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JK0-U11 - CompTIA Strata Fundamentals of PC Functionality 1 - Dump Information
Vendor | : | CompTIA |
Exam Code | : | JK0-U11 |
Exam Name | : | CompTIA Strata Fundamentals of PC Functionality 1 |
Questions and Answers | : | 114 Q & A |
Updated On | : | December 15, 2017 |
PDF Download Mirror | : | JK0-U11 Brain Dump |
Get Full Version | : | Pass4sure JK0-U11 Full Version |
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The FireWire 400 port is now referred to as the IEEE 1394 port. The maximum speed of FireWire 400
Explanation:
is
400 Mbps. The standard FireWire 400 connector for ports found on
Macintosh computers is a six-pin connector. Another popular FireWire 400
connector, found on devices such as camcorders and Windows computers,
is the 4-pin connector. The image displayed in the question has 6-pin
FireWire 400 port.
QUESTION: 107
You want to add broadband wireless access to a laptop. What type of card will you use to accomplish this?
- MCA card
- Network interface card
- PCI card
- Aircards
Answer: D
Explanation:
Aircards
are used to provide wireless broadband access. They are often PCI
Express type cards. Answer: B is incorrect. A NIC would help in
accessing the local network,
but not broadband wireless. Answer: A is incorrect. MCA is a very outdated expansion
type for PC's. Answer: C is incorrect. PC's use PCI, laptops use PCI mini express.
QUESTION: 108
Which of the following software displays advertisements, whether or not the user has consented?
- Trojan horse
- Spyware
- Adware
- Honeypot
Answer: C
Explanation:
Adware
is software that displays advertisements, whether or not the user has
consented. Adware is software that automatically downloads and display
advertisements in the Web browser without user permission. When a user
visits a site or downloads software, sometimes a hidden adware software
is also downloaded to
display
advertisement automatically. This can be quite irritating to user. Some
adware can also be spyware. Answer: B is incorrect. Spyware is a
program that takes partial control over a user's computer without user's
permission. Spyware programs can collect various types of personal
information, such as Internet surfing habits, and Web sites that the
user has visited. Spyware programs can also interfere with the control
of a user's computer, such as installing additional software,
redirecting Web browser activities, accessing Web sites blindly, etc.
Answer: D is incorrect. A honeypot is a term in computer terminology
used for a trap that is set to detect, deflect, or in some manner
counteract attempts at unauthorized use of information systems.
Generally it consists of a computer, data, or a network site that
appears to be part of a network, but is actually isolated, and
monitored, and which seems to contain information or a resource of
value to attackers. Answer: A is incorrect. Trojan horse is a malicious
software program code that masquerades itself as a normal program. When a
Trojan horse program is run, its hidden code runs to destroy or
scramble data on the hard disk. An example of a Trojan horse is a
program that masquerades as a computer logon to retrieve user names and
password information. The developer of a Trojan horse can use this
information later to gain unauthorized access to computers. Trojan
horses are normally spread by e- mail attachments. Unlike viruses,
Trojan horses do not replicate themselves but only destroy information
on hard disks.
QUESTION: 109
Which
of the following are a form of online advertising on the World Wide Web
intended to attract Web traffic or capture email addresses?
- Java applet
- Signed script policy:
- Pop-ups
- Cookies
Answer: C
Explanation:
Pop-up
ads or pop-ups are a form of online advertising on the World Wide Web
intended to attract Web traffic or capture email addresses. It works
when certain Web sites open a new Web browser window to display
advertisements. The pop-up window containing an advertisement is usually
generated by JavaScript, but can be generated by other means as well.
Answer: D is incorrect. A cookie is a small bit of text that accompanies
requests and pages as they move between Web servers and browsers. It
contains information that is read by a Web application, whenever a user
visits a site. Cookies are stored in the memory or hard disk of client
computers. A Web site stores information, such as user preferences and
settings in a cookie. This information helps in providing customized
services to users. There is absolutely no way a Web server can access
any private information about a user or his computer through cookies,
unless a user provides the information. A Web server cannot access
cookies created by
other
Web servers. Answer: B is incorrect. Signed script policy is a policy
in which testing is required to check the identity of a user sending
requests from a Web browser. In this policy, when a receiver receives a
request from the user to access some resources of his computer, he can
grant or deny the access on the basis of whether the request is coming
from a trusted or a non-trusted source. If the receiver permits the
request, the code will run on the browser after further checks. An
author converts the code in the form of an encrypted text, which is
recreated on the browser as a simple text. The code will not run on the
browser if there is any modification in the text. Answer: A is
incorrect. A Java applet is a software program written in Java language.
It is distributed as an attachment in a Web document and executed in a
Java- enabled Web browser. Java applets can run on almost any operating
system without requiring recompilation.
QUESTION: 110
You
work as a Network Administrator for Tech Perfect Inc. The company has a
TCP/IP-based network. You install a sound driver on a computer
running Windows XP Professional. After installation, you reboot the
computer and logged in. You find that the speakers attached to the
computer are not working anymore. You re- install the original driver,
but it does not work. Which of the following steps will you take to
resolve the issue?
- Restart the computer with Last Known Good Configuration.
- Use System Restore.
- Use Disk Management on the computer.
- Restore Windows XP Professional using an Automated System Recovery (ASR) backup.
Answer: B
Explanation:
The
System Restore is a part of System Recovery Options in Windows. It
is used to restore a computer to its previous state without losing any
personal data files. System Restore automatically creates restore points
while monitoring changes made to the computer and application files.
These restore points are used to revert the system to its previous
state. Restore points are created daily and at the time of major system
events such as installation of an application or driver. Restore points
can also be created and named manually at any time. Answer: A is
incorrect. The Last Known Good Configuration feature provides a copy of
the system state that was in effect the last time a user successfully
logged on. This configuration is stored in the
HKLM/System/Current/ControlSet registry key. Last Known Good
Configuration is the quickest way to resolve issues caused by faulty
drivers. This option will not resolve the issue as you have already
restarted the computer and logged in. Answer: C is incorrect. Disk
Management is a graphical tool used to analyze the situation of local
volumes. It is used for managing disks and volumes. Answer: D is
incorrect. Automated System Recovery (ASR) is an advanced option of
Backup Tool. ASR is
used
when other recovery methods fail. It restores the last system backup
taken through the ASR backup utility. You will lose all configurations
since the last ASR backup.
QUESTION: 111
You
work as a Network Administrator for Tech Perfect Inc. The company has a
WPAN network. You have a Bluetooth enabled laptop. You are
communicating with an employee who is working in another cabin. Which of
the following transmission technologies does the Bluetooth enabled
laptop use while establishing communication with the employee?
- Frequency Hopping Spread Spectrum
- Multiple-Input Multiple-Output
- Orthogonal frequency division multiplexing
- Direct sequence spread spectrum
Answer: A
Explanation:
Bluetooth
uses FHSS (Frequency Hopping Spread Spectrum) technology for
communication. Bluetooth is a standard for very low powered and
short-range radio connections. It is used to link personal access
devices (PDA), mobile phones and laptops, and provides them with
Internet access via hot spots. Bluetooth uses the 2.4
Ghz spectrum with a data rate of about 1 Mbps. As a radio technology, Bluetooth does
not
require line of sight like an infrared connection requires. The maximum
transmission range of Bluetooth is around 10 meters. High-powered
Bluetooth would extend the range to 100 meters. Answer: D, C, and B are
incorrect. Bluetooth does not use these three technologies for
communication.
QUESTION: 112
You
are selecting memory for a new computer. You need to use DDR2 memory.
However, the catalog from which you are ordering has incomplete
information. Which of the following types of RAM does DDR2 come under?
- RDRAM
- DRAM
- SDRAM
- SIMM
Answer: C
Explanation:
The
types of synchronous Data RAM are DDR, DDR2, and DDR3 RAM. Answer: B is
incorrect. Dynamic Random Access Memory is not the same as DDR. Answer:
A is incorrect. Rambus DRAM is actually an alternative to DDR and is
more expensive. Answer: D is incorrect. SIMM is a legacy memory type.
QUESTION: 113
Mark
works as a Network Administrator for NetTech Inc. The network has 150
Windows 2000 Professional client computers and four Windows 2000
servers. All the client computers are able to connect to the Internet.
Mark is concerned about malware infecting the client computers through
the Internet. What will Mark do to protect the client computers from
malware? Each correct answer represents a complete solution. Choose two.
- Prevent users of the client computers from executing any programs.
- Assign Read-Only permission to the users for accessing the hard disk drives of the client computers.
- Educate users of the client computers to avoid malware.
- Educate users of the client computers about the problems arising due to malware.
Answer: D and C
Explanation:
Mark
will do the following to protect the client computers from malware:
Educate users of client computers about the problems arising due to
malware. Educate users of
client
computers to avoid malware. If an executable program is attached to an
e-mail and the user is unsure about the source, then he should delete
the e-mail immediately. Moreover, users should not download any
applications or executable files from unknown sources, and should be
careful when exchanging files with other users. Malware are malicious
software programs that cause damage to a computer, server, or computer
network. All software such as a virus, spyware, and Trojan, etc., are
malware. Answer: A is incorrect. Preventing users from executing any
programs will create problems, as they will not be able to do their work
properly. This will affect users' performance and total productivity.
Answer: B is incorrect. Assigning Read- Only permission to the users for
accessing the hard disk drives will prevent them from writing or saving
any files on the hard disk. This will also not be a good practice.
QUESTION: 114
Which of the following is the bandwidth of an SCSI Ultra2 Wide I/O port?
- 320 MBps
- 80 MBps
- 50 MBps
- 160 MBps
Answer: B
Explanation:
The
SCSI Ultra2 Wide I/O port has a bandwidth of 80 MBps. Small Computer
System Interface (SCSI) is the second most popular drive interface in
use today after the Integrated Drive Electronics (IDE) interface. SCSI
is faster than IDE and supports more devices. SCSI devices, such as hard
disk drives and CD-ROM drives, are better suited to a network
environment in which many users access shared drives simultaneously.
SCSI has three standards: SCSI-1, SCSI-2, and SCSI-3. Answer: C is
incorrect. The IEEE 1394a S400 I/O port has a bandwidth of 50 MBps.
Answer: D is incorrect. The SCSI Ultra3 I/O port has a bandwidth of 160
MBps. Answer: A is incorrect. The SCSI Ultra4 port has a bandwidth of
320 MBps.
CompTIA JK0-U11 Exam (CompTIA Strata Fundamentals of PC Functionality 1) Detailed Information
JK0-U11 - CompTIA Strata Fundamentals of PC Functionality 1
JK0-U11 Test Objectives
Step 1: Choose your certification
Research what’s available, and pick an IT certification that will help you achieve your career goals. Use the CompTIA Career Roadmap to learn about different IT career paths and IT salaries so you can decide which certification may be best for you.From entry-level knowledge in computer hardware and computer software to advanced IT security and IT networking skills, CompTIA IT certifications cover it all:
- Foundational certifications: For students or workers new to IT
- Professional certifications: For entry-level or established IT workers
- Specialty certifications: For areas of expertise
- Mastery certifications: For seasoned IT professionals
Step 2: Start Learning and Training
There’s a wealth of certification training and learning options available that will prepare you for your CompTIA certification exam.Combine instructor-led training with self-study materials, or use CompTIA CertMaster, a tailored online training companion that speeds up your IT certification training for maximum learning efficiency.
Explore Training Options
Step 3: Get Familiar with the Certification Exam
It’s a good idea to always understand what you’re training for. That’s why we’re offering not just exam objectives, but also practice questions for download. While the same exact questions will not be on your exam, these will give you a good idea of what to expect when you’re ready to take your certification exam.Be sure to check out online communities on Facebook, LinkedIn and Reddit to see what others are saying about CompTIA exams.
Download Exam Objectives
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Step 4: Register and Take Your Certification Exam
Buy a certification exam voucher and visit a testing center to take your exam.Congratulations! You’re CompTIA Certified!
With your certification in hand, you’re joining a community of more than 2 million IT professionals who are CompTIA certified. You now have a globally recognized credential that is on your side to grow your IT career.The CompTIA certification logo will help you stand out and earn attention with your resume and LinkedIn profile.
There’s also CompTIA AITP, CompTIA’s association for IT professionals, that provides you with all the tools you need to find your first or next job in IT and fuel up your IT career!
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