CISSP Exam Note (Telecommunications and Networking Security Domain) – LAN/WAN Devices, Types and Speeds of Leased Lines, etc.
LAN Devices
Repeaters (Layer 1) – amplify signal, no added intelligence, no filtering
Hubs (Layer 1) – used to connect multiple LAN devices, no added intelligence
Bridges (Layer 2)
- Amplifies signal and adds some intelligence
- Forwards the data to all network segments if the Media Access Control (MAC) or hardware address of the destination computer is not on the local network segment
- Automatically forwards all broadcast traffic
Search Engine Optimization For Dummies (Paperback)
Review
“…cuts through the nonsense, providing a clear, simple and concise explanation of how websites reach top positions in search engines …” (PC Advisor, September 2006)
–This text refers to an out of print or unavailable edition of this title.
Why do some sites pop to the top when you search? How do you make yours one of them? You create sites that make search engines happy — that’s what search engine optimization is all about. Search Engine Opt (more…)
The Twitter Book (Paperback)
Amazon.com Review
This practical guide will teach you everything you need to know to quickly become a Twitter power user, including strategies and tactics for using Twitter’s 140-character messages as a serious–and effective–way to boost your business. Co-written by Tim O’Reilly and Sarah Milstein, widely followed and highly respected Twitterers, the practical information in The Twitter Book is presented in a fun, full-color format that’s packed with helpful examples and clear explanations. Twitter Tips 1. Even if you use Twitter primarily to post information that’s not directly about your company, you can—and should—use it to sometimes link back to your own site or blog. Many companies find that Twitter can become a top referrer to their sites, so avail yourself of that benefit—just do it in a smart way. The key is to frame the link in a way that’s interesting to your Twitter followers. So instead of sayin (more…)
Yeah Boy! I passed the PMP Exam… (Part 2)
Continued from Yeah Boy! I passed the PMP Exam… (Part 1)
Another area that concerned me the most is the fact that I can’t seem memorize the various formulas presented in the study material. I eventually developed a way to remember these formulas by trying to read them like words (sounding like a Klingon). I will explain this in another post if I get around to it. There were also the different theories in motivation and leadership. Again on top of everything else that I have been trying to jam into my noggin’ this was another bang-my-head-on-the-desk item. For this, I also developed a simple system to allow me to remember them better. Read more
Yeah Boy! I passed the PMP Exam… (Part 1)
Four months of being a near-recluse, self-studying and sometimes overly stressing finally paid off. I passed the Project Management Professional (PMP) exam yesterday. For folks who are not familiar with the certification, Project Management Professional (PMP) is a credential offered by the Project Management Institute (PMI). Click here to learn more about the PMI and its credentialing programs. As of 30 June 2009 (2009 -06-30), there were 359,973 PMP certified individuals distributed globally. Read more
Information Technology for Management: Transforming Organizations in the Digital Economy (Hardcover)
Thoroughly Updated Sixth Edition! Social networks are transforming how people communicate, work, and play. This comprehensive new edition highlights this new technology and scores of others that are changing how organizations operate and compete in the current global environment. The cover depicts two examples of social network. The larger image is a visualization of the trust relationships in a web-based social network. The smaller figures are default avatars from Second (more…)
The Google Story: For Google’s 10th Birthday (Paperback)
Review
“[The authors] do a fine job of recounting Google’s rapid rise and explaining its search business.”—New York Times“An intriguing insider view of the Google culture.”—Harvard Business Review“Fascinating…meticulous…never bogs down…Even if you think you’ve heard about Google ad nauseam, you will find new items about this important company.”—Houston Chronicle“An interesting read on a powerhouse company…if you haven’t read anything about one of today’s most influential companies, you should. If you don’t read The Google Story, you’re missing a few extra treats.—USA TodayFrom the Hardcover edition.
Moscow-born Sergey Brin and Midwest-born Larry Page dropped out of graduate school at Stanford University to, in their own words, “change the world” through a powerful search engine that would organize every bit of information on the Web for free. The Google Story takes you deep inside the company’s wild ride f (more…)
Joomla! For Dummies (Paperback)
With its pre-coded modules, open source Joomla! is popular for building interactive Web sites without writing code. This Web site design tool lets you build sites with discussions, polling, RSS feeds, picture submissions, shopping carts, and a lot more, quickly and easily and the quickest, easiest way to learn how to use it is Joomla! For Dummies. Learn to link articles on your site with drop-down menus, invite visitors to rate content, enable a full-site search, let your guests sign up for e-mail lists, and much more. Joomla! For Dummies helps you to: Acquire the free Joomla! content management system, install it, and customize the home page See how menus control the elements in Joomla! and use menu items to create your page layout Use templates— powerful collections of PHP and CSS—to make your pages do what you want them to Create searches, polls, page menus, newsflashes, and banners using built-in Joomla! modules Build search engi (more…)
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The Accidental Billionaires: The Founding of Facebook A Tale of Sex, Money, Genius and Betrayal (Hardcover)
Amazon.com Review
Amazon Exclusive: Kevin Spacey on The Accidental Billionaires Kevin Spacey’s films include Superman Returns, Beyond the Sea, The Usual Suspects, American Beauty, Swimming with Sharks, Seven, L.A. Confidential, Glengarry Glen Ross, The Negotiator, Hurlyburly, K-Pax, and The Shipping News. He will next be seen in Men Who Stare at Goats opposite George Clooney, Ewan McGregor, and Jeff Bridges, as well as Nick Moran’s film Telstar opposite Colm O’Neil and Pam Ferris. Read his exclusive Amazon guest review of The Accidental Billionaires: I first met Ben Mezrich when I produced and starred in 21, the film adaptation of his great bestseller Bringing Down the House. Ben has a gift for finding high-energy, strange-but-true tales and The Accidental Billionaires is no exception. You may think you know the story of the Facebook phenomenon, but you haven’t heard the whole story and never like this. Recreating the unbelievable rise of the w (more…)
Strategies for E-Business: concepts and cases (2nd Edition) (Hardcover)
Ideal for MBA students and upper level undergraduates, this book utilises extensive research, strategic frameworks, a methodological toolset and original real-world case studies to link e-business to overall corporate strategy. It builds awareness and sharpens students’ analytical understanding of how companies have developed and implemented electronic and mobile commerce strategies in the real world and the issues and challenges that e-commerce strategies and applications prese (more…)
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Business Tech Press Releases- How to Get Bloggers to help in Your Press Release Distribution May 20, 2012
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- Irosoft anuncia la exitosa implementación de sus soluciones LIMS en Barbados May 19, 2012
- El nuevo Barneys.com es más que comprar, es comprar con una historia May 19, 2012
- From the National Vulnerability Database
- CVE-2012-1090 (linux_kernel) May 16, 2012The cifs_lookup function in fs/cifs/dir.c in the Linux kernel before 3.2.10 allows local users to cause a denial of service (OOPS) via attempted access to a special file, as demonstrated by a FIFO. […]nvd@nist.gov
- CVE-2012-2123 (linux_kernel) May 16, 2012The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process […]nvd@nist.gov
- CVE-2012-0044 (linux_kernel) May 16, 2012Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.1.5 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted ioctl call. […]nvd@nist.gov
- CVE-2012-2121 (linux_kernel) May 16, 2012The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices. […]nvd@nist.gov
- CVE-2012-0207 (linux_kernel) May 16, 2012The igmp_heard_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and panic) via IGMP packets. […]nvd@nist.gov
- CVE-2012-1601 (linux_kernel) May 16, 2012The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists. […]nvd@nist.gov
- CVE-2011-4621 (linux_kernel) May 16, 2012The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop. […]nvd@nist.gov
- CVE-2012-1179 (linux_kernel) May 16, 2012The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS, related to the pmd_none_or_clear_bad function and page faults for huge pages. […]nvd@nist.gov
- CVE-2012-0879 (linux_kernel) May 16, 2012The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context. […]nvd@nist.gov
- CVE-2012-1146 (linux_kernel) May 16, 2012The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple events that are attached to the same eventfd, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by registering memory threshold events. […]nvd@nist.gov
- CVE-2012-1090 (linux_kernel) May 16, 2012