2.6 Embedded and Specialized Systems Flashcards

1
Q

Hardware and software designed for a specific function.

A

Embedded system

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2
Q

This small form-factor system involves mutliple components running on the same chip. Common with embedded systems.

A

System on a chip (SoC)

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3
Q

An integrated circuit that can be configured after manufacturing. Common in infrastructure, firewalls, and routers.

A

Field-programmable gate array (FPGA)

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4
Q

Large-scale systems often used in power generation, refining, manufacturing equipment, etc. Equipment is managed autonomously via computers.

A

Supervisory control and data acquisition system (SCADA)

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5
Q

What do all of the following devices have in common?

  • Video Doorbell
  • Your car’s entertainment system
  • An enterprise HVAC system
  • Drone
  • Printer
A

They are all embedded systems

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6
Q

What speeds will 5G eventually be rated up to?

A

10 gbps

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7
Q

What kind of information does a SIM card contain that could pose a security risk of compromized?

A

Authentication and contact information

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8
Q

Why do embedded systems pose a unique security concern?

A

They are not full computers

Limited features and upgradability

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9
Q

Embedded system constraint:

Implied Trust

A

Security posture is difficult to verify

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10
Q

Embedded system constraint:

Authentication

A

Security often the afterthought

No MFA or directory services

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11
Q

Embedded system constraint:

Cryptography

A

Limited hardware options, hard to modify crypto features

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12
Q

Embedded system constraint:

Network

A

Wireless may be only option

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13
Q

Embedded system constraint:

Compute

A

Low power CPUs

Limited in speed, cost, and heat

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14
Q

Embedded system constraint:

Power

A

Batteries may need to replaced and maintained

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