10 free sample questions from a bank of 103, with the correct answers and explanations. No signup required — start practising right now.
1Which definition of a fork in Linux is true?
daemon to execute scheduled commands
parentdirectory name of a file path name
macros for manipulating CPU sets
new process created by a parent process
Answer: D
2Which two terms are types of cross site scripting attacks? (Choose two.)
directed
encoded
stored
reflected
cascaded
Answer:
3Which of the following is a TCP-injection attack?
Forging a TCP packet over an HTTPS session
Replacing legitimate TCP traffic with forged TCP packets
The addition of a forged TCP packet to an existing TCP session
Modifying the TCP/IP in a way that is unexpected by security detection
Answer: C
4What determines the class of an IP address?
the number of bits in the host field
the subnet mask
the most significant bit (MSB) pattern
the third octet
Answer: C
5Which one of the following options is the Class C private IP range?
192.168.0.0 – 192.168.255.255
172.16.0.0 – 172.31.255.255
10.0.0.0 – 10.255.255.255
192.168.1.0 – 192.168.1.255
Answer: A
6A host using an IP address from the private IP range needs to connect to a website on the Internet. What function must be performed in order for the device to connect to the web service?
ACL
NAT
PBR
PfR
Answer: B
7Which tool is commonly used by threat actors on a webpage to take advantage of the software vulnerabilities of a system to spread malware?
exploit kit
root kit
vulnerability kit
script kiddie kit
Answer: A
8Which one of these source ports does a client dynamically use when it connects to a server that is listening on a well-known port?
ephemeral
registered
well-known
first available port on the client system
Answer: A
9How many messages are exchanged in a DHCP transaction?
one
two
three
four
Answer: D
10Which one of the following options describes the protocol and port that is used by DNS?