The Cybersecurity Essentials Chapter 7

The Cybersecurity Essentials Chapter 7 Quiz

Cyber Practices Cyber Security

We will take a review on the cybersecurity essentials chapter 7 quiz to have a background on it. It will help us on how the CISCO questions are related. So let us start.

What Is Cybersecurity Essentials Chapter 7 Quiz All About?

This chapter is all about how to secure your routers and switches. We will be talking about the security features of this networking equipment.

The security features will be discussed on how to configure and implement them like the CLI, ACL, and other security features.

So now, we’ll have some of the sample questions and answer that you encounter in the quiz.

1. What is the security feature of a router to secure all its interfaces?

The “no IP source-route” command is configured on the interface. This will ensure that the IP packets are not forwarded by using the routing table.

2. Where can you find the list of routes that have been removed from a routing table?

You can find the routes that have been removed from the routing table by using the “show IP route” command with the “statistics” keyword. The commands with statistics keywords will show how many routes have been added. Also, removed from the routing tables, and how many were dropped due to administrative reasons.

3. What is a passive-interface command and what does it do?

The passive-interface command is used to prevent IP traffic from being sent out of an interface. In which there are no active routes to reach a destination network.

The passive-interface command prevents an attacker from sending malicious traffic through your network. But also prevents your network from communicating with a network in which there are no active routes.

4. What is the purpose of an ACL?

ACL (Access Control List) provides a means to filter traffic based on source IP address. It is a destination IP address, and application type, as well as other information. Such as TCP/UDP ports and ICMP types and codes.

It can be applied at almost any layer in Cisco IOS Software, including interfaces, routing protocols, and other features like Quality of Service (QoS)

So, it can be configured on routers without any interfaces as long as they have been assigned an IP address.

It can communicate with other devices through a serial line or another router via serial line or Ethernet interfaces. Common uses include filtering access to sensitive services. Such as:

  • FTP servers and Web servers,
  • preventing broadcast storms caused by rogue DHCP servers, and
  • blocking packets

It shows signs of being worms or viruses. Such as those with a spoofed source address.

An ACL can also be used in conjunction with packet filtering firewalls. Like Cisco IOS Firewall to protect internal networks behind a firewall device against hackers trying to gain.

Wrapping It Up

In this Chapter 7 quiz, we have discussed the security features of a router, as well as its configuration. We have also discussed its commands and how they can be applied.

All of these things will help you on how to configure and implement some security features on your router.

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