Tech Quiz
Which of the following is true about fiber optic media? Select one or more: - It is not susceptible to electro-magnetic interference - It cannot support high bandwidth - It requires line-of-sight - It is not susceptible to radio frequency interference
- It is not susceptible to electro-magnetic interference - It is not susceptible to radio frequency interference
Match the description to the network media type. - Widely used, flexible, reliable, low cost. - Very high bandwidth and invulnerable to radio frequency interference (RFI) and electro-magnetic interference (EMI). - High bandwidth but requires line-of-sight transmission, and can suffer time lags, depending upon distance the signal must travel.
- broadband over power lines - fiber optic cable - microwave
Which is faster ? Select one: 2000 megahertz 1.5 gigahertz 5000 kilohertz
2000 megahertz
In a personal computer, there are ___ bits in a byte.
8
There are two general categories of software: system software and _____________ software
Application
A bit may contain the value of 0, 1, or 8. Select one: True False
False
Bandwidth is expressed in bytes per second (bps) or some multiple like Kbps, Mbps, Gbps, etc. Select one: True False
False
HTML is the language used to define web pages. The language is composed of "tags" using "[" and "]" to format text, create links, and locate graphics. Select one: True False
False
HTTP is the language used to define web pages. The language is composed of "tags" using "<" and ">" to format text, create links, and locate graphics. Select one: True False
False
RAM is the "brain" of a computer. Select one: True False
False
Since data on hard drives can be so easily erased and rewritten, hard drives are considered "volatile" storage devices. Select one: True False
False
The Internet is one type of traffic found on the World Wide Web. Select one: True False
False
To participate in P2P file sharing, you must own a dedicated file server connected to the Internet. Select one: True False
False
While useful for USB drives and digital cameras, solid state flash memory does not have adequate capacity or transfer speed to replace magnetic storage hard drives for computers. Select one: True False
False
Wireless standard that uses 5 GHz frequency and can obtain speeds up to 54 Mbps. Limited range. Rarely sold new, but still found in many installations. Select one: IEEE 802.11b IEEE 802.11g IEEE 802.11n Bluetooth IEEE 802.11a
IEEE 802.11a
Wireless standard that uses 2.4 GHz frequency and can obtain speeds up to 11 Mbps. Older standard, but still widely used and compatible with more recently sold standards. Select one: Bluetooth IEEE 802.11n IEEE 802.11a IEEE 802.11b IEEE 802.11g
IEEE 802.11b
Wireless standard that uses 2.4 GHz frequency and can obtain speeds up to 54 Mbps. Currently most widely implemented wireless network standard. Select one: IEEE 802.11a IEEE 802.11n IEEE 802.11b IEEE 802.11g Bluetooth
IEEE 802.11g
Wireless standard that uses 2.4 GHz frequency and can obtain speeds up to 54 Mbps. Currently most widely implemented wireless network standard. Select one: IEEE 802.11a IEEE 802.11g IEEE 802.11n Bluetooth IEEE 802.11b
IEEE 802.11n
WiMax is an example of a: Select one: PAN MAN WAN LAN
LAN
A ____ is a network specifically designed and maintained for the storage and transfer of data between servers and storage devices. It may include both ____ and ____ devices. Select one: RAID, NAS, SAN DAS, SAN, NAS NAS, SAN, DAS SAN, NAS, DAS
NAS, SAN, DAS
Which of the following lists network categories in the order of smallest geography covered to largest geography covered? Select one: LAN, MAN, PAN, WAN WAN, LAN, MAN, PAN You cannot distinguish these networks based on geographic areas covered None of these PAN, MAN, LAN, WAN
None of these
Your network needs more storage capacity. You purchase an external hard drive that you then attach to your network server using an external port such as USB or Firewire. This is an example of a[n]: Select one: DAS RAID NAS SAN
SAN??
A computer's CPU is typically attached to the motherboard. Select one: True False
True
A computer's motherboard typically has card slots which can be used to attach network cards, video cards, and other specialized circuitry. Select one: True False
True
A network in which no single computer has special status or function is called a peer-to-peer network. Select one: True False
True
DVDs hold more information than CDs. Select one: True False
True
HTML is the language used to define web pages. The language is composed of "tags" using "<" and ">" to format text, create links, and locate graphics. Select one: True False
True
HTML stands for "hypertext markup language." Select one: True False
True
Microsoft Word is an example of application software. Select one: True False
True
The World Wide Web is one type of information traffic found on the Internet. Select one: True False
True
The clock speed of a CPU is measured in "hertz" which means "cycles per second." Select one: True False
True
The protocols used to send information between web servers and web browsers can actually be used to exchange information without being connected to the Internet (assuming, say, the browser and the server are on the same local area network). Select one: True False
True
Windows 7 is an example of system software. Select one: True False
True
You do not own a copy of Microsoft Office. (Think about it.) Select one: True False
True
Which of the following lists network categories in the order of largest geography covered to smallest geography covered? Select one: None of these You cannot distinguish these networks based on geographic areas covered PAN, MAN, LAN, WAN WAN, MAN, LAN, PAN LAN, MAN, PAN, WAN
WAN, MAN, LAN, PAN
Object code is created by a/an ________. Select one: a. compiler b. interpreter c. debugger d. programmer
a. compiler
Object code is created by a/an ________. Select one: a. compiler b. programmer c. interpreter d. debugger
a. compiler
Which is larger: 700 megabytes, half a gigabyte, 5000 kilobytes? Select one: a. 5000 kilobytes b. 700 megabyte c. half a gigabyte
b. 700 megabyte
Assembly language is considered _______ generation computer language. Select one: a. third b. second c. first d. fourth e. fifth
b. second
Bandwidth is typically expressed in ________ per second
bits
A device that connects two networks using the same protocols together. Select one: hub modem router repeater bridge NIC switch none of these
bridge
Which is smallest? Select one: a. 400 megabytes b. 1/2 gigabyte c. 7000 kilobytes
c. 7000 kilobytes
Parallel processing is used in which type of computer? Select one: a. mainframe b. midrange c. supercomputer d. microcomputer
c. supercomputer
A personal computer's CPU consists of: Select one: none of the these ROM and RAM all of these control unit and arithmetic logic unit hard drive and memory
control unit and arithmetic logic unit
A personal computer's CPU consists of: Select one: none of the these all of these hard drive and memory control unit and arithmetic logic unit ROM and RAM
control unit and arithmetic logic unit
When you type "www.acme.com" in your web browser, a specialized system on the Internet directs you to the website for the Acme Corporation. This system is called the _____. Select one: IP address domain name service digital notation system web locator utility
domain name service
Internet system that translates domain names (like "cnn.com") into IP addresses and helps route webpage requests. Select one: URL http HTML domain name system RSS https
domain name system (DNS)
A/an _______ is software that allows the operating system to control a specific device (like a printer, scanner, hard drive, etc.). Select one: compiler driver applet utility
driver
A/an _______ is software that allows the operating system to control a specific device (like a printer, scanner, hard drive, etc.). Select one: utility driver applet compiler
driver
A device that helps data packets efficiently find their way through a network. It can also block packets, thus serving as a firewall. Select one: a. NIC b. hub c. repeater d. none of these e. router f. switch g. modem h. bridge
e. router
Machine language is considered _______ generation computer language. Select one: fifth third second first fourth
first
Which of the following storage technologies are typically used in USB drives and digital cameras? Select one: optical media none of these magnetic media flash memory / solid state memory
flash memory / solid state memory
Communications protocol used to transport webpages over the Internet. Select one: URL http HTML TCP/IP RSS
http
Large and powerful computers frequently used by large corporations for high volume business transactions. Select one: mainframe midrange or minicomputer workstation personal digital assistant microcomputer or personal computer notebook or laptop supercomputer
mainframe
Large and powerful computers frequently used by large corporations for high volume business transactions. Select one: notebook or laptop workstation microcomputer or personal computer supercomputer midrange or minicomputer personal digital assistant mainframe
mainframe
Which networking media requires "line-of-sight" between transmitter and receiver? Select one: fiber optics coax cable microwave twisted pair
microwave??
A device that converts digital signals to/from analog signals for transmission over telephone lines. Select one: NIC hub switch modem bridge none of these repeater router
modem
The Internet is owned and controlled by: the United Nations none of these the United States Network Service Providers (NSPs) Internet Service Providers (ISPs)
none of these
The first content published on the WWW was: Select one: top secret military information cat videos physics research e-commerce websites
physics research
The Internet "backbone" (the high bandwidth communications lines that connect different parts of the country and the world) is provided by: Select one or more: hobbyists private companies governmental agencies a United Nations agency
private companies governmental agencies
Source code is created by a/an ________. Select one: programmer interpreter compiler debugger
programmer
Software has no copyright restrictions and may be freely copied and distributed. Software developed by the government using tax funds is often distributed under this category. Select one: commercial license freeware site license concurrent-use demoware public doman shareware open source
public doman
Copyright is clearly held, but software may be freely distributed at no cost. Select one: site license public doman demoware open source commercial license freeware concurrent-use shareware
public doman??
Software has no copyright restrictions and may be freely copied and distributed. Software developed by the government using tax funds is often distributed under this category. Select one: open source freeware public doman demoware concurrent-use shareware site license commercial license
public doman??
A device that amplifies or regenerates signals so they do not become weak or distorted. Select one: bridge switch hub NIC router modem repeater
repeater
The protocols of the World Wide Web were first implemented in _____. Select one: the early 2000s after the Y2K crisis had ended. none of these the last years of WW II. the mid-1960s. the early 1990s
the early 1990s
Clock speed refers to: Select one: the speed at which data moves in and out of RAM. how well the computer keeps time. how fast the hard drive starts up when the computer is turned on. the speed in cycles per second at which the CPU processes data.
the speed in cycles per second at which the CPU processes data.
Clock speed refers to: Select one: the speed at which data moves in and out of RAM. the speed in cycles per second at which the CPU processes data. how well the computer keeps time. how fast the hard drive starts up when the computer is turned on.
the speed in cycles per second at which the CPU processes data.
BASIC, ForTran, COBOL, and C are examples of _______ generation computer language. Select one: fourth third first fifth second
third
Often acting as servers that provide data to many organizational users, these computers may be used by organizations of varying sizes since they are not as expensive as some classes of computer. Select one: midrange or minicomputer personal digital assistant mainframe supercomputer microcomputer or personal computer notebook or laptop workstation
workstation??
