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Wewaii [24]
2 years ago
9

Hank is the network administrator responsible for managing the web server cluster for an e-commerce company. He’s worried about

failover and load-balancing. He would like to use all the servers in the cluster to accomplish load-balancing. What would best accomplish this?
Computers and Technology
1 answer:
statuscvo [17]2 years ago
3 0

Answer: ....

If one load balancer fails, the secondary picks up the failure and becomes active. They have a heartbeat link between them that monitors status. If all load balancers fail (or are accidentally misconfigured), servers down-stream are knocked offline until the problem is resolved, or you manually route around them.

Explanation:

Load balancing is a technique of distributing your requests over a network when your server is maxing out the CPU or disk or database IO rate. The objective of load balancing is optimizing resource use and minimizing response time, thereby avoiding overburden of any one of the resources.

The goal of failover is the ability to continue the work of a particular network component or the whole server, by another, should the first one fail. Failover allows you to perform maintenance of individual servers or nodes, without any interruption of your services.

It is important to note that load balancing and failover systems may not be the same, but they go hand in hand in helping you achieve high availability.

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In cell I8, enter a nested logical function to display Need to Remodel if the apartment is unoccupied (No) AND was last remodele
galina1969 [7]

Answer:

The Function is given as

=IF(AND(E8="No",G8>10),"Need to remodel","No Change")

Explanation:

The syntax of the IF condition in excel is given as

IF(Test,If true,If false)

So here the test is an and component such that the house has to be unoccupied which is indicated as E8 because the E column contain the occupancy of the apartments, and the G8 is the last remodeling time, so the test statement is the AND operation of the conditions as

E8="No" indicating that house is unoccupied

G8>10 indicating that the last remodelling was more that 10 years ago

So the test is given as

AND(E8="No",G8>10)

Now the statement if the test true is the recommendation for to remodel, so

"Need to remodel"

Now the statement if the test is false is given as

"No Change"

So the overall function becomes

=IF(AND(E8="No",G8>10),"Need to remodel","No Change")

3 0
2 years ago
Richman Investments is an investment and consulting firm. Richman wants to expand its business operations both in the U.S. and i
Alika [10]

Answer:

All these can be done using PKI.

Explanation:

PKI or the private key infrastructure is a new way to encrypt the data transfer or the retrieval along with the network among various terminals. The communication can be single node, hierarchical, bridge, mesh and hybrid. In the case of mesh, the connection can be established between each terminal. However, the connection can be established in between each pair via a network which can be a private network or it can be via the internet. However, the channel is required to be encrypted, or else the data can be hacked and attacks like a man in the middle attacks are quite on cards certainly. And this can be done using the PKI, which can be installed using the Certificate Authority and Public-private key pair generator. Suppose a connection is to be established between each node. And for this, you need to generate the certificate, which is generated by the Certificate Authority. And this is generally a third party like Godaddy, Verisign, etc. You can make use of the CSFFL as well. The free certificate authority Let’s Encrypt makes use of the CSFFL. And you must be using a web server as well like Apache that comes with services like OpenSSL that can be used to generate the certificate, and you can have your root Certificate Authority. That issues the certificate to the issuing certificate authority and the issuing certificate authority after registration confirmation by a person or a Robot, issues the certificate to the node which is requesting access to another node. And this certificate has the personal details of the requesting node and information about the webserver or node to which the requesting node is opting for a secure connection. The Certificate, when received by the webserver, is then matched with the certificate copy kept at the Root Certificate Authority. These days we also have the certificate revocation authority and Google has come up with Certificate transparency. So we can build our certificate authority, or we can have online certificate authority. These certificates also have the digital signature, which can be decrypted via the private key that is kept with the sender. The public key is sent to the certificate authority, and it decrypts it with the public key. And certificates are distributed among various types of trusts, which can be single, hierarchical, bridge, mesh and hybrid.  And for each application, we have different certificates. Thus issues like non-repudiation, check over unauthorized access, restrict access to the resources, etc, can be ensured with the help of the PKI. And thus, we can secure the whole network at various levels like application level, transport-level, etc. Also, the company network can be bridged with the client or the business partner company if required using bridge level trust. However, we can also have a hierarchical level of trust. And thus we can secure the network using PKI and also confirm all the issues mentioned in the question are resolved. However, certificates are also being generated by Windows server 2012, and we can make use of it as well.

5 0
2 years ago
Convert one billion byte into one storage unit​
notka56 [123]

Answer:

Explanation:

To convert larger units to smaller units (i.e. take a number of gigabytes and convert it down in to megabytes, kilobytes, or bytes) you simply multiply the original number by 1,024 for each unit size along the way to the final desired unit

7 0
2 years ago
What is earning potential?
Natalka [10]

Answer:

Earning potential often refers to the top salary for a particular field or profession. In the finance world, the meaning is not much different: earning potential is the biggest profit a company could potentially make.

Explanation:

Earning potential often refers to the top salary for a particular field or profession. In the finance world, the meaning is not much different: earning potential is the biggest profit a company could potentially make.

4 0
3 years ago
Select the correct answer.
BigorU [14]

Answer:

A

Explanation:

This Information involves informing the young youth about adult and mature life

5 0
3 years ago
Read 2 more answers
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