Information Technology Reference
In-Depth Information
a. greater. degree. of. protection. against. power. cuts,. a.
backup.power.generator.should.be.considered.
URL (Uniform Resource Locator):. The.techie.term.for.the.
location.of.a.ile.or.resource.on.the.Internet..The.URL.
will. always. include. the. type. of. protocol. being. used.
(e.g.,.http.for.a.Web.page.or.ftp.for.the.address.of.a.
speciic.ile.that.is.to.be.downloaded)..An.example.of.
an.URL.is.http://www.google.com.
Users:. In. our. context,. anyone. who. is. using. a. system. or.
computer..Users.are.not.considered.to.be.technically.
competent.(otherwise.they.would.be.in.IT).and.most.
problems.are.blamed.on.the.users..In.contrast,.those.
who. administer. systems. and. networks. would. never.
consider.themselves.as.users,.despite.the.fact.that.they.
too.have.to.write.reports.and.use.ofice.programs.like.
the.rest.of.us.
Utility:. A. specialized. program. designed. for. more. technical.
users.as.a.tool,.or.set.of.tools,.for.checking.the.sys-
tem,.housekeeping,.monitoring.system.health/status,.
repairing.iles,.and.so.forth..Access.to.utility.programs.
by.nontechnical.users.should.be.restricted.
Virtual Private Network (VPN):. A. network. that. emulates.
a.private.network,.although.runs.over.public.network.
lines.and.infrastructure..Using.specialist.hardware.and.
software,.a.VPN.may.be.established.running.over.the.
Internet..The.use.of.encryption.and.a.“tunneling.pro-
tocol”.maintains.privacy..Because.public.networks.are.
used,.the.cost.of.a.VPN.is.a.fraction.of.that.of.a.tradi-
tional.private.network.
Virus:. A. form. of. malicious. code. that. is. potentially. disrup-
tive..It.may.also.be.transferred.unknowingly.from.one.
computer.to.another..The.term.
virus
.includes.all.sorts.
of.variations.on.a.theme,.including.the.nastier.variants.
of.macro-viruses,.Trojans,.and.worms,.but,.for.conve-
nience,.all.such.programs.are.classed.simply.as.
virus
.
Web Site:. An. organization's. Web. site. is. now. as. common.
as. a. business. card,. but. unlike. business. cards,. Web.
