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1. A utilização de switches em uma rede local não resolve o problema de excesso de colisões.
2. Para a resolução de problema de excesso de broadcasts se faz necessária a segmentação da rede, através de roteadores ou VLAN’s.
3. Spanning Tree Protocol (STP) é um protocolo usado como alternativa para impossibilitar que aconteçam loops de Camada de Enlace em redes redundantes de computadores.
4. O Reliable Spanning Tree Protocol (RSTP) tem como principal finalidade reduzir o tempo de espera da transição da porta bloqueada para a porta ativa.
Assinale a alternativa que indica todas as afirmativas corretas.
1. Uma máquina gerenciada pelo SNMP deve possuir um agente e uma base de informações MIB.
2. O funcionamento do SNMP é baseado em dois dispositivos: o agente e o gerente.
3. O agente é um processo executado na máquina gerenciada, responsável pela manutenção das informações de gerência da máquina.
4. A operação SET é utilizada para alterar o valor da variável; o agente solicita que o gerente faça uma alteração no valor da variável.
Assinale a alternativa que indica todas as afirmativas corretas.
The solid-waste disposal company Daily Disposal services tens of thousands of residences, businesses and construction sites in San Diego. In the past, drivers with residential routes received two printouts each morning: a 30-page document listing more than 1,000 customers they needed to visit that day, and a separate five- or six-page document listing customers with delinquent accounts. As drivers made stops, they had to compare the two lists to determine whether to pick up each customer’s containers. With more than 90 drivers in the field, Daily Disposal needed a more efficient way to route trucks and document trash pickup. So, the company invested in a custom mobile app called eMobile, Samsung Galaxy tablets with 10.1-inch screens and cellular service from Sprint. Rather than receiving stacks of paper each morning, drivers simply download the day’s route onto their tablets via the eMobile app. As they move along, the mounted tablets tell them exactly where to stop. When drivers arrive at customers’ homes, they push one of three buttons on the touchscreen: “done,” “not out” or “skip.” Daily Disposal’s entire fleet now has mounted tablets. All residential drivers are using the solution, and drivers who pick up from commercial and construction sites will begin using it soon. And the company is looking for other ways to automate operations. “What we’re doing may seem simple, but it’s huge for us,” says Todd Ottonello, vice president of the company. “This also helps with our efforts to go green. The solution completely changes an industry.”
Taylor Mallory Holland. Tablets bring waste management technology into the digital age. Internet:
In the following passage from the text, the word “trash” can be substituted by the word garbage: “Daily Disposal needed a more efficient way to route trucks and document trash pickup”
The solid-waste disposal company Daily Disposal services tens of thousands of residences, businesses and construction sites in San Diego. In the past, drivers with residential routes received two printouts each morning: a 30-page document listing more than 1,000 customers they needed to visit that day, and a separate five- or six-page document listing customers with delinquent accounts. As drivers made stops, they had to compare the two lists to determine whether to pick up each customer’s containers. With more than 90 drivers in the field, Daily Disposal needed a more efficient way to route trucks and document trash pickup. So, the company invested in a custom mobile app called eMobile, Samsung Galaxy tablets with 10.1-inch screens and cellular service from Sprint. Rather than receiving stacks of paper each morning, drivers simply download the day’s route onto their tablets via the eMobile app. As they move along, the mounted tablets tell them exactly where to stop. When drivers arrive at customers’ homes, they push one of three buttons on the touchscreen: “done,” “not out” or “skip.” Daily Disposal’s entire fleet now has mounted tablets. All residential drivers are using the solution, and drivers who pick up from commercial and construction sites will begin using it soon. And the company is looking for other ways to automate operations. “What we’re doing may seem simple, but it’s huge for us,” says Todd Ottonello, vice president of the company. “This also helps with our efforts to go green. The solution completely changes an industry.”
Taylor Mallory Holland. Tablets bring waste management technology into the digital age. Internet:
On the basis of the last quote the article provides from the vice president of Daily Disposal, one can infer that the company has not invested in any other initiatives to lessen its negative impact on the environment.
The solid-waste disposal company Daily Disposal services tens of thousands of residences, businesses and construction sites in San Diego. In the past, drivers with residential routes received two printouts each morning: a 30-page document listing more than 1,000 customers they needed to visit that day, and a separate five- or six-page document listing customers with delinquent accounts. As drivers made stops, they had to compare the two lists to determine whether to pick up each customer’s containers. With more than 90 drivers in the field, Daily Disposal needed a more efficient way to route trucks and document trash pickup. So, the company invested in a custom mobile app called eMobile, Samsung Galaxy tablets with 10.1-inch screens and cellular service from Sprint. Rather than receiving stacks of paper each morning, drivers simply download the day’s route onto their tablets via the eMobile app. As they move along, the mounted tablets tell them exactly where to stop. When drivers arrive at customers’ homes, they push one of three buttons on the touchscreen: “done,” “not out” or “skip.” Daily Disposal’s entire fleet now has mounted tablets. All residential drivers are using the solution, and drivers who pick up from commercial and construction sites will begin using it soon. And the company is looking for other ways to automate operations. “What we’re doing may seem simple, but it’s huge for us,” says Todd Ottonello, vice president of the company. “This also helps with our efforts to go green. The solution completely changes an industry.”
Taylor Mallory Holland. Tablets bring waste management technology into the digital age. Internet:
The text states that Daily Disposal uses a mobile app, tablets, and cellular phone service for the work they do with both their residential and commercial customers.
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