A network engineer is evaluating platforms for a small enterprise customer that needs a low-cost, fixed-configuration router with basic routing and VPN features. The customer does not require modular software or high availability. Which operating system is most appropriate?

IOS XR, because it is the most secure operating system.

Any of the above, because all Cisco operating systems are interchangeable.

IOS XE, because it is the only operating system that supports VPN.

Classic IOS, because it is lightweight and well-suited for small fixed-configuration routers.

A service provider is migrating from classic IOS to IOS XE on its edge routers. The team wants to take advantage of the ability to restart a single process without reloading the router. Which feature of IOS XE enables this capability?

The use of a single process for all routing protocols to reduce overhead.

The Linux-based operating system that runs each feature as a separate process.

The monolithic kernel that runs all processes in a single memory space.

The microkernel architecture that isolates the data plane from the control plane.

A service provider is upgrading its core network. The new core routers must support in-service software upgrades (ISSU) and nonstop forwarding (NSF). The team is considering two options: (A) deploy IOS XR on new hardware, or (B) continue using classic IOS on existing hardware. The budget is limited, but downtime during upgrades is very costly. Which option is more appropriate?

Option A, because IOS XR supports ISSU and NSF, reducing downtime during upgrades.

Either option, because both support ISSU and NSF.

Option B, because classic IOS is more stable and has fewer bugs.

Option B, because classic IOS is cheaper and can be upgraded without downtime using ISSU.

A service provider is migrating from classic IOS to a modern operating system. The network includes a mix of edge routers and core routers. The team wants to minimize the learning curve for engineers while also improving high availability. Which migration path is most appropriate?

Migrate edge routers to IOS XE and core routers to IOS XR

Keep classic IOS on edge routers and migrate core to IOS XR

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Domain 1Objective 2

1.2 Describe Cisco Network Software Architecture 350-501 Practice Questions (Page 1)

Part of the Architecture domain, which accounts for 15% of the 350-501 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~8–12 in this domain), expect 1–2 from this objective — we provide 33 practice questions to prepare you well beyond it. (estimate)

33questions here

7free pages

4concepts

15%of the exam

Questions 1–5

1application · medium
A network engineer is evaluating platforms for a small enterprise customer that needs a low-cost, fixed-configuration router with basic routing and VPN features. The customer does not require modular software or high availability. Which operating system is most appropriate?
Select an answer first
2application · medium
A service provider is migrating from classic IOS to IOS XE on its edge routers. The team wants to take advantage of the ability to restart a single process without reloading the router. Which feature of IOS XE enables this capability?
Select an answer first
3expert · hard
A service provider is upgrading its core network. The new core routers must support in-service software upgrades (ISSU) and nonstop forwarding (NSF). The team is considering two options: (A) deploy IOS XR on new hardware, or (B) continue using classic IOS on existing hardware. The budget is limited, but downtime during upgrades is very costly. Which option is more appropriate?
Select an answer first
4expert · hard
A service provider is migrating from classic IOS to a modern operating system. The network includes a mix of edge routers and core routers. The team wants to minimize the learning curve for engineers while also improving high availability. Which migration path is most appropriate?
Select an answer first
5application · medium
A network engineer is troubleshooting a router running Cisco IOS XE. The router has multiple processes, and one process is consuming excessive CPU. The engineer wants to identify which process is causing the issue. Which command would provide this information?
Select an answer first

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1.2 Describe Cisco Network Software Architecture 350-501 Practice Questions (Page 1)

Questions 1–5

A network engineer is evaluating platforms for a small enterprise customer that needs a low-cost, fixed-configuration router with basic routing and VPN features. The customer does not require modular software or high availability. Which operating system is most appropriate?

A service provider is migrating from classic IOS to IOS XE on its edge routers. The team wants to take advantage of the ability to restart a single process without reloading the router. Which feature of IOS XE enables this capability?

A service provider is migrating from classic IOS to a modern operating system. The network includes a mix of edge routers and core routers. The team wants to minimize the learning curve for engineers while also improving high availability. Which migration path is most appropriate?

A network engineer is troubleshooting a router running Cisco IOS XE. The router has multiple processes, and one process is consuming excessive CPU. The engineer wants to identify which process is causing the issue. Which command would provide this information?

Keep studying — Architecture