Download COMPTIA Server + SK0-004: Chapter 1 - Server Fundamentals and more Exams Computer Science in PDF only on Docsity!
COMPTIA SERVER + SK0-
CHAP 1
Which term refers to the size, appearance, or dimensions of a server? A. Form factor B. Footprint C. Physical reference D. U measure - Answer A. When we use the term form factor when discussing any computing device or component, we are talking about its size, appearance, or dimensions. It is typically used to differentiate one physical implementation of the same device or component from another. In the case of servers, we are talking about the size and dimensions of the enclosure in which the server exists. Which of the following is used to make maintenance easier with a rack server? A. KVM B. Rail kits C. Baffles D. Rack slot - Answer B. Rail kits, when implemented, allow you to slide the server out of the rack for maintenance. How large is each U in a rack? A. 19 inches B. 4.445 inches C. 1.75 inches D. It depends on the rack. - Answer C. Each U is 1.75 inches (4.445 cm) high.
What technology consists of a server chassis housing multiple thin, modular circuit boards, each of which acts as a server? A. Rack servers B. Towers C. KVM D. Blade technology - Answer D. This technology consists of a server chassis housing multiple thin, modular circuit boards, known as server blades. Each blade (or card) contains processors, memory, integrated network controllers, and other input/output (I/O) ports. What type of CPU cache holds data that is waiting to enter the CPU? A. L B. L C. L D. L4 - Answer A. The Level 1 cache, also known as the L1 or front-side cache, holds data that is waiting to enter the CPU. On modern systems, the L1 cache is built into the CPU. What term describes the time the CPU was executing in kernel mode? A. User time B. Steal time C. System time D. Idle time - Answer C. When monitoring CPU performance, the following are common metrics and their meanings: ■■ User time—the time the CPU was busy executing code in user space ■■ System time—the time the CPU was busy executing code in kernel space ■■ Idle time—the time the CPU was not busy; measures unused CPU capacity
DDR3 memory is _______ as fast as DDR2. A. Three times B. Twice C. Half D. One third - Answer B. The primary benefit of DDR3 over DDR2 is that it transfers data at twice the‐ rate of DDR2 (eight times the speed of its internal memory arrays), enabling higher bandwidth or peak data rates. True/False: DDR doubles the rate by accessing the memory module twice per clock cycle. - Answer True What statement is true with regard to dual channel memory?‐ A. Installing different size modules in the same bank will result in the modules operating in single channel mode.‐ B. Installing different size modules in the same bank will result in the modules operating in dual channel mode.‐ C. Installing equal size modules in the same bank will result in the modules operating in single channel mode.‐ D. Installing different size modules in the same bank will increase the performance of the bank. - Answer A. When installing the memory, install the same size modules in the same bank. If you do not, the modules will not operate in dual-channel mode. This will impair the performance of the bank. Which if the following is the time to access a memory address column if the correct row is already open? A. CAS Latency B. Row Address to Column Address Delay C. Row Precharge Time D. Row Active Time - Answer A. Memory timing measures the performance of RAM and is composed of four components:
■■ CAS Latency—the time to access an address column if the correct row is already open ■■ Row Address to Column Address Delay—the time to read the first bit of memory without an active row ■■ Row Precharge Time—the time to access an address column if the wrong row is open ■■ Row Active Time—the time needed to internally refresh a row Which of the following can be mixed when installing memory? Choose two. A. Different speeds B. Different types C. Different form factors D. Different manufacturers - Answer A, D. You can mix speeds and manufacturers but not form factors or types. Which of the following is a double wide version of the 32 bit PCI local bus?‐ ‐ A. PCI B. PCI X‐ C. PCIe D. PCI/2 - Answer B. PCI-eXtended (PCI-X) is a double-wide version of the 32-bit PCI local bus. It runs at up to four times the clock speed, achieving higher bandwidth, but otherwise uses the same protocol and a similar electrical implementation. Which type of NIC detects the type of device on the other end and changes the use of the wire pairs accordingly? A. Auto MDIX‐ B. Full duplex‐ C. Converged
A. It protects the preboot process. B. It has a slower startup time than BIOS. C. It supports 64 bit firmware device drivers.‐ D. It supports drives larger than 2.2 terabytes (TB). - Answer B. UEFI provides faster startup and resuming from hibernation times.
