The CompTIA 220-901 exam is one of two exams requires to obtain the CompTIA A+ (900 series). This exam will cover operating systems like Windows, Macintosh OSX and Linux as well as topics like security, software troubleshooting and operational procedures.
- A) All file permissions must be reassigned
- B) All of the file permissions are lost
- C) The file owner is preserved
- D) The file name becomes case insensitive
Answer Description
Unfortunately the FAT32 file system does not allow for file and folder permissions like those that are commonly found on modern file systems, such as NTFS.
Security
This question is filed under objective 3, Security
- A) Ignore the error and boot into Windows 10 for the first time
- B) Rebuild the GRUB using a Red Hat Disc
- C) Upgrade to GRUB for Windows to allow both Windows and Linux to operate
- D) Reinstall Windows 10, selecting allow multiboot under advanced installation options
Answer Description
GRUB (GRand Unified Bootloader) is an open source technology commonly used to allow multiple operating systems to boot on a single machine. GRUB is commonly used as the default boot loader for Linux, but it is compatible with Windows also. When Windows 10 was installed the GRUB was replaced or corrupted and using the Linux installation CD to restore it is your best option.
Software Troubleshooting
This question is filed under objective 4, Software Troubleshooting
Wikipedia
- A) Run the Windows 10 Update Software
- B) Purchase a valid Windows 10 Pro License
- C) Reformat the laptop with NTFS10
- D) Verify the laptop can support Windows 10 Pro requirements
Answer Description
Windows 10 and Windows 7 were released 6 years apart. It is possible her laptop does not meet the minimum requirements for Windows 10 and the laptop's specs should be verified first.
Windows Operating Systems
This question is filed under objective 1, Windows Operating Systems
Wikipedia
Answer Description
Safe Mode, as it's name implies, can allow a Windows OS to safely BOOT even when a malicious software, invalid driver, or other issue is causing a system failure.
Software Troubleshooting
This question is filed under objective 4, Software Troubleshooting
Wikipedia
- A) Document findings
- B) Verify full functionality
- C) Test the theory to determine the cause
- D) Consider corporate policies
Answer Description
The trouble shooting theory is as follows: 1. Identify the problem, 2. Establish a theory of probable cause, 3. Test the theory to determine cause, 4. Establish a plan of action to resolve the problem and implement the solution, 5. Verify full system functionality and if applicable implement preventive measures, 6. Document findings, actions and outcomes
Operational Procedures
This question is filed under objective 5, Operational Procedures
Answer Description
There's no firewall or antivirus that can protect from Social Engineering. The best solution is to teach users how to identify and avoid Social Engineering.
Security
This question is filed under objective 3, Security
Wikipedia
Answer Description
Check Disk (CHKDSK) is a Windows Repair tool for verifying volume integrity.
Software Troubleshooting
This question is filed under objective 4, Software Troubleshooting
Wikipedia
- A) Ethtools -lock 00:0D:9D:C6:38:2D
- B) Ifconfig eth0:0 00:0D:9D:C6:38:2D
- C) Iptables /netfilter auth-only 00:0D:9D:C6:38:2D
- D) Iwconfig ap 00:0D:9D:C6:38:2D
Answer Description
IWCONFIG is a Linux command line tool for configuring wireless settings. IWCONFIG can be used to change settings like authorized access points, signal strength, wireless channel, and what SSID to connect to. IP Address, subnet mask and DNS servers are still configured via IFCONFIG.
Other Operating Systems & Technologies
This question is filed under objective 2, Other Operating Systems & Technologies
Wikipedia
Answer Description
Inheritance is when an computer object, like a file or folder inherits settings from it's parent. For example, if a user does not have read access to a folder, they also cannot read any files or sub folders of that directory.
Security
This question is filed under objective 3, Security
- A) Software whose code is not available
- B) Software whose code is available to the public
- C) Software whose code is certified by a third party reviewer
- D) None of the above
Answer Description
Open Source software is a software application whose code is publicly available for review, modification and enhancement.
Other Operating Systems & Technologies
This question is filed under objective 2, Other Operating Systems & Technologies
Wikipedia
Answer Description
The MSCONFIG tool, officially called the System Configuration tool has several features for troubleshooting and modifying the start up process.
Software Troubleshooting
This question is filed under objective 4, Software Troubleshooting
Wikipedia
Answer Description
Ipconfig is a Windows command line tool that provides network information like the IP Address, MAC Address, and Subnet Mask.
Windows Operating Systems
This question is filed under objective 1, Windows Operating Systems
Wikipedia
Answer Description
In this situation you need to ensure proper Chain of Custody. Chain of Custody is a record of evidence's ownership. Anyone who has had control of the evidence should be recorded to include when and where they had it. The Chain of Custody can be used as a legal document to proof no one has altered or deleted data since discovered.
Operational Procedures
This question is filed under objective 5, Operational Procedures
Wikipedia
- A) Right click the terminal and select Run as Administrator
- B) Prepend sudo to your command
- C) Fast swap to root
- D) Switch to the administrative user account
Answer Description
Placing sudo (SuperUser Do) in front of a command in some Linux environments will run the command with the security privileges of the root account. Once the command finishes the privileges will be removed and are not applied to any further commands or applications. (unless they are also run with sudo)
Other Operating Systems & Technologies
This question is filed under objective 2, Other Operating Systems & Technologies
Wikipedia
- A) The most restrictive permissions from both NTFS and Share will apply
- B) The least restrictive permissions from both NTFS and Share will apply
- C) Only Share permissions will apply when accessing through a share folder
- D) Only NTFS permissions will apply when accessing through a shared NTFS folder
Answer Description
When accessing through a network share both NTFS and share permissions will apply. When accessing a file or folder directly only NTFS permissions will apply. In either case the principle of least privilege will apply and the most restrictive permissions will always take priority.
Security
This question is filed under objective 3, Security
- A) Ensure the Windows server supports PXE Boot/Installation
- B) Wait a few moments, then press refresh to force Windows to detect drives
- C) Enable PATA in the BIOS
- D) Use the correct RAID driver
Answer Description
Many RAID cards require a vendor specific driver to function with Windows. In order to install Windows, you first need to provide it with the proper RAID driver.
Software Troubleshooting
This question is filed under objective 4, Software Troubleshooting
- A) Check the networks firewall for unauthorized entries
- B) Reinstall the user's email client
- C) Change the user's account password
- D) Install a more expensive spam filter
Answer Description
Changing the account password will most likely solve the issue, but better preventatives should be put in place as soon as possible. Spam filters typically ignore local emails, which is why this is not the correct answer.
Security
This question is filed under objective 3, Security
Wikipedia
Answer Description
Performance monitor is a Windows tool that can be used to monitor and log a system's health and status in real time. Task Manager can display similar information but does not log and should only be used as a quick reference.
Windows Operating Systems
This question is filed under objective 1, Windows Operating Systems
Wikipedia
Answer Description
A Dictionary Attack uses a list of preset words, phrases and commonly used passwords.
Security
This question is filed under objective 3, Security
Wikipedia
Smashing!
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