sql - a beginner''s guide, 2nd edition (2003)
Tài liệu SQL A Beginner’s Guide Third Edition pptx
... Query Language (SQL) to create and alter database objects,
add data to and delete data from the database, modify data that has been added to that database,
and of course, retrieve data stored ... chapter.
Understand Relational Databases
Structured Query Language (SQL) supports the creation and maintenance of the relational
database and the management of data within that database. However,...
Networking, A Beginner''''s Guide, Fifth Edition (Networking Professional''''s Library) ppt
... on. A NIC, for
example, is part of the physical layer.
Data-Link Layer
The data-link layer, layer 2, defines standards that assign meaning to the bits carried by
the physical layer. It establishes ... 28
Physical Layer 30
Data-Link Layer 30
Network Layer 30
Transport Layer 31
Session Layer 31
Presentation Layer 31
Application Layer 32
Understanding How Data Travels
Through the OSI Layers...
Networking: A Beginner’s Guide Fifth Edition- P1 potx
... the
trademark. Where such designations appear in this book, they have been printed with initial caps.
McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales ... For my daughters, Vivian and Maxine,
of whom I am extraordinarily proud.
Networking:
A Beginner’s Guide,
Fifth Edition
BRUCE HALLBERG
New York Chicago San Francisco
Lisbon London Madri...
Networking: A Beginner’s Guide Fifth Edition- P2 potx
... 44
Comparing Rings to Stars and Buses 46
Demystifying Network Cabling 47
Overview of Basic Cable Types 47
Twisted-Pair Cabling:
The King of Network Cables 48
Coaxial Cable 52
Installing and Maintaining ... 147
Practices and User Education 148
Understanding External Threats 149
Front-Door Threats 150
Back-Door Threats 152
DoS Threats 153
Viruses and Other Malicious Software 154
Chapter Summar...
Networking: A Beginner’s Guide Fifth Edition- P3 potx
... the Virtual Machine 384
Installing VMware Tools 386
Backing Up Virtual Machine Data 388
Chapter Summary 388
Appendix Understanding the Sarbanes-Oxley Act 389
Sarbanes-Oxley Act Summary 390
Title ... Fedora 361
Downloading and Installing Apache Web Server 361
Administering Apache Web Server 363
Stopping and Starting Apache 363
Changing the Apache Configuration 363
Publishing Web Pages 364
Chap...
Networking: A Beginner’s Guide Fifth Edition- P4 pot
... job, and is essentially the project manager for the book. It involves keeping
all of the parts of the book moving forward, knowing where all the chapters are
at any given time, and occasionally ... other companies.
You should seriously consider pursuing an appropriate certification. While
certifications can never replace experience, they are one way that a person can
demonstrate a ne...
Networking: A Beginner’s Guide Fifth Edition- P5 ppt
... In a smaller company that
has only one network administrator, duties include the following:
N Creating, maintaining, and removing user accounts
N Ensuring that necessary backups are made on a ... within the company, such as manufacturing,
sales and marketing, accounting, purchasing and materials, retail operations, and so
forth. The range of managers that you interview will depend on ....
Networking: A Beginner’s Guide Fifth Edition- P6 pdf
... salaries are top-notch, and people working in the networking field have jobs that
are—more than most—fun, stimulating, and rewarding in many ways.
Finally, you learned a little about the Sarbanes-Oxley ... those jobs. Many opportunities are available. The important thing is to get started
and pursue your objectives.
Sarbanes-Oxley Act of 2002
You may be wondering what a law that was pas...
Networking: A Beginner’s Guide Fifth Edition- P7 potx
... numbers, A equals 10 in the decimal system, B equals 11, C equals 12, D
equals 13, E equals 14, and F equals 15.
You can determine the decimal value for a hexadecimal value manually using the
same ... letter x can be either lowercase or
uppercase, so both 0x11AB and 0X11AB are correct. Hexadecimal numbers may also
be shown with a trailing letter h, which can be lowercase or uppercase...
Networking: A Beginner’s Guide Fifth Edition- P9 doc
... are usually accomplished with a stand-alone computer—called
a gateway server—that handles the e-mail interface between the two systems, by using
gateway software that is part of the file-based ... server-based applications that are
packaged together to make them more economical for smaller companies.
N Use mailboxes from a service provider that runs a high-end e-mail system (and
h...
Networking: A Beginner’s Guide Fifth Edition- P10 docx
... physical layer so the
network layer (layer 3) can transmit its data. The data-link layer typically includes error
detection and correction to ensure a reliable data stream. The data elements carried ... part of the physical layer.
Data-Link Layer
The data-link layer, layer 2, defines standards that assign meaning to the bits carried by
the physical layer. It establishes a reliable prot...
Networking: A Beginner’s Guide Fifth Edition- P11 ppt
... example, when data goes into the networking software and components
making up the OSI model, it starts at the application layer and includes an application
header and application data (the actual ... provide specific application services to an application.
An example is a server that runs a database that a distributed application uses.
N E-mail servers, which provide e-mail storage a...
Networking: A Beginner’s Guide Fifth Edition- P12 pdf
... some big drawbacks. Because all the subcables that make
up the segment and run from node to node must be connected at all times, and because
a failure in any part of the segment will cause the ... words standing
for its inventors, Mr. Paul Neill of Bell Labs and Carl Concelman of Amphenol
Corporation). BNC is a bayonet-style connector that quickly attaches and detaches
with a quarte...
sql - a beginner's guide, 2nd edition (2003)
... implemented language for relational databases. SQL not only
allows you to manage data within the database, but also manage the database itself. By using
SQL statements, you can access an SQL database ... Structured Query Language (SQL) to
create and alter database objects, add data to and retrieve data from the database, and modify data
that has been added to that database.
SQL is the...
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