A+ Master Exam (Set 4) Flashcards
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
Often the cause of a battery not charging is the laptop simply not being plugged in properly.
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
Ethernet over Power is an adapter which allows for an Ethernet connection using the existing electrical wiring in a building.
If an inverter malfunctions, the whole \_\_\_\_\_\_\_\_\_\_ will need to be replaced. A - CPU B - video card C - circuit board D - motherboard
If an inverter malfunctions, the whole circuit board will need to be replaced.
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
The express card /54 is thick enough to hold a 1.8-inch hard drive.
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
Feeder, carriage, print head, ink cartridge, and the duplexing assembly are parts of an inkjet printer.
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
If the BIOS settings dictate that the system automatically shut down due to a high temperature, a system lockup is also possible.
Which ports are reserved for the AFP protocol? Choose two answers. A Port 80 B Port 427 C Port 443 D Port 548
Port 427 and port 548 are reserved for the AFP protocol.
On newer computers, where do the northbridge functions reside? A - CPU B - RAM C - CMOS D - Hard drive
On newer computers, the northbridge function resides in the CPU.
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
If attempting to power on a PC which produces no results, the most likely cause is a faulty power supply.
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 video capture expansion card is used to obtain video from a VCR, DVD, or other source.
Which is a type of fan connector? A - PIX B - Pinx C - Molex D - Simplex
Molex is a type of fan connector.
Which type of cable connector is used on cables that transmit phone conversations? A - SC B - RJ-11 C - RJ-45 D - Coaxial
The RJ-11 cable is a twisted-pair cable that transmits data for phone conversations.
Which is an example of a set-top box device? A - Netflix B - Smart TV C - Apple TV D - Amazon Prime
Apple TV is an example of a set-top box device.
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
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.
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
4:3, 16:9, and 16:10 are different types of aspect ratios.
Which are types of network connectors? Choose two answers. A DVI B VGA C RJ-11 D RJ-45
RJ-11 and RJ-45 are types of network connectors.
Which protocol is used to connect to remote systems without encryption? A - SSH B - SMTP C - IMAP D - Telnet
The Telnet protocol is used to connect to remote systems without encryption.
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
If there are no indicator lights when attempting to start a computer, the most likely cause is a failed power supply.
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
While an access point can interpret signals going out of network, it needs a modem to translate signals coming into the network.
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
Fans, heat sink, liquid-based, thermal paste, and fanless/passive are CPU cooling methods.
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 patch panel typically sits between cables in a wall and a switch.
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 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.
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 USB cable is used to connect two devices in a tethering connection.
Which is the Mac equivalent of a BSOD? A - SSOD B - SPOD C - ASOD D - MSOD
The Mac equivalent of a Blue Screen of Death (BSOD) is a Spinning Pinwheel of Death (SPoD).
Which fiber optic cable will travel the longest distance? A - 10GBase-XR B - 10GBase-LR C - 10GBase-ER D - 10GBase-SR
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.
Which is the most common type of laptop battery? A - Lithium-ion B - Nickel-cadmium C - Lithium-cadmium D - Nickel-metal hydride
The lithium-ion (Li-ion) battery is the most common type of laptop battery.
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
BD-R, BD-RE, DVD-RW, and DVD-RW DL are types of recordable discs.
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
If a laptop cannot hold a charge, the most likely internal component to fail is the DC jack.
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
This setting can be found on the alternate configuration tab on the TCP/IP v4 properties.
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
Port 80- HTTP and port 443- HTTPS are used for encryption.
Which are types of PC video connectors? Choose four answers. A VGA B HDMI C DVI-A D DVI-D E FireWire F Thunderclap
VGA, HDMI, and DVI digital and analog are types of PC video connectors.
Which type of PCI slot is usually found in servers? A - PCI B - PCIe C - PCI-X D - Mini PCI
A PCI-Extended (PCI-X) expansion slot is primarily found in servers.
What is the maximum signal distance for 10Base2 cables? A - 100 feet B - 185 feet C - 100 meters D - 185 meters
10Base2 cables can transmit signals up to 185 meters in length.
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
The user needs to switch their voltage usage to 115 V for use in the U.S.
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
When a CPU clock speed is set too high, overheating can occur.
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
In order to run a 64-bit operating system as a virtual machine, virtualization support needs to be enabled in the BIOS.
A Blu-ray disc can have up to how many layers? A - 1 B - 2 C - 4 D - 5
A Blu-ray disc can have up to 4 layers.
Which are possible front panel computer items? Choose two answers. A Reset button B Power connection C Drive activity lights D Hard drive connection
Sometimes computers have reset buttons and drive activity lights on the front panel.
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
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.
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
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.
OLED displays are most commonly used in which type of devices? A - Laptops B - Desktops C - All-in-one PCs D - Mobile devices
Organic Light Emitting Diode (OLED) displays are commonly used in mobile devices. They are expensive, hence the lack of use in laptops.
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
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.
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
Because single-mode only carries one signal, it can usually carry that signal over a longer distance.
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 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.
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
The printer needs some paper in order to calibrate efficiently.
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
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.
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
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.
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
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.
Which encryption type is used with WPA? A - AES B - WEP C - TKIP D - PITA
WPA uses the TKIP encryption type.
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
The first troubleshooting technique the technician should try is to connect to the DHCP server, by using the DHCP server IP address.