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Ivahew [28]
3 years ago
8

Access to sensitive or restricted information is controlled describes which of the key communications and information systems pr

inciples? A. Reliability, Scalability, and Portability B. Interoperability C. Security D. Resilience and Redundancy
Computers and Technology
1 answer:
Viktor [21]3 years ago
4 0

Answer:

C: Security

Explanation:

Communications and information systems principles need to be, among other things, secure. They need to be able to protect sensitive information from those who intentionally not need to know. Some incident information like voice, networks, and data, are very sensitive and thus, should be secure to the right levels and should comply with privacy laws and data protection.

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The OSI model is a useful tool in troubleshooting a network because it enables you to isolate a problem to a particular software
lutik1710 [3]

Answer:

1)  Layer 4, transport

2) Layer 2, datalink

3) Layer 5, session

4) Layer 7, application

Description of Problems are as below:

1) One of your servers has been exhibiting sluggish network performance. you use a network-monitoring program to try to evaluate the problem. You find considerable TCP retries occurring because the server is being overwhelmed by data, and packets are being discarded.

2) You check some statistics generated by a network-monitoring program and discovers that an abnormally high number of CRC errors were detected. (Hint think of the cause of CRC errors).

3) A user is trying to connect to another computer, but the logon attempt is continually rejected.

4) You try to access a Linux server to share files by using NFS. You can communicate with the server, but the shared files don't appear to be available.

Explanation:

OSI Model is a reference model to determine how applications communicate over a network. OSI consists of seven layers, and each layer performs a particular network function. The seven layers are:

   Layer 7 - Application.

   Layer 6 - Presentation.

   Layer 5 - Session.

   Layer 4 - Transport.

   Layer 3 - Network.

   Layer 2 - Data Link.

   Layer 1 - Physical.

1) One of your servers has been exhibiting sluggish network performance. you use a network-monitoring program to try to evaluate the problem. You find considerable TCP retries occurring because the server is being overwhelmed by data, and packets are being discarded.

Layer 4, transport

2) You check some statistics generated by a network-monitoring program and discovers that an abnormally high number of CRC errors were detected. (Hint think of the cause of CRC errors).

Layer 2, Data Link

3) A user is trying to connect to another computer, but the logon attempt is continually rejected.

Layer 5, session

4) You try to access a Linux server to share files by using NFS. You can communicate with the server, but the shared files don't appear to be available.

Layer 7, application

7 0
3 years ago
A ________ is an application program that runs on a server-tier computer and manages processes such as items in a shopping cart
garik1379 [7]
Commerce Server

An application program that runs on a server tier computer. A typical commerce server obtains product data from a database, manages items in users' shopping carts, and coordinates the checkout process.
6 0
2 years ago
What is 1 TB equal to ?<br> . 1024 kb<br> .1024 gb <br>. 1024 pb <br>. 1024 mb​
OLEGan [10]

\large \mathfrak{Answer : }

1 TB = 1024 GB

3 0
3 years ago
Read 2 more answers
In the context of the planning phase of the systems development life cycle (SDLC), which is an example of an internally identifi
erma4kov [3.2K]

Answer:

The correct option to the following question is D.).

Explanation:

SDLC stands for the System Development Life Cycle.

The aim of the SDLC is to produce the high quality of the software that exceeds or meets the reaches completions and customers' expectations with costs and time expectations.

Software Development Life Cycle is the frameworks that defining the task performed at each of the steps in software development process.

8 0
3 years ago
What makes a computer a computer?​
BabaBlast [244]

Answer:

A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web

Explanation:

Follow me..............

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3 years ago
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