monitor network devices security administrators identify attacks progress stop

Which of the following monitor network devices so that security administrators can identify attacks in progress and stop them?

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Want a baseline of your intrusion detection and prevention system knowledge? Test your insights with this IDS/IPS quiz.

Intrusion detection and prevention systems were once mainstays in enterprise network security. Though their capabilities and features are still critical, they are now often rolled into security suites or platforms.

Alongside firewalls, antimalware and a slew of other security mechanisms, IDS and IPS remain key components of the network security puzzle. As with any security investment, informed decisions about why and how to use IDS/IPS must be made before deployment. Otherwise, the products' hefty price tags will drain your resources.

Test your IDS/IPS know-how, and improve your knowledge with this quiz.

This was last published in July 2020

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Which type of device monitors a network hardware so that security administrators can identify attacks in progress and stop them?

An intrusion detection system (IDS) is a device or software application that monitors a network for malicious activity or policy violations. Any malicious activity or violation is typically reported or collected centrally using a security information and event management system.

What type of firewall inspects network traffic at a higher level in the OSI model?

A stateful inspection firewall examines network traffic to determine whether one packet is related to another packet. A proxy firewall (aka application-level gateway) inspects packets at the application layer of the Open Systems Interconnection (OSI) reference model.

Which of the following sits between the Internet and the internal network and is sometimes referred to as a perimeter network?

A DMZ Network is a perimeter network that protects and adds an extra layer of security to an organization's internal local-area network from untrusted traffic. A common DMZ is a subnetwork that sits between the public internet and private networks.

What router feature provides basic security?

Firewall. Most Cisco routers come with a firewall. There are two types of firewall: a software firewall -- like the one Windows has -- and a hardware firewall, which is the router. The router acts as a barrier between the Internet and devices on your home network.

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