Question Discussion & Solution

The correct answer is Another name for the coronavirus that created the epidemic in 2020.

Key Points

• The Ministry of AYUSH has launched the Jan Andolan Campaign on COVID-19.
• This Andolan is regarding “Public Health Response to COVID-19: Campaign for COVID-Appropriate Behaviour” which has been launched by the Prime Minister.
• The three key messages which are being highlighted across it are - “Wear Mask, Follow Physical Distancing, and Maintain Hand Hygiene.

LAN :

• LAN stands for Local Area Network.
• It's a group of computers which belong to the same organisation, and are linked within a small geographic area using a network using the same technology (Ethernet).
• E.g. Wi-Fi

MAN :

• MANs (Metropolitan Area Networks) connect multiple geographically nearby LANs to one another at high speeds.
• A MAN lets two remote nodes communicate as if they were part of the same local area network.
• E.g. microwave antenna on a TV news van, extended high in the air, beaming video and sound back to the main TV studio.

WAN:

• A WAN (Wide Area Network or extended network) connects multiple LANs to one another over great geographic distances.
• WANs operate using routers, which can "choose" the most appropriate path for data to take to reach a network node.
• E.g.: Internet

PAN:

• A personal area network (PAN) is a network used for data transmission amongst devices such as computers, telephones, tablets, personal digital assistants, fax machines and printers, that are located close to a single user

E.g. Bluetooth

Concept:

Classes in java are the collection of objects which has some similar properties. A class in java contains fields, methods, constructors, blocks, interfaces.

Explanation:

Everything is associated with classes and objects. An object is an instance of the class which has some state and behavior.

An object class(java.lang.object) is the parent class of all the java classes.  It can be used when we do not know about the type of the object. By having the object as the super class , without knowing the type we can pass around objects using the object declaration.

The pattern followed here is:

In every alternative, the numbers at the 2^nd and the 3^rd position are exactly divisible by the number at the 1^st position, while in (8, 801, 624), 801 is not exactly divisible by 8.