Table of Contents
- 1 What header size minimum you will recommend at the transport layer of the TCP IP protocol suite if a port number is defined using 16 bits 2 bytes give reason?
- 2 What happens if a TCP IP packet does not reach its destination?
- 3 What is the minimum header size of an IP packet?
- 4 What are the layers in the Internet protocol stack?
- 5 Why an Internet packet might not reach its destination?
What header size minimum you will recommend at the transport layer of the TCP IP protocol suite if a port number is defined using 16 bits 2 bytes give reason?
If a port number is 16 bits (2 bytes), what is the minimum header size at the transport layer of the TCP/IP protocol suite? The minimum header size will be (2*16 bits) 32 bits to contain the sending and receiving port address.
Which layer of the TCP IP protocol suite is responsible for creating user datagrams?
Transport Layer
Transport Layer This type of communication is known as end-to-end. Transport layer protocols at this level are Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and Stream Control Transmission Protocol (SCTP).
What happens if a TCP IP packet does not reach its destination?
When one TCP peer is sending out TCP packets for which there is no response received from the other end, the TCP peer would end up retransmitting the data and when there is no response received, it would end the session by sending an ACK RESET (this means that the application acknowledges whatever data is exchanged so …
Which layers of the TCP IP protocol suite are involved in a router?
The TCP/IP model is based on a five-layer model for networking. From bottom (the link) to top (the user application), these are the physical, data link, net- work, transport, and application layers. Not all layers are completely defined by the model, so these layers are “filled in” by external standards and protocols.
What is the minimum header size of an IP packet?
20 bytes
The minimum size is 20 bytes (header without data) and the maximum is 65,535 bytes. All hosts are required to be able to reassemble datagrams of size up to 576 bytes, but most modern hosts handle much larger packets.
What is the size of TCP header?
The header of a TCP segment can range from 20-60 bytes. 40 bytes are for options. If there are no options, a header is 20 bytes else it can be of upmost 60 bytes. A 16-bit field that holds the port address of the application that is sending the data segment.
What are the layers in the Internet protocol stack?
TCP/IP Protocol Architecture Model
| OSI Ref. Layer No. | OSI Layer Equivalent | TCP/IP Protocol Examples |
|---|---|---|
| 5,6,7 | Application, session, presentation | NFS, NIS+, DNS, telnet , ftp , rlogin , rsh , rcp , RIP, RDISC, SNMP, and others |
| 4 | Transport | TCP, UDP |
| 3 | Network | IP, ARP, ICMP |
| 2 | Data link | PPP, IEEE 802.2 |
What happens when a packet reaches its destination?
When a packet reaches a router, it will look at the destination address to determine where to send the packet. If the router’s forwarding tables know where the packet should go, the router will send the packet out along the appropriate route.
Why an Internet packet might not reach its destination?
Introduction – network packet loss Packet loss describes packets of data not reaching their destination after being transmitted across a network. Packet loss is commonly caused by network congestion, hardware issues, software bugs, and a number of other factors which we discuss in detail below.
What is TCP header format?
TCP wraps each data packet with a header containing 10 mandatory fields totaling 20 bytes (or octets). Each header holds information about the connection and the current data being sent. TCP data offset – This specifies the size of the TCP header, expressed in 32-bit words. …