Comptia A+ (4) Flashcards
That servers is responsible for resolving a name such as dprocomputer
DNS
What statements describe advantages of using the Dynamic Host Condig Protocol
IP address can be managed from a central location
Computers can automatically get new addressing when moved to a different network segment
What storage tech is used by hand disk drives
Magnetic
What type of computer is RAM most important
Virtualization workstation
A client brings in a printer that is giving a paper feed error. What’s the cause
Pickup rollers
What protocol uses port 389
LDAP
The max distance at which a class 2 Bluetooth device can receive signals from a Bluetooth access point
1 meter
The wireless networking standards operates at 5 GHz only
- 11a
802. 11ac
What types of RAM has a peak transfer rate of 21,333 MB/s
DDR4-2400
What types of printers uses a print head, ribbon, and tractor feed
Impact
Several users on your network are reporting that a network printer which controller by a print serve, is not printing. What is the first action you should take to fix the problem
Clear the print queue
What is a possible system of a failing CPU
CPU is beyond the recommended voltage range
What cable types is not affected by EMI but requires specialized tools to install
CAT 6
Setting an admin password in the BIOS accomplishes what
Prevents a user from rearranging the boot order
What function is performed by the external power supply of a laptop
Converts AC power to DC power
How many pins would you see in a high quality printhead on a dot matrix printer
24
Wha is an LCD display’s contrast ratio defined as
The brightest and darkest outputs
What tool can protect you in case of a surge antistatic strap
antistatic strap
What following connectors can have audio and video pass through it
HDMI
The following devices limits network broadcasts, segments IP address ranges and interconnects different physical media
Switch
What tech can be used to make wireless payments
NFC
You just upgraded the CPU, what following issues can make tour computer shut down automatically after a few mins
CPU has overheated
You want to upgrade memory in your computer. What following is user replaceable memory in a PC
DRAM
What IP address is private
172.16.0.0 - 172.31.255.255
What following is the local loop back IPv6 addresses
::1
What statements concerning IPv6 addresses is correct
They represent addressing using 128 bits
You are working at a DNS server and see the following. What kind of entry is this
server.example.com. IN 10.0.01
A record
What printer tech should be used to print payroll checks on paper forms that have a carbon backing
Impact
Which is not a config that can be made in BIOS/UEFI
Driver installation
What traits and port numbers are associated with POP3
Receives inbound email on port 110
Receives inbound email on port 995
What type of cable should be used to connect a laptop directly to A PC
CAT 5e crossover cable
To perform a network installation Of Windows, which Of the following must be supported by the computer’s network interface
PXE
What devices is least likely to be replaced on a laptop
CPU
If your bandwidth is 1000 Mbps how may bits are sending/receiving
1,000,000,000 bits per second
1 gigabit per second
What can send data the farthest
Single mode fiber
You need to expand the peripherals of a computer, but the system doesn’t have enough ports. Which type of card should be installed?
USB card
What following is the typical speed on a SATA hard disk drive
7200 RPM
What best describes the difference between a switch and a router
A switch interconnects devices on the same network so they can communicate
A router interconnects one or more networks
What interconnects devices on the same network so they can communicate
A switch
What interconnects one or more networks
A router
A group of users in ABC corp. needs to back up a terabyte of data daily. The data must be stored on durable backup media. Which of the following is the best media for this scenario?
LTO
The organization you work for has three locations within a city that need to be networked together. The network requirement for all three locations is a minimum data throughput of 1 Gbps. Which of the following network types are most likely to be used for internal office and office-to-office communications? (Select the two best answers.)
LAN
MAN
What is a popular maker of virtualization software
VMware
You need to replace and upgrade the memory card in a smartphone. What type does it use
SD
You want to use four 16 GB memory modules in your new desktop
computer, and you want the RAM to work simultaneously. What kind of technology does your motherboard need to have?
ECC
You are repairing a laser printer because narrow, faded lines run the length of the printed pages. The faded lines are always in the same place. What should you do to fix the problem?
Replace the toner cartridge
Which of the following tools should be used to test a 24 pin ATX 12 v power connector
PSU tester
One of the technicians at your organization is researching various hardware for a new virtualization host. The host’s main purpose is to run multiple Linux server virtual machines simultaneously, with good performance for each VM. Which of the following will best ensure good performance?
Multi core
During a mandatory server room inspection, it was found that a couple of server racks were not properly grounded. To pass the inspection and to protect equipment, you must make sure all racks are properly grounded. Which of the following tools should you use in this scenario?
Multimeter
What does a laptop have that a tablet does not have
Touchpad
