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Posts from ‘March, 2010’

Cisco CCNP Certification

Author: fandy

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Cisco CCNP Certification – BCMSN Exam – Defending Against VLAN Hopping Attacks

By Chris Bryant

During our Cisco CCNP BCMSN certification exam preparation, we’ve seen how intruders can use seemingly innocent ARP and DHCP processes can be used to harm our network, so it shouldn’t come as any surprise that Dot1q tagging can be used against us as well!

One form of VLAN Hopping is double tagging, so named because the intruder will transmit frames that are “double tagged” with two separate VLAN IDs. As you’ll see in our example, certain circumstances must exist for a double tagging attack to be successful:

The intruder’s host device must be attached to an access port.

How To Become a Cisco CCNP

by Chris Bryant

Congratulations on your decision to earn your CCNP certification! As a CCIE, I can tell you that Cisco certifications are both financially and personally rewarding.

To earn your CCNP, you first have to earn your CCNA certification. Then you’re faced with a decision – take the three-exam CCNP path, or the four-exam path? They’re both quite demanding, so let’s take a look at each path.

The four-exam CCNP path includes the Building Scalable Cisco Internetworks exam (BSCI), Building Cisco Multilayer Switched Networks exam (BCMSN), Building Cisco Remote Access Networks (BCRAN), and Cisco Internetwork Troubleshooting (CIT) exam.

The Recommended Ccnp Training Courses To Get The Certification

Author: Martin Voelk

Cisco Certified Network Professional (CCNP) is one of the prestigious exams held all over the world. This is the entry level certification which is an indication of a professional to handle a network – install, configure, operate and troubleshoot both Wide Area and Local Area network problems. With a CCNP certification you are eligible to get a job of networks for an enterprise.

The CCNP training courses are provided to those candidates who are aspiring to become Cisco certified professionals. They have to clear Cisco exams of entry level for CCNP certification. The CCNP training courses focus on topics which are required for an entry level professional. The topics include converged network, security, quality of service (QoS), broadband technologies, installation of a network, virtual private networks.