Eccouncil 312-38 Certified Network Defender CND Exam Practice Test

Answer : C

Choose Your Own Device (CYOD) policy allows employees to select from a preapproved list of devices to access company data. This approach provides the organization with control over which devices are used, ensuring compatibility and security while giving employees some flexibility in their choice of devices. The CYOD policy:

Balances security and employee satisfaction.

Ensures devices meet company standards and security requirements.

Reduces the risk associated with a wide variety of personal devices.

In contrast:

BYOD (Bring Your Own Device) policy allows employees to use their personal devices, which can be harder to secure.

COPE (Corporate-Owned Personally Enabled) policy provides employees with company-owned devices that they can use for personal tasks.

COBO (Corporate-Owned Business Only) policy restricts device use to business purposes only, providing the highest level of control but limiting employee flexibility.

EC-Council Certified Network Defender (CND) Study Guide

Answer : B

Prioritizing incidents based on their potential technical effect ensures that the most critical issues are addressed first, minimizing the impact on the organization's operations. In this scenario:

An inability to connect to the main server could indicate a network-wide issue that affects many users and services, potentially disrupting key operations.

A single employee unable to log in, while important, is typically less critical compared to a network-wide server issue.

By assessing the potential technical effect, Byron can determine that resolving the main server connectivity issue should take precedence over the individual login problem. This approach helps maintain the overall health and functionality of the network.

EC-Council Certified Network Defender (CND) Study Guide

Answer : C

To ensure that Windows PCs are up-to-date and have fewer internal security flaws, Byron should focus on regularly applying the latest security patches and updates. This can be achieved by:

Downloading and installing the latest patches: Ensures that any vulnerabilities identified in the operating system and applications are fixed promptly.

Enabling Windows Automatic Updates: Automates the process of checking for and installing updates, ensuring that PCs are always protected with the most current security measures.

Regularly updating the system helps in closing security loopholes that could be exploited by attackers. Antivirus software and turning off unnecessary services (Option A) are also important, but they do not address the critical need for regular patching. Centrally assigning group policies (Option B) is useful for managing security settings but does not directly address updating and patching. Dedicating a partition and formatting with NTFS (Option D) is unrelated to keeping systems up-to-date.

EC-Council Certified Network Defender (CND) Study Guide

Answer : B

In a pull-based mechanism, the client initiates the request to the server to fetch data or services. This model contrasts with the push-based mechanism, where the server initiates the data transfer to the client without a specific request.

In the context of network security and data transfer:

Pull-based mechanisms allow clients to request updates or data as needed, giving them control over the timing and frequency of the requests.

This model is commonly used in content delivery networks (CDNs), software updates, and various client-server applications where clients need to periodically check for new information or updates.

EC-Council Certified Network Defender (CND) Study Guide

Answer : B

Asymmetric encryption, also known as public-key cryptography, uses a pair of keys---a public key and a private key---to encrypt and decrypt data. This method is widely used for securing small amounts of data, such as digital signatures. In asymmetric encryption:

The public key is used to encrypt the data.

The private key is used to decrypt the data.

Digital signatures utilize asymmetric encryption to ensure the integrity and authenticity of a message. When a sender signs a document with their private key, the recipient can verify the signature using the sender's public key, confirming that the document was indeed signed by the sender and has not been altered.

EC-Council Certified Network Defender (CND) Study Guide

Answer : A

To allow a file to be editable, viewable, and deletable by everyone, Henry needs to set the file permissions to the most permissive value. In Linux and Unix systems, file permissions are represented by three sets of three bits, each set representing permissions for the owner, the group, and others.

The permission value of 777 means:

The first digit (7) grants read (4), write (2), and execute (1) permissions to the owner.

The second digit (7) grants read, write, and execute permissions to the group.

The third digit (7) grants read, write, and execute permissions to others.

Setting the permissions to 777 ensures that everyone (owner, group, and others) can read, write, and execute the file. This aligns with the requirement for the file to be editable, viewable, and deletable by everyone.

EC-Council Certified Network Defender (CND) Study Guide

Linux file permissions documentation and chmod command usage

Answer : A

The topology that the network designer will propose is known as a screened subnet. This topology involves the use of two or more firewalls to create a network segment referred to as a demilitarized zone (DMZ). The DMZ acts as a buffer zone between the public internet and the internal network. It contains the public-facing servers, such as the web portal mentioned, which is isolated from the internal network for added security. The screened subnet topology typically includes a firewall at the network's edge connected to the internet, another firewall separating the DMZ from the internal network, and the DMZ itself. This setup allows for strict control of traffic between the internet, the DMZ, and the internal network, providing an additional layer of security.