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alisha [4.7K]
3 years ago
14

Which two statements describe the Functions of a modem

Computers and Technology
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

A modem is the internal or external device its function is to transfer data over communication lines

modems use two different types of data transmission

synchronous and asynchronous

The functions of modem have changed over years it was first used for telegrams and to transmit data in 1950s.

Modems were used with computers in  1977 for first time to transmit data between computers  firstly it was used for small amount of computers

As modem improves day by day and were able to transmit information fastly between two or more hosts and the internet network slowly spreads

There are four types of modems ,

1 Fax Modems which solely transfer data between fax machines

2 The traditional ISDN modem

3 the Digital Subscribers Line

4 the Cable Modem

Explanation:

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Authorization is a set of rights defined for a subject and an object. They are based on the subject’s identity.a. Trueb. False
SVEN [57.7K]

Answer:

True

Explanation:

Authorization is a set of rights defined for a subject and an object. They are based on the subject’s identity.a. Trueb. False

Authorization is a set of rights defined for a subject and an object.

Authorization is a security mechanism used to determine user/client privileges or access levels related to system resources, including computer programs, files, services, data and application features. Authorization is normally preceded by authentication for user identity verification.

4 0
3 years ago
How is the EF​ computed? A. ES​ + Activity time B. LF minusActivity time C. ​Min{LS of all immediate following​ activities} D. ​
densk [106]

Answer:

The answer is "Option A".

Explanation:

To signify that the properties must be mapped in a calculated column is always used Entity Framework. It is a Core Fluent API, that is used in the SQL procedure, and the term ES stands for "Early Start", in which it is an approximate time to start any exercise. It is also known as an activity, that will only start with the near then ends, and all past track practices have begun early, and certain options were wrong, that can be defined as follows:

  • In option B,  It requires unit time 0, that's why it is wrong.
  • Option C and Option D both are wrong because, in LF, it requires unit time, that is equal to 0 so, it can't be min or max.
6 0
4 years ago
All ofthe following are correct EXCEPT one option when it comes towriting disappointing news letters. Identify theexception.
Nikolay [14]

Answer: d) Avoid a neutral or buffered opening

Explanation: A newsletter is a piece of a report that is having knowledge about the activities of the business ,organizations,their members and owner etc.When the news letter contains contains a disappointing news it should not not have a buffered or neutral opening .The start of the news letter should not be impartial or prejudiced to make bad opening. Therefore, option(d)is the correct option.

3 0
4 years ago
The two fundamental approaches to moving data through a network of links and switches are
olga55 [171]

Answer:Packet and circuit switching

Explanation: Packet switching is the technique through which the data is sent from the source to destination in the form of data packets on dynamic path.It is the time of connectionless switching and route generates for each packet.

Circuit switching is the switching technique having connected path for the sending and receiving of the data.They have well defined and established path for the transmission of data.

Other options are incorrect because they define the terms that are associated with the data that gets transmitted like bandwidth,transmission rate ,packet etc. These options are not the way in which data transmitted or switched.Thus, the correct option is packet and circuit switching.

6 0
3 years ago
Alan is developing a business impact assessment for his organization. He is working with business units to determine the maximum
jekas [21]

Answer:

A. Recovery time objective (RTO)

Explanation:

The recovery time is defined as the maximum length of time require to recover a system or any network from the failure.

Hence, to determine the recovery time of the function, one can use the RTO.

7 0
3 years ago
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