a certification study guide free pdf
Tài liệu Troy Technologies USA A+ certification study guide pdf
Ngày tải lên :
11/12/2013, 14:15
... RAM and what?
A: A swap file
445.
Memory that is paged out to the hard drive is known as what?
A: virtual memory
Congratulations!!
You have purchased one of the Troy Technologies USA Study Guides.
This ... AUTOEXEC.BAT?
A: DOSKEY
40.
Which allows faster access; RAM, ROM, or virtual memory?
A: RAM
41.
What batch file command will stop a batch file operation until a key is pressed?
A: PAUSE
42.
What ... following is a proper DOS filename?
A: !RONNY.EXE
362.
A Win 3.x system has a lot of hard drive space, what can you do to optimize it?
A: Make a permanent swap file and let Windows manage it.
363.
...
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Tài liệu Troy Technologies USA_ A+ CERTIFICATION STUDY GUIDE Core Exam doc
Ngày tải lên :
10/12/2013, 15:15
... - Hard drives store data in circular paths on each platter surface (Head). These paths are called
tracks. There are hundreds of circular tracks on each Head. Starting from the inner most track, ... Language) HP’s own hardware dependent printer language.
Postscript PDL (Page Description Language)
A hardware independent language capable of high
resolution graphics.
37
A: Printhead
297: What ... two)
A: Assure that you and the PC are at the same electrical charge level
Use anti-static spray liberally
2
Memory
Random Access Memory (RAM)
- The working area of your PC where programs are...
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Tài liệu Zend PHP Certification Study Guide- P4 pdf
Ngày tải lên :
26/01/2014, 11:20
... either an integer numeric or string value.Thus,
for example, an array could contain a floating-point value, a string, a Boolean, and even
another array.
Although PHP will automatically provide a key ... keys
n
Creating and handling multidimensional arrays
n
Sorting arrays
n
Randomizing arrays
n
Intersecting arrays
n
Calculating the difference between one or more arrays
n
Serializing arrays
Creating Arrays
The ... In
addition, $_REQUEST is a method-agnostic array that you can use to access form data
(basically a merge of both $_GET and $_POST).
Superglobal arrays are available in every scope, which makes...
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CompTIA Network+ Certification Study Guide part 2 pdf
Ngày tải lên :
04/07/2014, 13:20
... users.
This page intentionally left blank
About the Authors xiii
daughter, Sara; adorable daughter, Emily; charming son, Jason; and beautiful
and talented daughter, Alicia.
Dustin L. Fritz (ECSA) is ... specializes in information operations conditions;
information assurance vulnerability management; risk and vulnerability
assessments; certification and accreditation; security awareness and plan-
ning; ... provided support and worked in the areas of pro-
gramming, hardware, database administration, graphic design, and network
administration. In 2007, he was awarded a police commendation for his
work...
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CompTIA Network+ Certification Study Guide part 8 pdf
Ngày tải lên :
04/07/2014, 13:20
... loopback adapter is a way to test the ports on a system without
having to connect to an external device. For example, you can use a serial
loopback adapter to verify that a transmitted signal ... coaxial cable and twisted-pair cable are copper
cables, and fiber-optic cable uses glass or plastic fibers, different issues may
arise for each type of cable. As we look at these types of cabling, ...
fiber strands, as this will damage the fibers and make the cable unusable.
During installation, special tools will be needed to strip the cable so that
the appropriate connector can be attached....
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CompTIA Network+ Certification Study Guide part 18 pdf
Ngày tải lên :
04/07/2014, 13:21
...
and flood the network.
VLAN
A VLAN is a virtual LAN that allows messages to be broadcast to all of
the network devices that are in the same broadcast domain. A broadcast
domain is a logical ... forward the packet only to the computer that
the data is intended for.
Broadcast messages are the messages that are sent out to all of the
nodes in a broadcast domain. A broadcast domain is a ... the ability
to look at the content of the data being transmitted.
Content switches take advantage of caching and load balancing so
that the amount of data transmitted across networks and...
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Zend PHP Certification Study Guide- P8
Ngày tải lên :
17/10/2013, 21:15
... will
not automatically download anything that’s referenced in an HTML email.
If you want to add images to your email, you need to use attachments.
Attaching a File to a Message
To attach a file to an ... www.verypdf.com to remove this watermark.
133
Formatting an Email Message
Managing Email Headers
Email headers are lines of text that go at the start of an email message. Headers hold
information ... by MTAs and MUAs. If you pass a list of additional headers into the
mail()
function, it will automatically add these headers to your email message. Each
header in the list must be separated by...
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Zend PHP Certification Study Guide- P9
Ngày tải lên :
20/10/2013, 14:15
... stream has a transport,
perhaps a file wrapper, one or two pipelines, and perhaps a context. PHP also maintains
metadata about the stream.
What Is Stream Metadata?
Stream metadata is data about ... and aggregating data
n
Using transactions
n
Escaping user input
n
Managing dates
“Databasics”
Most modern general-purpose DBMSs belong to a family known as “relational databas-
es.” In a relational ... think of a bank that must update your account informa-
tion—stored in a table that contains your actual financial operations and another one in
which your account balance is stored—after a deposit....
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