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MyCC > A+ Master Exam (Set 4) > Flashcards

A+ Master Exam (Set 4) Flashcards

1
Q

After working on a laptop for a while, Tim notices the battery seems low. After plugging it in, he notices that it does not begin to charge. Which is the first possible problem to check for?
A - Replace the battery
B - Adjust the power settings
C - Reseat the battery and cables
D - Be sure the AC adapter is plugged in properly

A

Often the cause of a battery not charging is the laptop simply not being plugged in properly.

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2
Q

Which is the definition of Ethernet over Power?
A - A device which controls the signal strength of an Ethernet network
B - A hacking method in which an Ethernet connection is overtaken by a faulty firewall
C - An adapter which allows for an Ethernet connection using an existing electrical wiring in a building
D - A method of delivering DC voltage over Cat 5 cabling to access points, wireless bridges, or wireless workgroup bridges in order to provide power to the unit

A

Ethernet over Power is an adapter which allows for an Ethernet connection using the existing electrical wiring in a building.

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3
Q 
If an inverter malfunctions, the whole \_\_\_\_\_\_\_\_\_\_ will need to be replaced.
	A -	CPU
	B -	video card
	C -	circuit board
	D -	motherboard
A

If an inverter malfunctions, the whole circuit board will need to be replaced.

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4
Q 
Which express card type allows users to connect a 1.8-inch hard drive to a computer?
	A -	Express card /34
	B -	Express card /54
	C -	Express card /74
	D -	Express card /94
A

The express card /54 is thick enough to hold a 1.8-inch hard drive.

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5
Q 
Which are parts of an inkjet printer? Choose five answers.
	A	Feeder
	B	Fulcrum
	C	Carriage
	D	Print head
	E	Alternator
	F	Ink cartridge
	G	Duplexing assembly
A

Feeder, carriage, print head, ink cartridge, and the duplexing assembly are parts of an inkjet printer.

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6
Q 
Tim has been working on a customer's computer, and begins to experience frequent system lockups. Which might he check first?
	A -	Battery
	B -	PC temperature
	C -	Recent updates
	D -	Boot order in the BIOS
A

If the BIOS settings dictate that the system automatically shut down due to a high temperature, a system lockup is also possible.

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7
Q 
Which ports are reserved for the AFP protocol? Choose two answers.
	A	Port 80
	B	Port 427
	C	Port 443
	D	Port 548
A

Port 427 and port 548 are reserved for the AFP protocol.

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8
Q 
On newer computers, where do the northbridge functions reside?
	A -	CPU
	B -	RAM
	C -	CMOS
	D -	Hard drive
A

On newer computers, the northbridge function resides in the CPU.

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9
Q

The most likely cause of a PC that will not power on is a faulty power supply or a bad connection to the power supply.
True
False

A

If attempting to power on a PC which produces no results, the most likely cause is a faulty power supply.

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10
Q 
Which type of expansion card is used to obtain video from a VCR, DVD, or other source?
	A -	DVR
	B -	Riser
	C -	TV tuner
	D -	Video capture
A

A video capture expansion card is used to obtain video from a VCR, DVD, or other source.

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11
Q 
Which is a type of fan connector?
	A -	PIX
	B -	Pinx
	C -	Molex
	D -	Simplex
A

Molex is a type of fan connector.

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12
Q 
Which type of cable connector is used on cables that transmit phone conversations?
	A -	SC
	B -	RJ-11
	C -	RJ-45
	D -	Coaxial
A

The RJ-11 cable is a twisted-pair cable that transmits data for phone conversations.

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13
Q 
Which is an example of a set-top box device?
	A -	Netflix
	B -	Smart TV
	C -	Apple TV
	D -	Amazon Prime
A

Apple TV is an example of a set-top box device.

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14
Q

While working on a PC for a customer, Kim comes across a RAID not found error. Which are the likely causes of this? Choose three answers.
A The RAM is not seated properly
B The RAID may not be set up properly
C RAID may not be supported on the system
D The RAID functionality may not be enabled in the BIOS

A

The most common reasons for a RAID not found error are RAID not being set up properly, RAID not being enabled in the BIOS settings, or a lack of RAID support.

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15
Q 
Which are different types of aspect ratios? Choose three answers.
	A	4:3
	B	5:4
	C	10:6
	D	16:9
	E	16:10
A

4:3, 16:9, and 16:10 are different types of aspect ratios.

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16
Q 
Which are types of network connectors? Choose two answers.
	A	DVI
	B	VGA
	C	RJ-11
	D	RJ-45
A

RJ-11 and RJ-45 are types of network connectors.

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17
Q 
Which protocol is used to connect to remote systems without encryption?
	A -	SSH
	B -	SMTP
	C -	IMAP
	D -	Telnet
A

The Telnet protocol is used to connect to remote systems without encryption.

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18
Q 
If, when trying to start up a computer, there are no indicator lights, which has most likely failed?
	A -	CPU
	B -	Hard drive
	C -	Video card
	D -	Power supply
A

If there are no indicator lights when attempting to start a computer, the most likely cause is a failed power supply.

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19
Q

A router can act as an access point but will also need a modem to perform which action?
A - Route traffic between networks
B - Route traffic from the Internet into the network
C - Route traffic from the network out to the Internet
D - Encrypt incoming traffic from the Internet to be used on the network

A

While an access point can interpret signals going out of network, it needs a modem to translate signals coming into the network.

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20
Q 
Which are CPU cooling methods? Choose five answers.
	A	Fans
	B	Heat sink
	C	Liquid paste
	D	Liquid-based
	E	Thermal paste
	F	Fanless/passive
	G	Fanless/aggressive
A

Fans, heat sink, liquid-based, thermal paste, and fanless/passive are CPU cooling methods.

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21
Q 
A patch panel typically sits between cables in a wall and which other network architecture device?
	A -	Port
	B -	Bridge
	C -	Switch
	D -	Router
A

A patch panel typically sits between cables in a wall and a switch.

22
Q

Which are methods used to connect to a mobile hotspot? Choose two answers.
A A USB cable
B A MiFi device
C An RJ-11 cable
D An access point on a smartphone or tablet

A

A mobile hotspot connection can be connected through turning on an access point on a smartphone or tablet or through the use of a MiFi device.

23
Q 
Tethering uses which type of connection to allow a device to connect to a cellular Internet connection?
	A -	USB
	B -	RJ-11
	C -	RJ-45
	D -	Bluetooth
A

A USB cable is used to connect two devices in a tethering connection.

24
Q 
Which is the Mac equivalent of a BSOD?
	A -	SSOD
	B -	SPOD
	C -	ASOD
	D -	MSOD
A

The Mac equivalent of a Blue Screen of Death (BSOD) is a Spinning Pinwheel of Death (SPoD).

25
Q 
Which fiber optic cable will travel the longest distance?
	A -	10GBase-XR
	B -	10GBase-LR
	C -	10GBase-ER
	D -	10GBase-SR
A

10GBase-ER is an extended range cable (hence the ER designation). It can carry a signal for up to 40 kilometers, easily surpassing the other cables.

26
Q 
Which is the most common type of laptop battery?
	A -	Lithium-ion
	B -	Nickel-cadmium
	C -	Lithium-cadmium
	D -	Nickel-metal hydride
A

The lithium-ion (Li-ion) battery is the most common type of laptop battery.

27
Q 
Which are different types of recordable discs? Choose four answers.
	A	BD-R
	B	BD-RE
	C	CD-ZD
	D	DVD-RW
	E	DVD-WTR
	F	DVD-RW DL
A

BD-R, BD-RE, DVD-RW, and DVD-RW DL are types of recordable discs.

28
Q 
If a laptop cannot hold a charge, which internal component is most likely the cause?
	A -	CPU
	B -	DC jack
	C -	Motherboard
	D -	AC connector
A

If a laptop cannot hold a charge, the most likely internal component to fail is the DC jack.

29
Q 
On which tab in the TCP/IP v4 Properties can a second IP address be set for a device?
	A -	General
	B -	Second Address
	C -	Alternate Address
	D -	Alternate Configuration
A

This setting can be found on the alternate configuration tab on the TCP/IP v4 properties.

30
Q 
Which ports are used for the Internet? Choose two answers.
	A	Port 20- FTP
	B	Port 80- HTTP
	C	Port 23- Telnet
	D	Port 443- HTTPS
A

Port 80- HTTP and port 443- HTTPS are used for encryption.

31
Q 
Which are types of PC video connectors? Choose four answers.
	A	VGA
	B	HDMI
	C	DVI-A
	D	DVI-D
	E	FireWire
	F	Thunderclap
A

VGA, HDMI, and DVI digital and analog are types of PC video connectors.

32
Q 
Which type of PCI slot is usually found in servers?
	A -	PCI
	B -	PCIe
	C -	PCI-X
	D -	Mini PCI
A

A PCI-Extended (PCI-X) expansion slot is primarily found in servers.

33
Q 
What is the maximum signal distance for 10Base2 cables?
	A -	100 feet
	B -	185 feet
	C -	100 meters
	D -	185 meters
A

10Base2 cables can transmit signals up to 185 meters in length.

34
Q 
A user has just moved their computer to the U.S. from Europe. Fortunately, they have a dual voltage switch. The user should switch their voltage output to which option?
	A -	115 V
	B -	230 V
	C -	300 V
	D -	500 V
A

The user needs to switch their voltage usage to 115 V for use in the U.S.

35
Q 
Which is the inherent problem when increasing a CPU's clock settings?
	A -	Temperature may be too low
	B -	Temperature may be too high
	C -	CPU may be too fast for RAM
	D -	CPU may be too slow for RAM
A

When a CPU clock speed is set too high, overheating can occur.

36
Q 
In order to install 64-bit Windows Server on a computer that already has Windows 7, which setting needs to be enabled in the BIOS?
	A -	PXE boot support
	B -	Multi-boot support
	C -	Multiple OS support
	D -	Virtualization support
A

In order to run a 64-bit operating system as a virtual machine, virtualization support needs to be enabled in the BIOS.

37
Q 
A Blu-ray disc can have up to how many layers?
	A -	1
	B -	2
	C -	4
	D -	5
A

A Blu-ray disc can have up to 4 layers.

38
Q 
Which are possible front panel computer items? Choose two answers.
	A	Reset button
	B	Power connection
	C	Drive activity lights
	D	Hard drive connection
A

Sometimes computers have reset buttons and drive activity lights on the front panel.

39
Q 
Which 802.11 standards are susceptible to interference from cordless phones and microwave ovens? Choose three answers.
	A	802.11a
	B	802.11b
	C	802.11c
	D	802.11g
	E	802.11n
	F	802.11ac
A

The 802.11b, 802.11g, and 802.11n standards all run on the 2.4 GHz frequency, making them susceptible to microwave oven and cordless phone interference.

40
Q 
In the 802.11ac standard, each antenna can run up to 400 Mbps. A smartphone generally has \_\_\_\_\_\_\_\_\_\_, while a desktop may have up to \_\_\_\_\_\_\_\_\_\_ antennas.
	A -	one; four
	B -	one; five
	C -	two; four
	D -	two; five
A

In the 802.11ac standard, each antenna can run up to 400 Mbps. A smartphone generally has one, while a desktop may have up to four antennas.

41
Q 
OLED displays are most commonly used in which type of devices?
	A -	Laptops
	B -	Desktops
	C -	All-in-one PCs
	D -	Mobile devices
A

Organic Light Emitting Diode (OLED) displays are commonly used in mobile devices. They are expensive, hence the lack of use in laptops.

42
Q 
Shortly after booting a customer’s laptop, the display begins to flicker. This is a sign of which types of errors? Choose two answers.
	A	CMOS failure
	B	Backlight failure
	C	Loose connection
	D	CCFL or Inverter failure
A

The most common cause of a flickering display is a loose display connection inside of a device. If everything is connected properly then the CCFL or inverter is starting to fail.

43
Q

Why does a single-mode fiber cable typically carry a signal a longer distance than a multimode fiber cable?
A - Single-mode uses a plastic core
B - Single-mode has a smaller core
C - Single-mode has only one signal
D - Single-mode signals travel as light pulses

A

Because single-mode only carries one signal, it can usually carry that signal over a longer distance.

44
Q 
A \_\_\_\_\_\_\_\_\_\_- sided RAM chip can run both of its sides at a time while a \_\_\_\_\_\_\_\_\_\_- sided chip can only run one side at a time.
	A -	octo; uni
	B -	double; uni
	C -	single; double
	D -	double; single
A

A single-sided RAM chip can run both of its sides at a time while a double-sided chip can only run one side at a time.

45
Q

In order to calibrate or align the print heads of an inkjet printer, the user will need to have some paper in the printer.
True
False

A

The printer needs some paper in order to calibrate efficiently.

46
Q 
When replacing a laptop screen, which needs to be disconnected since it most likely is connected to the display?
	A -	Hard drive
	B -	Motherboard
	C -	Video adapter
	D -	Wireless transceiver
A

Since a wireless adapter is often inside of a display, great care must be taken to make sure wireless transceivers are disconnected before removing the screen.

47
Q 
When replacing a laptop screen, which needs to be disconnected since it most likely is connected to the display?
	A -	Hard drive
	B -	Motherboard
	C -	Video adapter
	D -	Wireless transceiver
A

Since a wireless adapter is often inside of a display, great care must be taken to make sure wireless transceivers are disconnected before removing the screen.

48
Q 
If a computer beeps while attempting to boot up, which is the most likely cause?
	A -	Bad CPU
	B -	No power supply
	C -	A fan is not working
	D -	Hardware is not installed properly
A

If POST code beeps happen, the most likely cause is hardware not installed properly. For example, a RAM chip may not be completely seated into its RAM slot.

49
Q 
Which encryption type is used with WPA?
	A -	AES
	B -	WEP
	C -	TKIP
	D -	PITA
A

WPA uses the TKIP encryption type.

50
Q

A user is having issues with DHCP. Which is the first troubleshooting technique the technician should use?
A - Ping another device on the network
B - Attempt to connect to the DHCP server address
C - Use the ipconfig command to view the IPv6 address
D - Check the cabling between the device and the router

A

The first troubleshooting technique the technician should try is to connect to the DHCP server, by using the DHCP server IP address.

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