Monday, 23 January 2017

SEM Interview Question Freshers & Experinces -1

Qus 1: What is PPC?
Ans: PPC stands for 'Pay Per Click' it is a part of paid marketing on Google as well as Google partner site. In paid market advertiser pay to the publishers when add is clicked.

Qus2 :  Tell me some Paid Platform where we can show own ads?
Ans: There is platform list with their advertising tools given below :
  • Google : Goolgle Adwords
  • Facebook : Ad  Manager
  • Twitter : Twitter Ads
  • Bing : Ads Center
  • Linked In : Linked In Ads

Qus 3: What is Adwords?
Ans : Adwords is the system that Google design for the advertising on Google and its Affiliate website. It will place an ads that appears when people search for the phrases associated to your products and services.

Qus 4: What is CPC?
Ans : CPC stands for the 'Cost per Click' it is a bidding method in Adwords campaign. In CPC bidding method advertiser charged for each click on their ads. This  method introduce for the more clicks.

Qus 5: What is CPM?
Ans : CPM stands for 'Cost per Thousands Impressions'. In this bidding method advertisers will charge for every 1000 impressions. This methods use for the product or service visibility and branding.

Qus 6: What is CPA?
Ans : CPA stands for the 'Cost per Acquisition'. This bidding method optimized for the conversion, advertiser charge only for the conversion or when people show interest to your product and services.

Qus 7:  What is Adrank?
Ans:  How Google determines which ads appear in which positions. Multiple advertisers use the same keywords to trigger their ads or want their ads to appear on the same websites (Google).
How does Google determine whose ads will appear in which order, its called Adrank.
Adrank depends on Bid and the Quality Score of ads.

                                                       Ad Rank = Quality Score x Bid
Qus 8: What is ECPC?
Ans : ECPC stands for the Enhance Cost per Click' bid. Google increase 30% of your maximum CPC but in the last of month monthly budget same. In some condition when not get proper clicks in that case Google increase Max CPC by default. Its Called 'Enhance CPC' .

Qus 9: What is Actual CPC?
Ans : Actual CPC is the final amount you're charged for click. You're often charged less- sometimes much less than your maximum cost per click (max CPC) bid, which is the most you'll typically be charged for click.

Qus 10: What is Average CPC?
Ans : The Average CPC amount that you've been charged for a click on your ads. Average CPC is based on your actual CPC's (the actual amount you're charged for a click on your ads ) which is might be different than your maximum CPCs (the highest amount that you are willing to pay for click).
                                                         Avg.CPC = Total Cost/Click

Best Of Luck 😍






Thursday, 19 January 2017

SEO Interview Question and Answer Freshers & Experienced -2

Qus 1: Can you define Adword?
Ans: Adword is referred as the main advertising product of Google which is useful to make appear your ads on Google and its partner websites including Google Search. This Google's product offer PPC (Pay Per Click) advertising which is a primary module and incorporate a sub module CPC (Cost Per Click) where we bid that rate that will be charged only when the users click your advertisement. One another sub module is CPM (Cost Per Thousand Impression) advertising where advertiser pay for a thousand impression on flat rate to publisher. In addition it also includes website targeted advertising of banner, text and rich-media ads. Moreover, the ad will appear especially to those people who are already looking for such type of product you are offering as well as offer to choose particular sites with geographical area to show your ads.

Qus 2: What is PPC?
Ans: PPC is the abbreviated form of Pay Per Click and is an advertisement campaign conducted by Google or tool Google Adwords.
“In PPC an advisors pay to the publisher when ads click”

Qus 3: What are the aspects in SEO?
Ans: The main aspects in SEO are divided in two classes:  SEO On-Page and SEO Off-Page.
SEO On-Page includes Meta tag, description, keywords optimization, site structure and analysis, etc.
SEO Off-Page aspect are Keyword Research, unique and quality content, link building through Blog Comments, Blog Posting, Article submission, Press Release, Classified posting, Forum posting.

Qus 3: What do you know about RSS?
Ans: RSS stands for Really Simple Syndication is useful to frequently publish all updated works including news headlines, blog entries etc. This RSS document also known as web feed, feed or channel that incorporates summarized text including metadata i.e. authorship and publishing dates etc.
However, RSS feeds make the publishers flexible by syndicating the content automatically. There is a standardized file format XML that lets the information to be published once which can be visible to several distinct programs. Also, this make readers more ease to get updates timely by allowing them to subscribe from their favorite sites.

 Qus 4: How would you define Alexa?

Ans: Alexa is a California based subsidiary company of Amazon.com which is widely known for its website and toolbar. This Alexa toolbar congregate browsing behavior data and send it to website, where the data is analyzed and stored and create report for company's web traffic. Also, Alexa provides data concerned to traffic, global ranking and other additional information for a websites.

Qus 5: How can you achieve Google Page Rank?
Ans: Generally, Google Page Rank is based on high quality inbound links, therefore, more backlinks you collect more your page rank will be. Also, it is influenced by rank of page which is linked to you. One other thing to consider is that how older your website will be or how old your domain, it will be more favorable and trusted to Google. Google reward those websites who incorporates lots of pages, tons of incoming link and also healthy quantity of internal links to another pages within the site. In respect of SEO projects, relatively it is not so significant but delivers a picture about work to perform towards earning inbound links.

Qus 6: Why the Title Tag in Website is valuable?
Ans: In our SEO efforts Title Tags are very useful. It is highly recommended to include a Unique Title that exactly says about the contents sits in that page. It is valuable because this is thing which appears in the Search Engine Result section and tells the user & search engine, what the quality of that project is.

Qus 7: What is Site Map and distinguish between HTML sitemap and XML sitemap?
Ans: A sitemap incorporates list of web-pages which is accessible to users or crawlers. It might be a document in any form employed as a tool for planning either a web page or web design that enables them to appear on a website as well as typically placed in a hierarchical style. This helps search engine bots and users to find out the pages on a website. The site map renders our website more search engine friendly as well enhances the probability for frequent indexing.

HTML sitemap can be incorporated directly in a web page for user’s flexibility and can be implemented through proper design. On the other hand, XML sitemap is useful only for search engine crawlers or spiders and doesn't visible to users.

Qus 8: What's the significance of Robots.txt file in a website?
Ans: Robots.txt file is considered as a convention useful to prevent cooperating web robots and web crawlers from accessing all or part of a website or its content for which we don't want to be crawled and indexed but publicly viewable. It is also employed by search engines to archive and categorize website and to generate a rule of no follow regarding some particular areas of our websites.


Qus 9: How Keywords are implemented for optimization?
Ans: The best way to opt and implement keywords is to designate those keywords which are popular, relevant to our content, comprises high search volume and effective. Stuffing and over employment of keywords must be avoided. In order to get best result and effect, our pages shouldn't contain keyword density more than 3-4%. Including keywords into title and description is highly recommended.

Qus 10: What is cloaking?
Ans: Cloaking is a technique which is used in Black Hat SEO that enables to create two distinct pages where the page content being presented to search engine spider is different from that which is being presented to user's browser. This technique does not come under the guidelines of search engines.


Qus 11: Do you know about Blog Flipping?
Ans: Blog Flipping is the practice to sale a blog when it becomes famous and popular as well as driving healthy amount of traffic.

Qus 12: What you opined about HTML either it is Case Sensitive or Case Insensitive?
Ans: HTML is case Insensitive . It doesn't matter and deliver identical result either you write in Upper Case or Lower Case.

Qus 13: Under what circumstances you would intend to eliminate pages from search engines through robots.txt vs. Meta robots tag?
Ans: Generally, I would continue to employ robots.txt in order to make search engine indexing a directory on a website. This might be often a directory that is concerned with admin function or incorporate contents only in form of script or image gallery. Generally, robots.txt is employed to prevent a directory and its sub-folders and files to crawl by search engine bot as well as Meta robots tag for a specific web page.

Qus 14: What things are significant in organically ranking a website?
Ans: Basically there are various things that have being employed for organically ranking a website which can be classified in 3 distinct categories:
  • Website content: It must be quality and unique content as well as most be well optimized and well structured.
  • Website structure: This include TAGS, clear navigation, ensuring usability, validation of HTML errors and miscellaneous.
  • Back-links: You can create a link for anywhere but prior to this it is obvious to ensure for relevant site and healthy link.



Qus 15 : What steps would you follow to optimize a website?
Ans: These are following steps to be followed while optimizing a website:

  • First of all we will interview webmaster or website owner to congregate relevant information, goals and website's purpose.
  •  Performing keyword analysis and find out the best search volume keywords that should be incorporated into the website as well as individual pages of the website.
  •  Analyzing the content of website in order to ensure usage of content relevant keywords and phrases. This comprises titles, “alt” attributes and META tags (Meta Title, Meta description & Meta Keyword).
  • Target & implementing keywords as H1, H2 & so on relevant to the site and its content.
  • Analyzing website navigation.
  • Ensuring the robots.txt file and sitemap existence as well as check their efficiency.
  • If required, making recommendations for modifications in website as well as its each and every page and so on…..


Qus 16: What is considered as more significant – Creating great content or building backlinks?
Ans: Both are obvious. Creating quality content is considered as the first element responsible for ranking as well as building backlinks is useful to build authority to a site as well as coined as a metric for ranking well.

Qus 17: What will be your step when the company website you are working with wish to migrate its all content to a new domain?
Ans: First of all I would update the previous website with permanent redirect to new page for each and every page. Later eradicate previous content from search engines in context of avoiding duplicate content issues.

Qus 18: Can you establish a difference between SEM and SEO?
Ans: SEO is a set of processes to get our website or pages appear in search engine result page. On the other hand SEM is search engine marketing being used in practice to purchase advertising space in Search Engine Page Result.

Qus 19: What strategies would you implement for backlinks?
Ans: I would request for backlinks to competitors relevant website as well as provide reciprocal link if required. In addition, I would attempt to submit press release, article submission, blog submission and other aspects of off-page SEO to most relevant and quality sites.

Qus 20: What do you think about social media in SEO strategy?
Ans: Social networking websites are considered as social media which is very effective and robust for viral marketing. Viral marketing has been proved as very powerful resource, in the case if our content is unique, attractive and appealing. Some media Site:

  • Facebook
  • Twitter
  • Linkedin
  • Myspace
  • Digg
  • Youtube
  • Myspace, etc.

SEO Interview Questions and Answer Freshers-1

In the field of internet marketing Search Engine Optimization (SEO) has been appeared as a good way to promote a website that's means promoting a website in search engine with motive to enhance the ranking in search engine page result and increase the user engagement. However, in order to get top ranking position in search engines a website must be appears as search engine friendly and unique content on website.
Moreover, being a SEO professional you would have to prove your skills and knowledge of SEO as well as SEO services in order to show your expertise in Search Engine field. Hence, in the coming section of this post I am going to present almost everything which concerns with SEO job interview question & answer which ensure your success in the SEO interview. So, just go ahead and go through these set of SEO interview question & answers.

Qus 1: What is Search Engines?
Ans: Search Engines are very precarious key element useful to find out specific and relevant information through huge extent of World Wide Web. Some major commonly used search engine:
·          Google
·          Yahoo
·          Bing

Qus 2: Tell me something about Google.
Ans: Google is the world's largest and renowned search engine incorporating about 66.8% of market share. It was introduced in 1998 by students of Stanford University students Sergey Brin and Larry Page . The unique algorithmic ranking system is considered as its key of success. Apart of Google Mail services there are various worthy and useful tools are being offered absolutely free which include Blogger, Feedburner, YouTube, Google Plus, Adsense, Webmaster Tools, Adword, Analytics and many more.

Qus 3: Define SEO?
Ans: SEO is the abbreviated form of “ Search Engine Optimization”. It is the set of process in account of which a website or web page is being constructed or optimized that helps them to enhance their appearance or visibility at top in SERPs (Search Engine Result Pages).

Qus 4: Explain distinct types of SEO practice?
Ans: Primarily two types of SEO are being sporting in practice – Off-Page SEO and On-Page SEO.

Off-Page SEO is the method of earning backlinks from other high PR websites in order to enhance the ranking of the site. This method include various method of SEO including Directory submission, social bookmarking, Blog posting, forum, article submission, Press release submission, classified and miscellaneous.

On-Page SEO is the process of optimizing a website which includes on-site work such as writing unique content, title, description, H1 tag, Alt tag, Meta tags, Sitemap.xml, robots.txt  as well as ensuring web-page's code and design which can be indexed and crawled by search engines properly.

Qus 5 :What are the different techniques used in Offpage SEO?
Ans: There are lots of techniques used in Offpage SEO work. Major Techniques are:

  • ·          Directory Submission
  • ·          Social Bookmarking
  • ·          Blog Post
  • ·          Article Post
  • ·          Press Release Submission
  • ·          Forum Posting
  • ·          Yahoo Answer
  • ·          Blog Comment
  • ·          Deep link Directory Submission
  • ·          Regional Directory Submission and all that.


Qus 6: Define blog, article & press release?
Ans: A blog is referred as an information or discussion published on website or World Wide Web in related distinct entries called as posts. Basically, the blog is referred as everything thing where you can include others too. It is more individual in disparity to article and press release. It is also considered as very personal in subject to both style and comprised ideas and information and can be written in the way just like you may talk to your readers.

The articles are concerned with specific topic or event and are highly oriented towards an opinion instead of information. An article is supposed to be more oriented towards showing up opinions, views and idea. Generally, it is written by a third party or expert of any specific field.

Press Release is related with a specific action or event which can be republished by distinct medium of mass-media including other websites. It should be simple, short and professional. It conveys a clear message or information.

Qus 7: What are Meta Tags?
Ans: HTML meta tags are usually referred as tags of page data which sits between opening and closing head tags of a document's HTML code. Actually these are hidden keywords who sit in the code. These are invisible to visitors but are visible and readable by Search Engines.
 Example:
 <head>
<title>Not considered as Meta Tag, even required anyway</title>
<meta name="description" content="Write your description here" />
<meta name="keywords" content="Write your keyword here" />
 </head>

Qus 8: Difference between keyword & keyword phrase?
Ans: The keyword term is basically concerned with a one-word term, on the other hand a keyword phrase considered as two or more word-combinations. Therefore, it is very responsible to get high ranking in account of one-word keyword term until the one-word keyword has little online competition. Therefore, this practice is not encouraged to employ. In order to drive more traffic and top ranking in SERP it is recommended to employ keyword phrase.

Qus 9 :What do you know about Black Hat SEO?
Ans: In order to attain High Ranking in search engine result page, websites go for various methods and techniques which are characterized by two categories.
The method which are implemented and acceptable according to search engine guidelines are White Hat SEO , on the other hand, the method which are less acceptable or instructed to avoid in search engine guidelines are “Black Hat SEO”.

Qus 9: Can you tell me some Black Hat SEO techniques?
Ans: Some Black Hat SEO techniques are:
  • ·          Keyword Stuffing
  • ·          Cloaking
  • ·          Doorway Pages or Gateway Pages
  • ·          Link Farming
  • ·          Hidden Text, etc.


Qus 10: What is spider?
Ans: Spider also called as bot, crawler or robot is a set of computer program that browses World
Wide Web in methodical and orderly fashion as well automatically scan the web-page and website for updated content and download a copy to its data center to index.

Wednesday, 18 January 2017

Java Interview Questions Freshers -1

Qus 1: What is Polymorphism?
Ans : The Polymorphism can be referred as one name many forms. It is the ability of methods to behave differently, depending upon the object who is calling it. The key features of Polymorphism are :
1. Allows using one interface for multiple implementations.
2. Supports Method Overloading: Multiple methods with same name, but different formal argument.
3. Supports Method Overridden: Multiple methods have the same name, same return type, and same formal argument list.

Qus 2: Explain garbage collection.
Ans : The Java uses the garbage collection to free the memory. By cleaning those objects that are no longer reference by any of the program. Step involve in cleaning up the garbage collection :
Garbage Object Collection : First step is to collection and group all those object which are no more reference with any of the program. We can use the different methods to collect the garbage object like using runtime.gc() or system.gc().
Run Finalize method : To free up those object which is collected by the garbage collector java must execute the Finalize method to delete all those dynamically created object.

Qus 3: What is an immutable object?
Ans : An immutable object is one that we cannot change once it is created. Steps involved in creation of an immutable object are :
- Make all of its data fields private.
- Methods which can perform changes in any of the data fields after the construction of object must be avoided.

Qus 4: How are this() and super() used with constructors?
Ans : this() Constructors :
- It is used to pointing the current class instance.
- It can be used with variables or methods.
- It is used to call constructer of same class.
- Private variable cannot be accessed using this().
super() Constructer :
- It is used to call constructor of parent class.
- Must be the first statement in the body of constructor.

- Using this we can access private variables in the super class.

Qus 5: What are Access Specifiers available in Java?
 Ans : Java offers four access specifiers, described below :

Public : Public classes, methods, and fields can be accessed by every class.

Protected : Protected methods and fields can only be accessed within the same class to which the methods and fields belong.

Default (no specifier) : When we do not set access to specific level, then such a class, method, or field will be accessible from inside the same package to which the class, method, or field belongs.

Private : Private methods and fields can only be accessed within the same class to which the methods and fields belong. Private methods and fields are not inherited by subclasses.

Qus 6: What is Constructor?
Ans: 
- A constructor is used to initialize a newly created object.
- It is called just after the memory is allocated for the object.
- It can be used to initialize the objects.
- It is not mandatory to write a constructor for the class.
- Name of constructor is same as the class name.
- They cannot be inherited.
- A constructor is invoked whenever an object of its associated class is created.

Qus 7: What are the List interface and its main implementation?
 Ans :The List helps in collections of objects. Lists may contain duplicate elements. The main implementations of the List interface are as follows :

ArrayList : Resizable-array implementation of the List interface.

Vector : Synchronized resizable-array implementation of the List.

LinkedList : Doubly-linked list implementation of the List interface. Better performance than the 

ArrayList implementation when elements are inserted or deleted timely.

Qus 8: Explain the user defined Exceptions.

Ans : User Defined Exceptions are exceptions defined by the user for specific purposed. This allows custom exceptions to be generated and caught in the same way as normal exceptions. While defining a User Defined Exception, we need to take care of the following aspects :
- It should be extend from Exception class.
- Use toString() method to display information about the exception.

Qus 9: Describe life cycle of thread.

Ans : Threads follow the single flow of control. A thread is execution in a program. The life cycles of threads are listed below :

Newborn state : After the creations of Thread instance the thread is in this state but before the start() method invocation. Thread is considered not alive in this phase.
Runnable state : A thread starts its life from Runnable state. After the invoking of start() method thread enters Runnable state.
Running state : A thread first enters Runnable state.
Blocked state : A thread can enter in this state because of waiting the resources that are hold by another thread.
Dead state : A thread can be considered dead when its run() method completes. If any thread comes on this state that means it cannot ever run again.

Qus 10 :What is an Applets?
 Ans :Applets :
- These are small java programs.
- They can send from one computer to another computer over the internet using the Applet Viewer that supports java.
- Applets can run in a Web browser as it is a java program. It can be a fully functional Java application because it has the entire Java API at its disposal.
- Applets follow the security rules given by the Web browser.
- Applet security is also known as sandbox security.

Tuesday, 17 January 2017

Oracle Database Architecture 11g

Oracle Database Architecture 11g :
Oracle Instance: Oracle Instance means to access an Oracle database, always opens one and only one database and consists of memory structures and background process.

Oracle server: a DBMS that provides an open, comprehensive, integrated approach to information management, Consists of an Instance and a database.

Oracle database: Oracle database a collection of data that is treated as a unit, Consists of Datafiles, Control files, Redo log files. (optional param file, passwd file, archived log)


Instance memory Structures:

 System Global Area (SGA):  Allocated at instance startup, and is a fundamental component of an Oracle Instance.

 SGA Memory structures: Includes Shared Pool, Database Buffer Cache, Redo Log Buffer among others.

 Shared Pool : Consists of two key performance-related memory structures Library Cache and Data Dictionary Cache.

 Library Cache: Stores information about the most recently used SQL and PL/SQL statements and enables the sharing of commonly used statements.

 Data Dictionary Cache : Stores collection of the most recently used definitions in the database Includes db files, tables, indexes, columns etc. Improves perf. During the parse phase, the server process looks at the data dictionary for information to resolve object names and validate access.

Database Buffer Cache: Stores copies of data blocks that have been retrieved from the datafiles. Everything done here.

Redo Log Buffer : Records all changes made to the database data blocks, Primary purpose is recovery. Redo entries contain information to reconstruct or redo changes.

What is Seo (Search Engine Optimization)

Search Engine Optimization is the process of improving the visibility of a website on organic ("natural" or un-paid) search engine result pages (SERPs), by incorporating search engine friendly elements into a website. A successful search engine optimization campaign will have, as part of the developments, carefully select, significant, keywords which the on-page optimization will be designed to make prominent for search engine algorithms. Search engine optimization is broken down into two basic areas: on-page, and off-page optimization. On-page optimization refers to website elements which comprise a web page, such as HTML code, textual content, and images. Off-page optimization refers, predominantly, to backlinks (links pointing to the site which is being optimized, from other relevant websites).



Types of SEO

There are two approach of search engine optimization depends on the time & permanent results of ranking Black Hat & White Hat SEO. Though both types of SEO have their proponents, most companies/websites with long-term, stable, and sustainable goals will tend to stay away from the dark-colored variety.

Here is a quick overview:



White Hat SEO
Black Hat SEO
Definition
White hat SEO utilizes techniques and methods to improve the search engine rankings of a website which don't run afoul of search engine (mainly Google) guidelines.
Black Hat SEO exploits weaknesses in the search engine algorithms to obtain high rankings for a website. Such techniques and methods are in direct conflict with search engine guidelines.
Wholesomeness Level
High
Very Low (not wholesome at all if you ask those in charge of cleaning search engine result page spam)
Techniques
Some white hat SEO techniques include: high quality content development, website HTML optimization and restructuring, link acquisition campaigns supported by high quality content and manual research and outreach.
Some black hat SEO techniques include: link spam, keyword stuffing, cloaking, hidden text, and hidden links.
What to Expect
Steady, gradual, but lasting growth in rankings.
Quick, unpredictable, and short-lasting growth in rankings.