-
you need to ensure that only specific computers are allowed to access specific network resources- what should you use
NAP
-
which would reduce the likelihood of a sniffer attack
encrypting data transmitted over the network
-
examples of biometric security
fingerprint scan, voice scan, retinal scan
-
windows firewall is
stateful software firewall
-
normally login as standard user- need to occasionally run programs that require administrator privileges- want to keep security risk to a minimum- what should you do
use run as to launch the programs
-
feature of the SmartScreen filter
it blocks content and files from known malicious web sites
-
you need to be able to control what software can be run by specific users logging on to the computers- what should you use
Applocker, and software restriction policies
-
what purpose is a network sniffer used
to capture network transmissions
-
the term mutual authentication refers to
users being authenticated with the server and vice versa
-
when you disable SSID broadcasting
users must know the SSIDf to be able to connect to your wireless network
-
server running Windows Server 2008, you want to deploy NAP to enforce compliance for client computers on the network, what client operating systems are supported?
Windows XP SP# or later, Windows Vista, and Windows 7
-
wireless network that you need to ensure only specific client computers are able to access the network, what should you do
implement MAC filtering
-
to deploy Network Access Protection (NAP) you must have
a NAP health policy server
-
in which situation would you use a Class 1 firewall
to provide protection for an individual client
-
Firewall Class
- Class 1: personal firewall
- Class 2: Router Firewall
- Class 3: low-end hardware firewall
- Class 4: High-end Hardware firewall
- Class 5: High-end server firewall
-
a spoofed email is a message
has a false sender address
-
zero-day attack
an exploit on an unknown vulnerability- persons had no warning
-
Virus
malware that requires a host file to propagate
-
backdoor
an undocumented administrative portal (root access)
-
best approach to minimize the likelihood of a client computer being infected with a virus
restrict the attachments that an email user can receive
-
which is used for the sole purpose of intrusion detection
a honeypot- it is a system or program that has no real functional value but is only installed or implemented as a means to detect intrusion
-
need to minimize the attack surface for your network as the administrator- what would this involve
ensuring that only required features are enabled
-
which technology provides security for data that is transmitted over the internet
secure sockets layer (SSL)
-
how are software restriction policies used
to control which software that a user can execute
-
when securing your network, you would disable inheritance to:
prevent folder permissions on a folder from being used for subfolders
-
which protocol can centralize authentication for dial up, virtual private network, and IEEE 802.11 access connections
RADIUS- vendor-neutral protocol standard that centralizes authentication, authorization, and accounting for carious remote access connections
-
what should you use to implement a consistent audit policy for your Active Directory domain
Group Policy editor
-
you need to create a password policy to ensure that domain account passwords must be reset every 2 weeks-what should you do
specify a maximum password age
-
which Microsoft technology employs application white-listing to protect a network
AppLocker
-
what should you use, you want to ensure that mobile clients receive timely operating system updates, some clients rarely connect to the internal business network
Windows Update Agent (WUA) can control whether or not the updates are downloaded and installed automatically for each client on an individual basis
-
implementing security auditing allows you to
determine if a security breach has occurred
-
you would use a security group to
allow only specific users to access specific network resources
-
a trojan horse is an example of
a computer virus
-
which is the role of a Health Registration Authority (HRA) in Network Access Protection (NAP)
validating and requesting a health certificate for compliant clients
-
which technology is used to provide file encryption for removable storage devices
BitLocker To Go
-
which users can administer a read-only domain controller (RODC)
delegated standard domain users and domain administrators
-
the principle of least privilege ensures that
users can only perform required task
-
how does a worm differ from a virus
a worm is self replicating
-
which type of malware replicates itself without reliance on a host file
worm
-
you need to implement security measures to provide maximum protection for client computers, what is one thing that you should do
ensure that all computers have the most recent updates
-
a computer that is designed to entice hackers to attack is knows as a
honeypot
-
which two statements correctly characterize network cable types and their usage?
STP cable provides for less interface than UTP cable, category 6 cable supports 10 gigabit ethernet
-
your wireless network is secures using WEP. you need to improve data encryption to minimize the chance that data transmissions might be compromised. what should you do?
reconfigure the network to use WPA2
-
what is the length of a IPV6 address
128 bits
-
common ports
- HTTP:80
- HTTPS:443
- DNS:53
- RDP:3389
- POP3:110
-
when you turn on your lap top, and you hear the hard drive spinning, but you see nothing what should you do.
connect an external monitor and toggle the display
-
change ink cartridge steps
open access door, remove old cartridge, click in the new cartridge, close access door, print and scan a calibration page
-
laser printer prints, each page has white vertical lines running down them , what should you do to diagnose problem.
clean the corona wire, shake the toner cartridge
-
customer researching CPU's for use in a server. wants to maximize protection against malware. what CPU feature should the customer look for.
disable execute bit
-
what type of printer maintenance kit is this.
fuser assembly, transfer roller, pickup roller?
laser printer
-
a network engineer tells you that your router has a vulnerabilities that would allow unauthorized user to access servers and network devices. what is your first step
check for firmware update
-
how does a smart camera differ from a standard digital camera? (2)
image editing apps, and wireless communication support
-
what should you do when you are selecting a power supply to install in a computer.
determine wattage requirements by adding the requirements for all motherboard components, hard drives, and peripherals
-
need to connect several Ethernet cables to wall jacks, so that new employees can access your company network. what should you use to insert the cable wires into the keystone jacks that go into the wall plates?
punchdown tool
-
what display produces the best image and has the ability to turn off individual pixles
OLED
-
what type of connection is the fastest for a customer.
cable
-
what type of connections are supported for using a personal hotspot for laptop to have access to internet
wifi, bluetooth, usb
-
ip address that indicates that the computer was unable to contact a DHCP server
169.254.10.23
-
graphic artist reports that she has trouble drawling correctly on her laptop touchpad used to drawling with pencil, what should you recommend
a stylus and digitizer
-
suspect that a power supply on the computer is not working correctly, what 2 tools should you use
power supply tester, and multimeter
-
what tool do you use to determine the best channel to use when configuring the access point for wifi
wifi analyzer
-
customer monitor goes dark, and the power light goes off after a few minutes the monitor can be turned back on-what do you need to do to correct this problem
clean the monitor and ventilation slits
-
what type of docking station should you recommend for a new iphone
lightning
-
what should you do before attempting to connect a camera if it was unable to install or access device,
install the device driver
-
want to enable UEFI and make sure that the feature can not be disabled even if the UEFI is flashed
install lojack software
-
what is the purpose of an inverter in a laptop computer
the inverter controls power to the LCD panel
-
what type of connection would you expect to find on a UTP CAT 5e cable
RJ-45
-
need to configure a subnet with a subnet address of 192.168.128.0 and supports up to 1022 host address values. what ip address do you use
192.168.128.0/22
-
company decided to buy plenum-rated cables to run between 2 floors of the building why?
fire safety standards
-
what 3 802.11 standards support the 5GHz frequency band
802.11a, 802.11n, 802.11ac
-
remote user needs to access windows server 2012 directly using RDP, what feature should you enable on the router
port forwarding
-
customer is using a windows PC and all apple devices- wants to enable a air-print printer the customer should do what
install bonjour
-
you install an inkjet printer using the USB interface and set the configuration options. what should you do to optimize print quality
calibrate the ink cartridges
-
for which of the following should you implement QoS in a small office/home office (SOHO) environment
VoIP
-
what 802.11 standard should a business use if they want a range of at least 50 feet
802.11n
-
which network technology is used to connect to PAN
bluetooth
-
what should you do. your wireless network is secures using a WEP. you need to improve data encryption to minimize the chance that data transmission might be compromised
reconfigure the network using WPA2
-
what type of motherboard should you recommend if a customer wants to optimize performance and needs to use the latest generation AMD processors with as many expansion slots as possible
ATX
-
what cable should you suggest if a customer wants to run a network cable between two buildings separated by around 2 kilometers
ingle mode fiber optic cable
-
customer setting up to run a small business from a home office, wants to host a web server from home and provide easy public access to the web server and protect the internal home office that already exist
DMZ
-
smart phones touchscreen is unresponsive. customer tried to restart and reset. what should they try next.
contact the manufacturer for repair
-
selecting an optical data storage media, which media will allow for the max data storage
blue-ray (BD-R)DL
-
company is using a RAID 5 disk subsystem for data storage, users are complaining that the performance is slow when trying to get data from the NAS
a hard disk has failed
-
which address is an IPv6 multicast address
FF01::1
-
most important thing to consider when purchasing a printer for a business when trying to watch the budget
cost per page--- this is going to be the cost of the printer/paper/ink
-
need to connect 2 network switches, which cable should you use for a 10Gb connection
category 6a crossover cable
-
what is the maximum amount of addressable memort that a 32-bit system running a 32 bit operating system can handle
4GB (gigabytes)
-
which part of a motherboard connects to the on board graphics controller
northbridge chipset
-
customer spills sugary drink on keyboard, what should you do
pry the keytops loose-clean the keytops in mild soap and water-clean keyswitches with isopropyl alcohol-clean the hinges with isopropyl alcohol-allow everything to dry-reassemble keytops
-
you need to compare DDR2-667 with DDR3-1600-which statment is correct
DDR3-1600 has a higher peak transfer rate than DDR2-667
-
what benefit is provided by dual channel RAM
increased bandwidth on the bus between the CPU and memory
-
type of network connection has the highest latency
satellite
-
RJ45 plug on the network cable is broken, what tools do you use to replace the broken plug
cable stripper, and crimper
-
what type of usb does an android use
micro usb
-
need to install a TV tuner/video capture device in a desktop computer, with the best performance possible, computer has several expansion slots. what one should you plan to use.
PCIex1
-
customer is concerned about the computers performance wants to know how to increase the sizeof the L1 cache. what should you tell the customer
replace the CPU
-
what reading would indicate that there is a break in the cable when using a multimeter to test the network cable for a break.
infinite resistance
-
what 3 configuration setting would you have to ensure are set properly if you are replacing a computer in an office, and want to use the existing network card
default gateway, ip address, subnet mask
-
what is the defining characteristic of a phablet
combines the functionally of a phone and a tablet in a single device
-
wireless connection drops every time he moves to the kitchen, what problem is occurring
interference with kitchen appliances, and the distance to the access point
-
main difference in a smart phone and a phablet
phablet has a larger screen
-
what is the maximum capacity of a standard single sided single layered DVD+R
4.70GB
-
what should you do if a user wants you to configure the computer to prevent any one else from being able to boot it
set the UEFI user password
-
want to be able to print from ANY location even when traveling, what technology should you use
cloud printing
-
single mode fiber optic
carries data signals as light making it immune to RFI, has a smaller core typically 9 microns, supports transmissions of over 10 miles
-
multi mode fiber optic
carries data signals as light, making it immune to RFI, uses realitivly inexpensive transmitters and recievers
-
what standard interface supports the highest data transfer rate
thunderbolt
-
what is considered the biggest challenge for wearable technology like smart glasses and smart watches
battery life
-
which types of mobile devices have a built in camera
smart phone, phablet, glasses
-
what cable should you use to eliminate the possibility of EMI
fiber optic
-
implementing a wireless lan at an office and want to provide the maximum data transfer rate, what wireless protocol do you use
802.11ac
-
you have run 20 network cables for a new office. you do not want to connect them to a switch directly. what should you use to teriminate all wires in a server rack
patch panel
-
customer wants to purchase a laptop for productivity applications and gaming and is concerned about a fast refresh rate, what display should you recommend
TN- twisted nematic
-
what RAID uses disk striping with mirroring
RAID 10 (1+0)
-
north bridge and south bridge are considered to be components of the?
motherboard chipset
-
laser printer is printing dim printouts, what is the most likely cause of the problem
the drum or imaging kit needs to be replaced
-
need to test an ethernet cable that you suspect is defective
use a cable tester, use a multimeter to test resistance
-
what is considered a mobile hardware device
laptop, smartphone, tablet
-
what is not a good choice if you want to have expansion options
tablet
-
what type of ram chip would you install into a laptop
SO-DIMM
-
typical hybrid setup in a laptop
HDD for storage, SDD for boot
-
most common type of laptop battery
lithium-ion
-
safe tool to remove a keyboard after screws are removed
plastic wedge
-
hardware device installed under the palm rest, allows a user to insert or wave a device with a chip as part of logging into the laptop
smart card reader
-
which type of expansion slot is commonly found in laptops
miniPCIe
-
if laptop can not hold a charge, which internal component is most likely the cause
DC jack
-
where are speakers usually located inside of a laptop
behind the keyboard
-
hardware piece is often saldered to the motherboard making it hard to replace
CPU
-
OLED displays are most commonly used im which type of device
mobile devices
-
TTl display
accepts digital input
-
IPS display
is very sharp with colors
-
monitor panel uses a backlight that does not require an inverter
LED
-
capture and send video data with computer
use webcam
-
media component is used to capture audio data
microphone
-
what is a digitizer
a tool used to scan analog information and convert it to digital information
-
what function keys enable and disable different network capabilities
cellular, wireless
-
what is a solution to protect laptops in an office from getting stolen
physical locks and cable locks
-
rotating and removable screens are often used with
tablets
-
screen dimensions diagonally of a phablet
5.5in to 6.99in
-
2 table characteristics
uses SSD's, and consumes less power
-
gesture on a table that is similar to right clicking on a mouse
press and hold
-
restauranter is monitoring and reviewing the restaurants in his are what wearable device would help accomplish the task
glasses
-
type of mobile device has a special screen which tolerates sunlight
e-reader
-
purpose of GPS
shows the user's location
-
two reasons GPS would not be working
no signal, network services are disabled
-
mobile connection has a maximum distance of 6 feet
IP
-
two devices that can be usedd to set up a mobile hotspot
MiFi, and smartphone
-
computer beeps while attempting to boot up, what is the most likely cause
hardware is not installed properly
-
integrated video card is malfunctioning- what is the best course of action to get the video working
install in external card
-
pc is overheating what is first step you should take to solve problem.
If a PC is overheating, which is the first step one should take to take to try to solve the problem
-
computer fans are not spinning at startup-two most likely causes of power problem
bad voltage, and bad connector
-
when would POST not be needed
if there is a POST decoder with an LED on the motherboard
-
pc having trouble booting-what 3 trouble shooting steps should he try
double check the cabling-check the Sata port in the BIOS, and put the drive into another system as the non-bootable to see if it is readable
-
RAID not found error- likely cause?
the RAID may not be set up properly, Raid may not be supported, the RAID functionally may not be enabled in the BIOS
-
truth about external closures
used to hold hard drives so they can be used as external drives, most have SATA compatibility and hold either inch or inch hard drive, they are good for a drive taken from an old laptop and still needs to be used on a new laptop
-
disk error messages-what tool can be used to find and fix these
CHKDSK
-
display is not working- after boot there is no image on the screen what needs replacing
backlight
-
computer can not connect to any network. what test can you run to rule out the NIC as the cause
ipconfig, and ping
-
slow speeds at a business, equipment is new what can you do to help improve connection
increase the RF signal, check for interferance, adjust routers to a higher speed
-
what command do you use to determine if another device is reachable
ping
-
command to see the default gateway
ipconfig
-
want to know exact path the network uses what command do you use
tracert
-
want info on the ports and the TCP/IP connections use what command
netstat
-
common use for NBTSTAT command
display the IP address for a device
-
NET command would be used to map the Z: drive to the \\tekkievets\tickets
use
-
which are purposes of the NETDOM command
used to join a network to a domain, used to join a windows XP computer to a domain
-
which is the main purpose of the NSLOOKUP command
lookup DNS servers
-
screen is not working on a mobile device what could be affecting the display
inverter, backlight, video driver
-
display begins to flicker on the display after turned on. what type of error
loose connection, and CCFL or inverter failure
-
notice the battery doesnt charge when plugged in-first thing to check
be sure the AC adapter is plugged in properly
-
experiencing intermittent wireless connectivity on laptop-
reset the network adapter, reset the wireless connection
-
appropriate way to service a sticky keyboard
use compressed air, wipe with isopropyl alcohol
-
best practices for disassembling a laptop
keep loose parts organized, and document and label cable screw locations
-
paper is not feeding through the tray on printer-what should you check
rollers
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