Servion Global Solutions Interview Questions and Answers

1. How to make an immutable class?
2.How to achieve loosely coupling?
3. Write an program to to print the 2 table like this upto 10 (2 × 1 = 2) like this pattern in java?
4. Remove duplicates from an integer array and sort in descending order multiple by 2 find the number count that are greater then 10 ?
5. Some basic of oops concept ?

Q1. Different between POST & GET
Ans. 
POST is used to send data to a server to create/update a resource, while GET is used to request data from a server.
• POST requests are not cached and do not remain in the browser history

• GET requests can be bookmarked and cached

• POST requests have a limit on the amount of data that can be sent

• GET requests have a limit on the length of the URL
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Q2. Different between session & cookie
Ans. 
Session is stored on the server side, while cookies are stored on the client side.
• Session data is stored on the server and is accessible across multiple pages during a user's visit.

• Cookies are stored on the client's browser and can be used to store user-specific information.

• Sessions are more secure as the data is stored on the server side, while cookies can be manipulated by the client.

• Example: Session can be used to s...read more
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Q1. About ur self,SQL important
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Q2. They checking our communication skills.
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Q1. What is network
Ans. 
A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another to share data and resources.
• Networks can be wired or wireless

• They can be local (LAN), wide area (WAN), or global (Internet)

• Networks use protocols like TCP/IP to facilitate communication

• Examples include Ethernet, Wi-Fi, and cellular networks
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Q2. Difference between Lan & Wan
Ans. 
LAN is a local area network that connects devices in a small geographic area, while WAN is a wide area network that connects devices over a large geographic area.
• LAN is typically used within a single building or campus, while WAN connects multiple LANs across different locations.

• LAN has higher data transfer speeds and lower latency compared to WAN.

• Examples of LAN technologies include Ethernet and Wi-Fi, while WAN techn...read more
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