This set of Cyber Security Multiple Choice Questions & Answers (MCQs) focuses on “Fingerprinting”.
1. ________________ is an ethical hacking technique used for determining what operating system (OS) is running on a remote computer.
a) Footprinting
b) Cyber-printing
c) OS fingerprinting
d) OS penetration testing
View Answer
Explanation: OS fingerprinting is an ethical hacking technique used for determining what operating system (OS) is running on a remote computer.
2. How many types of fingerprinting are there in ethical hacking?
a) 5
b) 4
c) 3
d) 2
View Answer
Explanation: There are two types of fingerprinting in ethical hacking. These are active fingerprinting and passive fingerprinting. Active fingerprinting is gained if you send especially skilled packets to a target machine whereas passive fingerprinting is dependent on sniffer traces from the remote computer.
3. _______________________ is gained if you send especially skilled packets to a target machine.
a) Active fingerprinting
b) Passive fingerprinting
c) OS fingerprinting
d) Network fingerprinting
View Answer
Explanation: Active fingerprinting is gained if you send especially skilled packets to a target machine and then listing down its replies and analyzing the information gathered for determining the target OS.
4. _______________________ is based on sniffer traces from the remote system.
a) Active fingerprinting
b) Passive fingerprinting
c) OS fingerprinting
d) Network fingerprinting
View Answer
Explanation: Passive fingerprinting is dependent on the sniffing traces from any remote system. Depending on the sniffing traces done by tools like Wireshark, attackers can establish and verify the OS of the remote host.
5. How many basic elements are there for OS fingerprinting?
a) 2
b) 3
c) 4
d) 5
View Answer
Explanation: There are four basic elements that an ethical hacker should look at to determine the operating system. These are TTL, Don’t fragment bit, Window Size, and Type of Service (TOS).
6. Which of the following do not comes under the important element of OS fingerprinting?
a) TTL
b) TOS
c) DF bits
d) Firewall
View Answer
Explanation: There are four basic elements that an ethical hacker should look at to determine the operating system. These are TTL (time to Live), Don’t fragment bit, Window Size, and Type of Service (TOS).
7. By analyzing the factors like TTL, DF bits, Window Size and TOS of a packet, an ethical hacker may verify the operating system remotely.
a) True
b) False
View Answer
Explanation: There are four basic elements that an ethical hacker should look at to determine the operating system. By analyzing these elements TTL, DF bits, Window Size and TOS of a packet, an ethical hacker may verify the operating system remotely.
8. ______________ is a common tool used for doing OS fingerprinting.
a) Hping
b) Wireshark
c) Nmap
d) Nessus
View Answer
Explanation: Nmap is a common tool that is used for performing OS fingerprinting. Before targeting any system for the attack, it is necessary to know what OS the website is hosting, which can be found out using some simple command of this tool.
9. To secure your system from such type of attack, you have to hide your system behind any VPN or proxy server.
a) True
b) False
View Answer
Explanation: It is recommended to hide your system from such fingerprinting attack, performed by hackers, with a secure proxy server by using VPN tools. This technique will completely preserve your identity and hence your system.
10. A _____________ is a network scanning practice through which hackers can use to conclude to a point which IP address from a list of IP addresses is mapping to live hosts.
a) ping-based hacking
b) ping sweep
c) ping-range
d) pinging
View Answer
Explanation: A ping sweep is a network scanning practice through which hackers can use to conclude to a point which IP address from a list of IP addresses is mapping to live hosts.
11. Ping sweep is also known as ________________
a) ICMP sweep
b) SNMP sweep
c) SGNP sweep
d) SICMP sweep
View Answer
Explanation: A ping sweep which is also known as ICMP sweep is a network scanning practice through which hackers can use to conclude to a point which IP address from a list of IP addresses is mapping to live hosts.
12. The _____________ command is used on Linux for getting the DNS and host-related information.
a) dnslookup
b) lookup
c) nslookup
d) infolookup
View Answer
Explanation: The ‘nslookup’ command is used on Linux for getting the DNS and host-related information. DNS enumeration is the method used to locate all the DNS-servers and their associated records.
13. ___________________ is the method used to locate all the DNS-servers and their associated records for an organization.
a) DNS enumeration
b) DNS hacking
c) DNS cracking
d) DNS server hacking
View Answer
Explanation: DNS enumeration is the method used to locate all the DNS-servers and their associated records for an organization. ‘nslookup’ command can be used on Linux for getting the DNS and host-related information.
14. Which of the following operations DNSenum cannot perform?
a) Perform reverse lookups
b) Get the host’s addresses
c) Get extra names and sub-domains through Google scraping
d) Get the admin password
View Answer
Explanation: DNSenum is a popular Perl script that can fetch information such as – fetching host address, perform a reverse lookup, get additional name and sub-domain through Google scraping etc.
15. The configuration of DNS needs to be done in a secure way.
a) True
b) False
View Answer
Explanation: Configuration of DNS needs to be done in a secure way, otherwise it is possible that cyber-criminals and hackers may take away lots of sensitive information from the organization.
Sanfoundry Global Education & Learning Series – Cyber Security.
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