312-38 Exam Dumps - Certified Network Defender (CND)

 Para virtualization is a virtualization technique where the guest operating system is aware of the virtual environment and can communicate directly with the host machine’s hypervisor to request resources. This direct communication allows for a more efficient system, as it does not require the same level of emulation and overhead as full virtualization. In para virtualization, the guest OS is typically modified to interact with a thin layer of software called a hypervisor, which coordinates access to the physical hardware resources. This setup is designed to reduce the performance overhead that typically occurs with full virtualization, where the guest OS must go through a more complex abstraction layer to access resources.

References: The information provided is based on standard practices of para virtualization in network security and aligns with the Certified Network Defender (CND) curriculum, which includes understanding various virtualization techniques as part of network infrastructure management12.

WPA3, or Wi-Fi Protected Access 3, is the latest security certification program developed by the Wi-Fi Alliance that provides enhanced password protection, secured IoT connections, and encompasses stronger encryption techniques. WPA3 introduces several enhancements over its predecessor, WPA2, including:

• Better protection for simple passwords: WPA3-Personal uses the Simultaneous Authentication of Equals (SAE) which provides protection against password guessing attacks even when users choose simpler passwords.
• Enhanced encryption for personal networks: It employs individualized data encryption to protect against eavesdropping on Wi-Fi networks, and it uses a more secure encryption algorithm, Galois/Counter Mode Protocol (GCMP-256), compared to the Advanced Encryption Standard (AES) used in WPA2.
• Improved security protocols for enterprise networks: WPA3-Enterprise offers the equivalent of 192-bit cryptographic strength, providing additional layers of authentication and data protection for enterprise networks.
• Wi-Fi Enhanced Open for open networks: This feature encrypts traffic on open networks without requiring a password, increasing the privacy and security of users connecting to public Wi-Fi hotspots.

References: These details are based on the latest information available on WPA3’s impact on IoT device security and its comparison to WPA2123.

In cybersecurity, risk is represented by the combination of an asset, a threat, and a vulnerability. This means that for a risk to exist, there must be something of value (an asset) that could be negatively impacted, a potential source of harm (a threat), and a weakness that could be exploited (a vulnerability). The presence of an asset alone does not constitute a risk without the potential for a threat to exploit a vulnerability. Similarly, a threat without the ability to exploit a vulnerability does not pose a risk to an asset. Therefore, the representation of risk encompasses all three elements: the asset that needs protection, the threat that could cause harm, and the vulnerability that could allow the threat to affect the asset.

References: This definition aligns with the principles of risk management and cybersecurity frameworks, such as those from the National Institute of Standards and Technology (NIST) and is consistent with the EC-Council’s Certified Network Defender (CND) program guidelines1234.

Network sniffing is a technique used to capture and analyze packets traveling across a network. Through network sniffing, one can potentially gain access to a variety of sensitive information, depending on the protocols being used and the security measures in place.

• Telnet Passwords (A): Telnet is an older protocol that transmits data, including login credentials, in clear text. This makes Telnet passwords particularly vulnerable to network sniffing1.
• Syslog Traffic (B): Syslog is a standard for message logging. If not properly secured, syslog traffic can be intercepted, revealing system messages and metadata about network activities1.
• DNS Traffic ©: DNS traffic includes queries and responses that can be captured to reveal which domains are being requested by users on the network. This can provide insights into user behavior and network structure1.
• Programming Errors (D): While network sniffing can capture packets that may contain the results of programming errors, such as error messages or malformed packets, it does not directly reveal the programming errors themselves. Sniffing tools capture the traffic but do not analyze the code within the applications generating that traffic.

References: The information has been verified from the EC-Council’s resources on network sniffing and network defense strategies, which discuss the types of data that can be captured through sniffing and the implications for network security123.

The Chief Information Officer (CIO) is typically responsible for the implementation and management of policies and plans that support an organization’s IT and computer systems. The CIO’s role involves overseeing the IT department, aligning IT goals with business strategies, and ensuring that the IT infrastructure is capable of supporting the organization’s operations and objectives. They play a crucial role in decision-making processes related to technology investments and are instrumental in executing the organization’s IT policies and strategic plans.

References: This information is consistent with the roles and responsibilities outlined for IT management in the EC-Council’s Certified Network Defender (CND) program, which emphasizes the importance of leadership and strategic direction in network security12.

The Docker Daemon is responsible for managing Docker images, containers, networks, and storage volumes, as well as processing requests from the Docker API. The Docker daemon (dockerd) listens for Docker API requests and manages these Docker objects1. It is a background service that manages the Docker containers and handles the container life cycle, which includes running, stopping, and deleting containers. It also manages networking for the containers and the storage volumes that containers use.

References: The explanation provided is based on the official Docker documentation, which outlines the responsibilities and functionalities of the Docker daemon in the context of container management1.

 Application-level gateways, also known as proxy firewalls, operate at the application layer of the OSI model and can filter traffic based on application-specific commands such as HTTP GET and POST requests. These firewalls examine the content of the traffic and make decisions based on the specifics of the application protocol. They can allow or deny traffic based on the actual commands being sent, providing a high level of security by ensuring that only valid types of transactions are completed.

References: The explanation aligns with the Certified Network Defender (CND) curriculum, which covers various firewall technologies and their capabilities in filtering and securing network traffic12.

In the PaaS (Platform as a Service) cloud service model, the cloud provider manages the infrastructure, including network, servers, operating systems, and storage. The organization’s responsibility is primarily at the application level, which includes the data, interfaces, and the applications themselves. This means the organization must ensure the security and compliance of their data, manage the applications they develop or deploy, and handle the interfaces that connect their applications to other services or users. References: The Certified Network Defender (CND) course by EC-Council discusses the shared responsibility model in cloud services, emphasizing the division of responsibilities between the cloud provider and the consumer123.