Exam N10-008 topic 1 question 364 discussion

c .layer 6

Layer 6-Presentation The presentation layer (layer 6) transforms data between the format required for the network and the format required for the application. For example, the presentation layer is used for character set conversion, such as between American Standard Code for Information Interchange (ASCII) and Unicode. The presentation layer can also be conceived as supporting data compression and encryption. However, in practical terms, these functions are often implemented by encryption devices and protocols running at lower layers of the stack or simply within a homogenous application layer.

OSI Model is the most basic networking concept. Make sure you understand it people. Presentation layer (Layer 6 in OSI Model) is the one in charge of encryption, decryption, and formatting. Some might get confised by the fact that TCP/IP model only goes up to Application layer, which is layer 5 in this model, but the question specifically asks about OSI Model, which break down the application layer into 2 additional layers.

C. Layer 6 Layer 6 of the OSI model is the Presentation layer. Its primary responsibility is to ensure that the data is presented in a readable format, translating between the application layer's data format and a format that can be understood by the lower layers of the OSI model for transmission over the network. This layer deals with issues such as data compression, encryption, and formatting conversion.

Presentation Layer (6) = Formats the data to be exchanged & secures that data with proper encryption. When you think about layer 6, there's a couple of good techniques to remember: Data Formatting = Data is formatted through code written by user & ran through computer to have compatibility between different devices. Scripts will run programs & also describe their use. American Standard for Computing Information Interchange (ASCII) = 8-bit unicode, or Extended Binary Coded Decimal Interchange Code (EBCDIC) showing how to represent number codes for programs into a human readable format (Scripting & Formatting). ASCII negotiates syntax for layer 7.

Presentation layer

C. Layer6 aka syntax layer. The question " ...receives data from the APPLICATION layer". So, answer is definitely NOT application(L7) layer

The answer is 100% C, Layer 6, the Presentation Layer. Pulled from geeksforgeeks.org: "Presentation Layer is the 6th layer in the Open System Interconnection (OSI) model. This layer is also known as Translation layer, as this layer serves as a data translator for the network. The data which this layer receives from the Application Layer is extracted and manipulated here as per the required format to transmit over the network. The main responsibility of this layer is to provide or define the data format and encryption. The presentation layer is also called as Syntax layer since it is responsible for maintaining the proper syntax of the data which it either receives or transmits to other layer(s)."

The correct answer is D. Layer 7, the application layer, receives data from the application and converts it into syntax that other devices on the network can understand. This layer is responsible for identifying and establishing the availability of intended communication partners and determining the resources necessary to connect them. Examples of protocols that operate at this layer include HTTP, FTP, SMTP, and Telnet.

C. Layer 6

Found this for reference. "The data from the application layer is forwarded to the presentation layer. The presentation layer receives the data in a different form (in a form of words, characters, letters, numbers, etc) & converts them into machine representable binary format. This process is known as Translation." https://community.codenewbie.org/noviicee/computer-networking-part-3-4o6b#:~:text=The%20data%20from%20the%20application,process%20is%20known%20as%20Translation.

D for reasons listed in another comment.

D. Layer 7 Layer 7, the Application Layer, receives data from the application layer of the sending device and converts it into syntax that is readable by other devices on the network. This layer defines protocols for communication between applications and provides services such as file transfer, email, and remote login.

Layer 3

The layer of the OSI model that receives data from the application layer and converts it into syntax that is readable by other devices on the network is B. Layer 3, the Network layer. The Network layer is responsible for logical addressing and routing, which enables data to be transmitted between different networks. It receives data from the upper layers, including the application layer, and formats it for transmission over the network by adding routing information and other protocol-specific details.