What are two types of attacks used on DNS open resolvers? (Choose two.)

• amplification and reflection
• resource utilization
• fast flux
• ARP poisoning
• cushioning

Explanation: Three types of attacks used on DNS open resolvers are as follows:DNS cache poisoning – attacker sends spoofed falsified information to redirect users from legitimate sites to malicious sites
DNS amplification and reflection attacks – attacker sends an increased volume of attacks to mask the true source of the attack
DNS resource utilization attacks – a denial of service (DoS) attack that consumes server resources

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