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JN0-102 · Question #149

What is an advantage of multiple software processes running in the Junos OS?

The correct answer is A. Each process has its own protected memory space.. An advantage of multiple software processes in Junos OS is that each process operates within its own protected memory space. This isolation enhances system stability by preventing one process from corrupting another.

Junos OS Fundamentals

Question

What is an advantage of multiple software processes running in the Junos OS?

Options

  • AEach process has its own protected memory space.
  • BEach process is started manually by the user at boot.
  • CAll processes are dependent on each other.
  • DMultiple processes allow each routing protocol to be independent.

How the community answered

(33 responses)
  • A
    88% (29)
  • B
    3% (1)
  • C
    6% (2)
  • D
    3% (1)

Why each option

An advantage of multiple software processes in Junos OS is that each process operates within its own protected memory space. This isolation enhances system stability by preventing one process from corrupting another.

AEach process has its own protected memory space.Correct

Junos OS uses a protected memory architecture where each software process runs in its own memory space, isolated from other processes. This design prevents a fault in one process from crashing the entire system or affecting other processes, thus enhancing system stability and reliability.

BEach process is started manually by the user at boot.

Junos OS processes are typically started automatically by the system at boot time, not manually by the user, as part of the operating system's initialization.

CAll processes are dependent on each other.
DMultiple processes allow each routing protocol to be independent.

Concept tested: Junos OS process architecture memory protection

Source: https://www.juniper.net/documentation/us/en/software/junos/junos-basics/topics/topic-map/junos-os-software-overview.html

Topics

#Junos OS architecture#process isolation#fault tolerance

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