Jack Is Troubleshooting a Linux System That Cannot Open Web

question 50

Multiple Choice

Jack is troubleshooting a Linux system that cannot open Web pages from the Internet. He has verified the configuration using ifconfig. He has also checked that the hosts can be pinged on the Internet using IP addresses. Which of the following could be the most likely cause of the problem?

• A)The system is configured with an incorrect default gateway.
• B)The system is configured with an incorrect subnet mask.
• C)A firewall on the network is blocking ICMP traffic.
• D)The DNS server is down.

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Definitions:

Decision

The choice made between two or more alternatives, often in a business or strategic context, that affects the course of action.

Relevant

Pertaining to information or factors that are applicable and significant to a specific decision or situation.

Alternatives

Different options or strategies considered in decision-making processes or problem-solving situations.

Sunk Costs

Costs that have already been incurred and cannot be recovered, and therefore should not factor into future decisions.