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Comptia A+ > 220-901 Exam > Flashcards

220-901 Exam Flashcards

1
Q 
Which of the memory types listed below are designed to store permanent data that cannot be changed? (Select all that apply)
   RAM
   EPROM
   ROM	
   PROM	
   EEPROM
A

ROM

PROM

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2
Q

Which of the answers listed below describe(s) the characteristics of Dual In-line Memory Modules (DIMMs)? (Select all that apply)
Printed Circuit Board (PCB) type used as a placeholder for memory chips
32-bit data path
Separate electrical contacts on each side of the module
Obsolete memory packaging type used only in legacy systems
64-bit data path
Unified electrical contact surface spanning both sides of the module
Used with various SDRAM memory types (SDR, DDR, DDR2, and DDR3)

A

Printed Circuit Board (PCB) type used as a placeholder for memory chips

Separate electrical contacts on each side of the module

64-bit data path

Used with various SDRAM memory types (SDR, DDR, DDR2, and DDR3)

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3
Q 
Which of the following answers list(s) example(s) of storage media type(s) that can be read, but not written to? (Select all that apply)
   BD-R	
   CD-ROM	
   DVD-RW
   BD-RE	
   DVD-ROM	
   CD-RW
A

CD-ROM

DVD-ROM

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4
Q 
Which of the following is an example of Write Once, Read Many (WORM) storage media type?
   BD-R	( Missed)
   Flash drive
   CD-RW
   Magnetic tape
   CD-ROM
A

BD-R

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5
Q

What are the storage limitations of a standard CD-ROM media format? (Select 2 answers)
Less than 800 MB of data storage capacity
120 minutes of uncompressed audio
More than 800 MB of data storage capacity
Up to 80 minutes of uncompressed audio

A

Less than 800 MB of data storage capacity

Up to 80 minutes of uncompressed audio

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6
Q 
Which of the following answers list(s) example(s) of storage media type(s) that can be erased and written to multiple times? (Select all that apply)
   BD-R
   CD-ROM
   DVD-RW	
   BD-RE	
   DVD-ROM
   CD-RW
A

DVD-RW
BD-RE
CD-RW

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7
Q 
Which of the acronyms listed below refers to a dedicated storage appliance that can be added to a local network?
   SPS
   NAS	
   SAN
   NFS
A

NAS

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8
Q 
Which of the following answers list(s) example(s) of hot-swappable drives? (Select all that apply)
   USB drive	
   PATA drive
   FireWire drive	
   IDE drive
   SATA drive	
   eSATA drive
A

USB drive
FireWire drive
SATA drive
eSATA drive

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9
Q 
A type of media used as a secondary system storage in tablets and mobile phones is known as:
   CF
   Mini-SD
   eMMC	
   Micro-SD	
   xD
A

eMMC

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10
Q

The term “Disk duplexing” refers to a more reliable RAID Level 1 configuration setup where each disk relies on its own hardware that controls the drive.
True
False

A

True

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11
Q

RAID Level 5: (Select 2 answers)
Requires at least 2 drives to implement
Continues to operate in case of failure of more than 1 drive
Requires at least 3 drives to implement
Offers increased performance and fault tolerance (single drive failure does not destroy the array and lost data can be re-created by the remaining drives)
Requires at least 4 drives to implement

A

Requires at least 3 drives to implement
Offers increased performance and fault tolerance (single drive failure does not destroy the array and lost data can be re-created by the remaining drives)

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12
Q 
Which of the following RAID array types has the highest disk overhead?
   RAID Level 3
   RAID Level 5	
   RAID Level 6
   RAID Level 1
A

RAID Level 1

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13
Q 
RAID Level 10 requires a minimum of:
   2 drives
   3 drives
   4 drives	
   5 drives
A

4 Drives

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14
Q 
Which of the answers listed below refer to a nested (hybrid) RAID level? (Select 2 answers)
   RAID 0
   RAID 1
   RAID 1+0	
   RAID 5	
   RAID 10
A

RAID 1+0
RAID 5
RAID 10

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15
Q

Which of the following statements describing the Blu-ray Disc (BD) technology are true? (Select 4 answers)
A standard-size single-layer Blu-ray disc can store up to 15 GB of data
BD-RE discs can be erased and written to multiple times
A standard-size dual-layer Blu-ray disc can store up to 50 GB of data
BD-R discs can be written to once
A standard-size single-layer Blu-ray disc can store up to 25 GB of data
BD-RE discs can be written to once
A standard-size dual-layer Blu-ray disc can store up to 30 GB of data
BD-R discs can be erased and written to multiple times

A
  • BD-RE discs can be erased and written to multiple times
  • A standard-size dual-layer Blu-ray disc can store up to 50 GB of data
  • BD-R discs can be written to once
  • A standard-size single-layer Blu-ray disc can store up to 25 GB of data
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16
Q

Which of the following answers lists an HDD form factor used in desktops?

  1. 25-inch
  2. 5-inch
  3. 5-inch
  4. 8-inch
A

3.5 Inch

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17
Q 
Which of the following methods provides the most effective way for permanent removal of data stored on a magnetic drive?
   Quick format
   Overwriting data	
   Degaussing	
   Low-level format
A

Degaussing

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18
Q

What is the HDD form factor used in laptops?

  1. 5-inch
  2. 25-inch
  3. 8-inch
  4. 5-inch
A

2.5 Inch

19
Q

The /F switch of the CHKDSK utility:
Locates bad sectors and recovers readable information
Fixes errors on the disk
Displays cleanup messages
Displays the full path and name of every file on the disk

A

Fixes errors on the disk

20
Q 
Which of the following tools would be the most appropriate to clean the inside of a laser printer? (Select all that apply)
   Toner vacuum	
   Can of compressed air	
   Regular vacuum
   Cleaning brush
A

Toner vacuum

Can of compressed air

21
Q 
A set of printer replacement parts is commonly referred to as:
   Spare kit	
   Field Replaceable Unit (FRU)
   Maintenance kit	
   Standard technician toolkit
A

Maintenance Kit

22
Q

Which of the following steps would ensure the proper re-assembly of a serviced laptop? (Select all that apply)
Usage of appropriate hand tools
Documenting and labeling cable and screw locations
Magnetic mat/separate containers used for holding disassembled parts
Removing dust buildup inside the laptop case
Manufacturer documentation used as a reference

A

Usage of appropriate hand tools

Documenting and labeling cable and screw locations

Magnetic mat/separate containers used for holding disassembled parts

Manufacturer documentation used as a reference

23
Q 
The following Windows command-line command can be used to display a list of domains, computers, or shared resources available on a specific computer.
   NET VIEW	
   REG
   NETSTAT
   VIEW
A

NET VIEW

24
Q

Similarly to magnetic drives, Solid State-Drives (SSDs) require periodic defragmentation in order to improve system performance.
True
False

A

FALSE

25
Q 
Windows Recovery Environment (WinRE) offers a set of tools and utilities to troubleshoot Windows startup issues. Which of the command-line commands launches a tool for manual troubleshooting of problems related to master boot record (MBR), boot sector, and Boot Configuration Data (BCD) store in Windows RE Command Prompt?
   DISKPART
   BOOTREC.EXE	
   CHKDSK
   FIXBOOT
A

BOOTREC.EXE

26
Q

The /R switch of the CHKDSK utility: (Select all that apply)
Displays cleanup messages
Locates bad sectors and recovers readable information
Uses more system resource to perform a scan as fast as possible
Displays the full path and name of every file on the disk
Fixes errors on the disk

A

Locates bad sectors and recovers readable information

Fixes errors on the disk

27
Q 
Which of the following could cause slow performance of a hard drive? (Select 2 answers)
   Disk striping
   File fragmentation	
   Disk mirroring	
   Insufficient amount of RAM	
   Disk duplexing
A

File fragmentation

Insufficient amount of RAM

28
Q 
Which of the tools listed below can be used to isolate a failing hardware component inside the PC case? (Select all that apply)
   POST card	
   Loopback plug	
   Tone probe
   PSU tester	
   Maintenance kit
   Tone generator
   Multimeter
A

POST card
Loopback Plug
PSU Tester
Multimeter

29
Q

Which of the following actions would solve the problem of leaking/burst/bulged capacitors inside the computer case? (Select 2 answers)
Motherboard replacement
Central Processing Unit (CPU) replacement
Memory module replacement
Power Supply Unit (PSU) replacement
Capacitor replacement

A

Motherboard replacement

Capacitor replacement

30
Q 
Which of the following POST beep codes indicates video adapter card failure?
   Single, short beep
   Long continuous beep tone	
   Steady, short beeps
   One long, two short beeps
A

One long, two short beeps

31
Q 
Which of the POST beep codes would be an indicator of RAM failure?
   One long, two short beeps
   Long continuous beep tone	
   One short beep
   Steady, short beeps
A

Long continuous beep tone

32
Q 
The File Transfer Protocol (FTP) Control Connection for administering a session is established through port number:
   20
   22	
   21	
   25
A

21

33
Q 
The File Transfer Protocol (FTP) Data Connection for sending file data is established through port number:
   23
   25
   20	
   21
A

20

34
Q 
The Secure Shell (SSH) protocol uses:
   Port 23
   Port 25	
   Port 21
   Port 22
A

22

35
Q 
Port number 23 is assigned to:
   Secure Shell (SSH)
   File Transfer Protocol (FTP)
   Telnet	
   Simple Mail Transfer Protocol (SMTP)
A

Telnet

36
Q 
Simple Mail Transfer Protocol (SMTP) operates with the use of port:
   110
   25	
   143	
   23
A

25

37
Q 
Which of the following port numbers is used by Domain Name System (DNS)?
   25
   23
   53	
   67
A

53

38
Q 
Post Office Protocol v3 (POP3) runs on port:
   110	
   143
   123
   443
A

110

39
Q 
Port 143 is assigned to:
   Hypertext Transfer Protocol (HTTP)
   Simple Mail Transfer Protocol (SMTP)
   Internet Message Access Protocol (IMAP)	
   Remote Desktop Protocol (RDP)
A

IMAP

40
Q 
Which of the port numbers listed below is used by Hypertext Transfer Protocol over TLS/SSL (HTTPS)?
   80
   443	
   53	
   143
A

443

41
Q 
Which of the following port numbers are reserved for NetBIOS services? (Select all that apply)
   136
   161	
   137	
   162	
   138	
   139
A

137
138
139

42
Q 
What is the port number for Service Location Protocol (SLP)?
   143
   427	
   548	
   443
A

427

43
Q 
Which of the port numbers listed below is used by an Apple-proprietary file services protocol?
   427	
   443
   445
   548
A

548

Comptia A+ (1 decks)

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