Client communicates with a DNS server over what port?  

A technician is implementing a feature that will compare hashes of key system state data during the boot process to ensure that nobody has tampered with the system firmware, boot loader, and OS kernel. What feature is this?  

Which of the following 802.11 wireless networking standards support transfer rates of over 54 Mbps? (Select TWO.)

In a cloud computing environment, which type of service would include the configuration of virtual gateways, virtual private networks, virtual servers, and virtual switches?

A desktop technician determined that a computer could not connect to the network because the network drop was not working. What possibilities are open to the technician for getting the computer back on the network? (Select all that apply.)  

A support technician has removed the case from a PC and sees a component in a square socket. What component has the support tech located?

A network technician is upgrading a grocery store’s checkout lines with contactless payment devices. What type of wireless technology are the payment devices based on?  

A network technician is trying to locate the Cat 6A cable in a closet full of unmarked boxes with different types of cabling in them. How will the technician be able to tell which cable is Cat 6A? (Select all that apply.)  

A hardware technician is building a server that will process financial data in real time and wants to use error correcting code (ECC) RAM that will detect and correct errors, if possible. What else will the technician need to include in the server to support the ECC RAM? (Select all that apply.)  

A hardware technician is purchasing more servers for an organization and needs to ensure the power supply units in the data center have the correct output to support them. What is a power supply unit’s output capability measured as?