Let a stream of packets from Host A and Host B using IPSec. Then a new SA will be established for each packet sent in the stream.True or False.
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Let a stream of packets from Host A and Host B using IPSec. Then a new SA will be established for each packet sent in the stream.True or False.
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- Give outcome of the given scenario: It only permits a user send five packets to its destination at once. Before the sender sends the sixth packet, the sender should wait for the first packet's ACK.A UDP packet is to be sent to a network with MTU=1460 Bytes. The size of UDP data field is 2992 Bytes. Assume this packet is fragmented when traversing the network. Please give the values for the following IP header fields in each IP fragments: Total Length, MF and Offset. Note: Assume IPV4 is used. There is no option field in IP header, i.e., the size of IP header is 20 Bytes. The size of UDP header is 8 Bytes. All numbers are in decimal.Consider using IPsec to send a stream of packets from Host A to Host B. For each packet sent in the stream, a new SA is usually created. Is this statement true or false?
- Host A sends a UDP datagram containing 8880 bytes of user data to host B over an Ethernet LAN. Ethernet frames may carry data up to 1500 bytes (i.e. MTU = 1500 bytes). Size of UDP header is 8 bytes and size of IP header is 20 bytes. There is no option field in IP header. How many total number of IP fragments will be transmitted and what will be the contents of offset field in the last fragment?Select the FALSE statements as shown below: i) Two distinct Web pages (e.g., www.uthm.edu.my/research.html and www.uthm.edu.my/students.html) can be sent over the same persistent connection. ii) With non-persistent connections between browser and origin server, it is possible for a single TCP segment to carry two distinct HTTP request messages. iii) The Date: header in the HTTP response message indicates when the object in the response was last modified. iv) HTTP response messages never have an empty message body. a) i, ii, and iii b) i, ii, and iv c) i, iii, and iv d) ii, iii, and ivConsider an HTTP 1.1 client and server. The RTT delay between the client and server is 1 seconds. Suppose the time seconds. server needs to transmit an object into its outgoing link is 3 initiate TCP connection RTT request file RTT. time to -transmit file file received time time You can assume that any other HTTP message not containing an object sent by the client and server has a negligible (zero) transmission time. Suppose the client makes 30 requests, one after the other, waiting for a reply to a request before sending the next request. Using HTTP 1.1, how much time elapses between the client transmitting the first request, and the receipt of the last requested object?
- Host A sends the information of size 3000 bytes to Host B using TCP protocol. As long as Host B receives each packet in size 1000 bytes, Host B must acknowledge Host A. We assume the header size in each packet is 40 bytes, the starting sequence number used by Host A is 1000, and the window size of the sender side is 3000 bytes. What is the value of RCV.NXT in Host B when the second packet in Host A is sent out and acknowledged? Question options: 1000 2000 3000 4000The first of these packets is from your computer to the DHCP server telling it to release the lease on your IP address. The next 4 packets renew that lease. Note that the source address on the “DHCP Discover” and “DHCP Request” packets is 0.0.0.0. This indicates that your computer does not actually use its new IP address until the interchange has completed. Also note that the destination address in each of the 4 packets is a broadcast address[1]. It should be obvious to you why the first two packets are broadcasted, but what about the last two? Can you explain this? Answer the questions in your Word document right after you post a snapshot of the DHCP packet screen. (#4)ABC Company needs to deploy an application through which incoming TCP packets are to be scrutinized according to the content type and the payload information it carries. While content types are explicitly available through the flag, payload contents are to be read and sorted. To sort this incoming TCP packets payload, identify the method and sort the payload accordingly. Imagine the inputs accordingly. Write a Code Using JAVA STREAM FILTER
- True or false 9. Suppose host A sends host B one segment with sequence numbers 38 and 4 bytes of data. Then in this same segment, the acknowledgment number is necessarily 42. 10. Suppose host A is sending a large file to host B over a TCP connection. If the sequence number for a segment of this connection is m, then the sequence number for the subsequent segment will be m + 1. 11. Host A is sending host B a large file over a TCP connection. Assume host B has no data to send A. Host B will not send acknowledgments to host A because host B cannot piggyback the acknowledgments on data. 12. Consider an HTTP server using persistent connections. Suppose the server spawns a sep- arate process for each client that connects to the server. Then each of these spawned pro-cesses will have different server port numbers.A TCP connection has been running for a long time and the value of cwnd = 22759. The MSS is the traditional value of 1460 (Ethernet payload minus the TCP and IP headers). Assume that a packet gets successfully ACKed and then a timeout occurs due to packet loss. What are the values of cwnd after each sequential event? (Apply the integer floor function here and always round down for all fractional values.) cwnd after ACK: cwnd after dropped packet:14.Which one is true for Go-Back-N protocol ? In case of errors, receiver sends negative acknowledgement for the packet with error. There is no buffer area in the receiver The packets reach to the receiver without any errors. The packets are received in the order that they send