nerdexam
Juniper

JN0-691 · Question #87

Which three statements are true about performing an ISSU on a Junos device? (Choose three.)

The correct answer is A. Every PFE on each FPC downloads the new software from the backup RE. B. ksyncd synchronizes the kernel on the backup RE with the master RE. D. The master RE verifies disk space on both REs, unsupported configurations, and unsupported. See the full explanation below for the reasoning.

Question

Which three statements are true about performing an ISSU on a Junos device? (Choose three.)

Options

  • AEvery PFE on each FPC downloads the new software from the backup RE.
  • Bksyncd synchronizes the kernel on the backup RE with the master RE.
  • CThe backup RE verifies disk space on both REs, unsupported configurations, and unsupported
  • DThe master RE verifies disk space on both REs, unsupported configurations, and unsupported
  • EAny unsupported PICs will cause the ISSU process to fail with "Error: incompatible hardware

How the community answered

(45 responses)
  • A
    71% (32)
  • C
    18% (8)
  • E
    11% (5)

Community Discussion

No community discussion yet for this question.

Full JN0-691 Practice