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Tài liệu Troy Technologies USA A+ certification study guide pdf
... 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. ...
Ngày tải lên: 11/12/2013, 14:15
Tài liệu Troy Technologies USA_ A+ CERTIFICATION STUDY GUIDE Core Exam doc
... - 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...
Ngày tải lên: 10/12/2013, 15:15
Tài liệu Zend PHP Certification Study Guide- P4 pdf
... 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...
Ngày tải lên: 26/01/2014, 11:20
CompTIA Network+ Certification Study Guide part 2 pdf
... 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...
Ngày tải lên: 04/07/2014, 13:20
CompTIA Network+ Certification Study Guide part 8 pdf
... 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....
Ngày tải lên: 04/07/2014, 13:20
CompTIA Network+ Certification Study Guide part 18 pdf
... 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...
Ngày tải lên: 04/07/2014, 13:21
Zend PHP Certification Study Guide- P8
... 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...
Ngày tải lên: 17/10/2013, 21:15
Zend PHP Certification Study Guide- P9
... 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....
Ngày tải lên: 20/10/2013, 14:15