Free Practice Questions for Cisco 200-901 Exam

Docker-based applications offer several security benefits:

Easier to Patch: Docker containers include only the dependencies required by the application, making it easier to identify and patch vulnerabilities. This minimizes the attack surface and simplifies the management of security updates.

Separation of Applications: Docker containers enable the separation of applications that traditionally run on the same host. This isolation improves security by reducing the risk of one compromised application affecting others on the same host.

References:

Cisco DevNet Associate Exam Topics: Software Development and Design (understand containerization and its benefits)

Docker Security Best Practices (explains the security benefits of using Docker containers)

When package updates from a local server fail but succeed from an external repository, it is often due to misconfiguration in the update utility. One common issue is that the update utility might be configured to use a proxy, which is not required or properly set up for internal resources. This misconfiguration can cause the update utility to fail in reaching the local server.

References:

Cisco DevNet Associate Exam Topics: Infrastructure and Automation (troubleshooting and configuring network and server environments)

Linux System Administration Documentation (details on configuring package managers and handling proxy settings)

Cisco DNA Center is a network management and command center for enterprise networks, providing network controller-level management features. It offers capabilities such as automation, assurance, fabric provisioning, and policy-based segmentation, making it a comprehensive solution for managing and optimizing network performance and operations. Cisco DNA Center is part of the broader Cisco Digital Network Architecture (Cisco DNA), designed to facilitate the efficient and automated management of networks. More information can be found on the Cisco DNA Center product page.

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Grpc == http/2 , netconfig == ssh , restconfig == https

NETCONF (Network Configuration Protocol) is an IETF standard protocol used for managing network devices. By default, NETCONF operates over the SSH protocol on port 830. This default port is defined to separate NETCONF traffic from other types of SSH traffic, providing a dedicated channel for network configuration tasks.

The exhibit demonstrates an example of cross-site scripting (XSS). This type of attack involves injecting malicious scripts into web pages viewed by other users. In this example, the script is embedded into a URL, and when accessed, it displays an alert message in the web browser.

Cross-Site Scripting (XSS): A security vulnerability typically found in web applications that allows attackers to inject malicious scripts into content from otherwise trusted websites.

References: Cisco DevNet Associate Certification Guide, Chapter on Security, and OWASP documentation on Cross-Site Scripting.