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

In the context of password hashes on a Windows 7 computer, a Rainbow Table attack is a feasible method an attacker might use to reveal passwords. This type of attack utilizes precomputed tables known as rainbow tables that contain hash values for every possible combination of characters. An attacker with access to password hashes can use these tables to look up the corresponding plaintext passwords. The effectiveness of rainbow tables stems from their ability to reverse cryptographic hash functions, which are used to store passwords securely. Since Windows 7 uses NTLM hashes, which are known to be vulnerable to rainbow table attacks, this method is particularly relevant12.

References: The explanation draws upon the known vulnerabilities of NTLM hash functions in Windows 7 and the general principles of rainbow table attacks as discussed in security literature12.

Application sandboxing is a security mechanism that helps prevent the execution of untrusted or untested programs or code from untrusted or unverified third-parties. It does this by running such programs in a restricted environment, known as a sandbox, where they have limited access to files and system resources. This containment ensures that any malicious code or behavior is isolated from the host system, thereby protecting it from potential harm. Sandboxing is a proactive security measure that can significantly reduce the attack surface and mitigate the risk of security breaches.

References: The concept of application sandboxing is covered in the Certified Network Defender (CND) course, which discusses various strategies for protecting networks and systems, including the use of sandboxing to contain and control the execution of potentially harmful code12.

The IEEE 802.16 is a series of wireless broadband standards, also known as WirelessMAN, that are designed for Metropolitan Area Networks (MANs). It specifies the air interface, including the medium access control layer (MAC) and physical layer (PHY), of combined fixed and mobile point-to-multipoint broadband wireless access systems. This standard supports rapid deployment of broadband wireless access systems and encourages competition by providing alternatives to wireline broadband access.

References: The information is verified by the IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Broadband Wireless Access Systems1, and further details can be found in the IEEE 802.16 Working Group’s documents23.