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Question 51 - JN0-280 discussion

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Layer 2 interfaces operate in which two modes? (Choose two.)

A.

Access

Answers
A.

Access

B.

Modular

Answers
B.

Modular

C.

Trunk

Answers
C.

Trunk

D.

Tagged

Answers
D.

Tagged

Suggested answer: A, C

Explanation:

Comprehensive Detailed Step by Step Explanation with all Juniper Data Center References

Layer 2 interfaces on a switch operate in two key modes: Access and Trunk.

Step-by-Step Breakdown:

Access Mode:

Access ports are used to connect end devices, like PCs or servers, and they are assigned to a single VLAN. These interfaces handle untagged traffic and do not pass VLAN tags.

Example: A port assigned to VLAN 10 will only handle traffic for that VLAN.

Trunk Mode:

Trunk ports are used to connect switches or other networking devices that need to handle traffic from multiple VLANs. Trunk interfaces carry tagged traffic, allowing multiple VLANs to traverse the same physical link.

Trunk ports typically use 802.1Q VLAN tagging to differentiate between VLANs.

Juniper

Reference:

Access and Trunk Ports: Juniper switches use these modes to manage VLAN traffic at Layer 2, with access ports handling untagged traffic and trunk ports handling tagged traffic from multiple VLANs.

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asked 10/10/2024
Anirban Ganguly
48 questions
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