comptia a certification exam guide
Tài liệu Troy Technologies USA_ A+ CERTIFICATION STUDY GUIDE Core Exam doc
Ngày tải lên :
10/12/2013, 15:15
... 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 ... colors
PGA (Professional Graphics Adapter) First video card capable of 3-D displays
VGA (Video Graphics Adapter) Replaced PGA and provide 640x480 @ 16 colors
SVGA (Super VGA) Same as VGA but provides ... statements is true?
A: Each PC can access any other PCs data.
128: Which bus has up to a 16bit path?
A: ISA
129: What sort of chip has 168 pins?
A: DIMM
36
283: How many bytes are stored in a...
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Tài liệu Troy Technologies USA A+ certification study guide pdf
Ngày tải lên :
11/12/2013, 14:15
... electrical charge?
A: Capacitor
419.
A parity error usually means a problem with?
A: Memory (RAM)
21
A: Perform a full backup
254.
What is the cheapest way to access the Internet?
A: Dial Up access
255.
... 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 ... of 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...
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Tài liệu Oracle Certified Professional DBO Certification Exam Guide pdf
Ngày tải lên :
17/01/2014, 09:20
... Configuration
3. Network and Database Availability
4. Database Structure and Object Creation
5. Oracle Usage and Database Security
6. Backup, Recovery, and Data Loads
7. Database Tuning and Troubleshooting
8. ... containing data about a running Oracle instance.
ã
LocksãElements in the Oracle database that ensure that only one user at a time can
make a change to any particular item of data.
ã
LatchesãElements ... more datafiles. Each datafile can belong to one and only one
tablespace.
ã
Data blocks are subsets of datafiles. Each datafile will contain many data blocks,
each of which is exactly the same...
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comptia a+ certification all-in-one desk reference for dummies
Ngày tải lên :
25/03/2014, 15:21
... pass.
The CompTIA A+ Essentials Exam
The CompTIA A+ Essentials Exam (220-601) covers the basics of computer
maintenance and support across the CompTIA A+
domains, or exam areas.
Table 1-2 provides a ... breakdown of the exam areas that are covered on the
CompTIA A+ Essentials Exam. This exam puts heavy emphasis on personal
computer components and operating systems.
Table 1-2 CompTIA A+ Essentials ... Understanding A+ Certification and its benefits
ߜ Looking at the exams and their objectives
ߜ Preparing for the exams
ߜ Arranging to take the exams
ߜ Test day
S
o you are interested in taking the CompTIA...
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CompTIA Network+ Certification Study Guide part 79 doc
Ngày tải lên :
04/07/2014, 13:20
... 81
Media, 3
Media access control. See MAC
Media attachment unit (MAU), 72
Megabits per second (Mbps), 51
Mesh topology, 27
Messaging application program
interface (MAPI), 257
Metropolitan area network, ... 431–432
authentication. See
Authentication
Network address translation (NAT),
291, 345–346, 601
Network analyzer. See Protocol
analyzer
Network attached storage (NAS),
138–139
Network basic ... 90
transmission, 609
Hardware, 3, 9–11
address. See MAC address
security devices, 386–405,
467–468
Hardware compatibility list (HCL),
118
Hardware loopback adapter, 62
Health Insurance Portability...
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CompTIA Network+ Certification Study Guide part 1 pps
Ngày tải lên :
04/07/2014, 13:20
... Conserve Addresses 320
Private Network Addresses 322
Multicast, Broadcast, and Unicast 329
Understanding Basic IP Routing 335
Summary of Exam Objectives 346
Exam Objectives Fast Track 348
Exam ...
Developmental Editor: Gary Byrne Copy editor: diacriTech, Chennai, India
Indexer: diacriTech, Chennai, India Cover Designer: Alisa Andreola
For information on rights, translations, and bulk sales, ... limitation may not apply to you.
You should always use reasonable care, including backup and other appropriate precautions, when working with computers,
networks, data, and les.
Syngress Media
đ
,...
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CompTIA Network+ Certification Study Guide part 2 pdf
Ngày tải lên :
04/07/2014, 13:20
... 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 3 ppt
Ngày tải lên :
04/07/2014, 13:20
... “snapshots” of
you taken from virtualization software such as VMware
as an example. Restoring a system, its data and add-
ing more storage, hardware resources, and services
becomes very easy ... computer named UNIVersal Automatic Computer
(UNIVAC). UNIVAC was the first computer to use magnetic tape instead
of paper cards to store programming code and data, and much faster than
What Is a Network? ...
two and a half years to design and build ENIAC I, at a cost of half a million
dollars. The ENIAC I was faster than previous computers, and used to per-
form calculations for designing a hydrogen...
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CompTIA Network+ Certification Study Guide part 4 pptx
Ngày tải lên :
04/07/2014, 13:20
... are available as software (such as Windows VPN, available on
Windows 2003 and 2008) and hardware (firewalls such as Cisco PIX or ASA
and Nokia/Checkpoint) implementations. In general, software ... into their local ISPs and create a virtual tunnel to the office. A tunnel
is created by wrapping (or encapsulating) a data packet inside another data
packet and transmitting it over a public medium. ... encapsulated at the source and unwrapped at the destination.
The process of establishing the VPN and wrapping and unwrapping the data
is transparent to the end user.
Most commercially available...
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CompTIA Network+ Certification Study Guide part 5 pot
Ngày tải lên :
04/07/2014, 13:20
... of LANs
and WANs that data may pass through. LANs may be as small as a couple of
computers networked together, and a WAN may be as large as the Internet or
as small as two LANs (yours and ... isn’t a defining factor. WANs are
often owned and managed by more than one organization. Each LAN that
is part of the WAN may be managed by individuals or IT departments, and
either maintains ... a WAN is a network that is larger than a LAN.
What distinguishes a LAN from a WAN in terms of area is ambiguous and
speculative at best.
LANs are small- to medium-size networks, and generally...
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CompTIA Network+ Certification Study Guide part 6 ppt
Ngày tải lên :
04/07/2014, 13:20
... this information, which of the Offices are part of a LAN
and a WAN?
A. Office A and B
B. Office B and C
C. Office C and D
D. The entire network (Office A, B, C, and D)
An organization has offices ... lines.
A MAN is a group of LANs that are internetworked within a local
geographic area, which the IEEE defines as being 50 km or less in
diameter.
45
EXAM OBJECTIVES IN THIS CHAPTER
CABLING AND ... receptionists are
automatically uploaded to the PDAs whenever the sales staff enters
the main reception area. What types of networks are being used in
this environment? Choose all that apply.
A. MAN
B....
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CompTIA Network+ Certification Study Guide part 7 pptx
Ngày tải lên :
04/07/2014, 13:20
... signals to transmit data.
Bandwidth
Bandwidth is a measurement of the amount of data that can be passed over
a cable in a given amount of time. If you compare cabling to a highway, and
data to ... detail later in this chapter, be aware that there are three
types of physical media that can be used on a network:
Coaxial cable
Twisted-pair cable
Fiber-optic cable
Coaxial cable, also ... provides an access point for data to move along the cable
to its intended destination.
The purpose of a cable is to carry data across a network. A network card
passes an electronic signal onto a cable...
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