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Google Cybersecurity Professional Certificate • STUDY MODE

SECURE NETWORKS AGAINST DENIAL OF SERVICE (DOS) ATTACKS

QUESTION 1 OF 6

What type of attack uses multiple devices or servers in different locations to flood the target network with unwanted traffic?

A
Phishing attack
B
Distributed Denial of Service (DDoS) attackCorrect Answer
C
Denial of Service (DoS) attack
D
Tailgating attack
Explanation:

A DDoS attack uses multiple devices or servers in different locations to flood the target network with unwanted traffic.

QUESTION 2 OF 6

What type of attack poses as a TCP connection and floods a server with packets simulating the first step of the TCP handshake?

A
SYN flood attackCorrect Answer
B
On-path attack
C
SYN-ACK flood attack
D
ICMP flood
Explanation:

A SYN flood attack poses as a TCP connection and floods a server with packets simulating the first step of the TCP handshake. This overwhelms the server, making it unable to function.

QUESTION 3 OF 6

Fill in the blank: The Denial of Service (DoS) attack _____ is caused when a hacker sends a system an ICMP packet that is bigger than 64KB.

A
ICMP flood
B
On-path
C
SYN flood
D
Ping of DeathCorrect Answer
Explanation:

The DoS attack Ping of Death is caused when a hacker sends a system an ICMP packet that is bigger than 64KB.

QUESTION 4 OF 6

Which types of attacks take advantage of communication protocols by sending an overwhelming number of requests to a server? Select all that apply.

A
ICMP flood attackCorrect Answer
B
TCP connection attack
C
SYN flood attackCorrect Answer
D
Tailgating attack
Explanation:

ICMP flood and SYN flood attacks take advantage of communication protocols by sending an overwhelming number of requests to a server.

QUESTION 5 OF 6

Which of the following are common network attacks? Select all that apply.

A
MalwareCorrect Answer
B
Packet floodingCorrect Answer
C
SpoofingCorrect Answer
D
Proxy servers
Explanation:

Spoofing, packet flooding, and malware are all common network attacks.

QUESTION 6 OF 6

Fill in the blank: A _____ attack happens when an attacker sends a device or system oversized ICMP packets that are bigger than 64KB.

A
Ping of deathCorrect Answer
B
Internet Control Message Protocol (ICMP) Flood
C
Distributed denial of service (DDoS)
D
SYN (synchronize) flood
Explanation:

A ping of death attack is a type of DOS attack caused when a hacker pings a system by sending it an oversized ICMP packet that is bigger than 64KB.

Ready to test your recall?

What type of attack uses multiple devices or servers in different locations to flood the target network with unwanted traffic?

A
Phishing attack
B
Distributed Denial of Service (DDoS) attack
C
Denial of Service (DoS) attack
D
Tailgating attack

How confident are you in this answer?