312-38 Exam Dumps - ECCouncil CND Questions and Answers

In a tree network, each node is connected in a hierarchical manner, with the root node at the top. If a main node (such as N1 or N2) fails, all the child nodes connected to it (N11, N12 for N1 and N21, N22 for N2) will be affected because the tree structure relies on the connectivity of the parent node to its children. The failure of a main node will disrupt the transmission path from the root to the child nodes, leading to a loss of connectivity for those child nodes. This is consistent with the principles of network resilience and fault tolerance as outlined in the EC-Council’s Certified Network Defender (CND) program, which emphasizes the importance of each node in maintaining the network’s overall integrity.

References: The explanation is based on the standard network topologies and fault tolerance principles covered in the EC-Council’s Certified Network Defender (CND) curriculum.

The technique Cindy is using is known as a SYN scan, also referred to as a half-open scan. This method involves sending SYN packets to initiate a TCP connection. If a SYN/ACK response is received, it indicates that the port is listening (open). Cindy then sends an RST packet to close the session before the handshake is completed. This type of scan is useful for mapping out live hosts on a network without establishing a full TCP connection, which can be logged by intrusion detection systems and is less likely to be logged by the host system.

References: The Certified Network Defender (CND) course by EC-Council includes network scanning techniques as part of its curriculum, where the SYN scan is discussed as a method for assessing network security. For more detailed information, refer to the CND study guide and materials that cover network scanning methods and their implications on network security.

 In the context of containerization, setting resource limits is crucial for ensuring that applications do not consume more than their fair share of system resources. Michelle can limit a container to use only 2 CPUs by using the --cpus flag when running a container. This flag allows the user to specify the amount of CPU the container is limited to use. For example, --cpus="2" would restrict the container to using no more than two CPU cores.

References: This information is based on standard practices for managing Docker containers and their resources. The --cpus flag is a well-documented feature in Docker’s command-line interface for controlling CPU usage1.

Implicit Authorization is a type of authorization that allows users to access resources on behalf of others without the need for explicit permission from the resource owner each time. This is commonly implemented through OAuth, where a user grants a third-party application access to their information on another service without sharing their credentials. The application receives an access token that permits it to act on behalf of the user, accessing only what the user is authorized to access.

References: The OAuth framework is a prime example of Implicit Authorization, as it enables applications to obtain access tokens for authorization to protected resources, acting on the user’s behalf123.

The NIST Risk Management Framework (RMF) is a structured process that integrates security, privacy, and cyber supply chain risk management activities into the system development life cycle (SDLC). It provides a disciplined and structured process that integrates information security and risk management activities into the SDLC. The RMF is designed to help organizations manage the security of their information systems by guiding them through a step-by-step process that includes categorizing information systems, selecting and implementing appropriate security controls, assessing the effectiveness of the controls, authorizing information system operation, and continuously monitoring the security state of the system.

References:

• NIST Special Publication 800-37, Guide for Applying the Risk Management Framework to Federal Information Systems: A Security Life Cycle Approach1.
• NIST Special Publication 800-64, Revision 2, Security Considerations in the System Development Life Cycle2.
• NIST’s official website on the Risk Management Framework (RMF)3.

The Parabolic Grid antenna is designed based on the principle of a satellite dish. This type of antenna can focus the radio waves onto a particular direction and is capable of picking up Wi-Fi signals from very long distances, often ten miles or more, depending on the specific design and conditions. It is highly directional and has a narrow focus, making it ideal for point-to-point communication in long-range Wi-Fi networks.

References: The EC-Council’s Certified Network Defender (CND) course materials include information on various types of antennas and their uses in network defense. The Parabolic Grid antenna is mentioned as a type of antenna that can pick up signals from a great distance, which aligns with the principles of satellite dishes as described in the CND study guide1.

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.

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.