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

RAID level 0, also known as striping, involves splitting data evenly across two or more disks without parity information, redundancy, or fault tolerance. This means that if one drive fails, the entire array fails, resulting in total data loss. RAID 0 is typically used to increase performance, as it allows for faster read and write operations by using multiple disks simultaneously. However, because it does not duplicate data across the disks, it does not provide any form of data redundancy1.

References: The explanation aligns with the standard definitions and functionalities of RAID levels as described in various authoritative sources on computer storage and network security, including materials from the EC-Council’s Certified Network Defender (CND) course. For the most accurate and detailed information, please refer to the latest CND study materials and documents available through the EC-Council and other reputable sources on RAID technology.

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 filter tcp.flags==0x003 is used to detect SYN/FIN attacks. This filter is designed to identify packets where both the SYN and FIN flags are set, which is an unusual combination and indicative of a potential SYN/FIN attack. In a typical TCP communication, a SYN flag is used to initiate a connection, and a FIN flag is used to gracefully close a connection. Therefore, seeing both flags set in a single packet suggests a malformed or malicious packet, which is characteristic of a SYN/FIN attack.

References: The use of the filter tcp.flags==0x003 for detecting SYN/FIN attacks is discussed in various cybersecurity resources and aligns with the knowledge required for the Certified Network Defender (CND) certification. This specific filter is mentioned in discussions about network security and intrusion detection techniques1.