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.

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.

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.

Author: nancyjohn

Cisco offers a number of certification levels depending on specific areas of proficiency and nature of job. Some of the certifications pertaining to the field of networking are: Cisco offers widely respected IT certification programs available through Cisco Career Certifications bring valuable, measurable rewards to network professionals, their managers, and the organizations that employ them.

Three Levels of IT Certification

Associate – Professional – Expert

The three levels of general IT certification: Associate, Professional, and Expert (CCIE representing the highest level of achievement).

Six Different Paths

Author: Martin Voelk

In today’s job market, the prevalent competitive scenario makes it difficult for every individual to get a job easily. In such times, it becomes essential for a candidate to be well qualified and hold professional qualifications to make a successful career. So, if you are planning for a career in networking, which is one of the most sought after streams worldwide, it is essential for you to clear the CCNA certification. To obtain the CCNA certification, it is recommended that you enroll for CISCO CCNA training, which is provided by many institutions across the UK. After this, you would be required to appear for and clear the CCNA examinations to be CCNA certified.

By R Govindan

CCNA Training is considered to be one of the most important aspects of networking. This credential is highly respected in the IT and business communities.

It validates your skills specifically in installing, implementing, configuring, maintaining, troubleshooting routed and switched mid-size networks.

It also certifies you for implementing remote connections in a wide area network.

How does it help in career growth?

If you want to earn this networking credential at an associate level, you will need to go through CCNA Certification Training program. In these training programs you get to learn a lot of other important network protocols. These certifications help you to get recognized in the networking market.

By Marcus Peterson

The CCNA certification (Cisco Certified Network Associate) is a certification that indicates a foundation in and apprentice knowledge of networking. CCNA certified professionals can install, configure, and operate LAN, WAN, and dial access services for small networks (100 nodes or fewer) including (but not limited to) the use of protocols such as IP, IGRP, serial, frame relay, IP RIP, VLANs, RIP, Ethernet, and access lists. There are no prerequisites that are required for a CCNA certification.

Author: Smita Mathur

Be it via the wireless or wired communication channel, we and our businesses are communicating faster, better, and of course, more. Information dissemination via a controlled network of routers, switches, and several other wireless mediums form the basis of important business activities of thousands worldwide today.