SG: Assessment Test: 220-1001

Question 1

Which of the following is not considered a system component that can be found inside a computer?

A. CPU

B. RAM

C. PCIe graphics adapter

D. Motherboard

Answer 1

C. PCIe graphics adapter

System components are essential for the basic functionality of a computer system. Many of the landmarks found on the motherboard can be considered system components, even expansion slots, to a degree. What you plug into those slots, however, must be considered peripheral to the basic operation of the system. See Chapter 1 for more information.

Question 2

Which of the following is not a requirement for a NAS?

A. Dual monitors

B. File sharing services

C. Gigabit NIC

D. RAID array

Answer 2

A. Dual monitors

Dual monitors are not required for a network-attached storage (NAS) device; it might not even use a monitor. A NAS will use file sharing and benefit from a Gigabit NIC and RAID array. See Chapter 4 for more information.

Question 3

When setting up two NFC devices, what is the name of the mode that allows the two devices to transmit data to each other?

A. Emulation mode

B. Peer-to-peer mode

C. Reader/writer mode

D. Ad hoc mode

Answer 3

B. Peer-to-peer mode

Card emulation mode, reader/writer mode, and peer-to-peer mode are the three valid NFC communication modes. For two devices to transmit to each other, they will use peer-to-peer mode. For more information, see Chapter 11.

Question 4

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?

A. 4 GB

B. 3.5 GB

C. 512 MB

D. Cannot determine

Answer 4

B. 3.5 GB

If the laptop is using shared video memory, then the system memory is shared with the video card. If the video card is using 512 MB (half a gigabyte), then there is 3.5 GB left for the system. See Chapter 10 for more information.

Question 5

Which service was created by Apple to allow iPhones and iPads to print without installing printer drivers?

A. TCP printing

B. Bonjour

C. AirPrint

D. iPrint

Answer 5

C. AirPrint

AirPrint was created by Apple to let iPhones and iPads print without installing a printer driver. See Chapter 5 for more information.

Question 6

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?

A. DL

B. R

C. RW

D. RE

Answer 6

A. DL

DL stands for double (or dual) layer. With DVDs, the capacity almost doubles, but with Blu-ray Discs, it actually does. R means recordable, and RW and RE are used to designate re-writeable or re-recordable, respectively. See Chapter 2 for more information.

Question 7

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?

A. Web

B. Security

C. Proxy

D. DNS

Answer 7

C. Proxy

A proxy server can be configured to block access to websites containing potentially objectionable material. Web servers host websites. There is no specific security server, although there are authentication servers, which provide security. A DNS server resolves host names to IP addresses. See Chapter 9 for more information.

Question 8

When using a capacitive touchscreen on a mobile device, what is the most common tool used to input data?

A. Keyboard

B. Trackball

C. Stylus

D. Finger

Answer 8

D. Finger

Capacitive touchscreens react to slight changes in electrical charges. The human finger is used as an input device for capacitive touchscreens. For more information, see Chapter 11.

Question 9

Which of the following is a company that provides direct access to the Internet for home and business computer users?

A. ASP

B. ISP

C. DNS

D. DNP

Answer 9

B. ISP

An Internet service provider (ISP) provides direct access to the Internet. ASP is a programming language. DNS resolves host names to IP addresses. DNP is not a computer networking acronym. See Chapter 8 for more information.

Question 10

Which type of software is required to run client-side virtualization on your home network?

A. Terminal emulation

B. Process replication

C. Hyperthreading

D. Hypervisor

Answer 10

D. Hypervisor

The hypervisor is the key piece of software needed for virtualization. Terminal emulation, process replication, and hyperthreading are not related to client-side virtualization. See Chapter 9 for more information.

Question 11

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? (Choose two.)

A. Loopback plug

B. Multimeter

C. Cable tester

D. Tone generator and probe

Answer 11

B. Multimeter

C. Cable tester

A multimeter is specifically designed to test for electrical characteristics, so it would be the best tool to choose. Cable testers are for verifying that a cable works properly; some are capable of testing resistance. A loopback plug is for testing the ability of a network adapter to send and receive. A tone generator and probe is used to trace a cable from one location to another. See Chapter 14 for more information.

Question 12

Which of the following are components that can commonly be found on a motherboard? (Choose all that apply.)

A. Slots

B. Fan connectors

C. Gyroscope

D. Scanner

E. HDD

Answer 12

A. Slots

B. Fan connectors

Motherboards commonly have RAM slots and expansion slots. Older motherboards even had CPU slots. Modern motherboards have connectors for powering cooling fans. Gyroscopes are most commonly found in mobile devices. Scanners are external devices. Although there might be one or more types of HDD interfaces built into the motherboard, the HDD itself is not. See Chapter 1 for more information.

Question 13

Which of the following connectors will you not find on the end of a USB cable? (Choose two.)

A. Lightning

B. USB-C

C. Molex

D. DB-9

E. eSATA

Answer 13

C. Molex

D. DB-9

USB cables are multipurpose cables that 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. See Chapter 3 for more information.

Question 14

Which of the following is a standard computer that can access resources locally as well as from servers but requires no specialized enhancements?

A. Gaming PC

B. Network-attached storage

C. Thin client

D. Thick client

Answer 14

D. Thick client

A thick client is any computer system with a standard configuration. The gaming PC has enhancements over thick clients to their CPU, video, audio, and cooling. The NAS (network-attached storage) must have specialized capabilities and services along with a faster NIC than the thick client and a RAID array. The thin client is a lesser device in comparison to the thick client, but that cost-saving feature is its enhancement. These less expensive computers can connect over the network to servers for their operating system images and applications. See Chapter 4 for more information.

Question 15

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.

Answer 15

C. It creates an image of the page on the drum.

The laser creates an image on the photosensitive drum that is then transferred to the paper by the transfer corona. The fuser heats up the toner so that it adheres to the page. The transfer corona charges the page, and the eraser lamp cleans the drum before a page is printed. A rubber blade is also used to remove toner physically from the drum. See Chapter 5 for more information.

Question 16

The ____________ is the measurement of the number of pixels an LCD monitor can display without the image appearing distorted.

A. Native resolution

B. Contrast ratio

C. Maximum resolution

D. Aspect ratio

Answer 16

A. Native resolution

The native resolution refers to how many pixels an LCD screen can display (across and down) without distortion. The native resolution is based on the placement of the actual transistors that create the image by twisting the liquid crystals. The contrast ratio is the measurement between the darkest color and the lightest color that an LCD screen can display. Monitors do not measure contrast ratio. Aspect ratio measures the width of the image versus its height. See Chapter 3 for more information.

Question 17

Google Docs is an example of which type of cloud service?

A. SaaS

B. IaaS

C. PaaS

D. GaaS

Answer 17

A. SaaS

Google Docs is software, so it is an example of Software as a Service (SaaS). IaaS is Infrastructure as a Service. PaaS is Platform as a Service. GaaS is neither a test objective nor currently a cloud service type. See Chapter 9 for more information.

Question 18

You want to create and send encrypted emails from your smartphone. What do you need to use?

A. POP3

B. SMTP

C. S/MIME

D. VPN

Answer 18

C. S/MIME

The Secure/Multipurpose Internet Mail Extensions (S/MIME) standard for public key encryption is used to create and read encrypted emails. POP3 and SMTP are standard email protocols. VPNs create a private network over a public network, but they do not encrypt email content. For more information, see Chapter 12.

Question 19

Which term refers to copying data between a mobile device and a computer system to mirror such things as contacts, programs, pictures, and music?

A. Calibration

B. Remote wipe

C. Pairing

D. Synchronization

Answer 19

D. Synchronization

Synchronizing a mobile device with a computer system allows you to mirror personal data between the devices, regardless of which one contains the most current data. Calibration refers to matching the device’s and user’s perceptions of where the user is touching the screen. Remote wipes allow you to remove personal data from a lost or stolen device. Pairing is what must be done in Bluetooth for two Bluetooth devices to connect and communicate. For more information, see Chapter 12.

Question 20

You are replacing a power supply with a new one. What is the name of the standard power connector that has been used with larger hard drives since the first IBM personal computers were introduced?

A. AT system connector

B. Berg

C. Molex

D. ATX system connector

Answer 20

C. Molex

The standard peripheral power connector, or Molex connector, is commonly used on larger drives because it allows more current to flow to the drive than smaller peripheral connectors. AT and ATX system connectors are used to connect the power supply to the motherboard. A Berg connector was used for floppy disk drives.

Question 21

Which of the following is a requirement for virtualization workstations?

A. Enhanced video

B. Enhanced audio

C. Maximum RAM and CPU cores

D. A RAID array

Answer 21

C. Maximum RAM and CPU cores

Virtualization workstations require more RAM than standard systems and need to be equipped with as many multicore processors as possible. Video and audio are not resources that need to be enhanced for such workstations. Although a RAID array is a wise addition whenever a NAS with valuable information is involved, a virtualization workstation does not require one.

Question 22

A Desktop computer has recently started exhibiting slow performance, particularly when opening and saving files to the hard drive. What should you try first?

A. Replace the hard drive

B. Remove old files and applications to free up disk space

C. Delete and reinstall the OS

D. Defragment the hard drive

Answer 22

B. 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 percent of free space. First, try removing old files and applications to free up disk space. If that doesn’t resolve it, then defragment. If neither of those work, you could have a failing hard drive.

Question 23

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

A. DNS

B. FTP

C. SMTP

D. IMAP

Answer 23

D. IMAP

The IMAP and POP3 protocols can be used to retrieve email from mail servers. DNS is used to resolve host names to IP addresses. FTP is for file transfers, and SMTP is used to send email. See Chapter 7 for more information.

Question 24

Which technology used by e-readers gives them longer battery life than tablets?

A. Lithium-polymer battery

B. Low-power backlight

C. Electrophoretic ink

D. Capacitive touchscreen

Answer 24

C. Electrophoretic ink

E-readers use electrophoretic ink, also known as E Ink. E Ink uses less energy than other LCD displays, prolonging battery life.

Question 25

Which of the following protocols provide secure network transmissions? (Choose two.)

A. SMTP

B. SNMP

C. SSH

D. HTTPS

Answer 25

C. SSH

D. HTTPS

Secure Shell (SSH) and Hypertext Transfer Protocol Secure (HTTPS) are both secure transport protocols. Simple Network Management Protocol (SNMP) and Simple Mail Transfer Protocol (SMTP) are not inherently secure.

Question 26

Which of the following video connectors has an analog variety and a digital variety?

A. VGA

B. HDMI

C. DisplayPort

D. DVI

Answer 26

D. DVI

DVI comes in both analog (DVI-A) and digital (DVI-D) varieties. VGA is always analog, HDMI and DisplayPort are always digital.

Question 27

Which of the following technologies was developed for the IoT and communicates exclusively in the 800 MHz to 900 MHz range?

A. Bluetooth

B. 5G LTE

C. Zigbee

D. Z-Wave

Answer 27

D. Z-Wave

Zigbee and Z-Wave were developed specifically for the Internet of Things (IoT). Zigbee can communicate in the 2.4 GHz range as well as the 800 MHz to 900 MHz range. Z-Wave can communicate only in the 800 MHz to 900 MHz range.

Question 28

Which of the following protocols can be used in close range to transfer data between a mobile device and a computer system or to allow media to stream from the mobile device to an audio system?

A. SMTP

B. Bluetooth

C. NFC

D. Pegasus

Answer 28

B. Bluetooth

Bluetooth allows you to pair a mobile device to a computer or to a device such as an automotive sound system or headset. Data can be transferred between devices, and media can be streamed from the mobile device. SMTP is an email protocol. NFC is for short-distance data transfers, but not media streaming. Pegasus is not a computer communications protocol.

Question 29

Which of the following is a physical memory format installed directly in today’s desktop computer systems?

A. DIMM

B. HDD

C. SSD

D. RAM

Answer 29

A. DIMM

DIMMs are a type of memory module. HDD is a hard drive, and SSD is a solid-state drive—both are for permanent long-term storage. RAM is what memory is called, but it is not a physical memory format. See Chapter 1 for more information.

Question 30

What is the data throughput provided by one ISDN bearer channel?

A. 16 Kbps

B. 56 Kbps

C. 64 Kbps

D. 128 Kbps

Answer 30

C. 64 Kbps

An ISDN B (bearer) channel provides 64 Kbps data throughput. A home-based BRI ISDN provides two B channels. See Chapter 8 for more information.

Question 31

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

A. Hub

B. Switch

C. Router

D. Firewall

Answer 31

C. 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.

Question 32

On which port does FTP run by default?

A. 21

B. 25

C. 53

D. 80

Answer 32

A. 21

FTP operates on ports 20 and 21. Port 25 is used by SMTP, port 53 by DNS, and port 80 by HTTP.

Question 33

A user says that their keyboard backlight was working but now it’s not. What’s the easiest way to try to get it working again?

A. Change the BIOS setting

B. Use Windows Control Panel

C. Replace the backlight

D. Use the keyboard function key

Answer 33

D. Use the keyboard function key

Most systems with a keyboard backlight have a keyboard function key to turn the backlight on or off—try that first. If not, there is likely a setting in Windows Control Panel, or possibly the BIOS. Replacing the backlight is the last resort.

Question 34

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

A. Backlight

B. Inverter

C. Screen

D. Digitizer

Answer 34

A. Backlight

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

Question 35

Which of the following are standards used by coaxial cable? (Choose two.)

A. RG-6

B. RG-59

C. RJ-11

D. RJ-45

Answer 35

A. RG-6

B. RG-59

RG-6 and RG-59 are coaxial cable standards. RJ-11 and RJ-45 are connectors used with twisted-pair cabling.

Question 36

You are troubleshooting a network issue. What feature do switches most likely have to help troubleshoot connectivity issues?

A. Port toggles

B. Beep codes

C. Indicator lights

D. Log entries

Answer 36

C. Indicator lights

Switches and other connectivity devices have indicator lights to help indicate when things are working normally and when something isn’t working right. 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.

Question 37

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

A. Plenum

B. Fiber

C. Coaxial

D. Unshielded twisted-pai

A. Plenum

Answer 37

A. 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 when burned. For air ventilation spaces, plenum-grade cable is required. All cable types have plenum-rated versions.

Question 38

A user has asked you to install a RAID array. Except in the case of RAID 0, which two things do all types of RAID offer? (Choose two.)

A. Faster read speeds

B. Faster write speeds

C. Redundancy

D. Fault tolerance

E. Ability to restore automatically from tape after a drive failure

Answer 38

C. Redundancy

D. 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. Some RAID types offer faster read and/or write performance. RAID 1, for instance, does not guarantee either.

Question 39

A user calls to report that his laptop is not booting up. What is the first step you should take?

A. Quarantine the system

B. Identify the problem

C. Establish a theory of probable cause

D. Establish a plan of action to resolve the problem

Answer 39

B. Identify the problem

In the best practice methodology to resolve problems, the first step is to identify the problem. Quarantining the system is not necessary. Establishing a theory of probable cause is the second step, and establishing a plan of action is the fourth step.

Question 40

Your laser printer has recently starting printing vertical white lines on documents it prints. What is the most likely cause of the problem?

A. The printer 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.

Answer 40

C. There is toner on the transfer corona wire.

White streaks on printouts are most likely caused by toner on the transfer corona wire. Vertical black lines are caused by a scratch or a groove in the EP drum. If the fuser were not heating properly, toner would not bond to the paper, and you would have smearing. Faulty printer drivers will cause garbage to print, or there will be no printing at all.

Question 41

What is the component called that stores the material that ends up printed to the page by a laser printer?

A. Toner cartridge

B. Ink cartridge

C. Laser module

D. Laser cartridge

Answer 41

A. Toner cartridge

Laser printers use toner, which they melt to the page in the image of the text and graphics being printed. A toner cartridge holds the fine toner dust until it is used in the printing process.