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What is the role of the data link layer protocols in data transmission?
The role is to transfer frames to packets
What addressing information is recorded by a switch to build its MAC address table?
the source Layer 2 address of incoming frames
What are the three primary functions provided by Layer 2 data encapsulation?
Primary functions provided by Layer 2 data encapsulation include data link layer addressing, and the detection of errors via cyclic redundancy check calculations. An additional function is delimiting groups of bits into frames.
Bits are packaged into frames at which layer of the OSI model?
Data link layer
Which data link layer addressing scheme is used in a point-to-point logical topology?
Layer 2 addressing not required for this topology
What is the role of the data link layer protocols in data transmission?
The role is to transfer frames to packets
What addressing information is recorded by a switch to build its MAC address table?
the source Layer 2 address of incoming frames
What two options represents layer four addressing in the osi model?
Layer 4 usually uses segments, layer 3 are packets, layer 2 are frames. Layer 4 uses either tcp (SYN and ACKS) and UDP (connectionless) with port numbers
Are frames in the network layer?
No. Frames are used on the data-link (layer 2) layer. Packets are used at the Network (layer 3) layer.
Which layer arranges the transmission of a data frames bits when they are dispatched across the network?
The Data Link layer is responsible for arranging the transmission of data frames' bits when they are dispatched across the network. It ensures reliable transfer of data frames between directly connected nodes by managing error detection and correction, as well as framing and addressing. This layer operates above the Physical layer, which handles the actual transmission of raw bit streams over the physical medium.
What are the differences between segment packet and frame?
Theoretically Data Link Layer puts packet into frame by adding header and tail to the packet but how is it possible when you take into consideration CCSDS packet definition:"A packet is a block of data with length that can vary between successive packets, ranging from 7 to 65,542 bytes, including the packet header.Packetized data are transmitted via frames, which are fixed-length data blocks. The size of a frame, including frame header and control information, can range up to 2048 bytes."According to this, frame is smaller than packet, so how can you put packet into frame??
Which osi layer uses access points?
Access points operate primarily at the Data Link layer (Layer 2) of the OSI model, where they facilitate wireless communication between devices on a local area network (LAN). They manage the data frames and handle MAC addressing, allowing devices to connect to the network. Additionally, access points can also interact with the Network layer (Layer 3) for IP addressing and routing functions.
Which OSI layer makes frames?
Data Link Layer
Do frame encapsulate packet or packete encapsulate frames?
Frames are encapsulating packets. The data link layer makes framing and provide this service to the layer above layer "the network layer".
Which layer of the hierarchical three-layer design model combines traffic from multiple IDFs?
which layer of the hierarchical three-layer design model combines traffic from multiples IDFs? core layer
Which layer resizes frames to match the receiving network?
resize layer
An Ethernet MAC sublayer receives 42 bytes of data from the upper layer. How many bytes of padding must be added to the data?
The padding needs to make the size of the data section 46 bytes. If the data received from the upper layer is 42 bytes, we need 46 − 42 = 4 bytes of padding.
