easymultiple choiceObjective-mapped

A technician is upgrading a desktop computer with two additional 8GB DDR4-3200 RAM modules. The motherboard has four DIMM slots and supports dual-channel memory. The technician installs the two new modules in slots 1 and 2 (the two slots closest to the CPU). The existing 8GB DDR4-3200 module remains in slot 3. The system boots and recognizes 24GB of RAM, but the technician notices in the BIOS that the memory is running at 2133MHz instead of 3200MHz. Which of the following is the MOST likely cause?

Question 1easymultiple choice
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A technician is upgrading a desktop computer with two additional 8GB DDR4-3200 RAM modules. The motherboard has four DIMM slots and supports dual-channel memory. The technician installs the two new modules in slots 1 and 2 (the two slots closest to the CPU). The existing 8GB DDR4-3200 module remains in slot 3. The system boots and recognizes 24GB of RAM, but the technician notices in the BIOS that the memory is running at 2133MHz instead of 3200MHz. Which of the following is the MOST likely cause?

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.

A

Distractor review

The memory modules are defective.

The system boots and recognizes all 24GB, so defective modules are unlikely.

B

Distractor review

The motherboard does not support 3200MHz with four modules installed.

While some motherboards have limitations, the immediate cause is the incorrect slot placement; the system is running in single-channel mode, which often forces a lower speed.

C

Best answer

The memory modules are not installed in paired slots for dual-channel operation, limiting speed.

Correct. Installing modules in non-paired slots (1,2,3) prevents dual-channel operation, causing the memory controller to default to a safe, lower speed. Moving one new module to slot 4 would enable dual-channel and allow 3200MHz.

D

Distractor review

The CPU does not support DDR4 memory.

If the CPU did not support DDR4, the system would not boot at all or would show a memory error.

Common exam trap

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Technical deep dive

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Related practice questions

Related 220-1101 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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?

Read the scenario before looking for a memorised answer.

What is the correct answer to this question?

The correct answer is: The memory modules are not installed in paired slots for dual-channel operation, limiting speed. — When installing memory modules, the motherboard's dual-channel configuration requires modules to be installed in specific pairs (usually slots of the same color or slots 1&3 or 2&4). Installing all modules in adjacent slots (1,2,3) forces single-channel mode and often causes the memory speed to fall back to the default JEDEC standard (2133MHz) rather than the rated XMP speed. Moving the modules to proper paired slots, such as 1&3 and 2&4, would allow dual-channel operation and enable the rated speed. Defective modules (A) are unlikely since the system recognizes the memory; support for 3200MHz with four modules (B) depends on the motherboard but slot placement is a more direct issue; CPU support for DDR4 (D) is a basic requirement that is already met.

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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