IT essentials 7.0 midterm Questions & Answers

In which situation would an ESD strike potentially cause harm to the PC? - ANSWERSwhen replacing a mechanical hard drive with an M.2 SSD A person has started a new technical job. In which situation would ESD be an issue? - ANSWERSwhen installing a processor A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue? - ANSWERSwhen installing a processor Case 2: - ANSWERSwhen replacing a motherboard Case 3: - ANSWERSWhen installing RAM An instructor has given a student an assignment to assemble a PC. In which situation should the student be aware that ESD is an issue? - ANSWERSwhen installing RAM What two motherboard components control the system boot operations? (Choose two.) - ANSWERSBIOS chip UEFI chip A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase? - ANSWERSCPU A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported? - ANSWERSchipset Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed? - ANSWERSROM What is a characteristic of DDR SDRAM? - ANSWERSIt transfers data twice per clock cycle compared to once per clock cycle for SDRAM. What are two safety hazards when dealing with laser printers? (Choose two.) - ANSWERShigh voltage hot components Which component requires a technician to install screws externally through the PC case? - ANSWERSpower supply A technician is installing an internal HDD. To which motherboard connector will the technician connect the data cable? - ANSWERSSATA Refer to the exhibit. A technician has been asked to install a video card. Which section of the motherboard will the technician use to install the card? - ANSWERSSection D When a PC is being assembled, what component is connected to the motherboard with a SATA cable? - ANSWERSThe optical drive A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated? - ANSWERSThe computer emits a pattern of beeps indicating the failing device. Which three features can be configured in the BIOS settings to secure a computer? (Choose three.) - ANSWERSdrive encryption, TPM, passwords What is the purpose of RAID adapters? - ANSWERSto connect multiple storage devices for redundancy or speed When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.) - ANSWERSCPU and heat sink What is the purpose of a Safety Data Sheet? - ANSWERSto specify procedures for dealing with potentially hazardous materials Which negative environmental factor does cleaning the inside of a computer reduce? - ANSWERSdust What is a recommended procedure to follow when cleaning computer components? - ANSWERSHold cans of compressed air upright while spraying. On the production floor, a furniture plant has laptops for process monitoring and reporting. The production floor environment is around 80 degrees Fahrenheit (27 degrees Celsius). The humidity level is fairly high around 70 percent. Fans are mounted in the ceiling for air circulation. Wood dust is prevalent. Which condition is most likely to adversely affect a laptop that is used in this environment? - ANSWERSThe dust After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.) - ANSWERSEstablish a new theory of probable causes, Document each test tried that did not correct the problem. What would happen if a PC that contains a power supply that does not automatically adjust for input voltage is set to 230 volts and attaches to an outlet in the United States? - ANSWERSThe PC would not turn on. Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure? - ANSWERSLAN What are two types of wired high-speed Internet connections? (Choose two.) - ANSWERSCable and DSL In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.) - ANSWERSwhen a faster delivery mechanism is needed, when applications do not need to guarantee delivery of the data The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task? - ANSWERSDHCP A company is looking for a next-generation firewall that provides VPN functionality, IDS/IPS functionality, and DoS/DDoS protection. Which device would be best suited for this task? - ANSWERSUTM A student is helping a friend with a home computer that can no longer access the Internet. Upon investigation, the student discovers that the computer has been assigned the IP address 169.254.100.88. What could cause a computer to get such an IP address? - ANSWERSunreachable DHCP server What three values must be added to the IPv4 properties of a NIC in order for a computer to have basic connectivity with the network? (Choose three.) - ANSWERSsubnet mask, default gateway, IP address A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device? - ANSWERS0607:1234:aa10:ba01 How can a user prevent specific applications from accessing a Windows computer over a network? - ANSWERSBlock specific TCP or UDP ports in Windows Firewall. Place the six stages of the troubleshooting process in the correct order. - ANSWERSIdentify, establish a theory , test the theory, establish a plan, verify, document A technician has been asked to configure Wi-Fi calling on a corporate mobile device. In which situation would this feature be most advantageous? - ANSWERSwhen in an area with poor cellular coverage Which statement is true about laptops? - ANSWERSMost of the internal components that are designed for laptops cannot be used for desktops.