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Refer to the exhibit.
The script returns an output of 401. To use the supplied URL. an HTTP GET request must Be sent with an Authorization header. The header value is a BaseG4 encoded concatenation of the username and password. Which action must be taken to return an output of 200?
The script returns a 401 Unauthorized response, indicating that the request lacks proper authentication. To resolve this, you must include an Authorization header in the HTTP GET request. The value of this header should be the Base64 encoded string of the username and password in the format username:password. This is necessary to authenticate the request and receive a 200 OK response.
Cisco DevNet Associate Study Guide: REST API Authentication Methods (Chapter 7, Section: HTTP Basic Authentication).
To which stage of development do Infrastructure as Code principles relate?
Infrastructure as Code (IaC) principles relate to the service provisioning stage of development. IaC involves managing and provisioning computing infrastructure through machine-readable definition files, rather than through physical hardware configuration or interactive configuration tools.
Service Provisioning: IaC allows for the automated deployment and management of infrastructure resources. This includes servers, databases, networks, and other components necessary for running applications and services.
Automation and Consistency: IaC ensures that the infrastructure is provisioned consistently and repeatably, reducing the chances of human error and increasing efficiency.
Cisco DevNet Associate Certification Guide
Infrastructure as Code (IaC) Principles
Which network device monitors incoming and outgoing traffic and decides whether to allow or block specific traffic based on a defined set of rules?
A firewall is a network device that monitors incoming and outgoing traffic and decides whether to allow or block specific traffic based on a defined set of rules.
Function of a Firewall:
Traffic Monitoring: It continuously monitors all traffic passing through it.
Rule-Based Filtering: It applies predefined security rules to allow or deny traffic.
Protection: It protects networks from unauthorized access and cyber threats.
Comparison with Other Devices:
Switch: A network device that connects devices within a LAN and uses MAC addresses to forward data to the correct destination.
Load Balancer: Distributes network or application traffic across multiple servers to ensure no single server becomes overwhelmed.
Reverse Proxy: A server that sits in front of web servers and forwards client requests to those web servers.
Therefore, a firewall is the correct answer because it specifically monitors and filters network traffic based on security rules.
Cisco Firewalls Overview: Cisco Firewall Products
Refer to the exhibit.
An engineer wants to create a Bash script to automate a workflow that is related to a machine learning-based application. The engineer wants to use the application as a container and use an image from the open-source public repository. What is accomplished by the script?
The Bash script shown in the exhibit performs the following actions:
Updates the list of available packages using brew update.
Installs Docker using brew install docker.
Upgrades pip and installs tensorflow and pytorch using pip install.
Pulls the latest TensorFlow Docker image using docker pull tensorflow/tensorflow:latest.
This script is designed to install the necessary software packages (Docker, TensorFlow, PyTorch) required for a machine learning-based application. It does not create or remove any software packages but installs them.
Cisco DevNet Associate Certification Guide
Docker Documentation
Homebrew Documentation
Pip Documentation
What should a CI/CD pipeline aim to achieve?
A CI/CD (Continuous Integration/Continuous Deployment) pipeline aims to automate the process of integrating code changes, testing them, and deploying them to production with minimal manual intervention. This automation improves efficiency, reduces errors, and ensures consistency across deployments. The key goal is to streamline and expedite the software development lifecycle by allowing developers to focus more on coding and less on the deployment process. Manual interaction is minimized to maintain the flow and reliability of the pipeline. Reference: Cisco DevNet Associate Certification Guide, Chapter 5, Section on CI/CD Pipelines.
