A company has one public IP address, and only one device needs to be able to connect to the Internet at a time. Which of the following is the BEST option for connectivity?

The correct answer is C. NAT. NAT (Network Address Translation) translates a private internal IP address to the single public IP address for outbound Internet traffic - a one-to-one mapping suitable when only one device connects at a time. PAT (D) - Port Address Translation, also called NAT Overload - maps…

Networking concepts

Question

Options

AVLSM
BCIDR
CNAT
DPAT

How the community answered

(47 responses)

A
4% (2)
B
9% (4)
C
85% (40)
D
2% (1)

Explanation

NAT (Network Address Translation) translates a private internal IP address to the single public IP address for outbound Internet traffic - a one-to-one mapping suitable when only one device connects at a time. PAT (D) - Port Address Translation, also called NAT Overload - maps many private IPs to a single public IP by differentiating sessions using port numbers. PAT is the correct choice when multiple devices must share one public IP simultaneously. Since the scenario specifies only one device at a time, basic NAT is the most precise and simplest fit. VLSM (A) and CIDR (B) are IP subnetting techniques, not connectivity solutions.

Topics

#NAT#public IP#address translation#internet connectivity

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