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17/08/2017

What are the benefits of doing a CCNA course and what are the job profiles offered for this certification?


Cisco Certified Network Associate (CCNA) course is basically a foundation level course which is meant for augmenting aspirants’ capabilities in different fields of networking including installation, functional verification, configuration, operation and implementation of networking connections. Those with CCNA certification can find good job opportunities in various top networking firms.

Course Curriculum of CCNA

CCNA course includes the study of basics regarding how networks function and how to lay down the basic configurations of various networking equipments. It helps the aspirants to build up a good idea relating to WAN / LAN connections. Various protocols including IP, IGRP, frame relay, CLAN’s, Ethernet, Serial, IP RIP, RIP, Access lists, etc are also included in this certification course.

Job Opportunities

After the CCNA course, the candidates can look out for a career in various firms such as Cisco, Novell, Nortel, Juniper, Dell, Lenevo, Apple, etc. They can get into these firms in different job profiles including

Cisco Administrator
Cisco Network Engineer
Intranet Specialist
Network Analyst
Network Architect
Network Messaging Manager
Network Operator Engineer
Network Support Engineer
Network System Analyst
Network Technician
Networking Manager
Solution Center Engineer
Network Operator Engineers and Network Support Engineers in India can earn a monthly salary in the range of Rs. 25,000/- to Rs. 35,000/-. Those who are seeking for a high profile networking profession such as Network Architect or Network Messaging Manager in foreign countries can earn a salary of Rs. 6,00,000/- to Rs.10,00,000/- yearly. The remuneration offered for other jobs would be around Rs. 4,00,000/- to Rs. 6,00,000/- each year.

Advantages of CCNA course

CCNA course would make the candidates apt for various networking jobs. In addition to these, the aspirants will also be made familiar in the area of Cisco’s switches and routers. Cisco certified professionals will also be capable to execute and administer connections for remote sites which run on WAN. They are also updated with basic knowledge regarding matter of network security, networking of wireless computer and further computer skills.

Yet another benefit of CCNA course is that the eligibility criteria required is just a pass in 10+2 standard. And hence the 12th pass outs those who have ample interest in the field of networking can pursue CCNA without a degree qualification. Moreover, career prospects of the candidates will be enhanced with this certification course.

Also, CCNA is the basic qualification required to pursue various advanced certification courses of Cisco including CCIE. Those who are in the industry and require a certification on WAN/LAN can also take up this course which would help them in the case of promotions.

Source: http://entrance-exam.net/ccna-course-and-its-advantages/

Cisco Certified Network Associate (CCNA) course is basically a foundation level course which is meant for augmenting aspirants’ capabilities in different fields of networking including installation, functional verification, configuration, operation and implementation of networking connections. Those...

25/04/2017

Untold story about Wi-Fi

Hedy Lamarr invented the basic technology for WiFi.
The name is coined from the terms Wireless & Fidelity.
It is a direct descendant of the term Hi-Fi used for audio recording and playback equipment.

Wi-Fi is often referred to as 802.11 technology-this is because it is based on the IEEE 802.11 standard. The standard further has the following sub-standards which can be used for Wi-Fi communications:

802.11a - uses high frequency-hence, high speed but cannot pe*****te walls.
802.11b - slower; about 11 mbps, lacks range but can pe*****te walls.
(802.11c - not used for Wi-Fi)
Most commonly used - 802.11g - 54 mbps.
The future - 801.11n - 150mbps.
802.11n, 802.11g and 802.11b Wi-Fi standard equipment can all network together, the alternative 802.11a standard does not support cross-compatibility with any of these others.

Special Wi-Fi access points that support both 802.11a and 802.11b (or higher) radios must be used to bridge the two.
Wi-Fi transmission makes use of The Spread Spectrum-which spreads the signal in the frequency domain to occupy higher bandwidths.

More precisely, it employs the single-carrier direct-sequence spread spectrum radio technology. This increases the reliability and security of the transmitted signals.
A cleverly-designed feature of Wi-Fi called dynamic rate scaling causes wi-fi connection speed to vary with distance.

1 : Different wireless standards

Though most of the facts are covered in the previous answer there are still few I would like to add:

FACT-1
Using WPS (WiFi Protected Setup ) you connect to router without a password given that your router and device you are trying to connect supports it.

FACT-2
Though many people deny health concerns on using WiFi, but I personally felt that when I am continuously connected to my WiFi I have insomnia i couldn't get adequate amount of sleep but after reducing the usage it is all back to normal

FACT-3
WiFi is only radio signals although people think it is its own type of signal.

FACT-4
Hedy Lamarr who invented the basic technology for WiFi
i.e. spread spectrum. was also an actress and was given the title of most beautiful women.
Wi-Fi can travel much longer than you may think, from a few metres to many kilometres

Wireless is so much more than Wi-Fi
Wi-Fi networks can be affected by microwaves
Wi-Fi is not a health problem
WiFi stands for Wireless Fidelity
WiFi is like an invisible cord connecting your computer or cell phone to the internet.
WiFi is only WiFi when you aren't connected by wires. If you are connected with wires it is called Connected Internet.
Hedy Lamarr invented the basic technology for WiFi.
Many Hotels offer free WiFi but there is a limit at about 100 Mega Bytes.
If your home WiFi is weak you can purchase a wireless repeater which expands your WiFi range.
The farther away you are from your router the weaker the WiFi signal will be.
WiFi is only radio signals although people think it is is its own type of signal.
The way that WiFi connects to your, Computer, Laptop, Mobile Device, is by a WiFi card which can either be internal (in newer Laptops and Computers) or external (which is used in old models).
There is such a thing as a WiFi hot spot which can get free or password protected WiFi from your phone or WiFi hot spot device.

14/04/2017