PIT-B Unit #4 Test Review

A protocol is a set of rules that determines how data will be transmitted between devices.

Provides network services to the users

Which of the following options describe a mobile network? (Multiple correct answers)

A device that converts the message signal produced by the source into a form suitable for transmission

A set of rules that helps in the transmission of data between different devices over a network

Which of the following services are provided by satellite communication?

Your cell phone entered a blackspot region could be a reason for your cell phone dropping your call.

To make maintenance and support of the network simple and easy

Locates and monitors satellites to establish the connection

Sends signals to and receives signals from the satellite

Dependence on Internet, less control over resources, risk of hacking & privacy intrusion are advantages of cloud comp.

Which of the following are results of globalization of the telecom industry? (Multiple correct answers)

television broadcasting, Internet services, and radio broadcasting use a two-way satellite communication link

A medium through which a signal travels to reach its destination

Which of the following are communication links that provide services between the satellite and the Earth station?

Which of the following statements are true of IT infrastructure management?(Multiple correct answers)

Savings, data security w/ encryption, scalability, collaborative work, & 24/7 availability are advantages of cloud comp.

To add new user groups to remote sites

Why is network infrastructure security important? (Multiple correct answers)

Which of the following is a type of communication channel?

A device that decodes the signal that has traveled through the channel

Which of the following best describe cloud computing? (Multiple correct answers)

The information or data to be communicated

Which of the following methods is used to divide a network into smaller networks?

Receiver, message and tranmitter are components of a telecommunication system

Translates the data from one format to another

Sends signals to the satellite

Reduces cost due to fewer IT employees & minimizing risk of outages and downtime are benefits of IT infrastructure Mgmt.

Provides error-free, reliable, and efficient data transfer between the devices in the network

Accepts signals from the satellite

Why would an organization need to think about network planning?(Multiple possible answers)

Transmits the information through a physical medium

To deliver consistent and reliable performance