SP Network Fundamentals 2

Question 1

A Salesforce admin notices that users on a corporate VPN cannot access Salesforce. What is the most likely cause?

Accepted Answer

The VPN is blocking outbound HTTPS traffic on port 443

Answer

Salesforce requires outbound HTTPS traffic on port 443, and a VPN policy blocking this port will prevent access.

Question 2

Which DNS record type maps a hostname to an IPv4 address?

Accepted Answer

A

Answer

An A record (Address record) maps a hostname directly to an IPv4 address.

Question 3

When configuring Salesforce for an organization that uses a forward proxy, what must be done to allow Salesforce callouts?

Accepted Answer

Add Salesforce IP ranges to the proxy's allowlist

Answer

The forward proxy must be configured to allow traffic to Salesforce IP ranges so callouts can succeed.

Question 4

What is the purpose of a reverse proxy in front of a Salesforce-connected middleware?

Accepted Answer

It hides backend server details and can handle SSL termination

Answer

A reverse proxy sits in front of backend servers to abstract their details and can terminate SSL connections.

Question 5

Which protocol does Salesforce primarily use for REST API communications?

Accepted Answer

HTTPS over port 443

Answer

Salesforce REST API communications are conducted over HTTPS on port 443 for security.

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