You work as a Network Security Analyzer. You got a suspicious email while working on a forensic
project. Now, you want to know the IP address of the sender so that you can analyze various
information such as the actual location, domain information, operating system being used, contact
information, etc. of the email sender with the help of various tools and resources. You also want to
check whether this email is fake or real. You know that analysis of email headers is a good starting
point in such cases. The email header of the suspicious email is given below:

What is the IP address of the sender of this email?

Which of the following is a worldwide organization that aims to establish, refine, and promote
Internet security standards?

Which of the following statements are TRUE about Demilitarized zone (DMZ)? Each correct
answer represents a complete solution. Choose all that apply.

Which of the following network scanning tools is a TCP/UDP port scanner that works as a ping
sweeper and hostname resolver?

Which of the following is a network layer protocol used to obtain an IP address for a given
hardware (MAC) address?

CORRECT TEXT
Fill in the blank with the appropriate term.
A ______________ is a term in computer terminology used for a trap that is set to detect, deflect,
or in some manner counteract attempts at unauthorized use of information systems.

CORRECT TEXT

Fill in the blank with the appropriate term.
A ______________ gateway is a type of network gateway that provides the added capability to
control devices across the Internet.

What is the range for registered ports?

Which of the following is a network maintenance protocol of the TCP/IP protocol suite that is
responsible for the resolution of IP addresses to media access control (MAC) addresses of a
network interface card (NIC)?

How many layers are present in the TCP/IP model?