CEHv10

When tuning security alerts, what is the best approach?

Decrease False negatives

Decrease the false positives

Tune to avoid False positives and False Negatives

Rise False positives Rise False Negatives

DNS cache snooping is a process of determining if the specified resource address is present in the DNS cache records. It may be useful during the examination of the network to determine what software update resources are used, thus discovering what software is installed. What command is used to determine if the entry is present in DNS cache?

Nslookup -norecursive update.antivirus.com

Nslookup –fullrecursive update.antivirus.com

Dnssnooping –rt update.antivirus.com

Dns –snoop update.antivirus.com

A hacker has managed to gain access to a Linux host and stolen the password file from /etc/passwd How can he use it?

He can open it and read the user ids and corresponding passwords.

The password file does not contain the passwords themselves.

He cannot read it because it is encrypted

The file reveals the passwords to the root user only.

CEHv10

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