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What is an IP packet?
An IP packet is a network data packet using Internet Protocol (IP) format.
How router came to know that the traffic is meant for which local IP?
Routers use a process called packet forwarding to determine which local IP address a data packet is intended for. When a packet arrives at a router, it examines the destination IP address in the packet header and compares it to its routing table, which contains a list of local IP addresses and their corresponding ports. If the destination IP matches a local device's IP, the router forwards the packet to that specific device within the local network. Additionally, routers utilize protocols like ARP (Address Resolution Protocol) to map IP addresses to MAC addresses, ensuring proper delivery within the local network.
What is the role of the address field in a packet travelling through a datagram?
There are two address fields. Source is the IP address the packet came from and destination is the IP address the packet is meant to be delivered to.
Which protocol creates the final IP packet?
The IP protocol creates all IP packets.
Are both UDP and IP unreliable to the same degree?
When IP sends a packet, it receives a confirmation for each packet and, if needed, rebroadcast the packet. This makes it reliable. UDP does not get confirmation. It broadcast each packet only once and assumes that it get to you. This makes it less reliable then IP because it does not check for problems or rebroadcast.
What data can an ip packet contain?
An IP packet can contain data about the format of the internet header and the abstract parameters such as the header checksum. The IP packets also provide an internet time stamp.
Which field of the IP Packet indicates the remaining life of the packet?
TTL- Time To Live
What information is used at each hop to determine where the packet will be forward to?
ip packet header
In tcp ip the protocol that garuntees packet delivery is ip?
No, the protocol that guarantees packet delivery is TCP.No, the protocol that guarantees packet delivery is TCP.No, the protocol that guarantees packet delivery is TCP.No, the protocol that guarantees packet delivery is TCP.
Describe the three main types of firewalls?
The three main types of firewalls are packet-filtering firewalls, stateful inspection firewalls, and proxy firewalls. Packet-filtering firewalls analyze data packets and allow or block them based on predefined rules, focusing on IP addresses, ports, and protocols. Stateful inspection firewalls maintain a record of active connections and make decisions based on the state of these connections, providing more security than simple packet filtering. Proxy firewalls act as intermediaries between users and the internet, forwarding requests and responses while hiding the user's IP address and providing additional security features.
Which portion if the destination IP address is used as a packet is routed through the Internet?
Which portion of the destination IP address is used as a packet is routed through the Internet?
What information is used at each hop to determine where the packet will be forwarded next?
ip packet header
