A network engineer is explaining the benefits of Junos architecture to a customer. They mention that the separation of control and forwarding planes provides several advantages. Which advantage is a direct result of this separation?

Increased security by isolating management traffic

The ability to use J-Web for management

The ability to continue forwarding traffic even if the control plane fails

The ability to run multiple routing protocols simultaneously

A network engineer is investigating a routing loop issue. They want to view the routing table to understand the current best paths. Which component maintains the routing table?

The routing protocol process (rpd)

A network engineer is designing a high-availability solution for a Junos router. They want to ensure that if the Routing Engine fails, the router can continue to forward traffic. Which feature of Junos architecture supports this requirement?

The ability to configure via NETCONF

The use of multiple routing protocols

The use of a single Routing Engine

The separation of control and forwarding planes

In Junos OS, where do user-space processes such as the routing protocol daemon (rpd) run?

Directly on the Junos kernel in kernel space.

On the flexible PIC concentrator (FPC).

On the Routing Engine (RE) in user space.

On the Packet Forwarding Engine (PFE).

Juniper NetworksCertified Associate, Junos

Domain 2Objective 1

Junos Software Architecture JN0-105 Practice Questions (Page 3)

Part of the Junos OS Fundamentals domain, which makes up ~14% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–8 in this domain), expect 1–2 from this objective — we provide 21 practice questions to prepare you well beyond it. (estimate)

21questions here

5free pages

8concepts

Questions 11–15

11application · medium
A network administrator is using the CLI to configure a Junos device. They issue a command to change the hostname. Which process or component handles this configuration change?
Select an answer first
12application · medium
A network engineer is explaining the benefits of Junos architecture to a customer. They mention that the separation of control and forwarding planes provides several advantages. Which advantage is a direct result of this separation?
Select an answer first
13application · medium
A network engineer is investigating a routing loop issue. They want to view the routing table to understand the current best paths. Which component maintains the routing table?
Select an answer first
14expert · hard
A network engineer is designing a high-availability solution for a Junos router. They want to ensure that if the Routing Engine fails, the router can continue to forward traffic. Which feature of Junos architecture supports this requirement?
Select an answer first
15foundation · easy
In Junos OS, where do user-space processes such as the routing protocol daemon (rpd) run?
Select an answer first

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