Archive for June, 2010

How to Determine the Right Fiber Optic Network Backup Switch

1. Questions to Consider in the Design of Your Switch.

A. How many positions does your application require?

i. Two-position and three-position switches are very common. Complex multi-position switches are also required.

B. What type of connector or port preference? The selection of connectors include ST, SC, LC, ESCON and others.

i. ST connectors use a plug and socket that is locked in place with a half-twist bayonet lock.

ii. SC connectors feature a push-pull latching system providing speedy insertion and

removal along with a positive connection. Read more

SNMP Function and how works

For network systems, managing the currents of information that is constantly traversing the systems is a must. For this reason, one must know how SNMP functions, and how it makes the task of monitoring data easier.

SNMP Basic Function

SNMP stands for Simple Network Management Protocol. It was developed as part of several Internet Protocols. Today it is used extensively to oversee devices connected to various types of network management systems.

How SNMP Works

The following is an example of how SNMP operates. Assume that there is a network management system (NMS), and it has several “mini networks” or “network elements” attached to it. There is a constant stream of data moving back and forth which must be supervised by the main network system.

To make this process easy, an SNMP component (often called an SNMP agent) is installed in each of these network elements. Each SNMP agent has different tasks, but what they all basically do is provide feedback information on each network element to the main network. Read more

Computer Network Routers,Hubs, and Switches

When computer networks are working well, which we hope is most of the time, the inner workings of the system modules are transparent to the average user. The most common components on a computer network, not counting cables, are “routers“, “hubs“, and “switches“. Many of these modules can be similar cosmetically. Each assembly typically has Ethernet connectors (RJ45, which looks like an oversized telephone plug) and LED indicators. However, these modules function differently, and it is important to understand the differences.

Modern network hardware operates on the “Open System Interconnection” (OSI) standard. This standard defines how communications on a network should be implemented. By conforming to this standard, modules from different manufacturers can coexist on the same network. Wireless networks (WiFi) and the 802.11X standard are an additional subset of network systems. Read more

10 Tips About CCIE Exam Preparation

CCIE is one of the most respected and widely know certifications in the IT industry. It is sometimes compared to PhD in networking. People certified with CCIE certification are experts in one or more fields of networking. The oldest and the most widespread is the CCIE in Routing and Switching, but there are other CCIE tracks, too. Network security experts are certified as CCIE Security, VoIP experts as CCIE Voice, for example. Other tracks include Service Provider, Wireless, Storage and Service Provider Operations. Whatever the track, one thing is certain – person certified as CCIE has gone through grueling preparation and even more difficult on-site hands-on test, delivered by Cisco. Certification is administered by Cisco, but is respected and accepted as certificate of utmost networking competence and achievement by everyone.

The biggest value of this certification is that there are no shortcuts, cheats and so-called “brain-dumps” that can be used! Since it’s an on-site, hands-on examination that lasts EIGHT hours, it’s not hard to imagine why. Furthermore, Cisco has cherished and nurtured their CCIE program since 1993. CCIE certified individuals bring many benefits to their companies, such as improved/faster access to relevant support teams within Cisco, but much more importantly, by being experts who can be relied on.

What does one need to do to become CCIE? Here are ten tips for the effective CCIE preparation. Read more

The Salaries Of CCNA

The Cisco Certified Network Associate or the CCNA is a certification for professionals who are genuinely interested in networking, and who want to endeavor in the fields of Cisco routers and switches. CCNA certification is awarded by Cisco systems. It signifies that competency has been achieved in installing, configuring and operating various services for small networks. CCNA professionals not only earn more than others, but they are preferred for their level of competency. The professionals are paid the best salaries in the business and are assets to any company.

The average salary of a CCNA professional is approximately $ 43,376.67. Research has revealed that certification can lead to a 12% increase in salary or close to a $ 6,000 raise. CCNA certified professionals were reported to have an average income of $ 70,000 in 2000. Multiple certifications directly correlate to pay increases. Reports reveal that if the GPA or Grade Point Average is excellent, the professional is paid an even higher salary. The GPA and the performance level of the professional determine the salary.

The salaries of CCNA professionals differ within the region of operation. Data analysis shows that in the US, salaries differ according to the place of work.

The benefits of CCNA certification are far greater than the fees paid for it. These professionals can work as network administrators. They do well in Local Area Networks, LAN, Wide Area Networks, WAN, and other fields of computing. The salary of a CCNA professional largely depends on the organization. The metropolitan cities offer more compensation packages to their employees. The organizations, chiefly dealing with networking and allied services, hire CCNA professionals. The CCNA professionals have very good career prospects. Statistics show that CCNA professionals get highly rewarding opportunities in the field of computing.

Cisco CCDA Certification overview

The CCDA certification will help you to get great future in the IT industry. CCDA is otherwise called as the Cisco certification design associate. These professionals are responsible for maintaining the networks. Those who are interested in the network design can acquire these skills and the CCDA certification. This course is not for a particular group of people and everyone who is interested can take this certification exam and have a great future. The only thing is that the one who likes to apply for this certification course should either have a diploma certificate, under graduation certificate, or a post graduation certificate. These are the basic requirements to apply for the CCDA course. Then the next step of the candidates is to analyze about himself and his skill set and knowledge about this certificate course.

 Everyone who likes to have a great career opportunity in the IT industry should have the relevant experience in the field. The professional should have great skills and knowledge about the networking criteria. If you have great skills and knowledge in the field then you have to get the certification and prove your skills. This CCDA certification is a popular course in the IT industry and the main job of these professionals in the IT industry is preparing, planning, implementation, operation, and optimization of the network.

 The professionals should be very interested in getting the latest updates about this network course to have a great future. The candidate can have access to good study materials and get trained by good professionals in the industry. For example pass4sure .Mostly the CCDA certification course will cover the network products and the services like designing the routes, and switched network infrastructure. CCDA professional’s job in the IT industry will be supporting and maintaining the networks in the industry. There are lots and lots of study materials and the guides that are available in the market. It is the only best way to complete the CCDA certification. You can have self preparation or get trained from a institution to pass this CCDA exam.

Some FAQ of Cisco Certification

1. What’s Cisco certification?

It’s released by a well-known network provider – Cisco. In its Career Certification Program, Cisco request that there should be certified engineer in all Cisco agent so as to provide better service to clients as well as build a certification system for network engineer who is familiar to Cisco product.

2. Why for Cisco certification?

It’s a global-known fact being an international talent will benefit both the individual and the company. To be an international talent, an internationalcertification is no doubt the best passport. While among all certifications in market, Cisco certification which was released by the well-known network enterprise Cisco enjoys wild acceptance and great reputation.

3. How certification benefits the candidates?

a) Candidate who gains Cisco certification usually enjoys a favorable salary;

b) The certification owner can enjoy credit exemptions for associate professions.

4. Who need Cisco certification?

a) College graduate: facing fierce competition, college graduate can pale others in job hunting by processing a Cisco certification.

b) Individual who wants to change his profession: for people who want to enter into IT industry, Cisco certification is no doubt the best license to validate your capability for a job role.

c) Network Technician: for these people, Cisco certification enables them to ask for a higher position and better pay.

5. I don’t have college experience or computer major background. Can I gain Cisco certification?

Of course you can, in fact there are great number of candidates who didn’t have computer major background. Only if you own courage and capability in learning something new, you can pursueCisco certification and there is great possibility for you to gain certification.

6. Despite a good pay, what other benefits can I enjoy if a gain Cisco certification?

a) Be list into talent pool;

b) Chances for attending Cisco Technical lecture class;

c) Gain competitive edge and become popular in big enterprises;

d) License enables you to immigrate or work abroad;

e) Gain trust from Cisco as well as client;

f) Gain technical support from Cisco;

g) Be allowed to put Cisco logo on your resume.

7) How much does CCIE certification cost?

Two exams, written exam and lab exam, are required for CCIE certification. The written exam costs $350 USD while the beta exams allow $50 USD discount. The lab exam costs $1400 USD. If candidates can’t pass both the exam at their first try, it may cost more.

8) How can I recertify my CCSP certification?

CCSP certification is valid for three years. There are two paths available for candidates to recertify their CCSP certification. One is to pass any 642 exam which belongs to professional level certification; the other is to take and pass any CCIE written exam. Candidate should pay attention to that the two paths can be followed only when candidate processes a valid CCSP certification.

9) Can I take CCNP exam directly?

No, you can’t. A valid CCNA certification can act as the prerequisite of CCNP exam. 

10) What can I do after gaining CCNA certification?

As we all know, CCNA certification is an associate level certification which validate the fundamental skills and knowledge of candidates’. CCNA certification enables candidate to pursue other higher level certifications, which means CCNA is just a springboard for candidate. After gaining CCNA certification, candidates can consider about pursuing other higher level certifications in Cisco certification system.

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