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시험 이름: HTI+ Residential Systems....
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시험 이름: CompTIA Strata Fundamentals of PC Functionality Exam
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NO.1 Which of the following is used by Wi-Fi Protected Access (WPA) to provide data encryption?
A. IDEA
B. TKIP
C. RSA
D. RC4
Answer: B
CompTIA기출문제 JK0-U11최신덤프 JK0-U11 JK0-U11최신덤프 JK0-U11 JK0-U11인증덤프
Explanation:
TKIP (Temporal Key Integrity Protocol) is an encryption protocol defined in the IEEE 802.11i standard
for wireless LANs (WLANs). It is designed to provide more secure encryption than the disreputably
weak Wired Equivalent Privacy (WEP). TKIP is the encryption method used in Wi-Fi Protected Access
(WPA), which replaced WEP in WLAN products. TKIP is a suite of algorithms to replace WEP without
requiring the replacement of legacy WLAN equipment. TKIP uses the original WEP programming but
wraps additional code at the beginning and end to encapsulate and modify it. Like WEP , TKIP uses
the RC4 stream encryption algorithm as its basis.
NO.2 Mark works as a Network Administrator for NetTech Inc.
The company has a Windows 2000 domain-based network. A user working on a Windows 2000
Professional client computer reports that he is unable to access some files on the hard disk.
However, he is able to successfully log on and access other files. What should Mark do to resolve
the issue?
A. Instruct the user to log off and log on again.
B. Enable the user account on the computer.
C. Check the file permissions on the hard disk drive.
D. Check the hard disk drive using the SCANDISK utility.
Answer: C
CompTIA시험문제 JK0-U11최신버전덤프 JK0-U11국제공인자격증 JK0-U11시험
Explanation:
In order to resolve the issue, Mark should check the file permissions for the user on the hard disk
drive. According to the question, the user is able to access other files on the hard disk. Hence, the
most likely cause of the issue is that the user does not have sufficient privileges on those files.
Answer A is incorrect. Logging off and then logging on will not help resolve the issue.
Answer D is incorrect. Checking the hard disk drive using the SCANDISK utility will not help, as the
issue is related to permissions.
Answer B is incorrect. According to the question, the user is able to successfully log on to the
computer. This indicates that his user account is already enabled. Hence, there is no need to enable
it.
NO.3 Which of the following slots on a motherboard are best for a video card? Each correct answer
represents a complete solution. Choose two.
A. PCI
B. PCIe
C. EISA
D. AGP
Answer: D,B
CompTIA최신덤프 JK0-U11 IT자격증 JK0-U11 JK0-U11국제공인자격증 JK0-U11
Explanation:
AGP and PCIe are the best slots for a video card. PCI Express (PCIe), also known as 3rd Generation
I/O (3GIO), is a type of computer bus. It is a new I/O bus technology that has more bandwidth than
PCI and AGP slots. It uses two low-voltage differential pairs, at 2.5Gb/s in each direction. It is
designed to replace PCI and AGP expansion slots. The bus is available in several different bus widths:
x1, x2, x4, x8, x12, x16, and x32. PCIe is able to transfer data in both directions at a time. PCIe
hardware will work on operating systems that support PCI. AGP is a high speed 32-bit bus designed
for high performance graphics and video support. It allows a video card to have direct access to a
computer's RAM, which enables fast video performance. AGP provides a bandwidth of up to 2,133
MB/second.
Answer C is incorrect. The Extended Industry Standard Architecture (EISA) is a 32-bit PC expansion
bus designed as a superset of a 16-bit ISA bus. The EISA bus is designed to increase the speed and
expand the data width of the legacy expansion bus while still supporting older ISA cards. EISA slots
are obsolete now.
Answer A is incorrect. PCIe and AGP slots are better than PCI slot for a video card.
NO.4 Which of the following is a circuit board that is used to extend slots for expansion cards and
provides the ability to connect additional expansion cards to the computer?
A. Audio/modem riser
B. Secure Digital (SD) card
C. Riser card
D. Communication and Networking Riser (CNR)
Answer: C
CompTIA JK0-U11시험문제 JK0-U11시험정보 JK0-U11 IT덤프 JK0-U11자료
Explanation:
Riser card is a circuit board that is used to extend slots for expansion cards and provides the ability
to connect additional expansion cards to the computer.
These cards are used with LPX motherboards. With the introduction of ATX motherboards, riser
cards are rarely used. In ATX motherboards, the expansion cards connect directly to the computer
motherboard instead of using riser cards.
Answer A is incorrect. The audio/modem riser (AMR), also known as an AMR slot, is an expansion
slot. It is found on the motherboards of some Pentium III, Pentium 4, and Athlon personal
computers. It was designed by Intel to interface with chipsets and provide analog functionality, such
as sound cards and modems, on an expansion card. It has two rows of 23 pins each, making a total
of 46 pins.
Answer D is incorrect. Communication and Networking Riser (CNR) is a hardware device developed
by Intel. It plugs into the motherboard and holds chips for the functioning of devices such as
modems and audio devices. It supports V.90 analog modem, multi-channel audio, phone-line-based
networking, and 10/100 Ethernet-based networking. CNR also minimizes electrical noise
interference through the physical separation of noise- sensitive elements from the motherboard's
communication systems.
Answer B is incorrect. Secure Digital (SD) card is a non-volatile memory card format used in portable
devices such as mobile phones, digital cameras, and handheld computers. SD cards are based on the
older MultiMediaCard (MMC) format, but they are a little thicker than MMC cards. Generally an SD
card offers a write-protect switch on its side. SD cards generally measure 32 mm x 24 mm x 2.1 mm,
but they can be as thin as 1.4 mm. The devices that have SD card slots can use the thinner MMC
cards, but the standard SD cards will not fit into the thinner MMC slots. Some SD cards are also
available with a USB connector. SD card readers allow SD cards to be accessed via many connectivity
ports such as USB, FireWire, and the common parallel port.
NO.5 You are working with a team that will be bringing in new computers to a sales department at a
company.
The sales team would like to keep not only their old files, but system settings as well on the new
PC's. What should you do?
A. Do a system backup (complete) on each old machine, then restore it onto the new machines.
B. Copy the files and the Windows Registry to a removable media then copy it onto the new
machines.
C. Use the User State Migration tool to move the system settings and files to the new machines.
D. Use the Disk Management tool to move everything to the new computer.
Answer: C
CompTIA시험 JK0-U11기출문제 JK0-U11 JK0-U11인증덤프 JK0-U11최신버전덤프
Explanation:
The User State Migration Tool is made specifically for this purpose. Large scale migrations require
not only files but system settings to be moved to new machines and Microsoft created this tool for
this purpose.
NO.6 Which of the following is a file management tool?
A. Windows Explorer
B. Device Manager
C. MSCONFIG
D. Defrag
Answer: A
CompTIA JK0-U11인증 JK0-U11최신덤프 JK0-U11 IT자격증시험자료
Explanation:
Windows Explorer is a file management tool. Windows Explorer is a dual-pane window that can be
used for file management.
File management includes copying, moving, renaming, and searching files and folders.
Windows Explorer displays the resources on the system and the tools available in the operating
system in a hierarchical form, in its left window-pane.
It displays the contents of the folder that is selected in the left window-pane, in its right window-
pane.
Windows Explorer can also be used for starting programs or accessing system resources such as a
printer.
It can be accessed in Windows through the Start menu as follows:
Start>Programs>Accessories>Windows Explorer
Answer B and C are incorrect.
Device Manager and MSCONFIG are system management tools.
NO.7 You are selecting memory to put in to a laptop. Which of the following types of RAM chips
would you most likely select?
A. 72 PIN
B. 240 PIN
C. 184 PIN
D. 144 PIN
Answer: D
CompTIA JK0-U11덤프자료 JK0-U11
Explanation:
Both MicroDIMM and SO-DIMM come in a 144 pin configuration, and are used for laptops.
NO.8 Which of the following is designed to infiltrate or damage a computer without the consent of
the owner?
A. Shareware
B. Malware
C. Freeware
D. Stealware
Answer: B
CompTIA최신버전덤프 JK0-U11덤프다운 JK0-U11
Explanation:
The term malware refers to malicious software, which is a broad class of malicious viruses, including
spyware.
Malware is designed to infiltrate or damage a computer without the consent of the owner.
Answer D is incorrect. Stealware is associated with Web bugs or spyware.
It is used by Web sites to affiliate marketing programs. Stealware attributes can be present in
peer-to-peer software applications. Spyware, adware, and stealware are similar types of malicious
code. Some Websites are advertised as free and allow information to be downloaded.
However, a pop-up window with a disclaimer should appear.
The disclaimer discloses information of possible charges or rerouting of the Web site. The users
should read the disclaimer to learn what charges are applicable before clicking the advertisement.
Otherwise, they will be liable to pay a large sum of money. The working procedure of stealware is
shown in the figure below:
Answer A is incorrect. Shareware is software designed to use freely or for a limited period available
on the Internet. After completing the given time, the user can either purchase it or legally remove it.
These types of products are usually offered either with certain features only available when the user
has purchased the product, or as a full version but for a limited trial period of time.
Answer C is incorrect. Freeware is computer software that can be used without paying for it.
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