Welcome to CertBlaster! In This session we will look at the multiple choice single answer
question type and strategies you can use to increase your chances of success by weeding
out the bad responses. Start by carefully examining them to weed out the unnecessary
and distracting content to make the correct response a little easier to identify.
Here is your first question Which would represent the most basic SOHO
WAP configuration? It is not the recommended configuration, but is usually how a consumer
would receive their router to set it up “out of the box”.
Open WEP
WPS-PSK WPA PSK
As you look at your options essentially what you are looking for is the easiest way in
to the router. WEP was once all you’d ever need in terms of security, it delivers Wired
Equivalent Privacy. Today’s computational horsepower can crack a WEP passphrase in minutes,
as opposed to hours or days it once took, but it is still better than nothing.
WPS-PSK Wireless Protected setup Pre Shared Key is adequate in a SOHO environment, but
remember we’re looking for the easy way in.
WPA-PSK Wireless Protected Access Pre Shared Key is the most secure of all and therefore
the least likely choice. And there you have it one choice left standing.
Open as the name implies - is! The SSID will be broadcast and the password is a simple
widely known password like “admin”. The router manufacturers’ initial concern
is that the user be able to connect to and perform the initial router configuration.
The initial configuration is done using a direct Ethernet connection between a computer
and the router. T All the questions should be that simple. They’re
not but many are close if you deductively reason away the junk.
Here is your next question A user in the graphic arts department is reporting
network dropouts, they have an intermittent, all or nothing connection. You find this unusual
because the company has just upgraded from 10BASE-T to Fiber to the desktop for the graphic
arts department. The rest of the workstations in the area are working optimally. You test
the connection on the workstation cable and wall jack and they are good. Tracing the connection
back to the wiring closet you find 15 ft. of excess cable tightly coiled and labeled
with this workstations jack number hanging on the wall behind the rack.
What do you think the problem is?
There should be no excess cable The cable is wrapped too tightly, exceeding
the bend radius The cable exceeds the maximum length
None of these is a problem
There should be no excess cable (There should be some slack, but not 15 feet)
None of these is a problem (keep looking) The cable exceeds the maximum length (The
cable length issue can be ruled out because the fiber optic cable replaced 10BASE-T cable
that operates over shorter distances) The cable is wrapped too tightly, exceeding
the bend radius. This is correct. Explanation: Fiber optic cable is the backbone
of todays most advanced communication networks. For all of the advancements it does have one
obstacle it can’t overcome, the signal path. The light must have an unobstructed signal
path. What this means to an installer or technician is that typically the cable will lose light
or become impaired if the cable is kinked or bent past a minimum radius determined by
the thickness. Typically this is 15 times the cable diameter. In this particular case
the tightly coiled cable is the most obvious problem.
Here is the last one You are the new network technician hired recently
by a mid-sized insurance company. During discussions with your network admin about your job responsibilities,
the subject of installing updates and patches on system servers and workstations arises.
Your discussion goes on to cover different types of updates, service packs and hot fixes.
Which of the following updates do you agree can be installed automatically without your
consent or evaluation?
Service packs from Microsoft Hotfixes
Signature updates for anti-malware software Security patches
Explanation: All of the items listed are essential to keep your systems up to date and safe.
However a service pack should be tested on non-mission critical hardware to make sure
no abnormalities are introduced. They are applied case by case. The same level of care
should be applies to hotfixes and security patches. The exception to this precaution
would be your anti-virus and anti-malware software. These are independent programs that
require frequent updating and are not capable of causing system problems when their signatures
are updated.
Hopefully this video helps you apply deductive reasoning to challenging questions. Remember,
knowing what something isn’t is often as valuable as knowing what it is! You can always
check our site at www.certblaster.com for more learning resources and subscribe to our
YouTube channel for more videos like this. Good luck!