Both __________ Produce Output That Is Independent of Both the Plaintext

question 20

Multiple Choice

Both __________ produce output that is independent of both the plaintext and the ciphertext.This makes them natural candidates for stream ciphers that encrypt plaintext by XOR one full block at a time.

• A)CBC and ECB
• B)OFB and CTR
• C)ECB and OFB
• D)CTR and CBC

---

Definitions:

Technology Improvement

Enhancements in technology that lead to more efficient production processes, higher quality products, or new products and services.

Per-worker Production

A measure of productivity calculated by dividing the total output by the number of workers.

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs and production technology.

Economic Growth

An increase in the production of goods and services in an economy over a period of time, often measured by GDP.