ECCouncil 312-38 Exam With Confidence Using Practice Dumps

Directivity of an antenna refers to the measure of how concentrated the radiation emitted is in a single direction. It is defined as the ratio of the radiation intensity in a given direction from the antenna to the radiation intensity averaged over all directions. In simpler terms, it is the calculation of radiated power in a particular direction compared to the average radiated power in all directions. This characteristic is crucial for antennas designed to transmit or receive signals in a specific direction, making it an essential parameter for many communication systems.

References: The concept of directivity and its importance in antenna design is covered in the EC-Council’s Certified Network Defender (CND) course materials, which include discussions on various antenna characteristics and their impact on network security12.

The RAID level that splits data into blocks and evenly writes the data to multiple hard drives without providing data redundancy is known as RAID 0. This RAID level is also referred to as striping. It requires a minimum of two drives to set up. RAID 0 enhances performance by allowing simultaneous read and write operations across the drives, but it does not offer any fault tolerance. If one drive fails, all data in the array is lost because there is no redundancy.

References: RAID 0 is defined by its ability to increase performance by striping data across at least two drives. This information is consistent with the standards and descriptions provided in the EC-Council’s Certified Network Defender (C|ND) course materials and other authoritative sources on RAID configurations123.

John should implement a Proactive security approach. This approach is part of the adaptive security strategy that is built on a 4-pronged approach — Protect, Detect, Respond, and Predict1. By being proactive, John can anticipate potential threats and vulnerabilities and take steps to mitigate them before they can be exploited. This is in contrast to reactive or retrospective approaches, which deal with threats after they have occurred. The proactive approach is aligned with the Certified Network Defender (CND) program’s emphasis on preparing network defenders to identify parts of an organization that need to be reviewed and tested for security vulnerabilities, and how to reduce, prevent, and mitigate risks in the network2345.

References:

• EC-Council’s Certified Network Defender (CND) course outline and key features2.
• Information on the CND certification and its focus on proactive defense strategies3.
• Description of the adaptive security strategy, including the proactive approach, from the CND program1.
• Details on the protect, detect, respond, and predict approach to network security covered in the CND program4.
• Additional insights into the CND training and its emphasis on proactive security measures5.