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DevNet Mod7-8
| Term | Definition |
|---|---|
| What is the most common cause of IT outages? | an engineer misconfiguring a device or network with manual changes |
| What is an unopinionated component in a software ecosystem? | a component that does not show an increased preference for specific companion components or architectures unless those components or architectures are necessary |
| In the use of container technologies, what is a function of platform abstraction when considering the deployment of a product in a cloud environment? | A containerized app can run on a generically-specified host environment. |
| A student is setting up the DEVASC-LAB VM and CSR1000v VM in VirtualBox that is installed on the local computer. Both VMs are imported to the VirtualBox successfully. The student starts -- | Issue the show ip interface brief command in the CSR1000v VM. |
| What is the historical correlation between software developers and IT operations? | Developers had the job of creating applications. Operations had the job of verifying that these applications work for users. |
| How is an error budget calculated in the DevOps/SRE culture? | An error budget is the difference between the SLO and 100% availability. |
| In reviewing a formalized agreement between an organization and a customer, what is the purpose of an SLI? | An SLI is a benchmark metric used to determine and describe SLOs. |
| What is the default shell commonly used on macOS and Linux? | Bash |
| Which type of automation includes scripting that may be dangerous if the starting state is not completely known and controlled? | procedural |
| What is an imperative procedure? | An ordered sequence of commands that is used to reach a specific end state. |
| Which statement describes the declarative static model? | A declarative model will examine present circumstances and bring real infrastructure into alignment in order to reach a desired state. |
| Refer to the exhibit. A user is working on Ansible on the local NMS to manage remote network devices. The user issues the ansible webservers -m ping command to test the communication. However, -- What are two possible causes for the error? (Choose two.) | The destination host IP address is wrong.; The SSH service does not start on the host. |
| Which component in the pyATS ecology handles bundling and running jobs? | EasyPy |
| An engineer has just created a backup file of a Cisco VIRL network simulation. Which command should be used to compare the most recent .virl file with the previous backup file? | diff |
| While working in the Ansible code structure, which type of file contains a sequence of tasks, executed in top-down order? | .yml |
| What is a standard command to create a Python virtual environment? | python3 -m venv /path/to/new/virtual/environment |
| Which underlying technology makes it possible for Cisco Umbrella to prevent a user from accessing a blocked site? | DNS |
| Which language is used by the NETCONF protocol to encode both the configuration data and protocol messages? | XML |
| What are the three main capabilities provided by Cisco AMP? (Choose three.) | detection ; responded and automation ; prevention |
| Which three functions are provided by Cisco Finesse REST APIS? (Choose three.) | They can be used to integrate into existing applications to add contact center functionality. ; They can be used to build a fully functioning agent desktop. ; They can be used to build a script to automate tasks. |
| Which two benefits are provided by the Python-based WebEx Teams SDK? (Choose two.) | It provides error reporting. ; It manages requests with pagination. |
| Refer to the exhibit. Which data format is used to describe the list of interfaces? | YANG |
| Which two statements describe the usage of Cisco Finesse JavaScript APIs? (Choose two.) | They can be used to embed existing web pages into a custom gadget. ; They can be used to build a custom gadget for the agent state workflow. |
| Why does the Meraki dashboard API return a 404 rather than a 403 code in response to a request with an invalid API key? | The 404 return code prevents the system from indicating the existence of resources to unauthorized users. |
| What does Cisco ISE do when it identifies a user or device accessing the network? | It automatically and securely places the device and user into the right part of the network. |
| How are service profiles used by Cisco UCS Manager? | Cisco UCS Manager uses service profiles to assign a unique identity to the server associated with each profile. |
| Which function does the AXL interface provide for users? | provisions and manages objects in the Unified Communication Management Administration Console |
| What are three primary YANG sources in Cisco NSO? (Choose three.) | data models from devices ; NSO data model ; YANG service models |
| What are two tasks a network administrator can perform with Cisco UCS Director? (Choose two.) | Deploy and add capacity to converged infrastructures in a consistent and repeatable manner. ; Create, clone, and deploy service profiles and templates for all Cisco UCS servers and compute applications. |
| What are two actions taken by Firepower for traffic control? (Choose two.) | using security intelligence data to filter traffic, including IP addresses, address blocks, domain names, and URLs ; controlling which websites are available to the users on the network |
| What are two types of YANG models? (Choose two.) | native model ; open model |
| What is a characteristic of the Yet Another Next Generation (YANG) data model? | It uses a tree structure. |
| Which two application-specific media types can be used for RESTCONF to identify a YANG construct? (Choose two.) | application/yang-data+xml ; application/yang-data+json |
| What is the name of the Cisco SD-WAN dashboard? | vManage |
| What is Cisco Finesse? | a browser-based contact center agent and supervisor desktop |
| Which Software as a Service (SaaS) management platform offers API keys for remote or service access? | Cisco Intersight |
| Which Cisco SDK is primarily a call widget that is embedded in an iframe within another web page for Cisco UCS application? | Jabber Guest SDK for Web |
| A developer is using a REST API to develop an application to communicate with a Webex Teams server. What is the default maximum number of items that can be returned by the Webex Teams API prior to using pagination? | 100 |
| Refer to the exhibit. A network administrator is developing an application that communicates with Cisco AMP using an AMP API. A response from an AMP service shows the API rate limits -. What is the unit of value indicated under the item x-ratelimit-limit? | requests |
| What is the default TCP port assigned for NETCONF over SSH? | 830 |
| Where can a corporate developer access the API Explorer with the Firepower Threat Defense API? | the URL address of the device itself |
| What is the average cost per hour of an enterprise outage for the largest enterprises? | $300,000.00 per hour |
| What is idempotency in IT automation? | the quality of software |
| A student is creating an Ansible playbook to practice management automation of a Cisco router. Which command should the student add to the playbook to find the interface names, assigned IP addresses, and status of interfaces on the router? | show ip interface brief |
| When following the best practices and core principles of DevOps, how is failure considered? | Failure is normal. |
| What is a canary deployment? | the switchover of selected users to a new release deployment |
| What are two challenges of cloud computing technologies? (Choose two.) | maintaining access control ; managing costs |
| Which technology can run on bare metal or on large virtual machines to simulate Cisco networks and utilities? | VIRL |
| An analyst is using Ansible to perform remote management tasks on network devices. Which file type is in the Ansible file structure that describes the devices under management? | inventory file |
| What is an error budget in the DevOps/SRE culture? | It is a method for measuring allowable errors as a gate on release speed. |
| Which programming language is used by Chef to execute the recipes? | Ruby |
| A developer issues a Linux command python3 -m venv devenv. What is the developer trying to achieve? | to create a Python 3 virtual environment named devenv |
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