UnitedHealth Group interview questions and answers

361 Articles

361

How to detect phishing ?

July 17, 2021

2 Min Read

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July 17, 2021

2 Min Read

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Answer : There are 5 ways to detect a phishing…

Networking

Editor

What is Spam ?

July 17, 2021

2 Min Read

0 34

July 17, 2021

2 Min Read

0 34

Answer : Spam is garbage mail or garbage newsgroup postings…

Networking

Editor

What is ISP ?

July 17, 2021

1 Min Read

0 29

July 17, 2021

1 Min Read

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Answer : An Internet service provider (ISP) is a company…

Networking

Editor

What are cookies ?

July 17, 2021

1 Min Read

0 14

July 17, 2021

1 Min Read

0 14

Answer : Cookies are messages that web servers pass to web browser…

Networking

Editor

What is LAN and how to works ?

July 17, 2021

1 Min Read

0 29

July 17, 2021

1 Min Read

0 29

Answer : LAN stands for Local Area Network…

Networking

Editor

What is ping and how its works ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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Answer : Ping is a basic Internet tool that allows a user to validate…

Networking

Editor

What is an Addressing Scheme ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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Answer : An addressing scheme is obviously a requirement for communications…

Networking

Editor

How can we enable the USB pen drive in Network if Network administrator Disable the Drive ?

July 17, 2021

1 Min Read

0 4

July 17, 2021

1 Min Read

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Answer : It should be done through the server by editing the…

Networking

Editor

“snap” is used by the Cisco IOS for which encapsulation types ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

0 7

Answer : E. Novell-FDDI…

Networking

Editor

How many types of routing protocols ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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Answer : There are two types of routing protocol…

Networking

Editor

What do you mean by gateway ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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Answer : Gateway is a network point that acts…

Networking

Editor

Suppose in DHCP server running network (assigning ip addresses automatically), you connect a Laptop in the same n/w, now how the DHCP is going to assign an IP address to it and how it will come to know that there’s one new machine added ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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Answers : We define range of ip in DHCP…

Networking

Editor

Difference between wait() and sleep() in java ?

July 17, 2021

1 Min Read

0 11

July 17, 2021

1 Min Read

0 11

Answer : wait() Method of thread class goes in waiting state …

Java

Editor

Difference between ClassNotFoundException and NoClassDefFoundError in java ?

July 14, 2021

1 Min Read

0 21

July 14, 2021

1 Min Read

0 21

Answer : ClassNotFoundException and NoClassDefFoundError occur when a particular…

Java

Editor

Difference between JDK JRE and JVM ?

July 14, 2021

1 Min Read

0 21

July 14, 2021

1 Min Read

0 21

Answer : Java Development Kit is the core component…

Java

Editor

Java program to find second largest number in an array ?

July 14, 2021

1 Min Read

0 3

July 14, 2021

1 Min Read

0 3

Answer : Given an array of integers, our task is to write a program…

Java

Editor

Java Program to reverse a Linked List ?

July 14, 2021

2 Min Read

0 14

July 14, 2021

2 Min Read

0 14

Answer : A Linked list contains two things data and the address of the node each node….

Java

Editor

Why do we need garbage collection ?

July 14, 2021

2 Min Read

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July 14, 2021

2 Min Read

0 13

Answer : Java garbage collection is the method by which Java programs ….

Java

Editor

Find number of occurrence of each of the unique characters in a string ?

July 14, 2021

1 Min Read

0 3

July 14, 2021

1 Min Read

0 3

Answer : In this program an approach using Hashmap….

Java

Editor

How to optimally divide an array into two subarrays so that sum of elements in both are same ?

July 14, 2021

2 Min Read

0 12

July 14, 2021

2 Min Read

0 12

Answer : Given an array of integers greater than zero…

Java

Editor

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UnitedHealth Group interview questions and answers

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