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masya89 [10]
3 years ago
12

What's the drawback of using Screened Subnet (DMZ)?

Computers and Technology
1 answer:
lesantik [10]3 years ago
4 0

It's more expensive, it's more difficult to configure and maintain and it can be more difficult to troubleshoot

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Who do you understand by term DATA give example? please give answer in own words​
xeze [42]

Answer:

The term data is simply defined as “facts and figures”. Each piece of data is a little fact that doesn't mean much on its own. The word data can be used for a singular fact or a collection of facts. It comes from the Latin word datum, meaning “something given”.Data is defined as facts or figures, or information that's stored in or used by a computer. An example of data is information collected for a research paper. An example of data is an email. ... Statistics or other information represented in a form suitable for processing by computer.

4 0
2 years ago
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Alexandria works for a non-for-profit company that asks for donations to help the homeless people in her community. Recently the
irakobra [83]

Answer:

Option A.

Explanation:

7 0
3 years ago
How can i repair computer processor?
Lisa [10]
Short answer, you don't. Modern Processors are made up of billions of transistors and are built in multi million dollar factories that have equipment just for that purpose.
8 0
3 years ago
Why did industrial revolution begin Britain?​
allochka39001 [22]

Answer:

Britain also happened to have a wealth of coal, iron, and other resources in a relatively small area, which would help kick-start the Industrial Revolution. Its growing Colonial Empire also provided a ready-made (and captive) market for surplus goods, providing further impetus for entrepreneurs and new industrialists

7 0
1 year ago
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A company is executing a strategy to encrypt and sign all proprietary data in transit. The company recently deployed PKI service
Softa [21]

Answer:

A. S/MIME

B. TLS

C. Kerberos

Explanation:

PKI : Public Key Infrastructure is a technique which will allow services or applications to communicate securely across the unsecured network or internet.

PKI mainly consist of CA or Certificate Authority who can issue digital certificates or they are also known as trusted CA.  exmaples are godaddy, digicert, verizone, symmantec, etc.. and RA also known as Registration Authorities and they verify if the requested certificates can be stored at CA. Keys will be stored in the central directory.It will also consists of certificate management system and the policies governing PKI.

S/MIME : Secure/Multipurpose Internet Mail Extensions which use assymentric cryptography and sign the MIME data.   S/MIME will provide services like  Authentication, Encryption , Integrity, Privacy and Non repudiation for messaging applications

SMIME uses certificates which can be self signed or CA certified. It specifies MIME type as  application/pkcs7-mime  while transmitting the data.

TLS : Transport Layer Security. the earlier versions used to be known as SSL ( Secure Socket Layer) SSLv3 got depreciated and TLSv1.2/1.3 are popularly used to provide encryption, authentication, Integrity and Hashing for client to server side communication.

Most of the applications communicate securely using TLS.  They will establish secure TCP connection using SSL Handshake. During the Handshake they will exchange supported versions, ciphersuites and certificates. Applications which uses TLS always uses CA certificates and Inhouse applications can communicate using self signed certificate or even with CA certificates.

HTTPS which is also known as HTTP over SSL is widely used for almost all the web services to communicate securely across the internet.

Kerberos : It is a protocol used to prove the identity for two nodes which are communicating with each other. Kerberos uses both symmetric key cryptography and assymetric key cryptography. However, symmetric key cryptography is used widely and public key cryptography is used optionally.

Authentication server which is also known as AS is used to authenticate the requesting client.  It further forwards the user credentials to key distribution center. KDC further issues to TGT ( ticket granting ticket) and it uses TGS's secret key to encrypt. User will receive a encrypted output.  

When a User Login then The client authenticates itself to the Authentication Server (AS) which forwards the username to a key distribution center (KDC). The KDC issues a ticket-granting ticket (TGT), which is time stamped and encrypts it using the ticket-granting service's (TGS) secret key and returns the encrypted result to the user's workstation. Sessions will be renewed and managed by users session manager.

4 0
2 years ago
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