A company's security policy mandates that all mobile devices be encrypted. A technician enables full-disk encryption on a user's company-issued Android smartphone. Later, the user reports that the phone now prompts for a password before booting and wants to remove this requirement without compromising security. What should the technician explain?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Distractor review
The user can disable the pre-boot password by turning off encryption in the security settings, but this will also remove the data protection.
While disabling encryption would stop the prompt, it defeats the purpose of the security policy and exposes sensitive data. The goal is to maintain encryption while addressing the user's concern.
Best answer
The pre-boot authentication is a required feature of full-disk encryption and cannot be removed without disabling encryption, which would violate security policy.
Full-disk encryption inherently requires a decryption key provided at boot. Removing the password would require disabling encryption, which is not allowed per company policy. The user may change the password to a PIN for convenience, but the authentication itself is necessary.
Distractor review
The user can change the password to a PIN in settings to speed up the boot process while keeping the device encrypted.
Changing to a PIN is possible and can improve convenience, but it does not remove the authentication requirement. The user still needs to provide credentials at boot.
Distractor review
The pre-boot password is only required if the device is lost or stolen; it can be disabled when the device is in a trusted location.
Pre-boot authentication is a security control that applies every time the device starts, regardless of location. It cannot be conditionally disabled based on trust.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A user reports intermittent network connectivity on a desktop computer. The technician observes that the Ethernet link light on the NIC turns off for a few seconds and then turns back on. The cable passes a wiremap test, the switch port is verified good with another device, and the NIC driver is updated. The issue occurs more frequently when the computer's case fan runs at high speed. Which of the following is the MOST likely cause?
Question 2
A workstation is unable to connect to the internet. The technician runs the 'ipconfig' command and sees the IPv4 address is 169.254.15.200 with a subnet mask of 255.255.0.0. The workstation can ping other devices on the local subnet but cannot ping the default gateway or any external addresses. Which TWO actions should the technician take to resolve this issue? (Select two.)
Question 3
A workstation is connected to a managed switch. It obtains a valid IP address (192.168.10.50) from the DHCP server, but it cannot ping the default gateway (192.168.10.1). The link light on both the workstation NIC and the switch port are solid green. Other workstations on the same switch CAN ping the default gateway successfully. The technician accesses the switch management interface and finds that the workstation's port is configured as an access port on VLAN 10. The default gateway is located on VLAN 20. An inter-VLAN router is configured but not explicitly allowing VLAN 10 access to VLAN 20. Which of the following is the MOST likely cause of the problem?
Question 4
A company develops a web application that relies on a custom library available only for a specific Linux distribution. They want to deploy the application in the cloud with minimal administrative overhead, but they need full control over the software stack, including the ability to install the custom library and configure the web server. Which cloud service model BEST meets these requirements?
Question 5
A company has a legacy virtual machine running on a deprecated hypervisor (Hyper-V). They want to migrate this VM to a new hypervisor (VMware vSphere) hosted in a private cloud while preserving the VM's configuration, installed applications, and data. The migration must be performed with minimal downtime. Which of the following methods is MOST appropriate?
Question 6
A company hosts a critical database on a virtual machine in a public cloud. The database requires persistent storage that must be retained even if the VM is terminated. The storage must also be accessible from multiple VMs simultaneously for a future high-availability configuration. Which type of cloud storage BEST meets these requirements?
FAQ
Questions learners often ask
What does this 220-1101 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: The pre-boot authentication is a required feature of full-disk encryption and cannot be removed without disabling encryption, which would violate security policy. — Full-disk encryption on Android (and most modern operating systems) requires a pre-boot authentication mechanism to decrypt the device. This password (or PIN) is integral to the encryption process; removing it would effectively disable encryption, leaving the data unprotected. Changing the password to a simpler PIN is possible, but the authentication requirement cannot be eliminated while keeping encryption enabled. The pre-boot prompt is a standard security feature, not an error.
What should I do if I get this 220-1101 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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