WGU D315 Network and Security – Foundations | Pre-Assessment 2025 Update | 69 Verified Questions and Answers | 100% Score

1. What is the primary function of the 'nslookup' command in a Linux environment? To display network connections To configure network interfaces To query DNS records To trace the route to a network host 2. What type of network topology connects all devices in a star configuration? Bus Ring Star Mesh 3. An attacker sends an email out to 100,000 random email addresses. In the email the attacker sent, it claims that 'Your Bank of America account is locked out. Please click here to reset your password.' Which of the following attack types is being used? Phishing Whaling Spear phishing Vishing 4. If a network administrator suspects that a specific port is being used by an unauthorized application, which command should they use to identify the active connections and listening ports on the system? ifconfig ping traceroute netstat 5. Local area networks designed to serve an entire city are called ____ area networks. urban metropolitan city major 6. Which layer of the TCP/IP model is responsible for end-to-end communication and error recovery? Network Transport Application Physical 7. Explain the primary function of a broadband router in a network that does not require internet connectivity. To connect multiple networks and manage traffic between them. To provide internet access to all connected devices. To serve as a firewall against external threats. To facilitate communication between devices on the same local network. 8. Explain why storing sensitive customer data without access controls is a violation of confidentiality within the CIA triad. It allows unauthorized users to modify data. It exposes sensitive information to unauthorized access. It increases the likelihood of data corruption. It leads to network performance issues. 9. A developer is working on a project that requires testing multiple applications in isolated environments. Given their current setup with a Windows operating system, which of the following scenarios best illustrates the use of a Type 2 hypervisor? The developer installs a Type 2 hypervisor to create virtual machines for testing applications without affecting the host OS. The developer replaces their Windows OS with a Type 1 hypervisor to maximize performance. The developer uses a Type 2 hypervisor to run a single virtual machine that mirrors their host OS. The developer configures a Type 1 hypervisor to run multiple instances of Windows on separate hardware. 10. What are the three components of the IT security CIA triad? Confidentiality, Integrity, Availability Confidentiality, Integrity, Authentication Compliance, Integrity, Availability Confidentiality, Authentication, Availability