CPAS CPAS Network & Connectivity 3

Question 1

What technology allows radiologists to securely access the hospital PACS from a remote location or home office over the internet?

Accepted Answer

VPN (Virtual Private Network)

Answer

Plain FTP file transfer

Answer

Telnet terminal session

Answer

Unencrypted HTTP connection

Question 2

What does TLS/SSL encryption protect during DICOM image transmission over a hospital or external network?

Accepted Answer

Data in transit from eavesdropping and tampering

Answer

Image resolution and pixel quality

Answer

Archive storage space allocation

Answer

PACS software license compliance

Question 3

In hospital network security, what is the purpose of placing PACS servers in a DMZ (Demilitarized Zone)?

Accepted Answer

To create a controlled network buffer that limits direct internet exposure to internal PACS resources

Answer

To improve image rendering speed on workstations

Answer

To store archived images in an offline location

Answer

To manage radiology department print queues

Question 4

Which authentication approach provides the highest security for PACS workstation login in a US healthcare environment?

Accepted Answer

Multi-factor authentication (MFA) combining a password with a second verification factor

Answer

Shared group username and password posted near the workstation

Answer

Password-only single-factor authentication

Answer

No login requirement on the internal hospital network

Question 5

What is a 'zero-day vulnerability' in the context of PACS cybersecurity?

Accepted Answer

A security flaw that is actively exploited before the vendor has released a patch

Answer

A newly deployed system with no configuration applied

Answer

A PACS system achieving zero minutes of unplanned downtime

Answer

A network connection with zero measured latency

Question 6

What PACS access control principle restricts each user account to only the permissions needed for their specific clinical or administrative role?

Accepted Answer

Principle of Least Privilege

Answer

Full administrative access granted to all staff by default

Answer

Shared administrator credentials for IT convenience

Answer

Open network access policy across all departments