Which two statements characterize DoS attacks? (Choose two.)
- Examples include smurf attacks and ping of death attacks.
- They attempt to compromise the availability of a network, host, or application
- They are difficult to conduct and are initiated only by very skilled attackers.
- They are commonly launched with a tool called L0phtCrack.
- They always precede access attacks.
Explanation: DoS attacks can be launched using free software downloaded from the Internet. The software is designed to consume resources in order to disrupt network operations for legitimate network users and network devices. The L0phtCrack or LC5 application is used to perform a brute-force attack to obtain a Windows server password.
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