CCIE SP Written v4.1

Here you have the best Cisco 400-201 practice exam questions

You have 398 total questions to study from
Each page has 5 questions, making a total of 80 pages
You can navigate through the pages using the buttons at the bottom
This questions were last updated on February 5, 2026
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Question 1 of 398

Which Cisco IOS XR Virtualization technology provides full isolation between virtualized routing instances for extra control plane resources?

A.

DRP

B.

SDR

C.

SVR

D.

HVR

Suggested Answer: B

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Question 2 of 398

Which are the three characteristics of SDR? (Choose three.)

A.

The logical router has dedicated route processor.

B.

Owner SDR can be reloaded without affecting all non-SDRs.

C.

The fabric and system controller module are shared by all logical routers.

D.

The logical router can share line cards.

E.

The logical router can span across chassis.

F.

Each logical router has a distinct fabric and system controller module.

Suggested Answer: A, C, E

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Question 3 of 398

Which are the two advantages of Cisco IOS XR Software over Cisco IOS Software? (Choose two.)

A.

a monolithic OS

B.

a configuration that is grouped by interface

C.

one-stage configuration

D.

a two-stage configuration

E.

a configuration that is grouped by process

Suggested Answer: D, E

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Question 4 of 398

On Cisco IOS XR platform, why would an engineer use the load rollback command instead of the rollback command?

A.

to revert commits with IDs 100000005 10000007 simultaneously.

B.

to revert a change even after a subsequent change is made.

C.

to revert changes to RLP objects.

D.

to revert changes to admin mode configuration.

Suggested Answer: A

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Question 5 of 398

Which are the three key design requirements for mobile IP backhaul? (Choose three.)

A.

MPLS-enabled interface

B.

network timing distribution and recovery

C.

mandatory Layer 3 access up to a cell site

D.

X2 interface turning point

E.

native IPv6 support

F.

bandwidth

Suggested Answer: B, C, E

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