IT Technical Support Exam Questions and Correct Answers Latest Update

IT Technical Support Exam Questions and Correct Answers Latest Update What is a BIOS? - Answers Basic Input Output System It is a separate component of the computer which loads the operating system and other necessary modules for the computer into memory Hardware components of a desktop/laptop - Answers Hardware components are the motherboard, processor, RAM, monitor, mouse, soundcard, keyboard, graphics, hard disk drive, power supply. RAM vs ROM memory - Answers RAM is the random access memory that is stored temporarily. ROM is the read-only memory which is permanent type of memory storage for important data (e.g. the BIOS) Volume isn't working? - Answers Check basic cables that aren't working. If not, check the sound drivers and the volume itself. Things needed if someone calls and asks if computer is slow? - Answers Check if the computer turns on slow, if it is slow with a specific application, then run against viruses, malware, etc, then check for available space in memory What are device drivers? - Answers Small programs stored on the hard drive that tell the computer how to communicate with a specific hardware device such as a printer, network card, or scanner. These drivers are installed on the hard drive when the OS is first installed, or when new hardware is added to the system. A device driver is written to work for a specific OS, such as Windows 8.1 or 7. In addition, a 32-bit OS requires 32-bit drivers, and a 64-bit OS requires 64-bit drivers. What are the latest processors? - Answers i3, i5 , i7 Pentium Quad Core Blue Screen of Death (BSOD) - Answers a Windows error that occurs in kernel mode, is displayed against a blue screen, and causes the system to halt. The error might be caused by problems with devices, device drivers, or a corrupted Windows installation. also called a stop error. The computer can be restarted in safe mode. Lights present on a modem - Answers Power Light - indicate if its on Link Light - Check if the modem is connected to the ISP Data Light - Check if there is data Connectivity Light - checks if modem connected to computer What does '?' indicate in device manager? - Answers It means the driver is not properly installed What is a MX record and A Record? - Answers 'A' record is a record that determines which IP address belongs to the domain. It can be used by the MX record which contains the host name of the computer(s) that handle the emails for a domain and a prioritization code. Troubleshooting issue process? - Answers Fact gathering to diagnosis to solution Gather all relevant facts. Then I use common solutions, and if that doesn't work, use additional resources to find the solution. Once a solution is found, I test to ensure everything is okay!" What does USB stand for and how's it used? - Answers Short for Universal Serial Bus, an external bus standard that supports data transfer rates of 12 Mbps. Pros and cons of imaging software - Answers Pros: - Create exact duplicates - Deliver hard drive images over network to one or many systems simultaneously - Resize individual partitions of many file systems of which the utility has intimate knowledge Cons: Can be expensive - Can take a long time on large disks since lack of - intimate knowledge of files systems cause block by block of source hard disk on image - Can provide little detection or recovery from errors during deployment Partitions? - Answers Dividing the hard disk into smaller portions to allow for space management. Each partition can be considered a disk to contain files Common ports on computer? - Answers Common ports are PS/2 ports, for keyboard and mouse. USBports. Sound ports.LAN or Ethernet ports. VGA ports. What does DHCP stand for? - Answers Dynamic Host Configuration Protocol - allows network devices to have different IP addresses when connected to the network What are the DHCP steps? - Answers 1. DHCPDiscover 2. DHCPOffer 3. DHCP Request 4. DHCPACK Domain name service? - Answers translates domain names into IP addresses Identify a few Firewalls. - Answers There is the network layer and the application layer Network Layer - Makes decisions based on source and destination address Application layer - Hosts run on proxy servers which allow no traffic between networks What happens when url is typed in bar? - Answers Active Directory - Answers A service that is used in managing a domain to allow for a single point of administration for all shared resources on a network, including files, peripheral devices, databases, Web sites, users, and services.