Q. What is the recommended secure replacement for Telnet when seeking to gain command-line access to a remote system?

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Q. Which of the following provides a secure method to transfer files between systems?

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Q. Why do vulnerability scans alert on the presence of debug modes on scanned servers?

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Q. What is the recommended approach for software development in mature organizations regarding debug modes?

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Q. What may vulnerability scans detect in network devices that require updates from the manufacturer?

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Q. Which protocol offers a secure means to exchange information over the Internet and private networks?

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Q. Why should SSL no longer be used on production systems?

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Q. What is the recommended action for administrators of servers supporting outdated versions of SSL and TLS?

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Q. What do SSL and TLS protocols describe in terms of cryptographic ciphers?

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Q. Why is the RC4 cipher considered insecure?

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Q. What is a serious error related to digital certificates?

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Q. Why is the expiration of a digital certificate a significant issue?

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Q. What is the primary function of the Domain Name System (DNS)?

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Q. Why are DNS servers a common target for attackers and penetration testers?

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Q. What is a DNS amplification attack?

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Q. What can happen if a server leaks its private IP address to remote systems?

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Q. Why is it important for administrators to ensure that VPN services are fully patched?

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Q. What is the primary role of a hypervisor in a virtualized data center?

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Q. What is a virtual machine escape vulnerability in a virtualized environment?

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Q. What is the purpose of the hypervisor in tricking virtual machines in a virtualized environment?

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