# Test- Retele De Calculatoare

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Questions: 9 | Attempts: 2,613

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• 1.

### Alegeti răspunsul corect: O reţea de calculatoare:

• A.

A. este un ansamblu de calculatoare conectate între ele

• B.

B. nu permite folosirea în comun a mai multor resurse, cum ar fi imprimanta

• C.

C. nu permite folosirea în comun a unor date

A. A. este un ansamblu de calculatoare conectate între ele
Explanation
A computer network is a collection of interconnected computers that allows for the sharing of resources and data. This means that option a, "este un ansamblu de calculatoare conectate între ele" (it is a collection of interconnected computers), is the correct answer. Option b is incorrect because a computer network does allow for the sharing of resources, such as printers. Option c is also incorrect because a computer network does allow for the sharing of data between connected computers.

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• 2.

### Modemul poate fi

• A.

Fără fir

• B.

Internet

• C.

Extern

C. Extern
Explanation
The correct answer is "extern" because the question is asking about the different types of modems, and "extern" refers to an external modem. This means that the modem is a separate device that connects to a computer or network device through a cable or other physical connection.

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• 3.

### Mediul de comunicaţie dintre două calculatoare poate fi

• A.

Prin cablu

• B.

Fără cablu

• C.

Prin satelit

A. Prin cablu
B. Fără cablu
C. Prin satelit
Explanation
The correct answer is that the medium of communication between two computers can be through a cable, without a cable, or through a satellite. This means that there are multiple ways in which computers can communicate with each other. They can be connected physically through a cable, such as an Ethernet cable, or they can communicate wirelessly without the need for a cable. Additionally, communication can also be established through a satellite, which allows for long-distance communication over a large area.

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• 4.

### Reteaua WAN este extinsa pe suprafata:

• A.

• B.

Unui campus

• C.

Unui oras

• D.

Unui continent

• E.

Unei tari

D. Unui continent
E. Unei tari
Explanation
The correct answer is "unui continent, unei tari" because a Wide Area Network (WAN) is a network that covers a large geographical area, typically spanning multiple cities, countries, or even continents. It is designed to connect multiple Local Area Networks (LANs) together, allowing for communication and data transfer over long distances. Therefore, a WAN can be extended across a continent or a country.

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• 5.

### Care dintre următoarele tipuri de computere este un computer portabil?

• A.

Mainframe

• B.

Laptop

• C.

Minicomputer

• D.

Desktop

B. Laptop
Explanation
A laptop is a type of computer that is designed to be portable and can be easily carried around. Unlike desktop computers, laptops are compact and lightweight, making them convenient for on-the-go use. This makes the laptop the correct answer for the question about which type of computer is portable. Mainframe, minicomputer, and desktop computers are not specifically designed for portability and are typically larger and less portable than laptops.

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• 6.

### Care dintre următoarele afirmaĠii despre World Wide Web este adevărată?

• A.

World Wide Web este o aplicatie a sistemului de operare

• B.

World Wide Web nu utilizează http

• C.

World Wide Web este un motor de căutare

• D.

World Wide Web este o parte a Internetului

D. World Wide Web este o parte a Internetului
Explanation
World Wide Web este o parte a Internetului.

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• 7.

### Extranet înseamnă:

• A.

Retea globală de calculatoare

• B.

Un sistem de operare pentru retele folosit pentru a controla fluxul de date

• C.

Retea privată a unei companii care include anumiti utilizatori din afara companiei

• D.

retea privată a unei companii

D. retea privată a unei companii
Explanation
An extranet refers to a private network of a company that includes certain users from outside the company.

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• 8.

### Calculatoarele din biroul dumneavoastră sunt conectate astfel încât personalul poate avea acces la imprimanta de retea. Cum se numeúte acest tip de retea?

• A.

LAN

• B.

ISDN

• C.

WAN

• D.

FTP

A. LAN
Explanation
The correct answer is LAN. LAN stands for Local Area Network, which is a type of network that connects computers and devices within a limited area, such as an office or a building. In this case, the computers in the office are connected in a LAN so that the staff can have access to the network printer.

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• 9.

### Care dintre următoarele afirmatii descrie o politică bună de securitate prin parole?

• A.

Toate parolele sunt schimbate cu regularitate

• B.

Toate parolele sunt cunoscute de către toti utilizatorii

• C.

Toate parolele sunt numele mic al fiecărui utilizator

• D.

Toate parolele sunt alcătuite din trei litere

A. Toate parolele sunt schimbate cu regularitate
Explanation
A good password security policy involves regularly changing passwords to prevent unauthorized access.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Oct 09, 2018
Quiz Created by
Tuneam