Data Comms (OSI Layers)
C
OSI level is the TCP part of TCP/IP closely related to A. Session Layer B. Physical Layer C. Transport Layer D. Network Layer
D
This layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver A. Session Layer B. Presentation Layer C. Transport Layer D. Network Layer
B
This layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver. A. Session Layer B. Network Layer C. Presentation Layer D. Physical Layer
A
This layer changes bits into electromagnetic signals. A. Physical Layer B. Presentation Layer C. Application Layer D. Network Layer
B
This layer coordinates the functions required to transmit a bit stream over a physical medium. A. Network Layer B. Presentation Layer C. Application Layer D. Physical Layer
C
This layer enables the users to access the network. A. Transport Layer B. Session Layer C. Application Layer D. Presentation Layer
C
functions as a liaison between user support layers and network support layers A. Session Layer B. Presentation Layer C. Transport Layer D. Network Layer
B
functions as a liaison between user support layers and network support layers A. Session Layer B. Transport Layer C. Presentation Layer D. Physical Layer
A
functions as a liaison between user support layers and network support layers A. Transport Layer B. Network Layer C. Session Layer D. Physical Layer
C
is responsible for moving frames from one hop (node) to the next. A. Application Layer B. Physical Layer C. Data-Link Layer D. Presentation Layer
A
is responsible for the delivery of a message from one process to another. A. Transport Layer B. Network Layer C. Session Layer D. Physical Layer
A
layer of the OSI model is responsible for reliable network communication A. Physical Layer B. Data-Link Layer C. Application Layer D. Presentation Layer
B
maintenance, and termination of virtual circuits, transport fault detection and A. Application Layer B. Physical Layer C. Data-Link Layer D. Presentation Layer
C
At which OSI level is a standard description of a modem and its specifications found A. Application Layer B. Data-Link Layer C. Physical Layer D. Presentation Layer
C
Bit synchronization is a topic associated with this layer A. Application Layer B. Physical Layer C. Data-Link Layer D. Presentation Layer
C
Mail services are available to network users through this layer. A. Transport Layer B. Session Layer C. Application Layer D. Presentation Layer
C
The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. A. Data-Link Layer B. Physical Layer C. Application Layer D. Presentation Layer
C
The process-to-process delivery of the entire message is the responsibility of this layer A. Session Layer B. Presentation Layer C. Transport Layer D. Network Layer
D
This layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format. A. Physical Layer B. Data-Link Layer C. Application Layer D. Presentation Layer
A
This layer establishes, maintains, and synchronizes the interactions between communicating devices. A. Session Layer B. Physical Layer C. Transport Layer D. Network Layer
A
This layer is responsible for delivering data units from one station to the next without errors. A. Data-Link Layer B. Physical Layer C. Application Layer D. Presentation Layer
B
This layer is responsible for the source-to-destination delivery of a packet across multiple network links. A. Session Layer B. Network Layer C. Presentation Layer D. Physical Layer
B
This layer is the layer closest to the transmission medium. A. Data-Link Layer B. Physical Layer C. Network Layer D. Presentation Layer
B
This layer is the layer closest to the transmission medium. A. Session Layer B. Physical Layer C. Transport Layer D. Network Layer
B
adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver. A. Session Layer B. Network Layer C. Presentation Layer D. Physical Layer
A
between end nodes and provides mechanisms for the establishment, A. Physical Layer B. Data-Link Layer C. Application Layer D. Presentation Layer
B
coordinates the functions required to transmit a bit stream over a physical medium. A. Application Layer B. Physical Layer C. Data-Link Layer D. Presentation Layer
D
encryption and decryption are functions of this layer A. Transport Layer B. Session Layer C. Application Layer D. Presentation Layer
D
recovery, and information flow control A. Data-Link Layer B. Presentation Layer C. Network Layer D. Physical Layer
C
responsible for identifying communications partners A. Physical Layer B. Data-Link Layer C. Application Layer D. Presentation Layer