Review Guide: 220-901 Practice Exam 1

Question 1

How many bits are included in IPv4 binary addresses?

A. 4

B. 16

C. 32

D. 256

Answer 1

C. 32

IP addresses are 32-bit binary numbers.

Question 2

What is the process of updating the BIOS called?

A. Pairing

B. Elevating

C. Flashing

D. Flushing

Answer 2

C. Flashing

The process is referred to as flashing the BIOS. It simply means the old instructions are deleted from the EEPROM chip and the new instructions are written to the chip.

Question 3

An IP address of 104.16.3.1 falls into which network class?

A. Class A

B. Class B

C. Class C

D. Class D

Answer 3

A. Class A

An address in which the first octet is between 1 and 126 is a Class A address.

Question 4

Which type of networking utilizes POTS?

A. DSL

B. ISDN

C. Cable

D. Dial-up

Answer 4

D. Dial-up

With dial-up, you simply add a modem to your computer and connect to an Internet service provider (ISP) over the existing phone lines—also known as the Plain Old Telephone System (POTS) or the Public Switched Telephone Network (PSTN).

Question 5

Which of the following is not an advantage of using flash memory for storage as opposed to a hard drive?

A. Reduced heat

B. Lower cost

C. Lower power consumption

D. Less noise

Answer 5

B. Lower cost

The advantages are reduced heat, lower power consumption, less noise, and better reliability since you have no moving parts. The disadvantages are higher cost and less capacity.

Question 6

Which of the following is considered the IPv4 loopback address?

A. 0.0.0.1

B. 127.0.0.1

C. 192.168.0.1

D. 255.255.255.255

Answer 6

B. 127.0.0.1

On all TCP/IP IPv4 implementations, 127.0.0.1 is the loopback address.

Question 7

Which of the following is any machine or interface that participates in a TCP/IP network?

A. Workstation

B. Host

C. Client

D. Server

Answer 7

B. Host

A host is any machine or interface that participates in a TCP/IP network, whether as a client or as a server. Every interface on a TCP/IP network that must be issued an IP address is considered a host.

Question 8

What type of PC card is used for memory?

A. Type I.

B. Type II.

C. Type III.

D. PCMCIA cards cannot be used for memory.

Answer 8

A. Type I.

Type I is used mostly for memory. These are rarely used in today’s systems since the new laptops have other means of increasing memory, such as SODIMMs.

Question 9

What is the autoconfigured address range in IPv6?

A. FE80::

B. :::0

C. 169.254.0.0

D. 255.255.255.0

Answer 9

A. FE80::

The autoconfigured address range in IPv6 is FE80::. In IPv4, it is 169.254.0.0.

Question 10

Which of the following services leases IP addresses to hosts?

A. DNS

B. DHCP

C. NFS

D. Telnet

Answer 10

B. DHCP

The DHCP service leases IP addresses to hosts and automatically configures them to use the TCP/IP network.

Question 11

An IPv4 address of 194.16.3.1 falls into which network class?

A. Class A

B. Class B

C. Class C

D. Class D

Answer 11

C. Class C

An address in which the first octet is between 192 and 223 is a Class C address.

Question 12

What is the default subnet mask for a Class B address in IPv4?

A. 255.0.0.0

B. 255.255.0.0

C. 255.255.255.0

D. 255.255.255.255

Answer 12

B. 255.255.0.0

The default subnet mask for a Class B address is 255.255.0.0.

Question 13

Laptops often allow you to switch the display to an external monitor. This is accomplished through what type of key combination?

A. Alt

B. Ctrl

C. Fn

D. Shift

Answer 13

C. Fn

This is accomplished through an Fn key combination (for example, Fn+F8 on most Dells, Fn+F4 on many HPs, and so on).

Question 14

Which of the following networking terms is used to signify delays?

A. Bandwidth

B. Complicity

C. Collusion

D. Latency

Answer 14

D. Latency

Latency is the networking term used for delays

Question 15

Replacing which of the following items usually requires soldering?

A. DC jack

B. Battery

C. Touchpad

D. Antenna

Answer 15

A. DC jack

Replacing a bad DC jack usually requires soldering. If this is not a skill you possess, just replace the motherboard.

Question 16

Which connectors are used to connect a DSL modem to a network card and to a phone line? (Choose two.)

A. RJ-8

B. RJ-11

C. RJ-45

D. RJ-60

Answer 16

B. RJ-11

C. RJ-45

The network card connects to the DSL modem using a standard RJ-45 connector, and the DSL modem connects to the phone jack using a phone cord that has RJ-11 connectors.

Question 17

What motor is used by an impact printer to move the print head back and forth?

A. Klemson

B. Stepper

C. Wangle

D. Ladder

Answer 17

B. Stepper

A stepper motor is a motor that can move in small increments. Printers use stepper motors to move the print head back and forth as well as to advance the paper.

Question 18

Which type of network cable is a specific type rated for use in heating and air-conditioning systems?

A. UTP

B. STP

C. Plenum

D. Phlegm

Answer 18

C. Plenum

Plenum cable is a specific type of cable that is rated for use in plenum spaces. Plenum spaces are areas in a building used for heating and air-conditioning systems.

Question 19

Which of the following is similar to an inkjet printer with the exception that there is a small heater used to heat the ink?

A. Dye jet

B. Heat jet

C. Twist jet

D. Bubble jet

Answer 19

D. Bubble jet

Bubble jet printers are similar to inkjet with the exception that there is a small heater used to heat the ink.

Question 20

Which of the following takes the DC power the laptop is providing and boosts it up to AC to run the backlight?

A. Converter

B. Inverter

C. Polarizer

D. Adapter

Answer 20

B. Inverter

The inverter takes the DC power the laptop is providing and boosts it up to AC to run the backlight.

Question 21

What is the first step in the laser printing process?

A. Cleaning

B. Conditioning

C. Writing

D. Developing

Answer 21

A. Cleaning

In the first part of the laser print process, a rubber blade inside the EP cartridge scrapes any toner left on the drum into a used-toner receptacle inside the EP cartridge, and a fluorescent lamp discharges any remaining charge on the photosensitive drum (remember that the drum, being photosensitive, loses its charge when exposed to light).

Question 22

What is the diagnostics process that occurs during every startup called?

A. POST

B. Regedit

C. Polling

D. Syslog

Answer 22

A. POST

Every computer has a diagnostic program built into its BIOS called the power-on self-test (POST). When you turn on the computer, it executes this set of diagnostics.

Question 23

What is the most common reason for moving the DVD drive to the top of the boot order?

A. To listen to music on the DVD

B. To install an operating system

C. To copy data off the DVD

D. To boot to an operating system on the DVD

Answer 23

B. To install an operating system

Although it is possible to boot to an operating system on a DVD, that is not the most common reason for moving the DVD to the top of the list. You might set the DVD drive first to boot from a Windows 7 Setup disk on a system that already contains an operating system.

Question 24

Which of the following form factors is normally used for set-top boxes, media centers, and car computers?

A. ATX

B. AT

C. Mini-ITX

D. Nano-ATX

Answer 24

D. Nano-ATX

The Nano-ITX is even smaller than the Mini-ITX and is used for set-top boxes, media centers, and car computers.

Question 25

The system board’s underlying circuitry is called the __________.

A. Backplane

B. Bus

C. Backbone

D. Artery

Answer 25

B. Bus

The computer’s bus moves information into and out of the processor and other devices.

Question 26

At what port does Telnet run?

A. 3

B. 13

C. 23

D. 33

Answer 26

C. 23

Telnet runs at port 23.

Question 27

What is the firmware called that contains settings that can be manipulated and diagnostic utilities that can be used to monitor the device?

A. Registry

B. BIOS

C. CMOS

D. TPM

Answer 27

B. BIOS

This firmware called the Basic Input/Output System (BIOS) contains settings that can be manipulated and diagnostic utilities that can be used to monitor the device.

Question 28

Which of the following slot types used for video is being replaced by PCI Express?

A. PCI

B. PCI-X

C. AGP

D. CNR

Answer 28

C. AGP

As systems got faster, PC game players wanted games that had better graphics, more realism, and more speed. However, as the computers got faster, the video technology couldn’t seem to keep up, even with the PCI bus. The AGP bus was developed to meet this need. Since 2004 this has been increasingly replaced by PCI Express.

Question 29

Which of the following items cannot be set through CMOS setup?

A. IP address

B. Port settings

C. Boot order

D. Date and time

Answer 29

A. IP address

The most common settings to adjust in CMOS include port settings (parallel, serial, USB), drive types, boot sequence, date and time, and virus/security protections, but they do not include IP address.

Question 30

When a system keeps losing the proper date and time, what is usually the problem?

A. Dead CMOS battery

B. Bad NIC

C. Bad network cable

D. Missing service pack

Answer 30

A. Dead CMOS battery

When the PC is not keeping the correct time or date when turned off, it is usually a CMOS battery issue and a warning that the battery is going to die soon.

Question 31

________________ is a measurement of the rate at which the clock signal oscillates and is expressed in millions of cycles per second or megahertz.

A. Wire speed

B. Clock rate

C. Primary rate

D. Clock cycle

Answer 31

B. Clock rate

The clock speed, or external speed, is the speed at which the motherboard communicates with the CPU. It’s determined by the motherboard, and its cadence is set by a quartz crystal (the system crystal) that generates regular electrical pulses.

Question 32

What value represents the relationship between the speed of the CPU and that of the motherboard bus speed?

A. CPU vector

B. Multiplier

C. Clock balance

D. Bus conversion

Answer 32

B. Multiplier

When the proper CPU speed is known, you must make sure the relationship between the speed of the CPU and that of the motherboard bus is correct. This is done with a value called the multiplier.

Question 33

What technology allows for memory and CPU to be dynamically allocated to the VMs as required?

A. Network-based virtualization

B. Hardware-assisted virtualization

C. Hyperthreading

D. Multitasking

Answer 33

B. Hardware-assisted virtualization

The benefit derived from the virtualization product (also called a hypervisor) using hardware-assisted virtualization is that it allows the hypervisor to dynamically allocate memory and CPU to the VMs as required.

Question 34

What are two methods of recovering a forgotten BIOS password?

A. Rebooting the computer

B. Removing the CMOS battery

C. Reinstalling the operating system

D. Using the reset jumper in the motherboard

Answer 34

B. Removing the CMOS battery

To reset a forgotten password, you can remove the CMOS battery to reset everything. There also may be a Reset jumper on the motherboard.

Question 35

BitLocker is an example of wha

A. Virtualization

B. VPN security

C. Drive encryption

D. Malware isolation

Answer 35

C. Drive encryption

Many operating systems provide the ability to encrypt an entire volume or drive, protecting a mobile device’s data in the event of theft. A good example of this is BitLocker, which is available in Windows Vista, Windows 7, and Windows 8.

Question 36

The size and shape of a motherboard is called its _______________.

A. Form factor

B. Physical topology

C. Outline

D. Footprint

Answer 36

A. Form factor

There are a number of different sizes, or form factors, of motherboards.

Question 37

Which of the following is a chip found in the motherboard that can enhance drive encryption security?

A. CMOS

B. TPM

C. EEPROM

D. BIOS

Answer 37

B. TPM

When the device has a Trusted Platform Module (TPM) chip present on the motherboard, additional security and options become available for drive encryption.

Question 38

A _________________ once activated stays in contact with a monitoring center, allowing you to send the commands to lock the device and delete data via the center if the device is stolen.

A. TPM chip

B. LoJack

C. Wipe master

D. Remote cleaner

Answer 38

B. LoJack

LoJack is a product made by Absolute Software that allows you to remotely locate and lock the device and delete the data on a mobile device when it is stolen.

Question 39

Which of the following cannot be monitored in the BIOS?

A. Fan speeds

B. Network card traffic rate

C. Intrusion detection notifications

D. Temperature

Answer 39

B. Network card traffic rate

NIC traffic rates cannot be monitored in the BIOS.

Question 40

A BIOS intrusion detection notification informs you of what?

A. Unauthenticated logins

B. Opening of the case

C. Access to the BIOS

D. Malware attacks

Answer 40

B. Opening of the case

This may also be referred to as chassis intrusion detection or possibly a case open warning.

Question 41

Which of the following is the most common expansion slot found in PCs?

A. ISA

B. PCI

C. PCI-X

D. PCIe

Answer 41

D. PCIe

The PCIe or PCI Express is the most common slot found in today’s computers.

Question 42

Which of the following display connections provides the best picture?

A. DVI

B. VGA

C. DisplayPort

D. HDMI

Answer 42

D. HDMI

While both DVI and HDMI provide a high-quality digital picture, the HDMI connection will be the best.

Question 43

Which of the following devices goes into an AGP slot?

A. Video card

B. Memory

C. CPU

D. Sound card

Answer 43

A. Video card

Advanced Graphics Processor (AGP) slots were made to provide better support for video cards.

Question 44

Accelerometers and gyroscopes are used to manage what function in a mobile device?

A. GPS

B. Screen orientation

C. Geotracking

D. Wireless scanning

Answer 44

B. Screen orientation

Both accelerometers and gyroscopes can be used by mobile devices to determine the movement and tilt of the device. This means the device can tell which way the screen is being held. It uses this information to automatically adjust the display orientation appropriately with no action on the part of the user.

Question 45

Your mobile device is not responding correctly to your touch. What needs to be adjusted?

A. Calibration

B. Resolution

C. Refresh rate

D. Accelerometer

Answer 45

A. Calibration

For a touchscreen device to operate correctly—that is, for it to properly interpret your touch and react accordingly—it must be calibrated correctly. When you touch an item on the screen and nothing happens or a movement that normally results in an expected reaction does not, the calibration of the device is off.

Question 46

Which of the following cellular technologies offers the best potential performance?

A. HSPR

B. HSPR+

C. LTE

D. EVDO

Answer 46

C. LTE

4G Long Term Evolution (LTE) offers potential data rates competitive with 802.11 standards.

Question 47

Your mobile device is not changing the screen position when you move it. What component is malfunctioning?

A. Calibration

B. Resolution

C. Refresh rate

D. Accelerometer

Answer 47

D. Accelerometer

The accelerometer changes the screen orientation from landscape to portrait based on the position of the device. If it is not working correctly, this behavior will occur.

Question 48

Which of the following cellular technologies is also referred to as 4G?

A. HSPR

B. HSPR+

C. LTE

D. EVDO

Answer 48

C. LTE

4G or Long-Term Evolution (LTE) offers potential data rates competitive with 802.11 standards.

Question 49

Which of the following would most likely be the cause of vertical white lines running down a page coming from a laser printer?

A. A scratch in the EP drum

B. Jammed paper

C. Foreign matter on the transfer corona wire

D. Improper driver

Answer 49

C. Foreign matter on the transfer corona wire

The vertical white lines are caused by foreign matter (more than likely toner) caught on the transfer corona wire.

Question 50

Ghosting is occurring on paper coming from your laser printer. Which of the following would likely be causing this?

A. Bad HVPS unit

B. Broken fuser

C. Poor quality paper

D. Broken cleaning blade

Answer 50

D. Broken cleaning blade

Ghosting means you can see light images of previously printed pages on the current page. This is caused by one of two things: bad erasure lamps or a broken cleaning blade.