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Network+ Exam Tutorial: Ports, Port Numbers, and SocketsNetwork+ Exam Tutorial: Ports, Port Numbers, and Sockets If there's one thing that can be a bit confusing to many Network+ certification exam candidates, it's the concept of ports and sockets. Well, it was confusing to me when I got started with computer certifications! Cisco CCNP Certification Exam Tutorial: Making The Most Of Cisco's CCNP Program Changes As you probably know by now, Cisco's making some sweeping changes in their Cisco Certified Network Professional (CCNP) program. Network+ Exam Certification Tutorial: The Bus Topology The Physical layer of the OSI model isn't the most exciting or interesting to work with, but it's the foundation for everything we do in networking. The same goes for the physical side of networking - whether it's cable types, network topologies Network+ Certification Exam Tutorial: DHCP And RARP Part of passing the Network+ exam is mastering the many different protocols and services you're introduced to in your studies, and that's especially hard when two protocols do much the same thing! This IP address does not belong to the PC forever. When the DHCP server is configured, the length of the DHCP Lease is set. This value is the amount of time the host devices will retain a DHCP address assigned to them by this DHCP server This IP address does not belong to the PC forever. When the DHCP server is configured, the length of the DHCP Lease is set. This value is the amount of time the host devices will retain a DHCP address assigned to them by this DHCP server Network+ Certification Exam Tutorial: ARP and Proxy ARP Explained In yesterday's Network+ tutorial, we talked about the importance of Address Resolution Protocol (ARP) in today's networks. A host PC must have the MAC and IP addresses of a remote host in order to send data to that remote host Network+ Certification Exam Tutorial: Address Resolution Protocol (ARP) When you're studying for the Network+ exam, you've got to master the fundamentals of networking, because the Network+ is a hard exam to pass due to the range of information covered. Hard Disk Data Recovery The computer is much like a moody fiance. You never know how it would react. Sometimes it is just fine, running at high speed and following your every command Is Your Company Data Secure? | Blackberry Hacks Are Here There's a new route into your company's secure data. It's the Blackberry PDA. A hacking program has been developed which exploits the relationship between the Blackberry The European data recovery industry between the Rich Rhymes & Poor Substance Often forensic & data recovery specialists, reduce their sales approach to cheap sales tricks with claims that they have acquired/developed machines capable of reading SATA RAID

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Yahoo News Citigroup shares drop; CEO plans to keep Smith Barney (Reuters)   ( Fri, 21 Nov 2008 21:33:40 GMT ) Reuters - Citigroup Inc Chief Executive Vikram Pandit tried to downplay speculation the banking giant might sell major businesses to restore its health and investor confidence, but shares still tumbled for a fifth straight day. Obama moves to pick Geithner for Treasury (Reuters)   ( Fri, 21 Nov 2008 22:47:24 GMT ) Reuters - President-elect Barack Obama on Friday moved toward nominating Timothy Geithner as Treasury secretary and charging the respected head of the New York Federal Reserve with helping pull the United States out of an economic nosedive. Wall Street stages late rally on Geithner news (Reuters)   ( Fri, 21 Nov 2008 22:07:12 GMT ) Reuters - U.S. stocks stormed higher in a late rally on Friday to cap another volatile week as investors welcomed reports that President-elect Barack Obama has chosen his point person to combat the U.S. economic crisis, instilling confidence about the administration's ability to take action. Goldman cool to Citi deal even with U.S. aid: source (Reuters)   ( Fri, 21 Nov 2008 22:37:03 GMT ) Reuters - Goldman Sachs Group Inc is not interested in buying hard-hit Citigroup Inc , even with substantial U.S. government financial support, a person familiar with Goldman's strategy said Friday. Wal-Mart's Scott retiring as CEO, Duke to succeed (Reuters)   ( Fri, 21 Nov 2008 20:41:10 GMT ) Reuters - Wal-Mart Stores Inc , which is gaining market share amid a global economic downturn, said Lee Scott will retire as chief executive early next year and will be succeeded by Mike Duke, who heads its international operations. 1 2

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Is Your Company Data Secure? | Blackberry Hacks Are Here Hard Disk Data Recovery Network+ Certification Exam Tutorial: Address Resolution Protocol (ARP) Network+ Certification Exam Tutorial: ARP and Proxy ARP Explained This IP address does not belong to the PC forever. When the DHCP server is configured, the length of the DHCP Lease is set. This value is the amount of time the host devices will retain a DHCP address assigned to them by this DHCP server Network+ Certification Exam Tutorial: DHCP And RARP Network+ Exam Certification Tutorial: The Bus Topology Cisco CCNP Certification Exam Tutorial: Making The Most Of Cisco's CCNP Program Changes Network+ Exam Tutorial: Ports, Port Numbers, and SocketsNetwork+ Exam Tutorial: Ports, Port Numbers, and Sockets