Juniper JN0-643 Questions Answers

You are asked to implement MSTP on all devices in your Layer 2 network.
Which three parameters must match on all devices within the same region? (Choose three.)

A. region name
B. hello timer
C. maximum age
D. revision level
E. VLAN mapping table

Answer: ADE


You are asked to implement VSTP on all devices in your Layer 2 network.
Which three statements are correct? (Choose three.)

A. VSTP supports up to 256 different spanning-tree topologies.
B. A BPDU is sent for each spanning-tree instance.
C. Each VLAN will be assigned to a unique spanning-tree instance.
D. MSTP can be used in addition to VSTP to account for VLANs outside of the supported range.
E. VSTP can be used to load-balance Layer 2 traffic using VLANs.

Answer: BCE