Module 4 Quizzes Flashcards
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
What allows you to give anyone control of your desktop through an email invitation?
Remote assistance
Phone lines have a speed based on a unit called a _______, which is one cycle per second.
Baud
What is a virtualization product that works on macOS?
Parallels Desktop
Virtualization occurs when a _____________ running specialized software creates environments within unique single files that ______________ other computers.
Single computer; replicates
What important benefit of virtualization provide significant cost savings in utility usage?
Power savings
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
Marketed as and now generally excepted as a true 4G technology, LTE networks feature theoretical speeds up to _________ download and 100 Mbps upload?
1 Gbps
Hyper-V is a part of which distribution?
Windows 10
What company makes ESXi?
VMware
Many computers can share a smaller pool of routable IP addresses with ____________.
DNAT
What does the abbreviation IaaS stand for?
Infrastructure as a service
The Integrated Services Digital Network (ISDN) sends telephone transmissions across what type of lines?
Digital
What is a popular VMM in the Linux world?
KVM
Apart from hardware virtualization support, the second concern is ____________.
RAM
A physical system that runs specialized virtualization software is called a(n) _________.
Host
How many physical lines does the basic rate interface (BRI) set up use?
One
VMware’s ESXI is an example of a(n) __________.
Bare-metal hypervisor
What allows you to make voice calls over a computer network?
VoIP
Intel’s VT-x and AMD’s AMD–V are examples of ___________.
Hardware virtualization support
Virtual environments are stored as ___________.
A set of files
What is another term for a snapshot?
Checkpoint
Software or hardware that converts the commands to and from the host machine into an entirely different platform is known as an _____________.
Emulator
Consolidating a system’s physical and time resources is known as __________.
Resource pooling
A point in time back up of a virtual machine it’s called a __________.
Snapshot
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
Every tier 1 and tier 2 provider leases connections to the Internet to companies called __________.
ISPs
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 virtual versions, so that you can easily have the same version of every file in multiple places (desktop, laptop, online).
Synchronization apps
Tier 1 providers own long distance, high-speed fiber optic networks called _______.
Backbones
I’ll web browsers use the _______.
Hypertext transfer protocol (HTTP)
