Assessment test questions (1) Flashcards
hich of the following is not considered a system component that can be found inside a computer?
CPU
PCIe graphics adapter
Motherboard
PCIe graphics adapter
System components are essential for the basic functionality of a computer system. Many of the landmarks found on the motherboard can be considered system components, even expansion slots, to a degree. What you plug into those slots, however, must be considered peripheral to the basic operation of the system
Which of the following is a physical memory format installed directly in today’s desktop computer systems?
DIMM
HDD
SSD
DIMM
DIMMs are a type of memory module. HDD is a hard drive, and SSD is a solid-state drive—both are for permanent long-term storage. RAM is what memory is called, but it is not a physical memory format
Which of the following are components that can commonly be found on a motherboard? (Choose all that apply.)
Slots
Fan connectors
Gyroscope
Scanner
HDD
Slots
Fan connectors
Motherboards commonly have RAM slots and expansion slots. Older motherboards even had CPU slots. Modern motherboards have connectors for powering cooling fans. Gyroscopes are most commonly found in mobile devices. Scanners are external devices. Although there might be one or more types of HDD interfaces built into the motherboard, the HDD itself is not
You are buying optical discs and need to ensure that they have a large capacity. What suffix indicates that the capacity of an optical disc is roughly twice that of its standard counterpart?
DL
R
RW
DL
DL stands for double (or dual) layer. With DVDs, the capacity almost doubles, but with Blu-ray Discs, it actually does. R means recordable, and RW and RE are used to designate re-writeable or re-recordable, respectively
You are replacing a power supply with a new one. What is the name of the standard power connector that has been used with larger hard drives since the first IBM personal computers were introduced?
AT system connector
Berg
Molex
Molex
The standard peripheral power connector, or Molex connector, is commonly used on larger drives because it allows more current to flow to the drive than smaller peripheral connectors. AT and ATX system connectors are used to connect the power supply to the motherboard. A Berg connector was used for floppy disk drives
A user has asked you to install a RAID array. Except in the case of RAID 0, which two things do all types of RAID offer? (Choose two.)
Faster read speeds
Faster write speeds
Redundancy
Fault tolerance
Ability to restore automatically from tape after a drive failure
Redundancy
Fault tolerance
Except for RAID 0, all implementations of RAID offer a way to recover from the failure of at least one drive, which is an example of fault tolerance, through the implementation of some mechanism that stores redundant information for that purpose. Some RAID types offer faster read and/or write performance. RAID 1, for instance, does not guarantee either
The _____________ is the measurement of the number of pixels an LCD monitor can display without the image appearing distorted.
Native resolution
Contrast ratio
Maximum resolution
Native resolution
The native resolution refers to how many pixels an LCD screen can display (across and down) without distortion. The native resolution is based on the placement of the actual transistors that create the image by twisting the liquid crystals. The contrast ratio is the measurement between the darkest color and the lightest color that an LCD screen can display. Monitors do not measure contrast ratio. Aspect ratio measures the width of the image versus its height
Which of the following video connectors has an analog variety and a digital variety?
VGA
HDMI
DVI
DVI
DVI comes in both analog (DVI-A) and digital (DVI-D) varieties. VGA is always analog, HDMI and DisplayPort are always digital
Which of the following connectors will you not find on the end of a USB cable? (Choose two.)
Lightning
USB-C
Molex
DB-9
eSATA
Molex
DB-9
USB cables are multipurpose cables that connect many types of peripherals. Connectors include USB-C, Lightning, and eSATA. Molex connectors provide power to PATA hard drives and optical drives. A DB-9 connector is found on the end of a serial cable
Which of the following is a standard computer that can access resources locally as well as from servers but requires no specialized enhancements?
Gaming PC
Thin client
Thick client
Thick client
A thick client is any computer system with a standard configuration. The gaming PC has enhancements over thick clients to their CPU, video, audio, and cooling. The NAS (network-attached storage) must have specialized capabilities and services along with a faster NIC than the thick client and a RAID array. The thin client is a lesser device in comparison to the thick client, but that cost-saving feature is its enhancement. These less expensive computers can connect over the network to servers for their operating system images and applications
Which of the following is a requirement for virtualization workstations?
Enhanced audio
Maximum RAM and CPU cores
A RAID array
Maximum RAM and CPU cores
Virtualization workstations require more RAM than standard systems and need to be equipped with as many multicore processors as possible. Video and audio are not resources that need to be enhanced for such workstations. Although a RAID array is a wise addition whenever a NAS with valuable information is involved, a virtualization workstation does not require one
Which of the following is not a requirement for a NAS?
Dual monitors
File sharing services
Gigabit NIC
Dual monitors
Dual monitors are not required for a network-attached storage (NAS) device; it might not even use a monitor. A NAS will use file sharing and benefit from a Gigabit NIC and RAID array
What is the function of the laser in a laser printer?
It charges the paper so that it will attract toner.
It creates an image of the page on the drum.
It cleans the drum before a page is printed.
It creates an image of the page on the drum.
The laser creates an image on the photosensitive drum that is then transferred to the paper by the transfer corona. The fuser heats up the toner so that it adheres to the page. The transfer corona charges the page, and the eraser lamp cleans the drum before a page is printed. A rubber blade is also used to remove toner physically from the drum
What is the component called that stores the material that ends up printed to the page by a laser printer?
Toner cartridge
Ink cartridge
Laser cartridge
Toner cartridge
Laser printers use toner, which they melt to the page in the image of the text and graphics being printed. A toner cartridge holds the fine toner dust until it is used in the printing process
Which service was created by Apple to allow iPhones and iPads to print without installing printer drivers?
Bonjour
AirPrint
iPrint
AirPrint
AirPrint was created by Apple to let iPhones and iPads print without installing a printer driver
Which network connectivity device stops broadcasts from being sent to computers on a different network segment?
Hub
Switch
Router
Router
A router does not pass along broadcasts to computers on other segments. Hubs and switches send broadcasts along because they do not segment traffic at the logical network address level
Which of the following cable types is made with a plastic coating that does not produce toxic fumes when it burns?
Plenum
Fiber
Coaxial
Plenum
The plenum is an air space within buildings used to circulate breathable air for occupants of a building. Fiber, coaxial, and UTP cables are normally enclosed with a PVC plastic coating, which produces toxic fumes when burned. For air ventilation spaces, plenum-grade cable is required. All cable types have plenum-rated versions
Which of the following are standards used by coaxial cable? (Choose two.)
RG-6
RG-59
RJ-11
RJ-45
RG-6
RG-59’
RG-6 and RG-59 are coaxial cable standards. RJ-11 and RJ-45 are connectors used with twisted-pair cabling
On which port does FTP run by default?
21
25
53
21
FTP operates on ports 20 and 21. Port 25 is used by SMTP, port 53 by DNS, and port 80 by HTTP
Which of the following protocols can be used by a client to access email on a server?
FTP
SMTP
IMAP
IMAP
The IMAP and POP3 protocols can be used to retrieve email from mail servers. DNS is used to resolve host names to IP addresses. FTP is for file transfers, and SMTP is used to send email
Which of the following protocols provide secure network transmissions? (Choose two.)
SMTP
SNMP
SSH
HTTPS
SSH
HTTPS
Secure Shell (SSH) and Hypertext Transfer Protocol Secure (HTTPS) are both secure transport protocols. Simple Network Management Protocol (SNMP) and Simple Mail Transfer Protocol (SMTP) are not inherently secure
