Networking and Cybersecurity Quiz

In the TCP three-way handshake, what is the correct order of messages exchanged?

• FIN → ACK → SYN

• SYN → SYN-ACK → ACK

• ACK → SYN-ACK → SYN

• SYN-ACK → SYN → ACK

Which of the following is NOT a valid IPv6 address format?

• 2001:db8::ff00:42:8329

• fe80::1

• 192.168.1.256

• 2001:0db8:85a3:0000:0000:8a2e:0370:7334

What is the default subnet mask for a Class B IPv4 network?

• 255.255.255.0

• 255.0.0.0

• 255.255.0.0

• 255.255.255.255

In an IPv6 address, what does the :: notation represent?

• Loopback address

• Default gateway

• A compressed sequence of consecutive zeroes

• An invalid address

What type of cyber attack can exploit vulnerabilities in the Domain Name System (DNS)?

• ARP Spoofing

• DNS Cache Poisoning

• SQL Injection

• ICMP Flood

What is the primary difference between TCP and UDP?

• TCP is connectionless, UDP is connection-oriented

• UDP provides error-checking, TCP does not

• TCP guarantees delivery of packets, UDP does not

• TCP is faster than UDP

What is the purpose of an "ICMP Redirect" message?

• To notify a host of a better route to a destination

• To initiate a DoS attack

• To block unauthorized access

• To establish a new TCP connection

In cybersecurity, what does an "APT" (Advanced Persistent Threat) refer to?

• A short-lived cyber attack

• A sophisticated, long-term cyber attack targeting specific entities

• A denial-of-service (DoS) tool

• A method for encrypting network traffic

Which of the following IPv6 address types is used for one-to-many communication?

• Unicast

• Multicast

• Anycast

• Broadcast

Which of the following is a characteristic of a SYN flood attack?

• It encrypts data and demands a ransom

• It sends multiple SYN requests without completing the handshake

• It redirects traffic to a malicious website

• It injects malicious scripts into web pages