Network + : Network Security Practices

network-network-security-practices

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Question 1 of 1

Time Left

85193

120

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Your manager is looking to harden the network environment by ensuring clients are receiving IP addresses only from authorized DHCP servers and wants to prevent malicious ARP messages on the network. What features should you enable on the switch to accomplish these goals? (Select two.)

Select the correct answer(s).

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Explanation

In order to protect against unauthorized DHCP servers on the network, you can enable the DHCP snooping feature on the switch. You can also enable ARP inspection to help protect against malicious ARP messages

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After installing a network operating system, what should you do before placing the machine on the network to help secure it?

Select the correct answer(s).

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Explanation

After installing the network operating system, you should harden it, which involves removing unnecessary services. Removing unnecessary services helps secure the system, because each additional piece of software running provides more security holes for a

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After hardening the operating system, what should you do to ensure that your server has all security fixes applied to it?

Select the correct answer(s).

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Explanation

After hardening the operating system, you should patch the server to apply security fixes to any software running on the server.

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You are assessing the security of the network infrastructure and have noticed that administrators are using Telnet to access network devices remotely to administer those devices. What change would you recommend?

Select the correct answer(s).

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Explanation

You would ensure that administrators are encrypting traffic between their administrative workstations and the network devices by using SSH. SSH is a secure replacement to the unsecure Telnet protocol.

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Your manager would like to implement a security system that can be used to secure the server room but at the same time audit who enters the server room. What technology would you use?

Select the correct answer(s).

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Explanation

One of the benefits of using an electronic locking mechanism is that they typically log when someone gains access to the facility.

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Which of the following represents the use of a biometrics device?

Select the correct answer(s).

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Explanation

Examples of biometrics used to gain access to a facility are a retina scan, voice recognition, and a fingerprint scan.

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What type of device analyzes packets that attempt to enter the network and then either allows or denies the traffic, based on rules?

Select the correct answer(s).

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Explanation

A firewall is used to secure the internal network from the outside world by rules configured on the firewall that specify which packets to drop and which packets to allow through.

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What kind of firewall provides a single computer with two physical network interfaces?

Select the correct answer(s).

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Explanation

A dual-homed host firewall contains two physical network interfaces.

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Which component(s) is/are included in a screened subnet firewall configuration?

Select the correct answer(s).

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Explanation

A firewall and two screening routers are required in a screened subnet configuration.

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Which type of firewall is used to provide security based on rules governing the network or transport layers?

Select the correct answer(s).

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Explanation

The packet level controls the network or transport layer within packets, creating rules that allow or deny traffic based on IP address (layer 3) or port number (layer 4).

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What is the role of the first responder?

Select the correct answer(s).

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Explanation

The goal of the first responder is to contain the security incident and ensure the incident does not become a bigger problem.

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Your manager suspects that Sue is sharing confidential information with a local competitor. What is the first thing you should do?

Select the correct answer(s).

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Explanation

Placing a legal hold on Sue’s mailbox ensures that she cannot delete messages from her mailbox while you start your investigation.

Network + : Network Security Practices

Question 1 of 1

Time Left

Your manager is looking to harden the network environment by ensuring clients are receiving IP addresses only from authorized DHCP servers and wants to prevent malicious ARP messages on the network. What features should you enable on the switch to accomplish these goals? (Select two.)

Select the correct answer(s).

(0/0)

Explanation

After installing a network operating system, what should you do before placing the machine on the network to help secure it?

Select the correct answer(s).

(0/0)

Explanation

After hardening the operating system, what should you do to ensure that your server has all security fixes applied to it?

Select the correct answer(s).

(0/0)

Explanation

You are assessing the security of the network infrastructure and have noticed that administrators are using Telnet to access network devices remotely to administer those devices. What change would you recommend?

Select the correct answer(s).

(0/0)

Explanation

Your manager would like to implement a security system that can be used to secure the server room but at the same time audit who enters the server room. What technology would you use?

Select the correct answer(s).

(0/0)

Explanation

Which of the following represents the use of a biometrics device?

Select the correct answer(s).

(0/0)

Explanation

What type of device analyzes packets that attempt to enter the network and then either allows or denies the traffic, based on rules?

Select the correct answer(s).

(0/0)

Explanation

What kind of firewall provides a single computer with two physical network interfaces?

Select the correct answer(s).

(0/0)

Explanation

Which component(s) is/are included in a screened subnet firewall configuration?

Select the correct answer(s).

(0/0)

Explanation

Which type of firewall is used to provide security based on rules governing the network or transport layers?

Select the correct answer(s).

(0/0)

Explanation

What is the role of the first responder?

Select the correct answer(s).

(0/0)

Explanation

Your manager suspects that Sue is sharing confidential information with a local competitor. What is the first thing you should do?

Select the correct answer(s).

(0/0)

Explanation

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