350-701 · Question #230
Which attack type attempts to shut down a machine or network so that users are not able to access it?
The correct answer is D. smurf. A Smurf attack is a type of Denial of Service (DoS) attack that floods a target victim with ICMP echo reply packets, making the machine or network inaccessible.
Question
Which attack type attempts to shut down a machine or network so that users are not able to access it?
Options
- AIP spoofing
- Bbluesnarfing
- CMAC spoofing
- Dsmurf
How the community answered
(47 responses)- A2% (1)
- B4% (2)
- C2% (1)
- D91% (43)
Why each option
A Smurf attack is a type of Denial of Service (DoS) attack that floods a target victim with ICMP echo reply packets, making the machine or network inaccessible.
IP spoofing involves forging the source IP address of a packet, often used to hide the attacker's identity or impersonate another system, but it is not an attack type aimed at shutting down services directly.
Bluesnarfing is an attack against Bluetooth-enabled devices, allowing unauthorized access to information, not a method for shutting down an entire network or machine.
MAC spoofing involves changing a network interface's MAC address to bypass access controls or impersonate another device, but it does not directly shut down services.
A Smurf attack is a Distributed Denial of Service (DDoS) attack that uses ICMP echo requests directed at IP broadcast addresses, causing many hosts to reply to a spoofed victim IP address, overwhelming the target.
Concept tested: Denial of Service attack types
Source: https://www.cisco.com/c/en/us/support/docs/security/ios-firewall/17498-smurf.html
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