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2021 Dec FC0-U51 study guide
Q131. - (Topic 3)
Which of the following statements about Bluetooth are true?
Each correct answer represents a complete solution. Choose two.
A. It forms a network whenever two Bluetooth devices come within a range of ten meters.
B. It has a maximum transmission range of 200 meters.
C. It does not require a line-of-sight connection between devices.
D. It requires a line-of-sight connection between devices.
Answer: A,C
Explanation:
Bluetooth is a standard for very low powered and short-range radio connections. As a radio technology, it does not require a line-of-sight connection as an infrared connection does. Bluetooth is used to link Personal Digital Assistant (PDA), mobile phones, and laptops, and provides them with Internet access via hot spots. It uses the 2.4 Ghz spectrums with a data transfer rate of about 1 Mbps. Bluetooth networks are not permanent as compared to other networks where a central communication point is needed such as a hub or a router. A Bluetooth network can be formed when two Bluetooth devices are within a range of ten meters, enabling them to communicate directly with each other. This dynamically created network is known as a piconet. A Bluetooth-enabled device can support up to seven other Bluetooth devices in a master-slave relationship; the first Bluetooth device is the master, and all the other devices are slaves that communicate with the master in one piconet. The maximum transmission range of Bluetooth is around 10 meters. Answer option D is incorrect. The infrared devices require a line-of-sight connection between devices.
Answer option B is incorrect. The maximum transmission range of Bluetooth is around 10 meters.
Reference: "http://www.bluetooth.com/bluetooth/"
Q132. DRAG DROP - (Topic 3)
Identify the ports in the image given below.
Answer:
Q133. - (Topic 3)
O: 213
You are responsible for the laptops used by travelling sales people in your company. These all laptops use Windows XP. You want the machines to go to a lower power state when they have been inactive for more than 10 minutes and are running on battery. The sales people complain that when their laptops go inactive they want them to return to active state very quickly.
Which low power state should you use?
A. Low Power
B. Sleep
C. Standby
D. Hibernate
Answer: C
Explanation:
Standby stores all the data, open programs, and settings in RAM, but then moves to a very low power state. While the laptop is still using power it is doing so at a much slower rate. The laptop can return to a fully active state very quickly. The standby mode is a power saving feature for computers. In this mode, a computer does not shut down completely. The computer goes to low power state and, as a result, it consumes less power. When the computer resumes from the standby mode, full power is restored to its devices. During the standby mode, if the power supply is disconnected or interrupted, data might be lost. The standby mode is available automatically on ACPI-enabled or APM-enabled computers. Users do not need to enable this mode manually. This mode is not available in non-ACPI and non-APM based computers. Answer option D is incorrect. It is a low power state but saves all data and open programs to the hard disk and the laptop shuts down. This takes significantly more time to return to an active state. What is hibernate mode? Hide Hibernate mode is a power saving feature for computers. In hibernate mode, the current state of a computer is saved to the hard disk, and the computer shuts down. A user will have to power on the computer to restore the previous settings.
When a computer resumes from hibernate mode, it reads the saved settings from the disk and restores the system state as it was before it entered hibernate mode. By default, hibernate mode is disabled. If a computer is not ACPI-enabled or
APM-enabled, users will have to enter hibernate mode manually. Users cannot set the computer to automatically hibernate after a certain time. With ACPI-enabled and APM-enabled computers, users are able to set hibernate mode automatically.
Answer option A is incorrect. Low power is not an actual power mode.
Answer option B is incorrect. Sleep only exists in Windows Vista.
Reference:
http://www.timeatlas.com/mos/Term_to_Learn/General/Understanding_Differences_Betwe
en_Hibernate_and_Stand_By/
Q134. - (Topic 1)
Which of the following printer types uses a powder based consumable with a lower cost per page compared to other printers?
A. Thermal
B. Laser
C. Dot matrix
D. Inkjet
Answer: B
Q135. - (Topic 1)
A user, Ann, is concerned about theft of her laptop and does not want a thief to have easy access to all of her banking and email. Which of the following precautions could be taken to mitigate this issue?
A. Only browse the Internet on WiFi connections that use WPA2
B. Turn off the guest account in the operating system
C. Disable autofill functionality within the web browser
D. Remove any legacy browsers from the computer
Answer: C
Replace FC0-U51 answers:
Q136. - (Topic 2)
A user receives an email containing a link. When they hover the mouse over the link, the actual URL does not match the text in the body of the email and appears to be a string of random characters. Which of the following is the BEST course of action?
A. Forward the email to a friend to ask for advice.
B. Reply to the sender asking for confirmation that it is safe to open.
C. Delete the email without clicking on the link.
D. Click the link because malware protection software is installed on the computer.
Answer: C
Q137. - (Topic 3)
Which of the following SCSI types use 16-bit bus?
A. Fast Wide SCSI-2
B. Double Wide SCSI-2
C. Fast SCSI-2
D. Wide SCSI-2
E. Ultra-2 SCSI (Fast-40)
Answer: A,D
Explanation:
The following SCSI types use 16-bit bus: 1.Wide SCSI-2 2.Fast Wide SCSI-2 3.Wide Ultra SCSI-3 4.Wide Ultra-2 SCSI 5.Ultra-3 (Fast-80 or Ultra 160) Small Computer System Interface (SCSI) is the second most popular drive interface in use today after the Integrated Drive Electronics (IDE) interface. SCSI is faster than IDE and supports more devices. SCSI devices, such as hard disk drive and CD-ROM drive, are better suited in a network environment in which many users access shared drives simultaneously. Answer option B is incorrect. Double Wide SCSI-2 uses 32-bit bus. Answer options C and E are incorrect. Fast SCSI-2 and Ultra-2 SCSI (Fast-40) used 8-bit bus.
Reference: "http://en.wikipedia.org/wiki/SCSI"
Q138. - (Topic 1)
After installing the OS on a workstation, a technician notices that everything is displayed in large windows and the viewing area is limited. Which of the following will the technician need to adjust to resolve this issue?
A. Color depth
B. Orientation
C. DPI settings
D. Resolution
Answer: D
Q139. - (Topic 2)
A user is installing a new scanner on a computer. Which of the following MOST likely needs to be installed in order for this equipment to work?
A. License key
B. OS update
C. Firmware
D. Driver
Answer: D
Q140. - (Topic 2)
Which of the following applications would a user employ to write a business letter?
A. Spreadsheet software
B. Word processor
C. Desktop publishing
D. Presentation software
Answer: B