Free GIAC GSNA Exam Practice Questions & Explanations

Last updated on: Sep 14, 2026
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Question 1

You work as an IT Technician for uCertify Inc. You have to take security measures for the wireless network of the company. You want to prevent other computers from accessing the company's wireless network. On the basis of the hardware address, which of the following will you use as the best possible method to accomplish the task?

Answer Options
Correct Answer: B
Explanation

MAC filtering is a security access control technique that allows specific network devices to access, or prevents them from accessing, the network. MAC filtering can also be used on a wireless network to prevent certain network devices from accessing the wireless network. MAC addresses are allocated only to hardware devices, not to persons.

Question 2

Which of the following statements is true about the Digest Authentication scheme?

Answer Options
Correct Answer: A
Explanation

The Digest Authentication scheme is a replacement of the Basic Authentication scheme. This authentication scheme is based on the challenge

response model. In Digest authentication, the password is never sent across the network in clear text format but is always transmitted as an

MD5 digest of the user's password. In this way, the password cannot be determined with the help of a sniffer.

How does it work? In this authentication scheme, an optional header allows the server to specify the algorithm used to create the checksum

or digest (by default, the MD5 algorithm). The Digest Authentication scheme provides the challenge using a randomly chosen value. This

randomly chosen value is a server-specified data string which may be uniquely generated each time a 401 response is made. A valid response

contains a checksum (by default, the MD5 checksum) of the username, the password, the given random value, the HTTP method, and the

requested URL. In this way, the password is never sent in clear text format.

Drawback: Although the password is not sent in clear text format, an attacker can gain access with the help of the digested password, since

the digested password is really all the information needed to access the web site.

Answer D, C, and B are incorrect. These statements are true about the Basic Authentication scheme.

Question 3

In an IT organization, some specific tasks require additional detailed controls to ensure that the workers perform their job correctly. What do these detailed controls specify?

Each correct answer represents a complete solution. Choose three.

Answer Options
Correct Answer: A, B, D
Explanation

Some of the specific tasks require additional detailed controls to ensure that the workers perform their job correctly. These controls refer to

some specific tasks or steps to be performed such as:

The way system security parameters are set.

How input data is verified before being accepted into an application.

How to lock a user account after unsuccessful logon attempts.

How the department handles acquisitions, security, delivery, implementation, and support of IS services.

Answer C is incorrect. Input data should be verified before being accepted into an application.

Question 4

Which of the following statements about a session are true?

Each correct answer represents a complete solution. Choose two.

Answer Options
Correct Answer: C, D
Explanation

The setMaxInactiveInterval() method sets the maximum time in seconds before a session becomes invalid. The syntax of this method is as

follows:

public void setMaxInactiveInterval(int interval)

Here, interval is specified in seconds.

The isNew() method of the HttpSession interface returns true if the client does not yet know about the session, or if the client chooses not to

join the session. This method throws an IllegalStateException if called on an invalidated session.

Answer B is incorrect. The getAttribute(String name) method of the HttpSession interface returns the value of the named attribute as

an object. It returns a null value if no attribute with the given name is bound to the session. This method throws an IllegalStateException if it

is called on an invalidated session.

Answer A is incorrect. The creation time of a session can be obtained using the getCreationTime() method of the HttpSession.

Question 5

You work as the Network Administrator for McNeil Inc. The company has a Unix-based network. You want to set the hard disk geometry parameters, cylinders, heads, and sectors. Which of the following Unix commands can you use to accomplish the task?

Answer Options
Correct Answer: D
Explanation

In Unix, the hdparm command is used to get or set hard disk geometry parameters, cylinders, heads, and sectors.

Answer C is incorrect. In Unix, the mkfs command initializes a Unix filesystem. This is a front end that runs a separate program depending on the filesystem's type.

Answer A is incorrect. In Unix, the mke2fs command creates a Unix second extended filesystem.

Answer B is incorrect. In Unix, the mkswap command sets up a Unix swap area on a device or file.