Languages-Assembly Language [3i Infotech Placement]: Sample Questions 19 - 20 of 51

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Question 19

Assembly Language
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Describe in Detail

Essay▾

Why is a gateway used

Explanation

Define Use of Gateway
  • Gateway is a computer between two networks.
  • For example router that connects a home or enterprise network to the internet.
  • Gateway provides communication to a remote network or an autonomous system not directly accessible to host network nodes.
  • Serves as entry and exit point of a network- inward or outward data must first pass through with the gateway.

Question 20

Assembly Language

Question

MCQ▾

To send a data packet using datagram, connection will be established

Choices

Choice (4)

a.

connection is not established before data transmission.

b.

before data transmission.

c.

no connection is required.

d.

All of the above

Answer

c.

Explanation

  • To send a data packet using datagram no connection is required.
  • User datagram protocol allows an application to send data packet with a low overhead in some important standards.
  • Datagram sends and receives data packets like TCP without any connection
  • Datagram is routed and send individually with no guarantee of delivery.
  • To send and receive datagrams an appropriate socket is required - for example an instance of the java. net. DatagramSocket class.

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