WGU D315 Network and Security Pre-Assessment 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. 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 view a list of network addresses and port numbers. Which command in Linux should be used for this purpose? netstat 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 Transmission Control Protocol (TCP)? Transport Which layer of the TCP/IP model includes the Internet Message Access Protocol (IMAP)? Application Which OSI model layer creates, maintains, and disconnects process communications over the network? Session Which OSI model layer is responsible for breaking data into packets? Transport Which layer of the OSI reference model includes all computer programs that interact with the network? Application What is the OSI model layer that includes the IPX?