Which protocol automates assignment of IP addresses on a network, and which port number does it use? (Choose two.) DHCP DNS SMB 53 67 80 Answers Explanation & Hints: DNS…
Match the port number or numbers to the protocol. (Not all options are used.) Explanation & Hint: FTP (File Transfer Protocol) typically uses ports 20 and 21. Port 21 is…
Which device converts digital signals to analog signals and vice versa? hub switch modem router Answers Explanation & Hints: Modems are used to connect computers to POTS analog lines. Hubs,…
Which type of network consists of several geographically dispersed networks that cover a large area? LAN WAN PAN SAN Answers Explanation & Hints: A Wide Area Network (WAN) is a…
A computer locks up frequently, and no error message can be seen on screen. The problem occurs every time the user attempts to restart the computer. What is the most…
After questioning a user about the problems being experienced with a PC operating system, the support technician suspects that a recent service pack installation has failed. Which step of the…
A small company is setting up a new remote satellite office. Employees in the remote office need to access network resources from the main office of the company. An IT…
A technician is building a workstation that will be used for virtualization. Which two components would the technician use? (Choose two.) dual monitors high-end graphics card liquid cooling maximum amount…
Which design specification criterion is most important when designing a computer that will be a thin client whose applications are accessed from a remote virtual server? amount of RAM amount…
What transfers heat away from the processor first? cooling fins thermal compound CPU fan case fans Answers Explanation & Hints: Thermal compound is the first item of contact with the…
A user is connecting a home entertainment system and wants to use one cable to carry all the digital video and audio signals from the source device to the LCD…
A user has a computer with a single hard drive and a RAID adapter installed. Which additional component is necessary to complete the RAID installation? a USB connection a floppy…
Which RAID level allows for extension of a dynamic volume without any redundancy? 0 1 2 3 4 5 Answers Explanation & Hints: A RAID array 0 allows for striping…
Which statement is correct about applying firmware updates? Firmware updates are sometimes irreversible. It is possible to use the Roll Back feature to reverse the change. The firmware updates can…
Which three PC desktop functions are typically provided on the front panel and must be connected to the motherboard? (Choose three.) network activity light PC power button drive activity light…
Which connector would be used for a laptop external hard drive? DVI eSATA PATA SATA S/PDIF Explanation & Hint: For connecting an external hard drive to a laptop, the most…
Refer to the exhibit. Match the type of expansion slot to the letter shown in the graphic. (Not all options are used.) Explanation & Hint: A ==> PCI: This is…
Which sequence of steps is required to correctly install a heat sink and fan assembly onto a CPU in a desktop PC? 1. Apply a small amount of thermal compound…
Refer to the exhibit. Match the letter found in the exhibit with the description. (Not all options are used.) Explanation & Hint: A ==> Main motherboard power socket: If 'A'…
An art appreciation college professor wants to apply for a technology grant to allow students to have a virtual tour of the Louvre Museum in Paris, France. Which mobile technology…