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 does not support VPN connections

Answer

The users' session timeout is set too low

Answer

Salesforce requires port 8080 for VPN users

Question 2

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

Accepted Answer

A

Answer

CNAME

Answer

MX

Answer

PTR

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

Disable the forward proxy entirely

Answer

Switch all callouts from HTTPS to HTTP

Answer

Configure Salesforce to route traffic through port 25

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

It encrypts data before it reaches Salesforce

Answer

It replaces the need for OAuth authentication

Answer

It caches Salesforce session tokens locally

Question 5

Which protocol does Salesforce primarily use for REST API communications?

Accepted Answer

HTTPS over port 443

Answer

FTP over port 21

Answer

HTTP over port 80

Answer

SMTP over port 587

Question 6

An organization's firewall must be updated to allow Salesforce outbound email delivery. Which port range should be opened?

Accepted Answer

Port 25 or 587 for SMTP

Answer

Port 443 for HTTPS

Answer

Port 3306 for MySQL

Answer

Port 1433 for SQL Server

Question 7

What does TTL (Time to Live) control in a DNS record?

Accepted Answer

How long a DNS response is cached before being refreshed

Answer

The maximum number of hops a packet can take

Answer

The timeout for a Salesforce session

Answer

The expiration date of an SSL certificate