Exam Compass Practice Test
Which of the following RAM types would be the most suitable choices for a high-end server?
Buffered memory RDIMM ECC memory
Examples of interfaces providing the capability for transmission of both video and audio data include
HDMI (not DVI)
For optical connections, The IEEE 1394b standard extends the maximum allowable cable length to 100 meters.
True
Intel CPU server brands include:
Xeon Itanium
In computer architecture, the term "word" refers to a
group of bits processed as a uni
A single clock cycle is an equivalent of a period of time between
two adjacent signals sent by the system clock
What are the characteristic features of the Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM)?
-184 contact pins -Reads/writes 2 words of data per clock cycle -1 notch on the module contact surface
What are the characteristic features of conventional PCI? (Select all that apply)
-32-bit bus width -64-bit bus width -Parallel interface -Maximum throughput of up to 533 MB/s
The Peripheral Component Interconnect eXtended (PCI-X) is an advanced version of PCI which: (Select all that apply)
-Doubles the bandwidth of PCI -Provides much faster data transfer rates in comparison to PCI -Offers backward compatibility with PCI devices -Didn't get much of a market success due to the development and widespread adoption of the PCIe standard -Was intended for devices with higher bandwidth requirements such as servers and high-end workstations
In order to work, an integrated component such as Network Interface Card (NIC) on a newly assembled computer system may need to be first: -Enabled in Windows Control Panel -Updated with the latest driver in Device Manager -Checked against the Hardware Compatibility List (HCL) -Enabled in the advanced BIOS settings menu
-Enabled in the advanced BIOS settings menu
What are the characteristic features of the Double Data Rate 3 Synchronous Dynamic Random Access Memory (DDR3 SDRAM)? (Select 3 answers)
-1 notch on the module contact surface -240 contact pins -Reads/writes 8 words of data per clock cycle
What are the storage limitations of a standard CD-ROM media format?
-Less than 800 MB of data storage capacity -Up to 80 minutes of uncompressed audio
Which RAID type has the highest disk overhead?
RAID Level 1
A parallel bus transmits data across
multiple wires
While trying to enable the entire drive encryption feature in Windows technician receives the following error message: "A compatible Trusted Platform Module (TPM) Security Device must be present on this computer, but a TPM was not found". Knowing that the system has a TPM chip installed, which of the following steps might help in solving this problem?
-Enabling the TPM security feature in CMOS setup menu
Which of the answers listed below refer(s) to the characteristic feature(s) of Static Random Access Memory (SRAM)? (Select all that apply)
-Faster than Dynamic Random Access Memory (DRAM) -More expensive in comparison to Dynamic Random Access Memory (DRAM) -Volatile storage media type -Utilized for CPU cache memory chips
Which of the answers listed below describe(s) the characteristics of Dual In-line Memory Modules (DIMMs)? (Select all that apply)
-Printed Circuit Board (PCB) type used as a placeholder for memory chips -Separate electrical contacts on each side of the module -64-bit data path -Used with various SDRAM memory types (SDR, DDR, DDR2, and DDR3)
What are the characteristic features of the Double Data Rate 2 Synchronous Dynamic Random Access Memory (DDR2 SDRAM)? (Select 3 answers)
-Reads/writes 4 words of data per clock cycle -1 notch on the module contact surface -240 contact pins
BIOS updates are performed in order to: (Select all that apply)
-Repair damaged BIOS -Provide support for new types of attached hardware -Fix known programming errors discovered in the current BIOS version
What is LoJack?
-Security feature used for locating stolen desktops, laptops, or tablets
What kind of user permission restrictions can be set in BIOS? (Select all that apply)
-User password required to proceed when the computer is powered on -Password-restricted access to the BIOS setup utility (Supervisor password)
CMOS settings can be set to factory defaults by: (Select all that apply)
-Using a jumper that can be found on the motherboard -Reseating the CMOS battery on the motherboard -Choosing the default configuration option in the CMOS setup utility
Which of the following answers describes(s) the characteristics of Dynamic Random Access Memory (DRAM)? (Select all that apply)
-Volatile storage media type -Slower than Static Random Access Memory (SRAM) -Widely used as system's primary storage media (regular RAM modules installed in memory slots on the motherboard) -Less expensive in comparison to Static Random Access Memory (SRAM)
What is the maximum data transfer rate supported by the SATA 1.0 standard?
1.5 Gbps
What is the capacity of a dual-layer mini Blu-ray disc?
15.6 GB
What is the maximum length for external SATA (eSATA) cable?
2 meters
Which of the values listed below refers to the speed of a single-lane (x1) PCIe v1.x link? 125 MB/s 250 MB/s 500 MB/s 985 MB/s 1969 MB/s
250 MB/s
Cable length for FireWire devices is limited to:
4.5 meters
What is the maximum allowable cable length for USB devices?
5 meters
A single-lane (x1) PCIe v2.x link offers maximum throughput of up to: 125 MB/s 250 MB/s 500 MB/s 985 MB/s 1969 MB/s
500 MB/s
Which types of standard FireWire connectors have the capability of supplying voltage to a device? (
6-pin connector 9-pin connector
A single-layer mini Blu-ray disc can store up to:
7.8 GB of data
Which of the following answers lists the speed of a single-lane (x1) PCIe v3.x link? 125 MB/s 250 MB/s 500 MB/s 985 MB/s 1969 MB/s
985 MB/s
Motherboard slots that enable installation of dedicated graphics controllers include: (Select 2 answers)
AGP PCIe
The AMD CPU brands designed for desktop and workstation computers include: (Select all that apply)
Athlon Sempron Phenom FX
The bus between the CPU and the internal memory cache (L2 cache) inside the CPU housing is called:
Back-side bus (BSB)
After completing the initial diagnostics and assigning system resources, the startup BIOS program checks for information about secondary storage devices that might contain the OS. The list of devices and the order in which they should be checked can be found and arranged in the CMOS setup utility, and this option is commonly referred to as: Boot record Master Boot Record (MBR) Partition table Boot sequence
Boot sequence
A type of typically more expensive memory modules equipped with additional circuitry designed to ensure better system stability and accuracy of data processing is known as:
Buffered memory RDIMM
In order to retain its configuration data, CMOS RAM requires constant supply of electricity which is provided by the:
CMOS battery
Which of the answers listed below refers to a source of power for an RTC when the computer is turned off?
CMOS battery
Which of the following answers refer(s) to example(s) of Intel CPU(s) designed for desktop and workstation computers?
Celeron Pentium Core i3 Core i5 Core i7
Which of the following integrated circuit types defines the core functionality and capabilities of a motherboard?
Chipset
Which of the answers listed below describe(s) the features of UEFI? (Select all that apply)
DRM support GUI mode Mouse support Secure boot Network access
Which of the following resources can be used by an Operating System (OS) to communicate with hardware? (Select 2 answers) Device Manager Secure Shell (SSH) Device drivers System BIOS Command-Line Interface (CLI)
Device drivers System BIOS
The Universal Serial Bus (USB) standard specifies that type A connectors can be attached to: (Select 2 answers)
Devices that supply power Host devices
Which of the following answers describes(s) the characteristic features of S/PDIF? (Select all that apply)
Digital audio interface Coaxial cabling Fiber-optic cabling
Which of the following terms refer to BIOS types that can be updated without removing the BIOS chip from a motherboard? (Select 2 answers) EEPROM ROM Plug and Play (PnP) EPROM Flash Memory
EEPROM Flash Memory
The NX bit technology implemented by AMD in its CPUs is known as:
EVP
In a northbridge/southbridge chipset computer architecture, the function of southbridge is to provide high-speed data links between CPU, RAM, and PCIe graphics controllers. True False
False
The term "northbridge" refers to a part of the computer chipset that controls peripheral buses used for connecting lower-speed I/O devices such as hard drives, keyboards, mice, PCI devices, as well as embedded hardware including BIOS, integrated graphics/audio, USB, or Ethernet interfaces. True False
False
Which of the following statements refer(s) to the IEEE 1394a standard? (Select all that apply)
FireWire 400 Data transfer rate of up to 400 Mbps
After replacing a modular hardware component inside computer case, the updated information about specific parameters of the new device can be stored in: (Select 2 answers) System BIOS Flash memory Startup BIOS Secondary storage CMOS RAM
Flash memory CMOS RAM
Which of the following answers lists storage media types arranged from lowest to highest capacity?
Floppy disk, CD, DVD, BD (Blu-ray), Tape
Which of the following interfaces takes advantage of the 19-pin Type A connector?
HDMI
Which of the statements listed below apply to USB?
Hot-pluggable devices Bootable devices Serial communication interface
In PCIe architecture, a single full-duplex point-to-point serial communication path consisting of two pairs of wires (where one pair is used for transmitting data and the other pair for receiving data) is known as:
Lane
The speed of the system bus in modern PCs is measured in
MHz (i.e. millions of cycles per second)
Which Microsoft Windows OS utility can be used to view basic information about computer's BIOS? WINVER.EXE MSINFO32.EXE Control Panel SERVICES.MSC
MSINFO32.EXE
Which of the answers listed below describe the features of tape drives? (Select 3 answers)
Magnetic media Slow seek times High capacity
A memory module form factor commonly used in sub-notebook devices is known as:
MicroDIMM
Which of the answers listed below refers to a VIA-proprietary low-power consumption SFF type motherboard known for industrial and embedded PC applications?
Mini-ITX
What is the name of a server-dedicated CPU series designed by AMD?
Opteron
An additional ATX12V power connector designed to supply dedicated power for the CPU is known as:
P4 connector
Peripheral Component Interconnect Express (abbr. as PCIe) is a high-speed, serial expansion bus designed as a replacement for: (Select all that apply)
PCI PCI-X AGP
Which of the answers listed below refer(s) to the features of a motherboard's CPU socket? (Select all that apply)
PGA LGA ZIF PGA2
Which of the CPU models listed below are compatible with the LGA 775 socket?
Pentium 4, Pentium D, Celeron, Celeron D, Pentium XE, Core 2 Duo, Core 2 Extreme, Core 2 Quad, Xeon
A CPU design based on instruction set that tries to improve speed by utilizing relatively few and simple instructions is known as:
RISC
Which of the memory types listed below are designed to store permanent data that cannot be changed?
ROM PROM
Platters of a magnetic hard drive spin at a rate measured in:
Revolutions per minute
A UEFI functionality designed to prevent the loading of malware and unauthorized OSs during system start-up is known as:
Secure boot
Which type of password provides the highest level of permissions in BIOS?
Supervisor
Which of the terms listed below refers to computer data storage systems, data storage devices, and data storage media that can be written to once, but read from multiple times?
Tape library WORM
The Universal Serial Bus (USB) standard specifies that type B connectors can be attached to:
Target devices Devices that receive power
A 64-bit CPU can be used either with a 32-bit or 64-bit version of the Microsoft Windows operating system.
True
Low Profile Extended (LPX) and New Low profile eXtended (NLX) are motherboard form factors known for the usage of a riser card (daughterboard) inserted into a slot near the edge of the board. The main advantage of this type of design is that expansion cards that plug into a riser card on the LPX/NLX motherboard are parallel with the board which saves space and allows for a smaller system case. True False
True
Peripheral Component Interconnect (PCI) is an example of a parallel expansion bus (and a corresponding slot type) used for attaching hardware devices (in the form of an integrated circuit or expansion card) to the motherboard inside the computer case. True False
True
The PCIe labeling (×1, ×4, ×8, ×12, ×16 and ×32) refers to the number of communication links (lanes) available in different versions of the PCIe interface. The base value (x1) relates to the speed of a single lane expressed in MB/s. The multiplier (x) allows for easy calculation of the maximum throughput of the entire interface for a given PCIe variant. True False
True
The main functionality of the Basic Input/Output System (BIOS) is to perform the initial hardware checks after the computer is powered on and start up the operating system. True False
True
The term "Synchronous Dynamic Random Access Memory (SDRAM)" refers to a broad category of DRAM modules that rely on the signal sent by the system clock in order to coordinate their functioning with other internal PC components. True False
True
Which of the following terms refers to a technology that allows for storing passwords, certificates, or encryption keys in a hardware chip?
Trusted Platform Module (TPM)
A special-purpose memory type used by graphics controllers is known as:
VRAM
A set of Intel CPU hardware enhancements improving support for virtualization is known as:
VT-x
The speed of the system bus is measured in
clock cycles
In computer architecture, the term "bus" describes a system of
communication paths used to connect computer components and transfer data between them
A type of media used as a secondary system storage in tablets and mobile phones is known as:
eMMC
BD-RE discs can be
erased and written to multiple times
BD-R discs can be written to
once
A serial bus transmits data
sequentially one bit at a time over a single communication channel
