Interview Questions

Q:

How can you configure Wi-Fi network and what are Wi-Fi Protocols?

Answer

Basically there are many standards of Wi-Fi in the industry but some popular of them are 802.11a, 802.11b, 802.11g/n. With the support of these Wi-Fi protocols we can communicate/interact among the devices at the speed of 5Ghz to 2.4Ghz dual band communication.

If we have Wi-Fi nic card so firstly we have to install their drivers and after installation if we have Wi-Fi access point then we can see the signal strength in the right corner below just open that and find the access point to connect, if access point is configured with the security, type the key to connect and enjoy the service.

Wi-Fi is technically referred to as the 802.11 protocol. Over time, Wi-Fi has improved, giving rise to different variations of the protocol.

802.11a – This version operates at 54Mbps. It is considered as the favorite wireless LAN protocol for IP telephony.

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Q:

What are the features added in iOS 9 ?

Answer

  • Intelligent Search and Siri- Intelligent Search is an excellent mechanism to learn user habits and act on that information- open apps before we need them, make recommendations on places we might like and guide us through our daily lives to make sure we’re where we need to be at the right time.
    Siri is a personal assistant to the users, able to create contextual reminders and search through photos and videos in new ways. Swiping right from the home screen also brings up a new screen that houses “Siri Suggestions,” putting favorite contacts and apps right on your fingertips, along with nearby restaurant and location information and important news.

  • Deeper search capabilities can show results like sports scores, videos, and content from third-party apps, and you can even do simple conversions and calculations using the search tools on your iPhone or iPad.

  • Many of the built-in apps have been updated.
    ✓ Notes includes new checklists and sketching features
    ✓ Maps now offers transit directions
    ✓ Mail allows for file attachments
    ✓ Apple Pay is being improved with the addition of store credit cards and loyalty cards
    ✓ Leading “Passbook” to be renamed to “Wallet” in iOS 9.

  • San Francisco font, wireless CarPlay support

  • An optional iCloud Drive app, built-in two-factor authentication and optional longer passwords for better security.

  • Performance improvements

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Q:

What is a PeopleSoft database?

Answer

Peoplesoft Database is similar to other database which is used to store data. Peoplesoft database stores data in a table format for system PeopleTools and Application tables. This is independent of the process you use to retrieve that data from PeopleSoft. Inside PeopleSoft database, only three types of tables reside inside the schema: System Catalog tables, PeopleTools tables, and Application data tables. Two of these table types, System Catalog and PeopleTools tables, can be referred to as metadata tables; users make use of Application data tables to store the data they need for their processes.

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Subject: Oracle

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Q:

What are the different types of errors in php?

Answer

Notices: These are trivial, non-critical errors that PHP encounters while executing a script - for example, accessing a variable that has not yet been defined. By default, such errors are not displayed to the user at all - although, as you will see, you can change this default behaviour.

Warnings: These are more serious errors - for example, attempting to include() a file which does not exist. By default, these errors are displayed to the user, but they do not result in script termination.

Fatal errors: These are critical errors - for example, instantiating an object of a non-existent class, or calling a non-existent function. These errors cause the immediate termination of the script, and PHP’s default behaviour is to display them to the user when they take place.

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Subject: PHP

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Q:

What is BAS? What is its function ?

Answer

The Business Application Support (BAS) functional area at SLAC provides administrative computing services to the Business Services Division and Human Resources Department. We are responsible for software development and maintenance of the PeopleSoft applications and consultation to customers with their computer-related tasks.


It's called Broadcast Agent Server. Its function is torun the jobs or reports scheduled and can be monitored using Broadcast Agent Console.

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Q:

What does coalescing a tablespace do?

Answer

Coalescing is only valid for dictionary-managed tablespaces and de-fragments space by combining neighboring free extents into large single extents.

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Q:

What are the different layers of cloud computing?

Answer

Cloud computing consists of 3 layers in the hierarchy and these are as follows:


1. Infrastructure as a Service (IaaS) provides cloud infrastructure in terms of hardware like memory, processor speed etc. 


2. Platform as a Service (PaaS) provides cloud application platform for the developers. 


3. Software as a Service (SaaS) provides cloud applications which are used by the user directly without installing anything on the system. The application remains on the cloud and it can be saved and edited in there only.

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Subject: Cloud Computing

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Q:

Name any three PL/SQL exceptions?

Answer

Too_many_rows.


No_Data_Found.


Zero_Error.


 

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Subject: SQL

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