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What is The header of an IPv4 packet does not include fields required for?
Wiki User
∙ 14y ago
The header of an IP packet does not include fields required for reliable data delivery. There are no acknowledgments of packet delivery. There is no error control for data.
Wiki User
∙ 14y ago
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Contrast the IPv4 and the IPv6 header fields?
Simplified header format. IPv6 has a fixed length header, which does not include most of the options an IPv4 header can include. Even though the IPv6 header contains two 128 bit addresses (source and destination IP address) the whole header has a fixed length of 40 bytes only. This allows for faster processing. Options are dealt with in extension headers, which are only inserted after the IPv6 header if needed. So for instance if a packet needs to be fragmented, the fragmentation header is inserted after the IPv6 header. The basic set of extension headers is defined in RFC 2460.
Why is header checksum required in TCP?
Its used to detect an error if the packet may be mis-routed. I'm not 100% sure.
Why is a packet header important?
aqs WD
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.
What information is used at each hop to determine where the packet will be forward to?
ip packet header
What information is used at each hop to determine where the packet will be forwarded next?
ip packet header
In the IP Protocol What is the header overhead?
Internet Protocol, or IP, puts a header on every packet that it sounds out. This header is the overhead. All protocols, such as TCP or UDP, will put a header on the packet. The IP header contains information such as source IP address and destination IP address and is used by routers to figure out where to send the packet. ex. you send your friend a 1kb file, but it takes up 1.5kb of bandwidth due to overhead
What is the component of data link?
header, packet(data), and trailer
What in an IP packet header contains information that prevents a packet from continuously circulating around a network?
See time-to-live (TTL) packet
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.
Firewall is a router that examines the header of every packet of data it receives to determine whether that type of packet is authorized to continue to its destination?
packet-filtering
What 3 parts of a data packet?
the answer is a Header,the a Payload, then last is the Trailer
