Free Cisco 350-501 Exam Practice Questions & Explanations

Last updated on: Oct 12, 2026
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Question 1

A network engineer must implement SNMPv2 with these parameters

Enable SNMP community string C1sc0 with read-only permissions.

Enable interface index persistence.

Restrict the SNMP community to only the monitoring server with IP address 198.18 19 100/32.

Provide view-only access to ospflfEntry and ospfNbrEntry.

Which configuration must the engineer apply?

Answer Options
Correct Answer: D
Explanation

SNMP Community String: Enable SNMP community stringC1sc0with read-only permissions.

Interface Index Persistence: Enable interface index persistence.

Restrict SNMP Community: Restrict the SNMP community to only the monitoring server with IP address198.18.19.100/32.

View-Only Access: Provide view-only access toospflfEntryandospfNbrEntry.

Question 3

How can a network administrator secure rest APIs?

Answer Options
Correct Answer: D
Explanation

To secure REST APIs, a network administrator should ensure that user sessions are authenticated and that the appropriate privilege level is provided for each user. This means that each API request should come with authentication credentials, and the server should validate these credentials for every request. This approach helps to maintain the stateless nature of REST APIs and ensures that only authorized users can access or modify resources.Reference: Best practices for securing REST APIs include using HTTPS, token-based authentication, and proper validation of input parameters to prevent common security vulnerabilities.

Question 4

Which two tasks must an engineer perform when implementing LDP NSF on the network? (Choose two.)

Answer Options
Correct Answer: C, D
Explanation

When implementing LDP NSF (Nonstop Forwarding) on the network, an engineer must perform the following tasks:

Implement direct connections for LDP peers: This ensures that LDP sessions can be reestablished quickly after a switchover.

Enable NSF for the link-state routing protocol in use on the network: This allows the routing protocol to maintain its state during a switchover, ensuring seamless operation.

For example, if OSPF is the link-state routing protocol, enabling NSF for OSPF ensures that OSPF adjacencies are maintained during a switchover

Question 5

How does an untrusted interface at the boundary of an administrative domain handle incoming packets?

Answer Options
Correct Answer: A