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CompTia A+ 1101 Practice test and Reviews > CompTia A+ 1101 Review > Flashcards

CompTia A+ 1101 Review Flashcards

1
Q

What are the 6 Steps of troubleshooting?

A
  1. Identify the problem
  2. Create a theory of Probable Cause
  3. Test the Theory/Determine the Cause
  4. Create a Plan of Action
  5. Verify System Functionality
  6. Document Findings, Actions and Outcomes
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2
Q

A user reports that their system occassionally boots to a blank screen and doesn’t respond once the system turns off the monitor. What is your first step in troubleshooting?

  1. Replace the video card
  2. Replace the monitor
  3. Test system RAM
  4. Check Event Viewer logs
A

Check Event View Logs

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3
Q

What does POST stand for?

A

Power-On Self Test

The POST is a special software stored on your system’s read only memory (ROM), which runs every time your machine boots . It runs a check on system components to ensure that they are working properly.

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4
Q

What is IOPS?

A

Input /Output operations Per Second

IOPS is the number of read/write operations a storage device, such as a NAS, or RAID device, can perform per second. A decline in the IOPS number of a storage device can be an indication of a failure.

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5
Q

What does RAID stand for?

A

Redundant Array of Independent Disks

RAID is a standard for providing redundancy within disk drives to protect data.

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6
Q

A user recently reported that every few days the system clock is approximately three minutes behind. The user also received an error message on the BIOS screen. Which of the following would MOST likely fix the clock issue?

A. Enable dual channel memory by adding a second RAM stick
B. Install a new power supply
C. Replace the motherboard’s CMOS battery
D. Configure the PC to be an NTP server.

A

C. Replace the motherboard CMOS battery

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7
Q

A technician is replacing a laptop’s HDD with an SSD. Which of the following should the technician do FIRST?

A. Create a backup of the HDD
B. Upgrade the RAM on the laptop
C. Enable SSD support at BIOS
D. Install SSD drivers inside the OS.

A

A. Create a backup of the HDD

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8
Q

A technician needs to replace a failed power supply. The server contains two processors that need 100w, five hard drive that need 9w, and a GPU that uses 200w. Which of the following power supplies should the technician use?

A. 375W
B. 425W
C. 325W
D. 500W

A

D. 500W

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9
Q

An organization uses a cloud storage service to store company files. The file synchronization client for this cloud service is installed on every user’s computer. One user reports that a file synced with the client to their computer does not contain information a co-worker of theirs added earlier today. Indicate the BEST action to take when troubleshooting this problem.

A. Exit the cloud service’s client that is locally installed, restart the computer, and check to see if the file contains the information that is missing.

B. Visit the cloud service’s website, locate the service status page, and determine if their is a service outage impacting the organization.

C. Open the cloud service’s client that is locally installed, determine if there are any reported errors and, follow the steps provided to correct the synchronization errors.

D. Open the cloud service’s client that is locally installed and check to see if there are are any updates available for the client.

A

C. Open the cloud service’s client that is locally installed, determine if there are any reported errors and, follow the steps provided to correct the synchronization errors.

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10
Q

A technician is helping a user configure a new mobile phone. The user could pay for purchases with the previous phone by touching the phone to the payment system. Which feature should the technician enable so that the user can use the new phone to also pay for purchases this way?

A

NFC or Near-Field Communication

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11
Q

A user with a new 5G smartphone notices the device has separated at the seam on one edge, and is measurably thicker at that point. Which of the following actions should the user take FIRST?

A. Power off the smartphone and place it in a bucket of rice for 48 hours
B. Place the smartphone in a refrigerator between 1.6 C and 4.4 C overnight
C. Fully deplete the phone’s battery and then charge it to 100%
D. Contact the smartphone manufacturer for warranty support.

A

D. Contact the smartphone manufacturer for warranty support.

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12
Q

Which of the following technologies has the FASTEST connection speed?

A. Fiber
B. Satellite
C. DSL
D. Cable

A

A. Fiber

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13
Q

A PC in a conference room will be connected to a large screen TV for video presentations during training sessions. Which of the following video connectors is the MOST likely choice for this environment?

A. Video Graphics Array
B. ThunderBolt
C. Digital Visual Interface
D. High-Definition Multimedia Interface

A

D. High-Definition Multimedia Interface or HDMI

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14
Q

Which of the following provides the portability of a mobile phone and functionality of a laptop/desktop?

A. Tablet
B. GPS Unit
C. E-Reader
D. Fitness Monitor

A

A. Tablet

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15
Q

A user brings in a smartphone for repair. The device is unable to send/receive calls or connect to WiFi. All applications on the device are working unless they require connectivity. Which of the following is MOST likely causing the problem?

A. Airplane Mode
B. Tethering
C. Disabled HotSpot
D. VPN

A

A. Airplane Mode

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16
Q

A human resources manager requests wireless APs to be set up for the office. A server will manage the wireless settings, and authorized devices should be able to access the confidential records over WiFi. Which of the following settings should be configured to meet the requirements?

A. WPA2 encryption, UPnP and MAC filtering
B. WPA encryption, UPnP, and blocklisting
C.WPA encryption, infrastructure mode, and MAC filtering
D. WPA2 encryption, infrastructure mode, and QoS.

A

C. WPA encryption, infrastructure mode and MAC filtering

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17
Q

Which of the following connector types can be plugged into a device both right side up and upside down?

A. USB
B. USB C
C. Mini-USB
D. Micro-USB

A

B. USB- C

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18
Q

A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for online gaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of the following connection types would the user MOST likely utilize to connect the video card to the motherboard?

A. PCIe
B. ISA
C. AGP
D. USB

A

A. PCIe

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19
Q

Which of the following peripheral types is MOST likely to be used to input actions into a PC?

A. Webcam
B. Mouse
C. Monitor
D. Optical Drive

A

B. Mouse

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20
Q

Which of the following resource types would be BEST suited to saving photographs from a mobile device with limited on-board storage?

A. Cloud file services
B. Virtual sesktop
C. Off-site email
D. Resource Pooling

A

A. Cloud file services

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21
Q

An engineer’s workstation experiences a BSOD whenever loading a very large CAD files to modify. Which of the following troubleshooting steps should a technician take to isolate the issue?

A. Install Additional RAM rated at the fastest speed the motherboard will support.
B. Perform a hard drive scan to identify and lock out any bad sectors from use.
C. Run a memory test to verify all memory addresses can be reliably written to and read from.
D. Increase the size of the swap file to ensure adequate virtual memory is available.

A

C. Run a memory test to verify all memory addresses can be reliably written to and read from.

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22
Q

A user is unable to browse internet websites. A technician runs ipconfig and sees the following output:

IP address : 192.168.0.31
Subnet Mask : 255.255.255.0
Default Gateway : 192.168.0.254

The technician pings the gateway and gets a reply. The technician then pings an external IP address and also gets a reply. Which of the following commands would MOST likely resolve the issue?

A. netstat -nbt
B. netsh int ip reset
C. ipconfig/flushdns
D. nslookup 192.168.0.254

A

C. ipconfig/flushdns

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23
Q

What is a LAN?

A

A network that covers a relatively small area such as a building.

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24
Q

What is an MDM?

A

Mobile Device Management (MDM), is a type of security software that enables organizations to secure, monitor, manage and enforce policies on employees mobile devices.

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25
Q

What does an MAM allow organizations to do?

A

Mobile Application Management (MAM), gives organizations control over setting policies and restrictions on apps as well as distribute mobile applications used in an enterprise setting.

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26
Q

What uses TCP port 20 and 21?

A

FTP

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27
Q

What does FTP use TCP port 20 for?

A

Data Transfers

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28
Q

File Transfer Protocol (FTP) TCP port 21 is used to

A

Control Data Transfers

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29
Q

What is the protocol that uses TCP port 22?

A

SSH (Secure Shell)

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30
Q

What is the advantage of using SSH vs Telnet?

A

SSH (Secure Shell) is encrypted vs Telnet is not encrypted.

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31
Q

Telnet uses which port number?

A

TCP port 23

32
Q

What protocol uses TCP port 25?

A

SMTP (Simple Mail Transfer Protocol)

33
Q

What is SMTP used for?

A

SImple Mail Transfer Protocol is used for transmitting emails between servers and clients.

34
Q

What protocol uses UDP Port 53?

A

DNS (Domain Name System)

35
Q

What is the function of DNS?

A

The function of DNS to convert names to IP addresses making web browsing easier to use.

36
Q

What ports does DHCP use?

A

UDP port 67/68

37
Q

What is the function of DHCP?

A

Dynamic Host Configuration Protocol (DHCP) allows devices to obtain an IP address and other network configuration settings automatically from a DHCP server.

38
Q

What are the three primary types of network cables?

A

Coaxial, Twisted Pair and Fiber.

39
Q

CAT5e is rated at a speed of 1Gbps at a what max distance?

A

100 meters

40
Q

What advantages did CAT5e have over CAT5?

A

Less interference due to separation of the four twisted pairs from each other and more twists along the pairs.

41
Q

CAT 6 and CAT6A are rated at what max speed?

A

10Gbps

42
Q

Which one of these cables are used for cable television?

A. RG 6
B. RG 59
C. RS 232
D. ST

A

B. RG 59

43
Q

Which of these cables are used for satellite/ cable modems?

A. RG 6
B. RG 59
C. RS 232
D. PoE

A

A. RG 6

44
Q

Which of these standards start with a twisted orange/white pair?

A. T 586A
B. T 568A
C. T 568B
D. T 586B

A

C. T568B

45
Q

Which RJ 45 standard uses a twisted green/white pair as the first pair?

A

T568A

46
Q

An F type connector is used in what kind of network cable?

A

Coaxial cable

47
Q

Which of the fiber optics connector types would be BEST suited for an office and data center use due to its size?

A. SC
B. ST
C. RG 6
D. LC

A

D. LC

48
Q

RAID 1 requires a minimum of how many drives?

A

2 drives

49
Q

RAID 10 ( 1 + 0 ) needs at minimum how many drives?

A

4 drives

50
Q

What is Striping?

A

Striping is a method of storing part of the data on each drive in an array.

51
Q

Which of these RAID configurations provide only striping as a method of storage with no redundancy?

A. RAID 5
B. RAID 1
C. RAID 1 + 0
D. RAID 0

A

D. RAID 0

52
Q

Which of these RAID configurations use Striping as a storage method while allowing redundancy with a minimum of 3 drives needed?

A. RAID 5
B. RAID 0
C. RAID 10
D. RAID 1

A

A. RAID 5

53
Q

Which RAID configuration provides full redundancy by using both mirroring and striping?

A

RAID 10 or RAID 1 + 0

54
Q

LDAP uses what port to communicate?

A

TCP 389

55
Q

SNMP sends alerts (or traps) via what protocol?

A

UDP 162

56
Q

SNMP uses which port for queries?

A

UDP 161

57
Q

Which protocol uses TCP 3389?

A

RDP

58
Q

Which service uses port 445?

A

SMB (server message block)

59
Q

What is the max number of drive failures under RAID 6 at which the array will still function?

A

2 drive failures

60
Q

Running SCSI commands over ethernet is called _______?

A

iSCSI

61
Q

Which of the following is the default subnet mask for IP address 192.168.1.1?

255.255.0.0
255.0.0.0
255.255.255.0
0.0.0

A

255.255.255.0

62
Q

Which environmental issue affects a thermal printer the most?

Moisture
ESD
Dirt
Heat

A

Heat

63
Q

Which of the following is the Minimum category cable needed for 1000Bas-T?

CAT 5
CAT5e
CAT6
CAT6A

A

CAT5e

64
Q

The two most critical components in a virtualization workstation are a powerful CPU and what?

A

RAM

65
Q

Which chip is usually found on modern motherboards?

A

South Bridge

66
Q

Which is not valid Thunderbolt speed?

10Gbps
20Gbps
30Gbps
40Gbps

A

30Gbps

67
Q

A tech might use a voltage tester or this tool to check power coming out of a wall socket?

A

Voltmeter

68
Q

What does 255 mean in a subnet?

The octet is part of the host address
The octet is part of the network address

A

The octet is part of the network address

69
Q

To prevent random people from booting the OS a tech should do what?

A

Set a user password

70
Q

What color is a PS/2 cable?

A

Green

71
Q

Which is found in BIOS?

CMOS Battery
Services
Real time clock
Good power wire

A

Services

72
Q

Bios programs that enable hardware to function are called what?

A

Services

73
Q

What goes at the end of an ethernet frame?

A

Frame check sequence (FCS)

74
Q

How are WANS identified?

MAC address
Physical address
Logical address
Ethernet address

A

Logical address

75
Q

A class A IP address has how many LOCKED octets?

A

One

76
Q

How does a switch know the MAC address of connected devices?

A

The switch learns the MAC addresses of connected devices by watching frames.

77
Q

SSDS are organized into Logical blocks, but their memory storage cells are called ________.

A

Pages

CompTia A+ 1101 Practice test and Reviews (2 decks)

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