WGU D315 Network and Security Pre-Assessment Actual Real Exam Questions and Answers

A network is being created for an office, and there is a need for a router that manages internal network connections with no contact with the internet.Which type of router is needed? Core router An IT manager is designing a new network and needs a device that connects multiple networks.Which device is needed? Router A network in a small office building connects all devices using wired connections with a star topology.Which type of network is described? LAN An executive uses Bluetooth to connect a laptop, a mobile phone, and a headset.Which type of network is described? PAN A city uses fiber optic cable to connect smaller networks throughout the whole city. Which type of network is described? MAN Users of a network have been experiencing issues. In the course of troubleshooting, an administrator wants to query DNS servers to resolve domain names to IP addresses.Which command in Windows should be used for this purpose? nslookup Users of a network have been experiencing issues. In the course of troubleshooting, an administrator wants to determine which ports have an active connection. Which command in Windows should be used for this purpose? netstat -an In the process of setting up a Linux-based network system, a technician needs to view network interfaces and their settings. Which command should be used? ifconfig A person is troubleshooting a network issue and needs to test DNS connectivity. Which Linux command should be used? nslookup What is the TCP/IP layer that includes the Hypertext Transfer Protocol (HTTP)? Application Which layer of the TCP/IP model includes the Internet Message Access Protocol (IMAP)? Application Which layer of the TCP/IP model includes the Post Office Protocol (POP)? Application Which OSI model layer is responsible for breaking data into packets? Transport What is the layer of the OSI model that is responsible for properly transmitting data packets? Transport What is the OSI model layer that includes the IPX? Network What is the OSI model layer that includes the UDP? Transport Which layer of the OSI model includes the TELNET? Application A company uses cloud service to manage its IT resources. The underlying hardware resources are shared by other companies as well. What is the cloud deployment model described in the scenario? Public An organization uses one cloud service provider for data management and another service provider for development platforms. What is the cloud deployment model described in the scenario? Multi A company needs to maximize the number of virtual machines that can run on each host. Which hypervisor should be used? Type 1 A developer has an existing computer with an operating system. The developer wants to use a hypervisor to have access to several virtual machines for a specific project. Which form of hypervisor fits the need described in the scenario? Type 2 An attacker gains unauthorized access to a computer and modifies browser security settings. What is the purpose of the attack? Data modification An attacker uses a trojan horse to forward usernames and passwords to an anonymous email address. What is the purpose of the attack? Data export A hacker purposefully breaks IT security to gain unauthorized access to systems and publish sensitive data. Which term describes the given hacker? Black-hat A hacker acts as an information system security professional who is hired to perform penetration testing. Which term describes the given hacker? White-hat An organization is the victim of an attack in which an attacker uses a software program to try all possible combinations of a password and user ID. What is the type of cyberattack described in this scenario? Brute-force attack A data breach exposed usernames and passwords to customer accounts of an online retailer. An attacker uses the exposed data to attempt to access accounts of another online retailer. Credential stuffing An attacker uses a list of commonly used access credentials to attempt to gain access to an online account. Which type of cyberattack is described? Dictionary attack An organization is the victim of an attack in which an attacker tries to gain access to a system by disguising their computer as another computer. What is the type of cyberattack described in this scenario? IP address spoofing An organization is the victim of an attack in which an attacker uses a program to take control of a connection by pretending to be each end of the connection. What is the type of cyberattack described in this scenario? Session hijacking