SP Network Fundamentals 3

Question 1

A company wants to restrict Salesforce login to office IP addresses only. Which Salesforce feature supports this requirement?

Accepted Answer

Trusted IP Ranges on the Network Access settings page

Answer

Salesforce's Trusted IP Ranges feature under Network Access restricts login to specified IP address ranges.

Question 2

Which OSI layer is responsible for end-to-end error detection and flow control between hosts?

Accepted Answer

Transport Layer (Layer 4)

Answer

The Transport Layer (Layer 4) handles end-to-end communication, flow control, and error detection using protocols like TCP.

Question 3

What is the subnet mask for a /24 CIDR block?

Accepted Answer

255.255.255.0

Answer

A /24 CIDR block corresponds to the subnet mask 255.255.255.0, providing 256 addresses.

Question 4

When Salesforce sends outbound callouts to external systems, which IP range should be added to the external system's firewall?

Accepted Answer

Salesforce outbound IP addresses published in the Salesforce Help documentation

Answer

External systems must whitelist Salesforce's published outbound IP ranges to accept callouts from Salesforce.

Question 5

Which technology allows multiple virtual networks to share the same physical network infrastructure while remaining isolated?

Accepted Answer

VLAN (Virtual Local Area Network)

Answer

VLANs segment a physical network into multiple isolated logical networks at Layer 2.

SP (Certified Service Provider) Practice Test