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Question 62 - JN0-280 discussion

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Which statement about switches is correct?

A.

Each port is a member of VLAN 2 by default.

Answers
A.

Each port is a member of VLAN 2 by default.

B.

Every port is in a unique collision domain.

Answers
B.

Every port is in a unique collision domain.

C.

Each port is in a unique broadcast domain by default.

Answers
C.

Each port is in a unique broadcast domain by default.

D.

All ports reside in the same collision domain.

Answers
D.

All ports reside in the same collision domain.

Suggested answer: B

Explanation:

Each port on a modern switch creates a separate collision domain. This allows multiple devices to communicate simultaneously without collisions on different ports.

Step-by-Step Breakdown:

Collision Domain:

A collision domain is a network segment where data packets can collide if two devices send packets simultaneously.

On a switch, each port creates a separate collision domain, so collisions only occur if two devices connected to the same port (through a hub, for instance) try to send data at the same time.

Switches vs Hubs:

Unlike hubs, which have one large collision domain, switches isolate collisions to individual ports, improving performance.

Juniper

Reference:

Switch Port Behavior: In Juniper switches, each port operates in its own collision domain, enhancing network efficiency by reducing the chances of packet collisions.

asked 10/10/2024
Jyoti Gupta
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