CompTIA A+ 220-1101 Assessment I

On which port does FTP run by default? 21 25 53 80

21

Which of the following types of connectors would you expect to see on the end of a serial cable? DB-9 RS-232 Molex VGA

DB-9 Some people call them RS-232 connectors, but that's the transmission standard used by serial cables. Molex are power connectors. VGA is a video connector.

A user calls to report that their laptop is not booting up. What is the first step you should take? Quarantine the system. Identify the problem. Establish a theory of probably cause. Establish a plan of action to resolve the problem.

Identify the problem.

Which of the following is not considered a system component that can be found inside a computer? CPU RAM PCIe graphics adapter Motherboard

PCIe graphics adapter System components are essential for the basic functionality of a computer system.

Your laptop has 4 GB of installed memory and uses shared video memory. If the video card is using 512 MB, how much is left for the rest of the system? 4 GB 3.5 GB 512 MB Cannot determine

3.5 GB If the laptop is using shared video memory, then the system memory is shared with the video card. If a video card is using 512 MB (half a gigabyte), then there is 3.5 GB left for the system.

You want to send emails from your smartphone using a secure connection. Which port will enable that? 25 110 143 587

587 Port 587 is used by SMTP secured with TLS. Ports 25 (SMTP), 110 (POP), and 143 (IMAP) are not secure.

Which of the following 802.11 technologies can communicate in the 2.4 GHz and 5 GHz frequencies (Choose two.) 802.11ax 802.11ac 802.11n 802.11g

802.11ax, 802.11n 802.11ac runs at 5 GHz. 802.11g runs at 2.4 GHz.

You are installing a new display for a laptop. Which LCD component is responsible for providing brightness? Backlight Inverter Screen Digitizer

Backlight The backlight provides light to the LCD screen. The inverter provides power to the backlight. The screen displays the picture. Digitizers take physical input (like touch) and turn it into electronic data.

What is the function of the laser in a laser printer? A. It heats up the toner so that it adheres to the page. B. It charges the paper so that it will attract toner. C. It creates an image of the page on the drum. D. It cleans the drum before a page is printed.

C

Your laser printer has recently started printing vertical white lines on documents it prints. What is the most likely cause of the problem? A. The print driver is faulty. B. The fuser is not heating properly. C. There is toner on the transfer corona wire. D. There is a scratch on the EP drum.

C A scratch or groove in the EP drum causes vertical black lines. If the fuser were not heating properly, toner would not bond to the paper and you would have smearing. Faulty print drivers cause garbage to print or no printing at all.

A network cable has not been working properly. Another technician suggests testing the resistance on the cable. Which tools may be capable of doing this? Loopback plug Network tap Cable tester Toner probe

Cable tester Cable testers are for verifying that a cable works properly. Network taps create copies of network traffic for analysis. A loopback plug is for testing the ability of a network adapter to send and receive. A toner probe is used to trace a cable from one location to another.

What is the maximum range for a Bluetooth Class 2 device? 100 meters 10 meters 1 meter 0.5 meters

Class 2 has a range of 10 meters. Class 2 devices include headsets, keyboards, and mice. Class 1 devices have a range of up to 100 meters. Class 3, 1 meter Class 4, 0.5 meters

A technician is preparing to perform inkjet printer maintenance. Which of the following should they consider? A. Replace toner, apply maintenance kit, calibrate, clean. B. Replace paper, clean heating element, remove debris. C. Replace ribbon, replace print head, replace paper. D. Clean heads, replace cartridges, calibrate, clear jams.

D A is for laser printer maintenance. B is for thermal printer maintenance. C is for impact printer maintenance.

Which of the following is a physical memory format installed directly in today's desktop computer systems? DIMM HDD SSD eMMC

DIMM All other options are some form of secondary storage.

You are buying optical discs and need to ensure that they have large capacity. What suffix indicates that the capacity of an optical disc is roughly twice that of its standard counterpart? DL R RW RE

DL, which stands for dual layer or double layer. With DVDs, the capacity almost doubles, and with Blu-ray discs, it actually does. R = recordable RW = re-writeable RE = re-recordable

Which of the following video connectors has an analog variety and a digital variety? VGA HDMI DisplayPort DVI

DVI VGA is always analog. HDMI and DisplayPort are always digital.

Which of the following are components that can commonly be found on a motherboard? (Select all that apply.) Headers Fan connectors Gyroscope Scanner HDD

Headers, fan connectors Gyroscopes are found in mobile devices. Scanners are external devices. HDDs are not themselves built into the motherboard.

Which of the following protocols can be used by a client to access email on a server? DNS FTP SMTP IMAP

IMAP The IMAP and POP3 protocols can be used to retrieve email from email servers. They are known as "pull" protocols. SMTP is used to send email. It is a "push" protocol. FTP is for file transfers.

You are troubleshooting a network issue. What feature do switches most likely have to help troubleshoot connectivity issues? Port toggles Beep codes Indicator lights Log entries

Indicator lights Switches and other connectivity devices have indicator lights to help indicate when things are or are not working normally. There are no port toggles and switches don't use beep codes. A switch might make a log entry into an event logger, but this is less likely than it having indicator lights.

Which of the following is used to remotely manage and delete corporate applications and associated data on mobile devices? Location services Synchronization MAM MDM

MAM (mobile application management) MAM is a service that allows admins to control corporate software on mobile devices, including updating and wiping apps. MDM (mobile device management) controls which devices are on the network and can wipe entire devices.

Which of the following connectors will you not find on the end of a USB cable? (Choose two.) Lightning USB-C Molex DB-9 eSATA

Molex, DB-9 USB cables are multipurpose and connect many types of peripherals. Connectors include USB-C, Lightning, and eSATA. Molex connectors provide power to PATA hard drives and optical drives. A DB-9 connector is found on the end of a serial cable.

Which of the following cable types is made with a plastic coating that does not produce toxic fumes when it burns? Plenum Fiber Coaxial UTP

Plenum The plenum is an air space within buildings used to circulate breathable air for occupants of a building. Fiber, coaxial, and UTP cables are normally enclosed with a PVC plastic coating, which produces toxic fumes if burned. For air vent spaces, plenum grade cable is required. All cable types have plenum-rated versions.

One of your network users was recently caught at work browsing pornographic websites. Which of the following servers could be installed to prohibit this activity? Web Security Proxy DNS

Proxy

Which of the following are standards used by coaxial cables? (Choose two.) RG-6 RG-59 RJ-11 RJ-45

RG-6, RG-59

A user has asked you to install a RAID array. Except in the case of RAID 0, which do all types of RAID offer? (Choose two.) Faster read speeds Faster write speeds Redundancy Fault tolerance Ability to restore automatically from tape after a drive failure

Redundancy, fault tolerance Except for RAID 0, all implementations of RAID offer a way to recover from the failure of at least one drive, which is an example of fault tolerance, through the implementation of some mechanism that stores redundant information for that purpose.

A desktop computer has recently started exhibiting slow performance, particularly when opening and saving files to the hard drive. What should you try first? Replace the hard drive. Remove old files and applications to free up disk space. Delete and reinstall the OS. Defragment the hard drive.

Remove old files and applications to free up disk space. Hard drive performance can slow down if the drive gets short on space, particularly under 10%. If that doesn't resolve it, then defragment. If neither of those work, it could indicate a failing drive.

Which network connectivity device stops broadcasts from being sent to computers on a different network segment? Hub Switch Router Firewall

Router A router does not pass along broadcasts to computers on other segments. Hubs and switches send broadcasts along because they do not segment traffic at the logical network address level.

When used with network scanning services, what does SMB allow for? Scan to the cloud Scan to email Scan to a network folder Scan to secured print

Scan to a network folder SMB stands for Server Message Block. It is a protocol that allows for the saving of scanned documents to a network folder.

You are replacing a power supply with a new one. What is the primary characteristic you should look for to ensure all internal components can be supported? Amperage rating 20-pin to 24-pin motherboard adapter Wattage rating Voltage rating

Wattage rating Wattage is the unit of output for power supplies. Make sure that the PSU has enough wattage to support all components.

On a typical laptop, which of the following components runs through the hinge from the base of the laptop up into the display unit? Webcam connector Speaker wires Microphone connector Wi-Fi antenna

Wi-Fi antenna In most laptops, the webcam and microphone are generally part of the display unit only. Speakers are most often in the base of the laptop, not the display.