data center infrastructure through third-party tools and system integrations?

1. Cisco DNA Center
2. Cisco UCS Manager
3. Cisco Intersight
4. Cisco UCS Director

Question 52

In which two ways is an application characterized when interacting with a webhook? (Choose two.)

1. receiver
2. transaction monitor
3. codec
4. processor
5. listener

Question 53

What is the purpose of the first three pairs of digits in a MAC address?

1. defines packet forwarding priority sent or received by the adapter
2. defines a routing identifier for the client
3. indicates vendor of the network card or adapter
4. indicates the IP address of the client in Hex

Question 54

Which operation is performed with YANG model-driven programmability in NX-OS?

1. configure a device with native and OpenConfig-based models
2. bootstrap a device that has a factory-default configuration
3. send CLI commands to a device and retrieve output in JSON format
4. run Linux commands natively on the device

Question 55

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

1. MAC address
2. IPv6 address
3. spanning tree
4. IPv4 address

Question 56

What is a benefit of using edge computing in an IoT implementation?

1. high speed in data processing
2. low network design complexity
3. low cost in network design
4. high availability for network components

Question 57

A developer is writing an application that uses a REST API and the application requires a valid response from the API.

Which element of the response is used in the conditional check?

1. body
2. headers
3. link
4. URL
5. status code

Question 58

Which two elements are foundational principles of DevOps? (Choose two.)

1. organizing cross-functional teams over organizational silos
2. designing applications as microservices
3. encouraging containers for the deployment of applications
4. automating over documenting
5. optimizing the cost of infrastructures

Question 59

What is a benefit of using a code review process in application development?

1. accelerates the deployment of new features in an existing application
2. provides version control during code development
3. enables the quick deployment of new code
4. eliminates common mistakes during development

Question 60

A company wants to accelerate the adoption of technologies that will simplify its operations. Staff have different skill levels and are looking for a single site to find easy-to-consume beginner, intermediate, and advanced multidomain use cases.

Which site should be used?

1. DevNet Ecosystem Exchange
2. DevNet Automation Exchange
3. DevNet Creations
4. DevNet Support Forum

Question 61

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

1. Meraki
2. SD-WAN
3. RESTCONF/YANG
4. DNAC

Question 62

Which traffic is handled on the control plane?

1. BGP
2. SMB
3. NTP
4. NETCONF

Question 63

What are two roles of an artifact repository in a CI/CD pipeline? (Choose two.)

1. stores files needed and generated during the build process
2. provides traceable, searchable, and manageable binary files
3. is required for CI/CD pipelines executed on a public cloud infrastructure
4. allows for comparing and merging changes in the source code
5. is required for managing open source software

Question 64

An engineer must configure Cisco Nexus devices and wants to automate this workflow. The engineer enables the Cisco NX-OS REST API to configure the devices by using an Ansible playbook. Before running the code, which resource must be used to verify that the code works correctly?

1. Cisco NX-OS SDK
2. Cisco Learning Labs
3. Cisco Code Exchange
4. Cisco Modeling Labs

Question 65

What is a principle of a code review process?

1. Changes are made after the code is submitted to source control.
2. It must not prevent code from getting into production as quickly as possible.
3. Naming standards must be consistent.
4. A technical lead must sign off on the review.

Question 66

Which type of threat occurs when an attacker can send hostile data to an interpreter within an application?

1. sensitive data exposure
2. broken authentication
3. cross-site scripting
4. injection

Question 67

Which principle is a value from the manifesto for Agile software development?

1. processes and tools over teams and interactions
2. detailed documentation over working software
3. adhering to a plan over responding to requirements
4. customer collaboration over contract negotiation

Question 68

What is the purpose of the Cisco VIRL software tool?

1. to verify configurations against compliance standards
2. to automate API workflows
3. to simulate and model networks
4. to test performance of an application

Question 69

A new application is being developed that must be hardware independent. The application includes an administrative component which is accessed using a Windows desktop GUI. Installation and management of the environment must be fully automated.

Which application deployment type meets the requirements?

1. virtual machine
2. virtual Python environment
3. container
4. bare metal

Question 70

Which platform has an API that can be used to obtain a list of vulnerable software on user devices?

1. Cisco Umbrella
2. Cisco Firepower
3. Cisco Identity Services Engine
4. Cisco Advanced Malware Protection

Question 71

What is the benefit of edge computing?

1. It reduces network latency by moving processing closer to the data source.
2. It reduces data velocity from devices or other data sources.
3. It simplifies security as devices and processing are brought closer together.
4. It removes the need for centralized data processing.

Question 72

What is a benefit of version control?

1. prevents two users from working on the same file
2. keeps track of all changes to the files
3. prevents the sharing of files
4. keeps the list of data types used in the files

Question 73

Which action resolves a 401 error in response to an HTTP GET that is issued to retrieve a configuration statement using RESTCONF on a CSR 1000V?

1. Change the HTTP method to PUT.
2. Check the MIME types in the HTTP headers.
3. Change the transport protocol to HTTPS.
4. Check the authentication credentials.

Question 74

What is a benefit of organizing code into modules?

1. reduces the length of code
2. enables code to be multifunctional
3. enables the reuse of code
4. improves overall performance

Question 75

What is a capability of the AXL API?

1. It signs a user in to a phone that is configured for extension mobility.
2. It pulls logs for the Cisco Tomcat service.
3. It authenticates users who exist in Cisco Unified Communications Manager.
4. It provides support for HTTP and HTTPS communications.

Question 76

Which HTTP response status code means `Forbidden`?

1. 500
2. 401
3. 403
4. 502

Question 77

Which description of a default gateway is true?

1. It is a security feature that denies certain traffic.
2. It is a device that receives IP packets that have no explicit next-hop in the routing table.
3. It is a feature that translates between public and private addresses.
4. It is a device that receives Layer 2 frames with an unknown destination address.

Question 78

Which configuration management tool has an agentless capability?

1. Puppet
2. CFEngine
3. Ansible
4. Chef

Question 79

Which two types of NAT are used in a network? (Choose two.)

1. routed NAT
2. static NAT
3. multicast NAT
4. normal NAT
5. dynamic NAT

Question 80

What is the difference between YAML and JSON data structure?

1. YAML uses spaces; JSON uses parentheses
2. YAML uses indentation; JSON uses brackets and braces
3. YAML uses brackets and braces; JSON uses indentation
4. YAML uses parentheses; JSON uses spaces

Question 81

Which detail is included in a routing table?

1. broadcast address
2. TCP or UDP port number
3. IP protocol
4. destination next hop or outgoing interface

Question 82

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

1. clients receive responses with a task ID for further processing
2. clients subscribe to a webhook for operation results
3. clients poll for the status of the execution of operations
4. clients can access the results immediately

Question 83

Which type of HTTP method is used by the Meraki and Webex Teams APIs to send webhook notifications?

1. HTTP POST
2. HTTP GET
3. HTTP HEAD
4. HTTP PUT

Question 84

Which OWASP threat takes advantage of a web application that the user has already authenticated to execute an attack?

1. phishing
2. DoS
3. brute force attack
4. CSRF

Question 85

Into which type of Python data structure should common data formats be parsed?

1. sequence
2. set
3. dictionary
4. list

Question 86

What is the outcome of executing this command? git clone ssh://john@example.com/path/to/my-project.git

1. creates a local copy of a repository called "my-project"
2. initiates a new Git repository called "my-project"
3. creates a copy of a branch called "my-project"
4. creates a new branch called "my-project"

Question 87

Which mechanism is used to consume a RESTful API design when large amounts of data are returned?

1. data sets
2. scrolling
3. pagination
4. blobs

Question 88

What are two use cases where webhooks are effective? (Choose two.)

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

Question 89

Which platform is run directly on top of a hypervisor?

1. bare metal systems
2. virtual machines
3. containers
4. applications

Question 90

Which two details are captured from the subnet mask? (Choose two.)

1. portion of an IP address that refers to the subnet
2. default gateway of the host
3. unique number ID assigned to the host
4. part of an IP address that refers to the host
5. network connection of a host or interface

Question 91

What is an advantage of using network programmability?

1. Manual configuration is faster.
2. No cloud abstraction occurs.
3. It removes CLI access for devices.
4. It provides for more scalable and replicable network provisioning.

Question 92

During which step of the CI/CD pipeline for infrastructure automation is code from multiple developers combined to compile and test different components?

1. integration
2. deployment
3. development
4. testing

Question 93

Which line is an example of the start of a chunk from a unified diff?

1. @@ -20191007T1200 +88,90 @@
2. @@ -88,10 +88,6 @@
3. @@ -90,88 +20191008T1349 @@
4. @@ -20191007T1200 +20191008T1349 @@

Question 94

A developer is working on a new feature and made changes on a branch named 'branch-413667549a-new'.

When merging the branch to production, conflicts occurred.

Which Git command must the developer use to recreate the pre-merge state?

1. git merge --no-edit
2. git merge --commit
3. git merge --revert
4. git merge --abort

Question 95

Package updates from a local server fail to download. However, the same updates work when a much slower external repository is used.

Why are local updates failing?

1. The server is running out of disk space.
2. The Internet connection is too slow.
3. The Internet is down at the moment, which causes the local server to not be able to respond.
4. The update utility is trying to use a proxy to access the internal resource.

Question 96

After a project is migrated to a new codebase, the `old_project` directory must be deleted. This directory has multiple read-only files, and it must be deleted recursively without prompting for confirmation.

Which Bash command must be used?

1. rmdir -p old_project
2. rm -rf old_project
3. rm -r old_project
4. rmdir old_project

Question 97

Which two use cases are supported by Meraki APIs? (Choose two.)

1. Build location-aware apps from Wi-Fi and LoRaWAN devices.
2. Build a custom Captive Portal for Mobile Apps.
3. Configure network devices via the Dashboard API.
4. Deploy applications onto the devices.
5. Retrieve live streams from a Meraki Camera.

Question 98

Which device is a system that monitors and controls incoming and outgoing network traffic based on predetermined security rules?

1. router
2. switch
3. load balancer
4. firewall

Question 99

Which status code is used by a REST API to indicate that the submitted payload is incorrect?

1. 400
2. 403
3. 405
4. 429

Question 100

Which implementation creates a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire?

1. WLAN
2. VLAN
3. IPsec
4. HSRP

Question 101

What is a benefit of a distributed version control system?

1. encourages users to commit small pieces of work to the system more frequently
2. ensures that all code meets minimum standards before being committed to the system
3. allows users to work on the codebase even when not connected to the Internet
4. ensures that all code is tested before being committed to the system

Question 102

What is a benefit of using functions in the code for the development process?

1. better user experience in the end product
2. improves code performance
3. easier to compile the code
4. faster code development

Question 103

Which platform is used to programmatically create a space and invite users for collaboration?

1. Cisco Intersight
2. Cisco Finesse
3. Cisco Webex
4. Cisco UCM

Question 104

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

1. git checkout -b my-bug-fix
2. git branch -b my-bug-fix
3. git branch my-bug-fix
4. git checkout my-bug-fix

Question 105

A developer needs to prepare the file README.md in the working tree for the next commit operation using Git.

Which command needs to be used to accomplish this?

1. git -a README.md
2. git add README.md
3. git add README.md staging
4. git commit README.md

Question 106

What are two advantages of the Model-View-Controller software design pattern? (Choose two.)

1. allows for multiple views of the same model
2. separates responsibilities of the code, which makes future modifications easier
3. simplifies network automation
4. makes code easier to deploy using CI/CD pipelines
5. reduces the need for error handling

Question 107

Which protocol runs over TCP port 22?

1. SSH
2. NETCONF
3. HTTP
4. Telnet

Question 108

Which two situations align with infrastructure as code principles? (Choose two.)

1. nonreplicable snowflake servers
2. release versions to specific hardware
3. maximized configuration drift
4. easily reproducible systems
5. repeatable processes

Question 109

A developer needs a list of clients connected to a specific device in a Meraki network. After making a REST API call, the developer receives an unfamiliar response code.

Which Cisco DevNet resource should be used to identify the meaning of the response code?

1. API documentation
2. Code Exchange
3. Learning Labs
4. Sandbox

Question 110

Why would a developer compare a current version of code to a previous version?

1. to provide the single source of truth
2. to troubleshoot code failures
3. to track who made a change
4. to aid in collaboration

Question 111

Which protocol must be allowed on the firewall so that NTP services work properly?

1. TCP
2. ICMP
3. BGP
4. UDP

Question 112

In Python, which expression checks whether the script returns a success status code when the Requests library is used?

1. response.status_code == requests.codes.ok
2. response.code == requests.codes.ok
3. response.status_code == requests.ok
4. response.status_code != requests.codes.ok

Question 113

What is a capability of the NETCONF protocol?

1. allows Python scripts to be executed externally from a network device
2. uses JSON to encode data in its content layer
3. allows XML messages to be exchanged via the SSH protocol
4. exposes a web-based interface

Question 114

What is a comparison of YAML and JSON?

1. YAML has a more consistent approach to representing data compared to JSON.
2. JSON does not support comments and YAML does.
3. YAML is a more verbose data structure compared to JSON.
4. JSON has more common usage in configuration management tools compared to YAML.

Question 115

Which action do webhooks enable an application to perform?

1. Increase the request rate limit.
2. Populate the application with restricted data.
3. Receive real-time data.
4. Implement a push model.

Question 116

Which CI/CD tool is an automation tool used to build, test, and deploy software?

1. Git
2. Gradle
3. Nagios
4. Jenkins

Question 117

What are two benefits of using classes over functions when writing applications? (Choose two.)

1. improved readability
2. increased compatibility
3. variable reusability
4. increased performance
5. code organization

Question 118

Which tool is used to block all traffic to the domain by using a single API call?

1. Cisco Firepower
2. Cisco AMP
3. Cisco Umbrella
4. Cisco ISE

Question 119

A local Docker alpine image has been created with an image ID of a391665405fe and tagged as `latest`.

Which command creates a running container based on the tagged image, with the container port 80 bound to port 8080 on the host?

1. docker build -p 8080:80 alpine:latest
2. docker exec -p 8080:80 alpine:latest
3. docker start -p 8080:80 alpine:latest
4. docker run -p 8080:80 alpine:latest

Question 120

A developer has created a new image to use in a Docker build and has added a tag for the image by using the command:

$ docker tag 84fe411926287 local/app:0.4

Which command must be executed next to build the Docker image using the tag?

1. $ docker build -p local/app:0.4
2. $ docker run -t local/app:0.4
3. $ docker run -p local/app:0.4
4. $ docker build -t local/app:0.4

Question 121

A developer is reviewing a code that was written by a colleague. It runs fine, but there are many lines of code to do a seemingly simple task repeatedly.

Which action organizes the code?

1. Refactor the code by removing any unnecessary tests.
2. Reverse engineer and rewrite the code logic.
3. Using functions, rewrite any pieces of code that are repeated.
4. Modify the code to use loops.

Question 122

While developing a real-time VoIP application on a Cisco Webex platform, users report that their voice gets chopped or parts of the conversation drop out.

Which network constraint is impacting the application?

1. jitter
2. capacity
3. delay
4. latency

Question 123

What is the purpose of a firewall in application deployment?

1. adds TLS support to an application that does not support it natively
2. limits traffic to only ports required by the application
3. provides translation for an application's hostname to its IP address
4. forwards traffic to a pool of instances of the application

Question 124

What are two benefits of using VLANs? (Choose two.)

1. limits the devices that can join the network
2. enables the logical grouping of devices that belong to different Layer 2 devices
3. segments the broadcast domain
4. allows all network devices to be accessible from any host on the network
5. extends the broadcast domain

Question 125

What is the meaning of the HTTP status code 204?

1. request completed; new resource created
2. server successfully processed request; no content returned
3. standard response for successful requests
4. invalid query parameters

Question 126

A new application is being developed with specific platform requirements. The platform and application deployment and the ongoing platform management must be fully automated. The application includes a large database component that has significant disk I/O requirements.

Which application deployment type meets the requirements?

1. Python virtual environment
2. virtual machine
3. bare metal
4. container

Question 127

An application calls a REST API and expects a result set of more than 550 records, but each time the call is made, only 25 are returned.

Which feature limits the amount of data that is returned by the API?

1. pagination
2. payload limit
3. service timeouts
4. rate limiting

Question 128

What is the purpose of a MAC address?

1. to uniquely identify a switch in a LAN
2. to uniquely identify a router in a LAN
3. to uniquely identify a network interface in a LAN
4. to uniquely identify a device on the Internet

Question 129

Why is refactoring done during test-driven development?

1. to enable larger objects and longer methods
2. to improve maintainability and readability
3. to ensure that the previous uses of the objects are explained
4. to ensure the duplication of essential code

Question 130

Where is an IP packet routed if the packet does not match any routes in the routing table?

1. firewall
2. load balancer
3. central switch
4. default gateway

Question 131

Which two items are Cisco DevNet resources? (Choose two.)

1. TAC Support
2. Software Research
3. API Documentation
4. Bitbucket
5. Sandbox

Question 132

Which OWASP threat occurs when untrusted data is supplied as input to an interpreter as part of a command or query?

1. broken authentication
2. data exposure
3. injection
4. cross-site scripting

Question 133

What are two characteristics of Bare Metal environments that are related to application deployment? (Choose two.)

1. specifically designed for container-based workloads
2. suitable for legacy applications that do not support virtualization
3. provides workloads with access to hardware features
4. not compatible with other cloud services such as PaaS or SaaS offerings
5. provides the hypervisor to host virtual servers

Question 134

What is a characteristic of the Cisco Finesse platform?

1. Applications allow services to be invoked on a network triggered event.
2. The platform provides a ready-to-go platform for HD video and audio conferencing.
3. Applications are added to the platform from the desktop remotely.
4. The platform includes an enterprise-class IM engine.

Question 135

What should a CI/CD pipeline aim to achieve?

1. to require minimal manual interaction
2. to allow manual testing before deployment
3. to support new deployments on a fixed monthly schedule
4. to provide a documented process for feedback

Question 136

Which two commands download and execute an Apache web server container in Docker with a port binding 8080 in the container to 80 on the host? (Choose two.)

1. docker pull apache
2. docker run -p 8080:80 httpd
3. docker run -p 80:8080 httpd
4. docker pull httpd
5. docker pull https

Question 137

How do XML and JSON compare regarding functionality?

1. XML provides more support for mapping data structures into host languages than JSON.
2. XML provides more human readability than JSON.
3. JSON provides less support for data types than XML.
4. JSON natively supports arrays and XML does not natively support arrays.

Question 138

Which Cisco product provides malware and content filtering through DNS?

1. Cisco ASA Firepower module
2. Cisco AMP
3. Cisco ISE
4. Cisco Umbrella

Question 139

Which HTTP code group is issued when a request is received successfully, understood, and processed?

1. 2xx
2. 3xx
3. 4xx
4. 5xx

Question 140

What is the function of an IP address in networking?

1. represents a network connection on specific devices
2. specifies the type of traffic that is allowed to roam on a network
3. specifies resource's location and the mechanism to retrieve it
4. represents the unique ID that is assigned to one host on a network

Question 141

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

1. unique network address that identifies the network interface of a device
2. unique network interface address that is provided by the DHCP server
3. unique hardware address that identifies the network interface of a device
4. unique hardware interface address that is provided by the central switch

Question 142

What are two benefits of model-driven programmability? (Choose two.)

1. easier to design, deploy, and manage APIs
2. single choice of transport, protocol, and encoding
3. models decoupled from transport, protocol, and encoding
4. model-based, structured, and human friendly
5. model-driven APIs for abstraction and simplification

Question 143

Which API is used to obtain data about voicemail ports?

1. Webex Teams
2. Cisco Unified Communications Manager
3. Finesse Gadgets
4. Webex Devices

Question 144

In DNS, which record specifies an alias that refers to another name that ultimately resolves to an IP address?

1. CNAME
2. NS
3. AAA
4. SOA

Question 145

Which protocol is used for clock synchronization between network devices?

1. FTP
2. NNTP
3. BGP
4. NTP

Question 146

What are two benefits of implementing common data structures when working with APIs in remote systems? (Choose two.)

1. ensures that developers are limited to using one data schema type
2. prevents multivendor interoperability
3. improves security in RESTful web services
4. enforces standardized data structures
5. leverages code that is easily managed and reused

Question 147

What is a benefit of a CI/CD pipeline for infrastructure?

1. removes manual errors
2. enables manual steps
3. removes the need for operations
4. provides variety for deployments

Question 148

Which Cisco platform provides organization-wide automation, security, policy enforcement, and agility across wired and wireless networks?

1. Cisco SD-WAN
2. Cisco DNA Center
3. Cisco ACI
4. Cisco Umbrella

Question 149

An engineer deploys a Cisco CSR 1000 V instance to a virtual machine. The engineer must output the device configuration in JSON format.

Which protocol is used for this task?

1. YANG
2. NETCONF
3. SNMP
4. RESTCONF

Question 150

A developer is working on a feature for a new application. The changes in the existing branch named 'feat00304' must be integrated into a single commit with the current working primary branch named 'prodapp411926287'.

Which git command must be used?

1. git rebase --merge feat00304
2. git merge --squash feat00304
3. git push --rebase feat00304
4. git checkout --squash feat00304

Question 151

Which two query types does a client make to a DNS server? (Choose two.)

1. Inverse
2. PTR
3. AAAA
4. ACK
5. DISCOVER

Question 152

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?

1. multi
2. private
3. hybrid
4. public

Question 153

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

1. devnet > output.txt
2. devnet | output.txt
3. devnet < output.txt
4. devnet & output.txt

Question 154

What is the Git command to delete a local branch named `experiment` without a warning?

1. git branch -rm experiment
2. git branch -n experiment
3. git branch -f experiment
4. git branch -D experiment

Question 155

Which two NETCONF operations cover the RESTCONF GET operation? (Choose two.)

1. <get>
2. <get-config>
3. <get-update>
4. <modify-config>
5. <edit>

Question 156

Which Cisco DevNet resource allows access to products in a development lab to explore, learn, and build applications that use Cisco APIs?

1. DevNet Code Exchange
2. DevNet Sandbox
3. DevNet Communities
4. DevNet Automation Exchange

Question 157

Which HTTP error code series relates to redirection?

1. 400
2. 500
3. 200
4. 300