What layer are packets?
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Answer: Network Layer
Explanation: Layer 3 which is Network Layer transmits the packets from one host to another host using shortest possible path (routing of packets). Packets are known as data unit at network layer.
So basically Network layer is resoponsible for routing of packets from source to destination using logical addressing.
Describe in detail how packets are segmented by the Host-to-Host Layer (Transport Layer) and Internet Layer of the TCP/I...
Describe in detail how packets are segmented by the Host-to-Host Layer (Transport Layer) and Internet Layer of the TCP/IP model.
What happens when the packets sent from a computer (at the application layer) reach various network...
What happens when the packets sent from a computer (at the application layer) reach various network nodes – local computers, remote computers, local attached routers/switches, remote routers/switches, hubs, etc.? Please discuss what network nodes of different types know about the application file being transmitted (based on what information is provided in the header at the OSI layer at which that node operates) at each level of reassembly (i.e., viewing the frame packet only, reassembling frame packets to recreate the IP...
Which of these is NOT the job of the Network Layer? -guaranteed packet delivery -addressing packets...
Which of these is NOT the job of the Network Layer? -guaranteed packet delivery -addressing packets -encapsulating packets -routing packets -quality of service
Problems 1. [40 pointsl Consider a three layer protocol in which Layer 3 encapsulates Layer 2 and Layer 2 encapsulates Layer 1. Assume minimalist headers with fixed length packets. Assume the followi...
Problems 1. [40 pointsl Consider a three layer protocol in which Layer 3 encapsulates Layer 2 and Layer 2 encapsulates Layer 1. Assume minimalist headers with fixed length packets. Assume the following characteristics of the layers: Layer 1, 6 octet address length, 512 octet payload; Layer 2, 4 octet address length , 256 octet payload; Layer 3, 8 octet address length, 1024 octet payload. Note that in the minimalist header arrangement no error detection or correction will be used; however,...
The meaning of tunnel in the tunnel model of IPSec is that the IPSec packets are...
The meaning of tunnel in the tunnel model of IPSec is that the IPSec packets are passing through a secure cable shielded from other traffic. the protected IP packets are inside another IP header (the outer header) and the outer headers of many IP packets can be visualized as making a tunnel wall through which the inner IP packets are passing. the cable is secured so that the IP packets do not need to be secured. IPSec replaces IP and...
Choose the terms that describe the Network layer Choose the terms that describe the Network layer....
Choose the terms that describe the Network layer
Choose the terms that describe the Network layer. logical addressing best path selection packets encryption reliability segments routing mp3
Suppose N packets arrive simultaneously to a router at which no packets are currently being transmitted...
Suppose N packets arrive simultaneously to a router at which no packets are currently being transmitted or queued. Each packet is of length L and the link has transmission rate R (simple proof is needed). 1) What is the transmission time for the last packet? Solution: 2) What is the queue delay for the 4th packet? — Solution: 3) What is the average queue delay for the first three packets? Solution: 4) What is the average transmission delay for the...
Packets arrive at a certain node on the university’s intranet at 10 packets per minute, on...
Packets arrive at a certain node on the university’s intranet at 10 packets per minute, on average. Assume packet arrivals meet the assumptions of a Poisson process. What is the standard deviation of the number of arrivals you expect to see over a 5-minute period?
At what layer of the OSI model do proxy servers update? A. Layer 3 B. Layer...
At what layer of the OSI model do proxy servers update? A. Layer 3 B. Layer 2 C. Layer 7 D. Layer 4
QUESTION 1 "A single router is transmitting packets, each of length L bits, over a single...
QUESTION 1 "A single router is transmitting packets, each of length L bits, over a single link with transmission rate R Mbps to another router at the other end of the link. Suppose that the packet length is L= 12000 bits, and that the link transmission rate along the link to router on the right is R = 1000 Mbps. What is the maximum number of packets per second that can be transmitted by the link (use a whole number)?"...
Problems 1. [40 pointsl Consider a three layer protocol in which Layer 3 encapsulates Layer 2 and Layer 2 encapsulates Layer 1. Assume minimalist headers with fixed length packets. Assume the following characteristics of the layers: Layer 1, 6 octet address length, 512 octet payload; Layer 2, 4 octet address length , 256 octet payload; Layer 3, 8 octet address length, 1024 octet payload. Note that in the minimalist header arrangement no error detection or correction will be used; however,...
Choose the terms that describe the Network layer
Choose the terms that describe the Network layer. logical addressing best path selection packets encryption reliability segments routing mp3
Suppose N packets arrive simultaneously to a router at which no packets are currently being transmitted or queued. Each packet is of length L and the link has transmission rate R (simple proof is needed). 1) What is the transmission time for the last packet? Solution: 2) What is the queue delay for the 4th packet? — Solution: 3) What is the average queue delay for the first three packets? Solution: 4) What is the average transmission delay for the...
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