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220-1201 Practice Question: A technician is upgrading a server CPU to improve…
A technician is upgrading a server CPU to improve multi-threaded performance for a virtualization host. The current CPU has 8 cores and 16 threads. Which of the following specifications is most important to consider for compatibility?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
CPU socket type
CPU upgrades require careful consideration of socket type, chipset support, and BIOS compatibility. The socket is the most critical physical compatibility factor.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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CPU clock speed
Why it's wrong here
CPU clock speed, measured in gigahertz (GHz), dictates the number of cycles per second a CPU can execute, directly impacting its processing performance. While a higher clock speed is a desirable outcome of an upgrade to improve performance, it is not the fundamental compatibility factor that determines whether a CPU can even be physically installed onto a motherboard. A CPU with an incompatible socket type, regardless of its clock speed, simply cannot be seated.
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CPU core count
Why it's wrong here
The CPU core count refers to the number of independent processing units within a single CPU package, enabling parallel task execution and enhancing multitasking capabilities. While increasing the core count is a common goal for server CPU upgrades to boost computational throughput, it is entirely secondary to the physical compatibility requirements. A CPU with more cores will not fit a motherboard if its pin configuration or land grid array does not match the existing socket.
- ✓
CPU socket type
Why this is correct
The CPU socket type is the most critical compatibility factor when upgrading a server CPU because it defines the physical interface and electrical connection between the processor and the motherboard. Each socket, such as LGA 1700 or AM5, has a unique pin layout and retention mechanism. If the new CPU's socket type does not precisely match the motherboard's socket, the processor cannot be physically seated, making any performance considerations like clock speed or core count entirely moot.
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CPU TDP
Why it's wrong here
Thermal Design Power (TDP) represents the maximum amount of heat generated by the CPU that the cooling system is required to dissipate under typical workloads. While a higher TDP necessitates a more robust cooling solution and adequate power delivery from the motherboard's VRMs, it is not a factor that prevents the physical installation of the CPU into the socket. An incompatible TDP might lead to thermal throttling or system instability after installation, but socket mismatch prevents installation altogether.
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Related to this question
Learn chapter
Virtualization Concepts and Hypervisors
Key term
Chipset
A chipset is a collection of electronic components on a motherboard that manages data flow between the processor, memory, storage, and peripherals.
Key term
CPU
The Central Processing Unit (CPU) is the main electronic brain of a computer that carries out instructions from software by performing basic arithmetic, logic, control, and input/output operations.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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