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Which of the following devices can be used in place of a hub to control the network traffic efficiently?

You work as a Network Administrator for McNeil Inc. The company has a TCP/IP-based network. Performance of the network is slow because of heavy traffic. A hub is used as a central connecting device in the network. Which of the following devices can be used in place of a hub to control the network traffic efficiently?

Which of the following will you do to achieve this objective?

A company consists of a main building with two smaller branch offices at opposite ends of the city. The main building and branch offices are connected with fast links so that all employees have good connectivity to the network. Each of the buildings has security measures that require visitors to sign in, and all employees are required to wear identification badges at all times. You want to protect servers and other vital equipment so that the company has the best level of security at the lowest possible cost. Which of the following will you do to achieve this objective?