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

Multilayer inspection firewalls, also known as Next-Generation Firewalls (NGFWs), are designed to provide comprehensive security by inspecting traffic across multiple layers of the TCP/IP model. These firewalls offer protection at the:

• Application Layer: They can analyze and filter traffic based on application-level protocols and payloads, such as HTTP, FTP, and DNS, providing protection against application-specific attacks.
• Transport Layer (TCP): They inspect the transport layer to monitor and control TCP/UDP traffic, preventing threats such as port scans and DoS attacks.
• Internet Layer (IP): They filter and monitor IP packets, enforcing security policies based on IP addresses and ensuring protection against IP-level attacks like IP spoofing.

By operating at these layers, multilayer inspection firewalls provide a robust defense mechanism against a wide range of network threats.

References:

• EC-Council Certified Network Defender (CND) Study Guide
• Documentation on Next-Generation Firewalls and their functionalities

 The Encrypting File System (EFS) is a feature of the NTFS file system that provides encryption at the file system level. It is designed to work specifically with NTFS and does not support the FAT file system. When files encrypted with EFS are copied or backed up to a volume that uses the FAT file system, the encryption is lost because FAT does not support EFS encryption. This is why David found that the backup files were not encrypted after transferring them to a system that supports the FAT file system.

References: The explanation is based on the operational characteristics of EFS and its compatibility with different file systems as described in the Certified Network Defender (CND) course materials and further supported by information from reliable sources on EFS and file system encryption1234.

WPA2 uses the Counter Mode with Cipher Block Chaining Message Authentication Code Protocol (CCMP), which employs the Advanced Encryption Standard (AES) block cipher for data encryption. The integrity check mechanism within WPA2 that provides security against replay attacks is the Cipher Block Chaining Message Authentication Code (CBC-MAC). CBC-MAC is used to authenticate packets and ensure their integrity, preventing the data from being altered, spoofed, or resent by attackers.

References: The information is consistent with the security protocols defined in the IEEE 802.11i standard for WPA2, which includes the use of CBC-MAC for packet authentication and integrity checks as part of the CCMP1234.

Disaster Recovery (DR) is a subset of business continuity planning which focuses on the IT systems and operations of a business after a disaster. It’s a comprehensive approach that ensures all critical business functions can be resumed quickly and effectively in the event of a crisis. DR is not just about data or security; it encompasses all aspects of the business that are necessary to continue operations and protect the interests of stakeholders.

References: The explanation aligns with the objectives and documents of the EC-Council’s Certified Network Defender (CND) program, which emphasizes the importance of business continuity and disaster recovery as part of a defense-in-depth security strategy. This includes protecting endpoints, data, and networks, as well as continuous threat monitoring and response12345.

A honeypot is a security mechanism set up to act as a decoy to attract and detect cyber attackers. It is designed to mimic systems that an attacker would like to break into but is actually isolated and monitored. Unlike other security measures, a honeypot’s purpose is not to prevent an attack but rather to study the attack methods and behavior. This information can be used to improve other security controls like IDS/IPS and to understand the threats better. Honeypots can also serve to deflect attacks from legitimate targets, as attackers may waste time and resources on the decoy system.

References: The explanation aligns with the standard practices and objectives of network security as outlined in the Certified Network Defender (CND) course by EC-Council. For the most accurate and detailed references, please consult the latest CND study materials and documents provided by the EC-Council.

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.

 When an application driver loads successfully in Windows, the event is recorded as an Information event. This type of event is used to describe the successful operation of an application, driver, or service. For instance, when a network driver loads successfully, it is appropriate to log an Information event. This is to provide confirmation that the driver has been loaded without issues, which can be useful for troubleshooting and monitoring system health12.

References:

• Microsoft’s documentation on event types1.
• GFI EventsManager Support article on Windows Event Logs2.

In the context of Network Function Virtualization (NFV), the Virtualized Infrastructure Manager (VIM) is responsible for controlling and managing the NFV infrastructure (NFVI), which includes compute, storage, and network resources. The VIM operates within one operator’s infrastructure domain and is a key component of the Management and Orchestration (MANO) framework. It ensures that the virtualized resources are appropriately allocated and managed to support the deployment and operation of Virtual Network Functions (VNFs).

References: The information aligns with the definitions and roles of VIM as outlined in the NFV and MANO framework documentation1.