JNCIS-ENT: Juniper Networks Certified Specialist – Enterprise Routing and Switching (2023) — Question 3

You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members.
By default, what is the expected behavior?

Answer options

• A. The new switch is not recognized by the Virtual Chassis.
• B. The Virtual Chassis will transition into a split brain situation between the existing master Routing Engine and the switch running the different version.
• C. The new switch will be assigned a member ID and then placed in an inactive state.
• D. The new switch will automatically pull the correct version from the master Routing Engine and perform the necessary upgrade.

Correct answer: D

Explanation

The correct answer is D because when a new EX4300 switch with a different Junos version is added, it will automatically retrieve the appropriate version from the master Routing Engine and upgrade itself. Options A, B, and C are incorrect as they imply that the new switch would not be integrated or would remain inactive, which is not the default behavior in this scenario.