An Architect Was Recently Hired by a Power Utility to Increase

question 378

Multiple Choice

An architect was recently hired by a power utility to increase the security posture of the company's power generation and distribution sites. Upon review, the architect identifies legacy hardware with highly vulnerable and unsupported software driving critical operations. These systems must exchange data with each other, be highly synchronized, and pull from the Internet time sources. Which of the following architectural decisions would BEST reduce the likelihood of a successful attack without harming operational capability? (Choose two.)

• A) Isolate the systems on their own network
• B) Install a firewall and IDS between systems and the LAN
• C) Employ own stratum-0 and stratum-1 NTP servers
• D) Upgrade the software on critical systems
• E) Configure the systems to use government-hosted NTP servers

---

Definitions:

Monopoly Power

The ability of a single seller to set prices and control the market for a good or service without significant competition.

Peak-Load Pricing

Practice of charging higher prices during peak periods when capacity constraints cause marginal costs to be high.

Two-Part Tariff

Form of pricing in which consumers are charged both an entry and a usage fee.

Bundling

A marketing strategy that involves offering several products or services for sale as one combined product or service package.