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CompTIA Security+ SY0-401 Authorized Cert Guide: OS Hardening and Virtualization

Aug 5, 2014

📄 Contents

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Foundation Topics
Chapter Review Activities
Answers and Explanations

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Chapter Review Activities

Use the features in this section to study and review the topics in this chapter.

Review Key Topics

Review the most important topics in the chapter, noted with the Key Topic icon in the outer margin of the page. Table 3-2 lists a reference of these key topics and the page number on which each is found.

Table 3-2 Key Topics for Chapter 3

Key Topic Element	Description	Page Number
Figure 3-2	Services window in Windows XP	87
Figure 3-3	Telnet Properties dialog box	88
Figure 3-4	Stopping and disabling a service in the Windows 7 Command Prompt	89
Table 3-1	Summary of ways to stop services	92
Bullet list	Windows Update options	96
Figure 3-7	`systeminfo` command in Windows	97
Bulleted list	Patch management four steps	99
Figure 3-9	Local Group Policy Editor in Windows 7	100
Figure 3-10	Windows Server 2012 Import Policy From window	101
Bulleted list	Maintaining a hard disk	104
Numbered list	Keeping a well-maintained computer	105
Bulleted list	Types of hypervisors	109

Define Key Terms

Define the following key terms from this chapter, and check your answers in the glossary:

hardening
application blacklisting
service pack (SP)
Trusted Operating System (TOS)
hotfix
patch
patch management
Group Policy
security template
baselining
virtualization
virtual machine
hypervisor

Review Questions

Answer the following review questions. Check your answers with the correct answers that follow.

Virtualization technology is often implemented as operating systems and applications that run in software. Often, it is implemented as a virtual machine. Of the following, which can be a security benefit when using virtualization?
1. Patching a computer will patch all virtual machines running on the computer.
2. If one virtual machine is compromised, none of the other virtual machines can be compromised.
3. If a virtual machine is compromised, the adverse effects can be compartmentalized.
4. Virtual machines cannot be affected by hacking techniques.
Eric wants to install an isolated operating system. What is the best tool to use?
1. Virtualization
2. UAC
3. HIDS
4. NIDS
Where would you turn off file sharing in Windows 7?
1. Control Panel
2. Local Area Connection
3. Network and Sharing Center
4. Firewall properties
Which option enables you to hide ntldr?
1. Enable Hide Protected Operating System Files
2. Disable Show Hidden Files and Folders
3. Disable Hide Protected Operating System Files
4. Remove the -R Attribute
Which of the following should be implemented to harden an operating system? (Select the two best answers.)
1. Install the latest service pack.
2. Install Windows Defender.
3. Install a virtual operating system.
4. Execute PHP scripts.
What is the best (most secure) file system to use in Windows?
1. FAT
2. NTFS
3. DFS
4. FAT32
A customer’s computer uses FAT16 as its file system. What file system can you upgrade it to when using the convert command?
1. NTFS
2. HPFS
3. FAT32
4. NFS
Which of the following is not an advantage of NTFS over FAT32?
1. NTFS supports file encryption.
2. NTFS supports larger file sizes.
3. NTFS supports larger volumes.
4. NTFS supports more file formats.
What is the deadliest risk of a virtual computer?
1. If a virtual computer fails, all other virtual computers immediately go offline.
2. If a virtual computer fails, the physical server goes offline.
3. If the physical server fails, all other physical servers immediately go offline.
4. If the physical server fails, all the virtual computers immediately go offline.
Virtualized browsers can protect the OS that they are installed within from which of the following?
1. DDoS attacks against the underlying OS
2. Phishing and spam attacks
3. Man-in-the-middle attacks
4. Malware installation from Internet websites
Which of the following needs to be backed up on a domain controller to recover Active Directory?
1. User data
2. System files
3. Operating system
4. System State
Which of the following should you implement to fix a single security issue on the computer?
1. Service pack
2. Support website
3. Patch
4. Baseline
An administrator wants to reduce the size of the attack surface of a Windows Server. Which of the following is the best answer to accomplish this?
1. Update antivirus software.
2. Install service packs.
3. Disable unnecessary services.
4. Install network intrusion detection systems.
You finished installing the operating system for a home user. What are three good methods to implement to secure that operating system? (Select the three best answers.)
1. Install the latest service pack.
2. Install a hardware- or software-based firewall.
3. Install the latest patches.
4. Install a remote desktop tech support program.
Which of the following is a security reason to implement virtualization in your network?
1. To isolate network services and roles
2. To analyze network traffic
3. To add network services at lower costs
4. To centralize patch management
Which of the following is one example of verifying new software changes on a test system?
1. Application hardening
2. Virtualization
3. Patch management
4. HIDS
You have been tasked with protecting an operating system from malicious software. What should you do? (Select the two best answers.)
1. Disable the DLP.
2. Update the HIPS signatures.
3. Install a perimeter firewall.
4. Disable unused services.
5. Update the NIDS signatures.
You are attempting to establish host-based security for your organization’s workstations. Which of the following is the best way to do this?
1. Implement OS hardening by applying GPOs.
2. Implement database hardening by applying vendor guidelines.
3. Implement web server hardening by restricting service accounts.
4. Implement firewall rules to restrict access.
In Windows, which of the following commands will not show the version number?
1. Systeminfo
2. Wf.msc
3. Winver
4. Msinfo32.exe
During an audit of your servers, you have noticed that most servers have large amounts of free disk space and have low memory utilization. Which of the following statements will be correct if you migrate some of the servers to a virtual environment?
1. You might end up spending more on licensing, but less on hardware and equipment.
2. You will need to deploy load balancing and clustering.
3. Your baselining tasks will become simpler.
4. Servers will encounter latency and lowered throughput issues.

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