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4 years ago

The Spanning Tree Protocol operates at the Network layer of the OSI model.

Computers and Technology

1 answer:

BigorU [14]4 years ago

6 0

Answer:

False

Explanation:

The Spanning Tree Protocol operates at the Data link layer of the OSI model.

Spanning Tree Protocol (STP) is a bridge and switch (Layer 2 protocol). The STP specification is IEEE 802.1D. STP's primary aim is to guarantee that when you have redundant routes in your network, you do not generate loops. Loops to a network are fatal.

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Which of the following statements is the least abstraction of the World Wide Web?

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4 years ago

Sharon is a network engineer for your firm and is investigating the WAN connection into the hot site. In the event of operations

lisabon 2012 [21]

Answer:

The correct answer to the following question will be "Peak capacity" and "Bandwidth starvation".

Explanation:

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Certain traffic competing at its policies for the available or unused bandwidth will theoretically enable classes with lower value rates to starve to bandwidth.

Due to these activities, Sharon is concerned about "Bandwidth starvation" and "Peak capacity".

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4 years ago

Define the following term. data, database, DBMS, database system, data- base catalog, program-data independence, user wen', DBA,

wolverine [178]

Answer:

data - Any form of value in a column of a table in a relational database.

DBMS - Short for Database management system, which is a software that can be used to create, manipulate and view databases, e.g. MS SQL Server.

database system - Same as DBMS.

database catalog - Place where the metadata of a Database, its tables, users etc. exists e.g. date created, size, number of columns etc. Also known as Data Dictionary.

program-data independence - Program-data independence refers to the capability of leaving data intact and accessible regardless of modifications to the database that contains the data.

DBA - Short for Database Administrator, person responsible for maintaining the database. Its main responsibility is to keep the data clean and safe i.e. data doesn't contain wrong or invalid data, and is safe from viruses and is backed up.

end user - Anyone who is not directly interacting with a database, but through some software like website and mobile application.

persisten object - An object of a class in a program, that interacts with the underlying database and is responsible for manipulating the database connected to.

transaction-processing system - A transaction process system is part of a software, responsible for making sure critical business transactions, like crediting or debiting money, either goes through cleanly or doesn't at all.

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Explanation:

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3 years ago

A throw(...) statement is an alternative way to return from a function or method that indicates some kind of failure occurred.

WITCHER [35]

Answer:

a.True.

Explanation:

A throw statement is used to throw an exception from inside the method.Whenever the throw statement is encountered by the compiler and after that when it is executed the execution of the currently executing method is stopped and it returns back to caller.

There is also a keyword Throws which is used to tell the compiler that the method may throw one or more exceptions.

Hence we conclude that the answer is True.

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4 years ago