You work at a computer repair store. A customer wants you to install a new sound card into his computer to run his home theater system. Currently, the computer uses the sound card built into the motherboard. You need to upgrade the computer with a better sound card that installs into an expansion card slot. Your task is to complete the following: a. Install the sound card with the optical output.
b. View the Details for each card to identify the card with an optical audio connector.
c. Boot into the BIOS and disable the onboard sound card.
d. Boot into Windows and verify that the new sound card is recognized and the onboard sound card does not appear in Device Manager.

Local area networks use many of the same network technologies and the internet, only on a smaller scale. devices that access lans are equipped with a network interface that contains circuitry for wireless or wired connections. devices also have a physical address, in addition to the ip addresses acquired from a dhcp server. the most popular wired technology is . the most popular wireless technology is , which can be configured as a(n) or star topology. setting up a lan and configuring its router is fairly easy. the first step is to change the standard to one that is secure. next, create a(n) that uniquely identifies the network by name. it is also important to activate wireless to prevent wireless signals from being intercepted during transmission. a limited-access network can be created for visitors to use. by activating , the router will be able to assign ip addresses to each device that joins the network. to connect to a secure lan that is protected by encryption, an encryption , or password, is required. lans can be used to access data collected by iot devices and the networks that tie these devices together. technologies such as rfid, nfc, bluetooth smart, zigbee, and z-wave offer -power links, essential for battery-powered devices that can’t expend excess amounts of energy transmitting data.