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[description], Story, any other text you want to use. Cisco CCNA Certification: Should You Take The One-Exam or Two-Exam Approach? by: Chris Bryant, CCIE #12933
One question I'm often asked by CCNA candidates is whether to take the "one big exam", or take the two separate exams required by Cisco to achieve the Cisco Certified Network Associate (CCNA) exam. The question comes up because there are now two separate paths to the CCNA certification. Candidates may take a single exam, 640-811, or two exams, 640-821 and 640-811. What's the difference? The two-exam approach involves exams with different topics and therefore different preparation techniques. 640-821 is the Introduction To Cisco Networking Technologies exam. This course does introduce the candidate to Frame Relay, PPP, and other WAN technologies, but goes into little detail. Emphasis in the Intro course is placed on knowing how Ethernet behaves, how different types of cable are used for different purposes, and knowing what cable to use in a certain situation. The candidate should expect some questions involving binary math as well, but they will involve fairly simple conversions. The 640-811 exam, Interconnecting Cisco Networking Devices, goes into much more detail on WAN technologies. Routing and switching behavior are covered, and the candidate is expected to answer difficult questions involving binary math and subnetting as well. The candidate may also have to demonstrate ability to configure a router or switch via a simulator. Since the ICND exam goes into more detail, it's generally considered the more difficult exam. The approach I recommend to a CCNA candidate depends on their background. If the candidate is a relative newcomer to networking, or hasn't taken a certification exam before, I recommend they take the two-exam approach. This allows the candidate to focus only on the Intro topics, and gives them a strong sense of confidence after passing the Intro exam. That confidence flows over into the ICND exam. For those who have networking experience, and are very familiar with Ethernet behavior and cable types, I recommend the one-exam approach. This allows the candidate to focus on the more advanced topics they'll be seeing in the single exam, while spending just a little time reviewing their Intro-level knowledge. Regardless of the approach you choose, the path to true CCNA success remains the same. Get some real hands-on experience, either by renting rack time online or by putting together your own home lab. Understand what's going on "beneath the command"; don't use router commands when you don't understand what they're doing. Add to that a true mastery on binary math, and you're on your way to having the magic letters "CCNA" behind your name! Chris Bryant
christian radio
Netscape Corporation has created the best known secure server technologies. It uses a security protocol called Secure Sockets Layer (SSL) that provides data encryption, server authentication, message integrity and optional client authentication for a TCP/IP connection. When a client seeking to purchase christian radio connects with a secure server, they exchange a *handshake* which initiates a secure session. With this protocol, the same server system can run both secure and unsecured web servers simultaneously. This means an christian radio organization or company can provide some information to all users using no security, and other information that is secured. For example, a business that sells christian radio online can have its storefront (merchandise catalog) unsecured, but ordering and payment forms can be secure. Why are these developments important? As the Internet becomes a way to buy and sell christian radio products and services, financial transactions become essential. Right now, most christian radio transactions involve the exchange of credit card information, either directly over the network, or by phone, to complete a transaction initiated online. Eventually, you will be able to use cash as well as credit, directly over the network. There are two basic kinds of digital cash, anonymous cash and identified cash. Anonymous cash is just like paying for christian radio with paper cash but it also carries no information about the person making the transaction, and leaves no transaction trail. You create it by using numbered bank accounts and blind signatures. Identified cash, on the other hand, contains information revealing the identity of the person who withdrew it from the bank. Like credit card transactions, identified cash can be tracked as it moves through the system and involves fully identified accounts and non-blind signatures. Whether you use digital cash when purchasing christian radio is entirely up to you. We suggest you employ the purchasing avenues available from the christian radio supplier we recommend. Real Time Media On The Net Index
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