CCNA (640-802) Short Notes: Exam Passing Tips

Describe how a network works

    • A successful PINGing of a host exhibits the connectivity through layers 1, 2, and 3 of an OSI network model.
    • Simple Mail Transfer Protocol (SMTP) and Telnet are application layer protocols of the Internet protocol (IP) suite.
    • Cable modem is used to connect a CATV cable to a computer/router through an Ethernet interface.
    • A Wireless Access Point (WAP) is used to connect wireless hosts to a wired LAN.
    • The Gigabit Ethernet (1000Base-LX) standard supports a maximum cable length of 5000 meters.
    • The 1000Base-LX/SX Ethernet types use fiber cables.
    • The Session layer of the OSI model manages communication between communication entities in a network.
    • The Session layer of the OSI model provides dialog management and assists the upper layers in connecting to services on the network.

To get a glimpse of the CCNA certification exam PrepKits, download its free demo version (which contains 15 free practice questions). Click the link below:

      • 640-802 CCNA: ICND1 and ICND 2
        download link: https://www.ucertify.com/exams/Cisco/640-802.html

OR

      • 640-816 – CCNA: ICND2
        download link: https://www.ucertify.com/exams/Cisco/640-816.html

AND

      • 640-822 CCNA: ICND1
        download link: https://www.ucertify.com/exams/Cisco/640-822.html

Either choose 640-802 as a single exam option or both the 640-816 and 640-822 to become the CCNA certified.

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Skills Required for CompTIA Test 220-602

The CompTIA A+ is being updated and from September 2006 candidates will have to take the CompTIA A+ Essential exam along with the CompTIA A+ 220-602 exam to gain CompTIA A+ credentials for A+ certified IT Technician. The CompTIA A+ 220-602 exam will focus on how to apply technology skills in specific job environments, such as IT Technician, IT Administrator, Service Technician, Field PC Technician, or Computer Technician. With the introduction of the 2006 A+, candidates will have to lay emphasis on Windows 2000, XP, and 2003 versions. The new pattern of CompTIA A+ IT Technician has specified more than twenty objectives, which are grouped under eight topics. Following are some important areas in which an individual should possess good knowledge before taking the 220-602 IT Technician test:

  1. Adding, removing, and configuring personal computer components.
  2. Performing preventive maintenance of personal computer components.
  3. Identifying appropriate applications for laptop-specific communication connections such as Bluetooth, infrared, cellular WAN, and Ethernet.
  4. Identifying appropriate laptop-specific power and electrical input devices and determining how amperage and voltage can affect performance.
  5. Using command-line functions and utilities, including proper syntaxes and switches, to manage operating systems.
  6. Pass A+ certification exam in first attempt. Download latest exam simulation, questions, tutorial and study guide for A+:

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CompTIA A+ Essentials (220-601) Short Notes & Tips

Personal Computer Components

  • If two drives are attached to one controller in a computer, one drive should be set as Master and the other as Slave.
  • If you are unable to open the CD-ROM drive tray by pushing the Eject button on the front panel, open it by inserting a pin into the eject hole on the CD-ROM drive.
  • Secure Digital (SD) card is a non-volatile memory card format used in portable devices such as mobile phones, digital cameras, and handheld computers.
  • CD-ROM, SD card, USB Pen drive, floppy disk, etc., are removable storage media.
  • The serial port comes with two types of connectors, 9-pin and 25-pin. It sends data one bit at a time, over a single wire.
  • A standard IDE/EIDE drive cable has 40 wires.
  • Direct Memory Access (DMA) optimizes the I/O transfer speed in a computer.
  • Pass A+ certification exam in first attempt. Download latest exam simulation, questions, tutorial and study guide for A+:

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    uCertify Launches its Latest PrepKit for UM0-100

    uCertify (July 9, 2009) In the current IT scenario, corporate recruiters are looking for highly skilled and qualified professionals who can match their standards of excellence, as well as their clients’ needs. Not only do they want candidates who have the right combination of skills and experience, but they also require talented people who can improve their company’s productivity and profitability. So, if you have the determination, enthusiasm, and commitment, uCertify can help you build your career through its latest UM0-100 – OMG-Certified UML Professional certification exam PrepKit.

    The UML certification exam, originally introduced in 1994, is an international, vendor-OMG (Object Management Group). The Unified Modeling Language (UML) is an open method used to specify, visualize, modify, construct, and document the artifacts of an object-oriented software intensive system under development. UML offers a standard way to write a system’s blueprints, including conceptual components such as actors, business processes and system’s components, and activities as well as concrete things such as programming language statements, database schemas, and reusable software components.

    uCertify, a leading provider of IT Certification exam preparation solutions, has recently launched its new simulation software for UM0-100 – OMG-Certified UML Professional. To get a glimpse of the UM0-100 PrepKit, you can download its free demo version (which contains 15 free practice questions) from uCertify’s web site. Click the link below:

    https://www.ucertify.com/exams/OMG/UM0-100.html
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    SCWCD CX310-084 Short Notes: Exam Passing Tips

    The Servlet Technology Model

    • The getWriter() method of the ServletResponse interface returns a PrintWriter object suitable for writing character data in the response.
    • The setValue() method of the Cookie class is used to assign a new value to a cookie after the cookie is created.
    • A cookie is created by the server on request from a client. It is stored on a client computer.
    • The getOutputStream() method returns a ServletOutputStream suitable for writing binary data in the response.
    • The getWriter() method of the ServletResponse interface returns a PrintWriter object suitable for writing character data in the response.
    • The sendError() method of the HttpResponse interface sends an error response to the client using the specified status code and message.
    • The getRequestURL() method of the HttpServletRequest interface returns the URL associated with the request as a String.
    • The getCookies() method of the HttpServletRequest interface returns an array of cookie objects that a client sends with a request. However, if no cookies are sent, this method returns a null value.
    • A servlet has three life cycle methods. They are init(), service(), and destroy().
    • A servlet has no main() method. The container is responsible for managing the life-cycle of a servlet.
    • The servlet init parameters are read only once when the container initializes the servlet.
    • Before calling the init() method, a servlet class must be loaded and instantiated.
    • The element of the deployment descriptor declares the initialization parameters that are applicable for an entire Web application.
    • For each request, the Container creates a separate thread.
    • The init() and destroy() methods are called only once in the life of a servlet.

    Pass SCWCD Certification Java 1.4 /J2EE in a first attempt:
    The pre-requisite for this certification is the SCJP certification exam.

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