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Questions and Answers
What is the main responsibility of the Physical Layer in data communication and networking?
What is the main responsibility of the Physical Layer in data communication and networking?
- Moving the datagram across the link
- Creating a connection between the source computer and the destination computer
- Carrying individual bits in a frame across the link (correct)
- Handling host-to-host communication
How does the Data-Link layer differ from the Physical Layer in networking?
How does the Data-Link layer differ from the Physical Layer in networking?
- Handling host-to-host communication
- Creating a connection between source and destination computers
- Moving packets through the link (correct)
- Carrying individual bits in a frame across the link
Which layer is responsible for creating a connection between the source and destination computers?
Which layer is responsible for creating a connection between the source and destination computers?
- Data-Link Layer
- Network Layer (correct)
- Physical Layer
- Transport Layer
In data communication, what is the primary role of the Network Layer?
In data communication, what is the primary role of the Network Layer?
Which type of clock provides information in a continuous form?
Which type of clock provides information in a continuous form?
What type of data takes on continuous values?
What type of data takes on continuous values?
How many levels of intensity does an analog signal have over a period of time?
How many levels of intensity does an analog signal have over a period of time?
Which type of signals can take one of two forms: periodic or nonperiodic?
Which type of signals can take one of two forms: periodic or nonperiodic?
Which layer is responsible for giving services to the application layer by encapsulating messages in packets and sending them through a logical connection to the destination host?
Which layer is responsible for giving services to the application layer by encapsulating messages in packets and sending them through a logical connection to the destination host?
What does the term 'analog data' refer to?
What does the term 'analog data' refer to?
In the OSI model, which layer is responsible for establishing logical connections between application layers end-to-end?
In the OSI model, which layer is responsible for establishing logical connections between application layers end-to-end?
What type of data refers to information that has discrete states?
What type of data refers to information that has discrete states?
An ______ clock that has hour, minute, and second hands gives information in a continuous form
An ______ clock that has hour, minute, and second hands gives information in a continuous form
A ______ clock that reports the hours and the minutes will change suddenly from 8:05 to 8:06
A ______ clock that reports the hours and the minutes will change suddenly from 8:05 to 8:06
An ______ signal has infinitely many levels of intensity over a period of time
An ______ signal has infinitely many levels of intensity over a period of time
The ______ Layer is responsible for carrying individual bits in a frame across the link.
The ______ Layer is responsible for carrying individual bits in a frame across the link.
A ______ signal can have only a limited number of defined values
A ______ signal can have only a limited number of defined values
A ______ LAN with a link-layer switch is an example of a link for the Data-Link layer.
A ______ LAN with a link-layer switch is an example of a link for the Data-Link layer.
Analog signals can take on ______ forms: periodic or nonperiodic.
Analog signals can take on ______ forms: periodic or nonperiodic.
Digital data refers to information that has ______ states.
Digital data refers to information that has ______ states.
The transport layer at the source host gets the message from the application layer, encapsulates it in a transport layer packet and sends it to the transport layer at the destination host. This process is responsible for giving services to the application layer, delivering the message from the source host to the destination host. In other words, the transport layer is responsible for end-to-end connection between the two ________ layers.
The transport layer at the source host gets the message from the application layer, encapsulates it in a transport layer packet and sends it to the transport layer at the destination host. This process is responsible for giving services to the application layer, delivering the message from the source host to the destination host. In other words, the transport layer is responsible for end-to-end connection between the two ________ layers.
Communication at the application layer is between two processes (two programs running at this layer). In the OSI model, the ___________ layer is responsible for creating a connection between the source and destination computers.
Communication at the application layer is between two processes (two programs running at this layer). In the OSI model, the ___________ layer is responsible for creating a connection between the source and destination computers.
Digital data refers to information that has ________ states.
Digital data refers to information that has ________ states.
Analog data refers to information that is ________.
Analog data refers to information that is ________.
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