Are you studying for the Security+ certification?

Skillset can help you prepare! Sign up for your free Skillset account and take the first steps towards your certification.

Upgrade Account

You are configuring networking parameters on a Linux server which is going to be used as a mail server that handles messaging services for skillset.com. For security reasons you are asked to place the server in De-militarized Zone (DMZ). The given IP address is 221.194.213.X and Variable Length Subnetmask (VLSM) is /25. Using the given netmask, what is the network address?

221.194.213.128/25

221.194.213.255

221.194.213.127

255.255.255.128

221.194.213.0

255.255.255.128/255

221.194.213.129

Explanation

M3-T01-Secure Network Topologies

Video Training

Train with Skillset and pass your certification exam. Faster. Guaranteed.

Directory

Skillset helps you pass your certification exam.

Contributions and Interactions
Practice Questions

Study thousands of practice questions that organized by skills and ranked by difficulty.

Contributions and Interactions
Personalized Training

Create a tailored training plan based on the knowledge you already possess.

Training Video Selector
Exam Readiness

Know when you’re ready for the high-stakes exam. Have the confidence that you will pass on your first attempt.

Get A Free Skillset Account