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Network Layer and Internet Protocol Quiz

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Questions and Answers

What is the main function of the Network layer in the Internet?

The main function of the Network layer in the Internet is to deliver given packets to the destination.

What are the delivery options provided by the Network layer service model?

The delivery options provided by the Network layer service model include guaranteed delivery, bounded delay, guaranteed minimum bandwidth, in order delivery, and duplicate suppression.

What is the significance of the Time to Live field in the Internet Protocol IP Packet Format?

The Time to Live field indicates the maximum time the datagram is allowed to remain in the internet system. If this field contains the value zero, then the datagram must be destroyed.

What is the Datagram Delivery Model in the context of the Network layer?

<p>The Datagram Delivery Model involves no connection setup and provides best effort service, making the best effort to deliver the packets despite the possibility of packets getting lost, corrupted, reordered, misdelivered, duplicated, or delayed.</p>

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What is the concept of heterogeneity in the context of the Internet network?

<p>Heterogeneity refers to the networks differing in terms of addressing conventions, bandwidth, latency, loss rate, and packet sizes, creating a diverse environment for communication among millions of hosts using different technologies.</p>

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Flashcards

Network Layer Function

The primary role is to ensure packets reach their intended destination.

Network Layer Service Options

Includes guaranteed delivery, bounded delay, bandwidth guarantees, in-order delivery, and duplicate suppression.

Time to Live (TTL) Field

It represents the maximum duration a datagram can exist in the network; expiring packets are discarded.

Datagram Delivery Model

A connectionless model where delivery is attempted with no guarantees of success.

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Internet Heterogeneity

Networks vary greatly in addressing, bandwidth, latency, loss rate, and packet sizes.