>_COMMAND ZERO
CertificationsPricing
LearnCISSPCommunication and Network Security
medium
Single Answer
0

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

Answer Options

A

255.0.0.0

B

255.255.0.0

C

255.254.0.0

D

255.255.255.0

Correct Answer: B

Explanation

A Class B network holds 2^16 systems, and its default network mask is 255.255.0.0.

Related Questions

  • Myrsini wants to deploy 4G LTE as an out-of-band management solution for devices...

    medium
    Communication and Network Security
  • Evaggelia is a security specialist for an online service provider in the United...

    medium
    Security and Risk Management
  • Alekos is designing layered network security for his organization. If the VPN gr...

    easy
    Communication and Network Security
  • Mikaela is investigating a security incident and discovers that an attacker bega...

    medium
    Security and Risk Management
  • Denis is a consultant who helps organizations create and develop mature software...

    medium
    Software Development Security
  • Denis is an information security professional at an organization that is replaci...

    medium
    Communication and Network Security
>_COMMAND ZERO

Free cybersecurity certification training platform.

Master Security+, CISSP, and more.

Product

  • Certifications
  • Pricing
  • Dashboard

Company

  • About
  • Privacy Policy
  • Terms of Service

Resources

  • Security+
  • CISSP

© 2026 Command Zero. All rights reserved.

Built with Next.js, Supabase, and Clerk