ECCouncil Updated 312-38 Exam Questions and Answers by sunday

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.

Application sandboxing is a security technique that allows untrusted or untested programs or code to be executed in a separate, restricted environment known as a sandbox. This environment is isolated from the host system and operating system, ensuring that any potential malicious behavior contained within the code cannot affect the host. It’s a way to test and execute third-party applications without risking the integrity or security of the main system. Sandboxing provides a tightly controlled set of resources for guest programs to run in, such as scratch space on disk and memory, which prevents the programs from affecting other processes and data on the host system.

References: The concept of application sandboxing is covered in the EC-Council’s Certified Network Defender (CND) program, which includes key topics such as application whitelisting, blacklisting, and sandboxing. The hands-on lab exercises in the CND program help demonstrate skills in these areas, including application sandboxing1.

The address 1080:0:FF:0:8:800:200C:4171 is an IPv6 address. IPv6 addresses are 128-bit identifiers for interfaces and sets of interfaces. In this case, the address includes a block ::FFFF: (or 0:FF), which is a reserved subnet prefix to facilitate IPv4 to IPv6 migration. This is known as an IPv4-mapped IPv6 address. It is used to represent an IPv4 address in an IPv6 address format. The last 32 bits of the address represent an IPv4 address, which in this case corresponds to 127.0.0.1 - the loopback address in IPv4 used to establish an IP connection to the same machine or computer being used by the end-user.

References: The explanation is based on standard IPv6 addressing rules and the specific structure of IPv4-mapped IPv6 addresses. The information is consistent with the ECCouncil’s Network Defender (CND) course objectives regarding understanding and analyzing network protocols and addressing12.

In Wireshark, the filter icmp.type==8 is used to detect ICMP Echo requests, which are commonly used in ping sweep attempts. A ping sweep is a network scanning technique used to determine which of a range of IP addresses map to live hosts. It involves sending ICMP Echo requests (type 8) to multiple hosts and listening for Echo replies (type 0). If an Echo reply is received, it indicates that the host is active. Therefore, the filter icmp.type==8 can be applied to capture these ICMP Echo requests and detect a ping sweep attempt.

References: This information is consistent with network security practices and the use of Wireshark for detecting network attacks, such as ICMP ping sweeps1. The filter icmp.type==8 specifically captures ICMP Echo requests, which are central to the technique of ping sweeping1.