Q1.) Define a node and a junction. Specify the law applicable at a node and give the statement of this law.

Ans. A node is that point in the circuit which has two elements of the circuit meeting.

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Whereas a junction is a point in the circuit where three or more elements of the circuits are meeting.

The elements can be active as well as passive.

The law applicable at the node is KCL.

KCL states that the algebraic sum of all the currents in a circuit is equal to zero.

The currents entering a junction is equal to the currents leaving the junction.

Q4.) Mention similarities and dissimilarities between magnetic and electrical circuits.
Ans. Similarities
Electrical Circuit Magnetic Circuit
It is a closed circuit and current(I) flows throughout the circuit. It is a closed circuit and flux(?) flows throughout the circuit.

There is flow of current
I=emf/R There is flow of flux
Here emf is the circuit driver. Here mmf is the circuit driver.

Resistance R=?*l/a Reluctance S= l/µ*a
Rs=R1+R2+R3+……. Rn Ss=S1+S2+S3+……. Sn
1/Rp=1/R1+1/R2+1/R3+…..1/Rn 1/Sp=1/S1+1/S2+1/S3+…..1/Sn
Current density J=I/a Flux density B=?/a
Electric Circuit Magnetic Circuits
The current could not flow through air. The flux can flow through air.

Current actually flows the circuit. Flux doesn’t actually flow in the magnetic circuit.

Current is reduced to zero after the removal of emf. Flux is reduced to zero after the removal of mmf.

Q2.) Two resistances of equal values when placed in parallel gives an effective resistance equal to R. What will be the effective resistance if the two resistances are connected in series?

Q3.) In the network given in Fig., determine current i.


Q1. Discuss in detail isolation amplifier in detail with diagram?
Solution: –
Isolation amplifier as the name suggest is a form of differential amplifier that provides electrical isolation and an electrical safety barrier for measuring small signals in the presence of a high common mode voltage.
They “re essentially instrumental in practical shielding purposes as they protect data acquisition components from common mode voltages ,which are potential differences between the instrument and signal grounds.In case where common mode voltage interacts with instruments without isolation amplifier ,usually a noisy representation of the signal under investigation is the final product , this is because of no restrictions on the circulation of ground currents .in case of adequate level of mode voltage for the purpose ,instrument destruction is also a likely income.
Isolation amplifier also find implementation in medicine equipment (e.g life support) to ensure isolation of a patient from the leakage current via power supply.
These are also used in shielding the amplifier and instrument as a collective unit without salvaging accuracy of measurement as it allows the front end of the amplifier to float with respect to common mode voltage ,approaching the isolation barrier ‘s breakdown voltage lying in the excess of 1000 volts at times.
These amplifiers are also used for amplifying various low level signals in varied multiple channel applications .Measurement errors due to ground loops can also be evaded .Moreover ,amplifiers with internal transformers eliminate external isolated power supply, hence effectively changing the electric regularities to the user and instrument ‘s favour. They are usually used as analogue interface between
Systems with separate grounds.
Isolation amplifiers cam also include isolated power supplies for both input output stages ,or external power supplies on each isolated portions for the above usage

Q1) Why would an administrator want to use the MAP Toolkit?

ANS – It will help a system administrator collect the necessary information of different situations of inventory scenarios. With this information, an administrator can determine which systems’ information can be used to deploy a certain type of network.

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Q2) Based on the results of the MAP inventory you performed in the lab, which operating system was installed on the TargetWindows02b server?

ANS – For this question, the possible OS are listed below, out of which you can choose the operating system was installed on the TargetWindows02b server.

Q3) Based on the results of the MAP inventory you performed in the lab, which desktop and server software was installed on the TargetWindows02b server?

ANS – Various Citrix and Microsoft .NET Framework applications

Q4) .Which tasks, other than the ones performed in this exercise, can administrators use the MAP Toolkit to perform?

run server consolidation wizard
create hardware configuration
collect performance data
Q5) Which utility is used to transform a standalone Windows Server 2012 R2 system into an Active Directory domain controller?

ANS – dcpromo

Q6) What is the importance of SafeModeAdministratorPassword when using PowerShell to install and configure Active Directory?

The -SafeModeAdministratorPassword parameter sets the recovery password. Once you set this password here Windows will finish the AD installation and configuration on your Windows Server based on the input provided.


install-addsforest -domainname DomainName -DomainMode DomMode
-ForestMode ForMode
-CreateDNSDelegation -installdns -SafeModeAdministratorPassword Password

install-addsforest -domainname cpandl.com -DomainMode Win2012
-ForestMode Win2012
(convertto-securestring “Str!F#789” -asplaintext)
Q7) What considerations should you take into account when choosing a domain name?

Make it easy to type – Finding a domain name that’s easy to type is critical to online success. If you use slang (u instead of you) or words with multiple spellings (express vs. xpress), it might be harder for customers to find your site.
Keep it short – If your domain name is long and complex, you risk customers mistyping or misspelling it. Short and simple is the way to go.

Use keywords – Try using keywords that describe your business and the services you offer. It helps improve your rank on search engines (which increases traffic) and just makes more sense to your customers.

Be memorable – There are millions of registered domain names, so having a domain that’s catchy and memorable is essential. Once you’ve come up with a name, share it with close friends to make sure it sounds appealing and makes sense to others

Use an appropriate domain name extension – Extensions are suffixes, such as .com or .net, at the end of web addresses. These can have specific uses, so make sure to choose one that works for your business. The .com domain extension is far and away the most popular, but it can be tough to get a short and memorable .com domain name because it’s been around for so long. And here are some other top extensions and how they’re often used:

.co : an abbreviation for company, commerce, and community.
.info : informational sites.
.net : technical, Internet infrastructure sites.
.org : non-commercial organizations and nonprofits.
.biz : business or commercial use, like e-commerce sites.
.me : blogs, resumes or personal sites.
Research it – Make sure the name you’ve selected isn’t trademarked, copyrighted or being used by another company. It could result in a huge legal mess that could cost you a fortune, as well as your domain!

Protect and build your brand – To protect your brand, you should purchase various domain extensions, as well as misspelled versions of your domain name. This prevents competitors from registering other versions and ensures your customers are directed to your website, even if they mistype it


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