SA4 DEVNET
Mastering DEVNET: Test Your Knowledge
Welcome to the SA4 DEVNET Quiz! This quiz consists of 31 thoughtfully crafted questions designed to evaluate your understanding of key concepts in DevOps, automation, networking, and related technologies. Whether you're a student, professional, or simply passionate about IT, this quiz provides an excellent opportunity to challenge yourself and learn more.
Key Features:
- 31 diverse questions
- Instant feedback on your answers
- Test your knowledge against industry standards
What is the most common cause of IT outages?
A threat actor targeting the enterprise equipment
An experienced engineer implementing a configuration using automation
An engineer misconfiguring a device or network with manual changes
An experienced engineer using an open source product
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
A component that is classified as open source and does not require the implementation of specific vendor products
A component that may function in a limited ability in order to compensate for the selection of companion components or architectures
A component that requires a specific companion component in order to provide full stack implementation
In the use of container technologies, what is a function of platform abstraction when considering the deployment of a product in a cloud environment?
Traditional complementary software components such as a database server and web server would be implemented as a single containerized application.
Applications require re-engineering in order to implement scalability and consolidation.
A containerized app can run on a generically-specified host environment.
Applications are aware of underlying hardware configurations and are customized to provide increased functionality.
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 both VMs and tries to verify communications to the CSR1000v VM by opening a web browser on the local computer and enters the URL https://192.168.56.101. After a few seconds, an error message displays that “The connection has timed out”. How can the student verify the IP address assigned by DHCP to the CSR1000v virtual router?
Issue the ping 192.168.56.101 command on the local computer.
Issue the show ip interface brief command in the CSR1000v VM.
Issue the show running-config command in the CSR1000v VM.
Issue the ifconfig 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.
Operations had the job of brainstorming applications. Developers had the job of testing that these applications work for users and the business.
Operations had the job of testing applications. Developers had the job of implementing these applications for clients.
Developers had the job of testing applications. Operations had the job of implementing these applications for clients.
How is an error budget calculated in the DevOps/SRE culture?
An error budget is the difference between the SLO and the SLI.
An error budget is the difference between the SLO and 100% availability.
An error budget is the difference between the SLO and the SLA.
An error budget is the difference between the 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 specific set of steps for slowing releases as errors occur.
An SLI is an easy to complete, external agreement that is set between the organization and the customer.
An SLI is a benchmark metric used to determine and describe SLOs.
An SLI is an agreed-upon number of errors per unit time.
What is the default shell commonly used on macOS and Linux?
Bash
Csh
Tcsh
Bourne
Which type of automation includes scripting that may be dangerous if the starting state is not completely known and controlled?
Stateful
Stateless
Declarative
Procedural
What is an imperative procedure?
An ordered sequence of commands that is used to reach a specific end state.
A set of commands that require administrator privileges and can only be executed on a local system.
A set of commands that is piped to a remote host and immediately executed.
A set of commands that examines a target and only performs the tasks needed to achieve the desired 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.
A declarative model will execute code that is sequentially task-driven instead of focusing on deployment-specific details.
A declarative model will follow a specific order of sequential steps in order to effect changes on a target system.
A declarative model will subdivide code into top-down sections and condition-driven handlers.
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, an error message returns. What are two possible causes for the error? (Choose two.)
The SSH credential is wrong.
The destination host IP address is wrong.
The switch -m should be -M
The SSH client is not installed.
The destination host alias is wrong.
The SSH service does not start on the host.
Which component in the pyATS ecology handles bundling and running jobs?
EasyPy
AEtest
Genie
Clover
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
Pyats
Knife
Source
List
While working in the Ansible code structure, which type of file contains a sequence of tasks, executed in top-down order?
Virl
Yml
Py
Txt
What is a standard command to create a Python virtual environment?
Sudo apt-get install python3-pip
Pip install [options] [package-index-options]…
Python3 -m venv /path/to/new/virtual/environment
Source bin/activate
Which underlying technology makes it possible for Cisco Umbrella to prevent a user from accessing a blocked site?
DNS
HTTP and HTTPS
Cisco Firewall
DHCP
Which language is used by the NETCONF protocol to encode both the configuration data and protocol messages?
XML
YAML
HTML
JSON
What are the three main capabilities provided by Cisco AMP? (Choose three.)
Annihilation
Detection
Responses and automation
Redirection
Relaying
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 get termination call detail (TCD) reports.
They can be used to get the call history of an agent.
They can be used to build a fully functioning agent desktop.
They can be used to build custom OpenSocial gadgets.
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 integrates with the Webex Devices API.
It provides error reporting.
It provides access to more API calls within Webex Teams.
It manages requests with pagination.
It is better supported than the Webex Teams APIs.
Refer to the exhibit. Which data format is used to describe the list of interfaces?
JSON
YANG
XML
YAML
Which two statements describe the usage of Cisco Finesse JavaScript APIs? (Choose two.)
They can be used to get the call history of an agent.
They can be used to build custom gadgets to be placed into applications other than Finesse.
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.
They can be used to build a fully functioning agent desktop.
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 determines whether unauthorized users will try again.
The 403 return code would indicate that the client definitely has an invalid API key.
The 404 return code prevents the system from indicating the existence of resources to unauthorized users.
The 403 return code would indicate that there are no resources at that endpoint but the API key could be correct.
What does Cisco ISE do when it identifies a user or device accessing the network?
It logs the access attempt.
It automatically and securely places the device and user into the right part of the network.
It processes the originating IP address according to a whitelist.
It quarantines the device and user until an administrator releases the quarantine.
How are service profiles used by Cisco UCS Manager?
Cisco USC Manager uses an assigned service profile to each instance to define network policy.
Cisco UCS Manager uses service profiles to assign a unique identity to the server associated with each profile.
Cisco UCS Manager saves service profiles to recover servers in case of data loss.
Cisco UCS Manager uses service profiles as templates to provision policies to multiple versions of the same server.
Which function does the AXL interface provide for users?
Provisions and manages objects in the Unified Communication Management Administration Console
Looks up the top ten OWASP vulnerabilities and identifies which endpoints are vulnerable
Updates network device configurations with a rollback mechanism
Provisions Webex Devices and customizes each display
What are three primary YANG sources in Cisco NSO? (Choose three.)
Mapping model
Data models from devices
NSO data model
Configuration models
Communication model
YANG service models
What are two tasks a network administrator can perform with Cisco UCS Director? (Choose two.)
Manage multiple Cisco UCS Manager appliances.
Deploy and add capacity to converged infrastructures in a consistent and repeatable manner.
Load-balance data traffic.
Create, clone, and deploy service profiles and templates for all Cisco UCS servers and compute applications.
Create a direct line of communication between Cisco and non-Cisco components.
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
Shutting down the network in the event of a DDOS attack
Directing heavy data traffic to free servers
Load balancing during high-traffic time periods
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