Question: The power of the federal government to regulate copyrights is by virtue of which of the following? Common law. Executive order. Congressional mandate. The U.S. Constitution.

Answer: The U.S. Constitution.

 

Question: The purpose of a trademark such as Starbucks’s is to do which of the following? Patent the Starbucks method of making coffee. Create a copyright. Identify the Starbucks brand of coffee to the public. Create a franchise.

Answer: Identify the Starbucks brand of coffee to the public.

 

Question: Business Data Communications refers to the movement of data from: One computer application on a computer to another computer application on another computer. One computer network to another computer network. One computer to another computer. One person to another person.

Answer: One computer application on a computer to another computer application on another computer.

 

Question: Businesses generate more network data than consumers. True False

Answer: True

 

Question: The novelty of the Telegraph was that: It allowed one wire to connect a set to multiple destinations. It allowed people to talk to each other. It allowed instantaneous long-distance communication over a wire. It allowed users to draw graphs.

Answer: It allowed instantaneous long-distance communication over a wire.

 

Question: The novelty of multiplexing is that: None of the above It allows instantaneous long distance communications.

Answer: It allows instantaneous long distance communications.

 

Question: The novelty of switching is that: It allows one wire to connect a user to multiple destinations. It breaks data down into small units of information. It allows instantaneous long-distance communications. It allows one wire to carry multiple signals simultaneously.

Answer: It allows one wire to connect a user to multiple destinations.

 

Question: The novelty of packet switching is that: It allows all users to be connected to all other users simultaneously. It allowed instantaneous long-distance communications for the first time. None of the above. It enabled long-distance voice communication for the first time.

Answer: It allowed instantaneous long-distance communications for the first time.

 

Question: Packetization is the process of: Communicating between computer applications. Sending letters to friends. Breaking down user data into small segments. Sending user data over networks.

Answer: Breaking down user data into small segments.

 

Question: The header of a data packet contains all of the following except: User data. Receiver address. Sender address. Packet size.

Answer: User data.

 

Question: Layering is the practice of: Arranging functionality of components so that lower layers support the services of upper layers. Breaking down user data into small segments. Using one wire to carry multiple signals simultaneously.

Answer: Arranging functionality of components so that lower layers support the services of upper layers.

 

Question: One feature common to most computer software and data communications is: The use of layering to organize functionality. The use of routing. The use of packetization. The use of signaling.

Answer: The use of layering to organize functionality.

 

Question: The Physical layer in the TCP/IP stack is responsible for: Error control. Signaling. Identifying and locating the destination. Segmentation and reassembly of packets.

Answer: Signaling.

 

Question: The Data Link layer in the TCP/IP stack is responsible for: Identifying and locating the destination. Signaling. Error control. Segmentation and reassembly of packets.

Answer: Error control.

 

Question: The Network layer in the TCP/IP stack is responsible for: Error control. Specifying end user needs. Segmentation and reassembly of packets. Identifying and locating the destination.

Answer: Identifying and locating the destination.

 

Question: The Transport layer in the TCP/IP stack is responsible for: Segmentation and reassembly of packets. Specifying end user needs. Error control. Identifying and locating the destination.

Answer: Segmentation and reassembly of packets.

 

Question: The Application layer in the TCP/IP stack is responsible for: Specifying end user needs. Identifying and locating the destination. Segmentation and reassembly of packets. Error control.

Answer: Specifying end user needs.