Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
header length this field specifies the length of the tcp header in 32 bit words this information allows the
acknowledgment numberthis 32 bit field defines the byte number that the from the segment is expecting to receive the
tcp connectionstcp is an end to end point to point transport used in internet being a point to point protocols means that
connection oriented transport tcpin addition to providing reliable communication transmission control protocols effects errors
no retransmissionthis protocols will not through the correctly received packets but buffers than and send
buffering this protocols provides the advantage of buffering to the receiver can buffer any out of order packets after being
time outtimers are used to protect against lost packet each packet must have its own logical timers since only a
ack receivedif an ack is received by the sender the sr sender marks that packet as having been received by the
submission instructions answer the following questions using a text processing software and submit your answers via connex possible file formats for
retransmission of packetsthe disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the
maintaining the sequence numberthe other advantage of gbn is that it maintain the next sequence
simplicity the advantage of this approach is the simplicity of receiver buffering the receiver need not buffer out of order packets
receipt of acknowledgmentin our gbn protocols an acknowledgment for packet with sequence number will be taken to be accumulative
lengththis is a 16 bit field that defines the total length of the user datagram header plus data this 16 bit can
destination port numberthis is port number used by the process running on the destination host it is also 16 bits long if the
udp segment structurethe primary purpose of the udp protocols is to expose datagrams to the application layer the udp protocols
question requires you to produce a pcap file from a wireshark capture in addition you must include a screen capture of wireshark and some
question requires you to develop firewall rules based on a fictitious organisationscenarioyou work for a security-conscious company xc-cure who
question 1the following is a dump of a tcp header in hexadecimal format00cd0018 00000ef1 00000d5d 502200d1 01bf0010please answer the following two
connectionless multiplexing and de multiplexingjava program running in a host can create a udp socket with the linedatagrams socket my
overview of the transport layer protocolstransport layer can be available more than protocols to the network
transport layerin computer networking it the transport layer is where sessions are exchanged between hosts this layer resides
dns records and messagestwo types of records are used dns the question records are used in the question section of the query
authoritative dns serversevery organization with publicly accessible hosts such as web server and mail several on
top level domain tld serversthese servers are responsible for top level domains such as com org net edu and going and