CET 1179 A+ Midterm Exam
A Windows command switch is expressed by using which character?
/
What character represents the root of a Linux file system?
/
Marketed as and now generally accepted as a true 4G technology, LTE networks feature theoretical speeds of up to ______________ download and 100 Mbps upload?
1 Gbps
How wide are all equipment racks?
19 inches
At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?
2.4 GHz
Average LCD panels are around _______________, which most monitor authorities consider excellent brightness.
300 nits
How long is a MAC address?
48 bits
A device that goes into a 7-inch space is called a _______________.
4U
At what frequency range does the 802.11a-based wireless technology operate?
5 GHz
Most fiber Ethernet networks use _______________ multimode fiber optic cable.
62.5/125
A Windows stop error is better known as the _______________.
Blue Screen of Death
In Windows, hard drive partitions are usually start with the letter _______________.
C:
What is another term for a snapshot?
Checkpoint
An application particularly relies on which type of files?
DLL
Many computers can share a smaller pool of routable IP addresses with _______________.
DNAT
The Integrated Services Digital Network (ISDN) sends telephone transmissions across what type of lines?
Digital
What is another name for a folder?
Directory
In Compatibility mode which setting turns off automatic resizing of a program's windows?
Disable display scaling on high DPI settings
Digital Equipment, Intel, and Xerox invented the first network in the mid-1970s and created what eventually became _______________.
Ethernet
The part of a filename following the period (.) is called the _______________.
Extension
How many binary characters are represented by one hexadecimal character?
Four
Some projectors use a connection technology called _______________ that enables long-range connectivity for uncompressed HD video and audio over Cat 5a or Cat 6 network cables.
HDBaseT
Every Tier 1 and Tier 2 provider leases connections to the Internet to companies called ______________.
Internet service providers (ISPs)
If you hear a hissing sound coming from the LCD, which component is most likely about to fail?
Inverter
What is a popular VMM in the Linux world?
KVM
What device turns digital data into an analog signal for sending it over the telephone line, and then turns it back into digital data when it reaches the other end of the connection?
Modem
How many physical lines does the Basic Rate Interface (BRI) setup use?
One
What is a virtualization product that works on macOS?
Parallels Desktop
What important benefit of virtualization provides significant cost savings in utility usage?
Power savings
Apart from hardware virtualization support, the second concern is _______________.
RAM
Like any other processor, a graphics processor needs _______________.
RAM
What allows you to give anyone control of your desktop through an e-mail invitation?
Remote Assistance
The term virtual desktop commonly refers to the multiple desktop environments you can access in modern operating systems, such as clicking the _______________ in Windows 10 and going to a second desktop.
Task View icon
After entering IPCONFIG at a command prompt, you notice you are using an IP address in the 169.254.0.1 to 169.254.255.254 address range. What is most likely explanation for being assigned one of these addresses?
The DHCP server is down.
How are MAC addresses represented?
Using 12 hexadecimal characters
What company makes ESXi?
VMware
Hyper-V is a part of which distribution?
Windows 10
The Action Center is found in which version of Windows?
Windows 7/8/8.1
If you insert a software disc or USB drive, which file does Windows look for automatically?
autorun.inf
Virtualization occurs when a ________________ running specialized software creates environments within unique single files that _______________ other computers.
single computer; replicate
A point-in-time backup of a virtual machine is called a _______________.
snapshot
The command-line interface tells a user that it's ready to receive commands by displaying a specific set of characters called a(n) _______________.
prompt
What Linux command displays the current working directory?
pwd
Using Cloud-based features, you can easily expand the number of servers, even spread them out geographically, with just a click of the switch. This ability is called _______________.
rapid elasticity
Tier 1 providers own long-distance, high-speed fiber-optic networks called ______________.
backbones
VMware's ESXi is an example of a(n) _______________.
bare-metal hypervisor
Phone lines have a speed based on a unit called a ______________, which is one cycle per second.
baud
A MAC address is a(n) _______________ number.
binary
A good patch cable should include a _______________.
boot
What are the two critical boot files that risk corruption in Windows?
bootmgr and bcd
A LAN is almost always a _______________.
broadcast domain
A color LCD screen is composed of a large number of tiny liquid crystal molecules, called _______________, arranged in rows and columns between polarizing filters.
sub-pixels
A folder inside another folder is called a(n) _______________.
subfolder
Cloud file storage services, like Dropbox and Box allow people to move to the cloud for some of their storage needs. These services include _______________ with their desktop versions, so that you can easily have the same version of every file in multiple places (desktop, laptop, online).
synchronization apps
Early LCD backlights use _______________ technology, popular for its low power use, even brightness, and long life.
cold cathode fluorescent lamp
A text-based user interface, in which users type in instructions at a prompt, is also known as a _______________ interface.
command-line
The standard copy/move commands can work on only one _______________ at a time.
directory
A(n) _______________ is a network organization that centralizes user accounts, passwords, and access to resources.
domain
In older Windows versions, the filename was restricted to _______________ characters.
eight
Software or hardware that converts the commands to and from the host machine into an entirely different platform is known as a(n) ________________.
emulator
System Protection falls under the category of _______________ software.
file recovery
1000BaseT needs all _______________ pairs of wires in CAT 5e and higher cables.
four
Data is moved from one PC to another in discrete chunks called _______________.
frames
Intel's VT-x and AMD's AMD-V are examples of _______________.
hardware virtualization support
A physical system that runs specialized virtualization software is called a(n) ________________.
host
The _______________ command at the Bash or Terminal shell enables you to terminate running programs in Linux or macOS, just like the tools in Command or PowerShell.
kill
Network technologies that use _______________ light use single-mode fiber optic cabling.
laser
A pixel that is stuck on pure white is known as a(n) _______________ pixel.
lit
A _______________ is the amount of light given off by a light source from a certain angle that is perceived by the human eye.
lumen
What Linux command describes the syntax and options of a specific command?
man
What Linux command is used to create a new directory?
mkdir
Network people call anything that one computer might share with another a _______________.
resource
Consolidating a system's physical and time resources is known as ________________.
resource pooling
On a Linux system it is considered bad manners to create files and folders in the _______________ directory.
root
A file not within a subfolder is said to be in the _______________.
root directory
Higher-end monitors are capable of _______________ color, meaning the monitor can display _______________ color variations per channel.
10-bit, 1024
How do you represent the hexadecimal value A in binary?
1010
All Web browsers use the _______________.
Hypertext Transfer Protocol (HTTP)
What does the abbreviation IaaS stand for?
Infrastructure as a service
A Workgroup shares folders over the network. What does a Homegroup share?
Libraries
All network interfaces cards (NICs) have a(n) _______________ "burned" into them.
MAC address
A common way to access the command-line interface in Windows is through the _______________.
Start Menu
What allows you to make voice calls over a computer network?
VoIP
What feature enables you to copy a file that is in use?
Volume Shadow Copy Service
In the Windows command-line syntax, a directory is referred to by which character(s)?
\
Virtual environments are stored as _______________.
a set of files
The file's _______________ indicates what type of program uses the data by looking at the _______________.
association; extension
One nit is equivalent to _______________.
one candela/m2
The exact location of a file is called its _______________.
path
Every 3-D game stores a number of image files called _______________.
textures
The 10BaseT and 100BaseT standards require _______________ pairs of wires.
two
A true 3-D object is composed of a group of points called _______________.
vertices
RJ-45 is visibly much _______________ than RJ-11.
wider
What Windows command can be used to copy entire directories, including subdirectories?
xcopy
In macOS and Linux, what is the shorthand character that represents a user's home directory?
~
