Telecommunications and Network Security Concepts for CISSP Exam

The telecommunication and network security domain deals with the security of voice and data communications through local area, wide area, and remote access networking. The focus is to understand the networking models such as Open Systems Interconnect (OSI) and TCP/IP models, which are the most important models that follow a layered approach to networking, as well as the security mechanisms for Internet, Intranet, and Extranet in terms of firewalls, routers, and intrusion detection and protection systems.

The telecommunication and network security domain is one of the 10 domains of the Certified Information Systems Security Professional (CISSP) exam.

In this article by M.L.Srinivasan, we will discuss the following topics:

• Different protocols that are in transport layer, network/internet layer, and link layer in the TCP/IP model
• Some threats and vulnerabilities that are prevalent to such protocols
• Common attacks and possible countermeasures
• Important technologies and the security issues associated with them

Term Extraction Tasks in SQL Server Integration Services

Microsoft SQL Server's SQL Server Integration Services is a comprehensive, full featured tool for processing data in the back-end storage locations. Extraction of attributes in a body of text is an important task while mining data and the SSIS provides just the required transformation - Term Extraction, to accomplish this task. SSIS looks through the presented text document and sorts out terms. By terms are meant specifically nouns, noun phrases, and both nouns and noun phrases. You also have the flexibility of limiting extracted terms based on their frequency of occurrence. For example you could configure the task in such a way that you can capture terms that are repeated in the body of text a certain number of times.

This tutorial by Jayaram Krishnaswamy shows a simple example of extracting terms from a body of text.

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To celebrate the publication of six new Microsoft books on Monday, 24th January 2011 Packt has a special offer on all the latest Microsoft books

Purchase 2 or more Microsoft books and get 25% off each book throughout January

There is also the chance to win one year's free subscription to PacktLib (worth $220) every Monday by entering Packt's Microsoft Monday Competition

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Testing a HELP System in a Java Application

It is always necessary to have a Help section in our software application. When users do not find a way out from a specific problem in our application, it is the help section they turn to. Hence it is important that the help feature is well maintained and without any errors. In this article by Tim Lavers and Lindsay Peters, we will see the errors that can occur in our help section and how to test the help section.