Network Systems & Connectivity Flashcards

A hospital wants lab results from its LIS to flow automatically into the EHR using the most widely adopted legacy messaging standard. Which standard should the administrator expect the interface to use?

Answer: HL7 v2

HL7 version 2 is the dominant messaging standard for exchanging clinical data such as lab results between hospital systems.

Which network component lets multiple clinical systems that use different message formats talk to each other by translating and routing messages?

Answer: Interface engine

An interface engine receives, transforms, and routes messages between disparate healthcare applications.

A rural clinic's telehealth video visits keep freezing even though bandwidth is adequate. Which network factor is MOST likely the cause?

Answer: High jitter and latency

Real-time video is sensitive to jitter and latency, which cause freezing even when raw bandwidth is sufficient.

Under the HIPAA Security Rule, encryption of ePHI transmitted over an open network is classified as what type of implementation specification?

Answer: Addressable

Transmission encryption is addressable, meaning the entity must implement it or document a reasonable equivalent alternative.

Which network design connects a hospital's main campus with its remote outpatient clinics across a city?

Answer: Wide area network (WAN)

A WAN links geographically separated sites such as a main campus and remote clinics.

To protect the EHR network from an infected guest Wi-Fi device, what is the BEST network practice?

Answer: Segment guest Wi-Fi onto a separate VLAN isolated from clinical systems

Network segmentation isolates untrusted guest traffic from systems containing ePHI.

An administrator needs a modern, web-based API standard for sharing discrete patient data with mobile apps as encouraged by the 21st Century Cures Act. Which standard fits best?

Answer: HL7 FHIR

FHIR uses RESTful APIs and is the standard required for patient-access APIs under ONC Cures Act rules.