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CSCI 250 Computer Architecture

Terms in this set (35)

Sara works in the IT department for a large retail store. She has been testing a theory about why an error message keeps popping up on a coworker's computer when he tries to start Windows. She has hit a wall and doesn't know where to look next. Sara feels very frustrated with the problem.
What should Sara do to help work out the solution?

a. write down everything
b. divid and conquer
c. don't assume the worst
d. take a break and come back later
take a break and come back later
Over the past week, every time Larry has started his computer, he has noticed that the time is not correct. Larry didn't consider this a problem because his computer was working properly. However, now Larry has decided that he should investigate why the time is not accurate. What can you tell Larry to check to find out why the clock does not keep the right time?

a. POST is failing
b. the internal time clock is malfunctioning
c. the motherboard is going bad and needs to be replaced
d. the CMOS battery is bad and needs to be replaced
the CMOS battery is bad and needs to be replaced
if you receive a SMART error on your computer, the hard drive has failed and must be replaced in order for the system to boot
Is this statement true or false?

a. true
b. false
false
while you are working on your computer, it shuts down unexpectedly, and you detect a burning smell. When you remove the case cover. you notice a distended capacitor.
What can you do to fix this problem?

a. reseat the RAM
b. replace the CMOS battery
c. replace the power supply
d. replace the motherboard
replace the motherboard
Cathy is planning to purchase a new audio and video editing workstation to make work videos.
What types of components will Cathy need to order to build her computer (Select all that apply)

a. high-end video card
b. two 4TB SATA 3 drives
c. 16GB of DDR 4 RAM
d. high-end sound card
e. blu-ray burner
two 4TB SATA 3 drives, 16GB of DDR 4 RAM, high-end sound card, blu-ray burner
what is the most likely result of a correctly installed processor, but an incorrectly installed cooler?

a. powers on, but nothing else happens
b. boot process begins, but the system suddenly turns off after a short period
c. system does not power on at all
d. BIOS/UEFI setup does not recognize the processor correctly
boot process begins, but the system suddenly turns off after a short period
Match the protocol or encryption name with the feature
WPA - typically used TKIP for encryption
AES - current encryption algorithm used today
TKIP - generates a different key for every transmission; however, the encryption algorithm used for its calculations is no longer considered secure
WPA2 - typically uses AES for encryption
WEP - no longer considered secure because they key used for encryption doesn't change
your mobile device has gone over its subscribed data limit the past two months. during this time, you have noticed that the device runs hotter than normal and data speeds seem slower than usual.
Which of the following should you consider as a cause for these issues?

a. the device is infected with malware
b. the battery is failing and will need to be replaced
c. the device needs an operating system update
d. the device is running low on available storage space
the device is infected with malware
a customer is experiencing intervals during the day when the file server on her local network cannot keep up with the demands of the users. during these times, some users have to wait for files to open or save, and some users get errors stating their application had times out.
Which of the following could be possible solution to this ongoing issue? (select two)

a. ask half of the users to stop using the application during the problem time
b. add additional file servers to the local network to handle the demand
c. implement a cloud-based model with rapid elasticity
d. implement an off-site cloud-based email application
e. contact the cloud service provider to increase resource pooling
add additional file servers to the local network to handle the demand and implement a cloud-based model with rapid elasticity
which of the following components provides the physical network connectivity for a virtual machine, managed by a Type 2 hypervisor, to connect to an ethernet switch via a UTP patch cable?

a. host computer's physical network interface
b. host computer's virtual network interface
c. virtual machine's physical network interface
d. this type of connection is not possible using a VM
host computer's physical network interface
what is the general name of the processor feature that AMD calls HyperTransport?

a. multicore processing
b. multithreading
c. virtualization
d. multiprocessor platform
multithreading
Jessica wants to purchase a new hard drive. she wants a drive that has fast access because she will use it to edit videos on her PC. she also needs a lot of storage and wants to have at least 4TB available to save her videos. Jessica wants to keep the cost down as much as possible
what type of hard drive should Jessica purchase?

a. 5400 RPM magnetic HDD
b. 7200 RPM magnetic HDD
c. SSD HDD
d. USB HDD
7200 RPM magnetic HDD
when is it okay to touch the inside of a computer that is turned on?

a. when disassembling the computer
b. when using a multimeter to measure voltage output
c. when reassembling the computer
d. when a qualified electronics expert or electrician is present
when using a multimeter to measure voltage output
a user's is troubleshooting a mobile device app that is displaying errors and has contacted the app manufacturer's technical support team for assistance. the support technician needs specific information from the device about how the app is responding and what is happening to cause the errors.
how can the technician retrieve the requested information from the user's device?

a. the method for retrieval is dependent on the specific app or device's operating system
b. the device will automatically email this information to the tech
c. the user needs to take a screenshot and send it to the tech
d. all apps automatically send information about errors to the device manufacturer
the method for retrieval is dependent on the specific app or device's operating system
during normal Windows operations, you receive a BSOD, and your computer shuts down. you restart the computer and receive the error again. you go online to check the error and see that it is an error related to reading data from virtual memory
what hardware might cause the BSOD error?

a. RAM
b. motherboard BIOS/UEFI
c. processor
d. hard drive
hard drive
a technician wants to consolidate and log specific alerts from network devices into a database so maintenance tasks and potential device problems can be addressed in a timely manner
which of the following should the technician implement?

a. IDS appliance
b. syslog server
c. IPS appliance
d. UTM appliance
syslog server
Motherboards may contain which of the following ports on the I/O panel?

a. multiple USB ports
b. PS/2 mouse and keyboard ports
c. Rj-45 LAN port
d. video ports (HDMI, DVI, or DisplayPort)
e. all of these
all of these
You replaced the LCD panel in a laptop computer and verified full system functionality, including wireless connectivity. The customer picked up the laptop and now reports he can no longer access his wireless network regardless of how close the computer is positioned to the WAP. Other users can connect to the WAP without any problem.
which of the following is the most likely reason for this problem?

a. the laptop wireless profile is still assigned to your office WLAN
b. the user's WAP is powered off and needs to be turned on
c. all wireless network profiles were deleted when the LCD was replaced
d. the laptop's wireless radio is toggled to the off position
e. the antenna wires were not reconnected after the LCD replacement
the laptop's wireless radio is toggled to the off position
A customer is looking to replace three aging network servers that are not able to keep up with the growing demand of the company's users. The customer would also like to add three additional servers to provide on-site DNS, intranet, and file services. A technician is recommending a bare metal hypervisor as the best solution for this customer.
which of the following describes the recommended solution?

a. type 1 hypervisor installed directly on server hardware
b. type 2 hypervisor installed directly on server hardware
c. type 2 hypervisor installed on a windows or linux host OS
d. hosted hypervisor installed as an application
type 1 hypervisor installed directly on server hardware
a network host with an IP address of 192.168.10.200 wants to send a message to a destination computer with an assigned IP address of 192.168.10.100
which of the following will the sending host use to determine whether the destination computer is on its own network or another network?

a. DHCP server
b. default gateway address
c. subnet mask
d. DNS server
subnet mask
a user called the help desk to report that her mobile device has apps on it that she does not remember installing. several times throughout the day, she receives alerts in the notification bar from apps she does not recognize asking for permission to download and upload data
which of the following is the most likely cause for this behavior?

a. the mobile device has malware on it
b. the company has pushed these apps to the device
c. the anti-malware software is detecting and deleting infected apps
d. the device is performing an OS update
the mobile device has malware on it
Phil wants to add a new video card, and he is sure the power supply is sufficient to run the new video card. But when he tries to locate the power connector for the new video card, he does not find a 6-pin PCI-E power connector. He has several extra cables for hard drive power cables from his power supply that he is not using.
what is the least expensive way for Phil to power his video card?

a. use a SATA to 6 pin PCI-E adapter
b. change the dual voltage option
c. purchase a new power supply
d. you will not be able to add the video card to the system
use a SATA to 6 pin PCI-E adapter
when installing a SATA hard drive, is it true or false that you need to move the jumpers on the back of the drive to instruct the computer on which hard drive is the bootable drive?

a. true
b. false
false
which of the following 802.11 wireless networking standards support transfer rates of over 54 mbps (select two)

a. 801.11a
b. 802.11ac
c. 802.11g
d. 802.11b
e. 802.11n
802.11ac and 802.11n
you have been tasked with configuring a SOHO network in which all ports on the public untrusted network will be forwarded to one workstation connected to the LAN
which of the following features will you configure on the SOHO router to accomplish this task?

a. port forwarding
b. MAC filtering
c. demilitarized zone
d. quality of service
demilitarized zone
the accounting department has implemented thing clients and VDI. one of the users is complaining that each time she powers on her thing client, she has access only to a web browser.
which of the following is the most likely reason for this behavior? (select two)

a. the user has been assigned a nonpersistent VDI account
b. the user has not signed in to the VDI server with her user account and password
c. the user has been assigned a persistent VDI account
d. the user has entered the incorrect credentials to the VDI server
e. the user's thin client does not have an operating system configured
the user has not signed in to the VDI server with her user account and password and the user has entered incorrect credentials to the VDI server
Shivam has a broken laptop screen and needs to replace the screen. while doing research to find a new screen, he discovers that the laptop screen he is replacing does not have a backlight
what kind of screen does Shivam need to order for his laptop?

a. touch screen
b. CRT
c. LED
d. OLED
OLED
is it true or false that a touchscreen on a laptop can be used as both a mouse and a keyboard?

a. true
b. false
true
match the Optical drive type to the amount of data the disk will hold
BD double-side dual layer - 50GB
BD double-side quad layer - 128GB
BD double-side single layer - 25GB
CD - 700MB
DVD double-side dual layer - 15.9GB
DVD single-side dual layer - 8.5 GB
Danelle wants to use a stylus on her laptop but does not have a touch screen she needs the stylus to help her create designs for her landscape business. she does not want to purchase a new laptop
is there any way for Danelle to use her current laptop with a stylus?

a. she can add a digitizer over the screen on her laptop
b. she can replace her current laptop screen with a touch screen
c. she can use a stylus on her current laptop
d. she will not be able to use her current laptop and will need to purchase a new laptop
she can add a digitizer over the screen on her laptop
a company is utilizing servers, data storage, data backup, and software development platforms over an Internet connection.
which of the following describes the company's approach to computing resources?

a. cloud computing
b. client-side virtualization
c. internal shared resources
d. thick client computing
cloud computing
Heather is troubleshooting a computer at her worksite. she has interviewed the computer's user and is currently trying to reproduce the problem the user described.
Heather is in which step of the troubleshooting process?

a. establish a theory and probable cause
b. test the theory to determine a cause
c. verify full system functionality
d. identify the problem
establish a theory and probable cause
is it true or false that most smartphone devices have radio firmware that allows listening to FM radio frequencies?

a. true
b. false
true
George is concerned that his children might somehow be exposed to things on the Internet that they are not mature enough to handle. he wants a way to limit their ability to view content on the Internet.
what will you recommend to George?

a. use a firewall
b. use parental controls
c. use port forwarding
d. use WPA2
use parental controls
which of the following technologies provides a method for personalizing network-connected laptop and desktop computers with only the apps each individual user needs without complicated customization? (select two)

a. application virtualization
b. cloud-based applications
c. off-site email applications
d. metered service
e. measured service
application virtualization and cloud-based applications
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