Network + : Network Security Principles

network-network-security-principles

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Question 1 of 1

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What type of attack involves the hacker altering the source address of a packet?

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Explanation

Spoof attack is the term used for when the hacker alters the source address of the packet. There are different types of spoofing, depending on what source address is being altered: IP spoofing, MAC spoofing, and e-mail spoofing.

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What type of password attack involves using dictionary words and appending numbers to the end of those words?

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Explanation

A hybrid attack, like a dictionary attack, uses a word list file, but also tries popular modifications on the words, such as adding a number to the end of the dictionary word.

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What portion of the Windows security subsystem handles both local security policies and user authentication, and generates audit log messages?

Select the correct answer(s).

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Explanation

The Local Security Authority (LSA) handles these functions above the Security Accounts Manager and Security Reference Monitor. Those services are used to provide specific functions for the LSA.

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What portion of the Windows security architecture maintains the database used for storing user and group account information on a local Windows 8 system?

Select the correct answer(s).

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Explanation

The Security Accounts Manager (SAM) is the database of users and groups contained on a local Windows system.

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What access control list object determines which users and groups have permissions to an object?

Select the correct answer(s).

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Explanation

The discretionary access control list (DACL) determines which users and groups have permissions to an object.

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Which of the following allows a user to modify the contents of a file?

Select the correct answer(s).

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Explanation

The Modify permission is the permission that allows a user to modify (and delete) a file.

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A user’s credentials are checked against a database of accounts that are allowed to access the network. This process is known as ________________.

Select the correct answer(s).

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Explanation

Authentication is the process of logging on to the network.

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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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Which encryption scheme uses the same encryption key to decrypt the data as the one that encrypted it?

Select the correct answer(s).

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Explanation

In symmetric encryption, both parties use the same key to encrypt and decrypt the data

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Which of the following is classified as an encryption method? (Choose all that apply.)

Select the correct answer(s).

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Explanation

Stream cipher and block cipher are valid encryption methods.

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Which block cipher mode encrypts each block individually during the encryption process?

Select the correct answer(s).

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Explanation

The Electronic Codebook (ECB) mode encrypts each block individually, but the Cipher Block Chaining and Cipher Feedback modes do not.

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What encryption standard is based on a fixed 56-bit symmetric key encryption algorithm?

Select the correct answer(s).

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Explanation

The Data Encryption Standard (DES) uses this algorithm.

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What technology uses certificate authorities to verify that a message has not been tampered with?

Select the correct answer(s).

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Explanation

Digital signatures technology does not encrypt the message—it only verifies that it arrived without being tampered with

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Which disaster recovery site provides only the facility, but no equipment or copy of the original data?

Select the correct answer(s).

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Explanation

A cold site provides only the disaster recovery facility. The equipment and data are the responsibility of the company using the facility.

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Which disaster recovery site provides the facility and ensures that the site has an up-to-date copy of the data necessary to have a fully functional site?

Select the correct answer(s).

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Explanation

A hot site provides the facility and the equipment, and it will ensure that an up-to-date copy of an organization’s data is available in case of disaster.

Network + : Network Security Principles

Question 1 of 1

Time Left

What type of attack involves the hacker altering the source address of a packet?

Select the correct answer(s).

(0/0)

Explanation

What type of password attack involves using dictionary words and appending numbers to the end of those words?

Select the correct answer(s).

(0/0)

Explanation

What portion of the Windows security subsystem handles both local security policies and user authentication, and generates audit log messages?

Select the correct answer(s).

(0/0)

Explanation

What portion of the Windows security architecture maintains the database used for storing user and group account information on a local Windows 8 system?

Select the correct answer(s).

(0/0)

Explanation

What access control list object determines which users and groups have permissions to an object?

Select the correct answer(s).

(0/0)

Explanation

Which of the following allows a user to modify the contents of a file?

Select the correct answer(s).

(0/0)

Explanation

A user’s credentials are checked against a database of accounts that are allowed to access the network. This process is known as ________________.

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

Which encryption scheme uses the same encryption key to decrypt the data as the one that encrypted it?

Select the correct answer(s).

(0/0)

Explanation

Which of the following is classified as an encryption method? (Choose all that apply.)

Select the correct answer(s).

(0/0)

Explanation

Which block cipher mode encrypts each block individually during the encryption process?

Select the correct answer(s).

(0/0)

Explanation

What encryption standard is based on a fixed 56-bit symmetric key encryption algorithm?

Select the correct answer(s).

(0/0)

Explanation

What technology uses certificate authorities to verify that a message has not been tampered with?

Select the correct answer(s).

(0/0)

Explanation

Which disaster recovery site provides only the facility, but no equipment or copy of the original data?

Select the correct answer(s).

(0/0)

Explanation

Which disaster recovery site provides the facility and ensures that the site has an up-to-date copy of the data necessary to have a fully functional site?

Select the correct answer(s).

(0/0)

Explanation

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