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- 1-Assume that you are using even parity equivalent to a 7-bit ASCII. How will the word IPv4 be transmitted? put a space after each letter or number. 2-Suppose you are using an odd parity, what should the binary word “01101011” look like after you add the parity bit? 3-Suppose you receive a binary bit word “011111” and you know you are using even parity. Is the binary word errored? Write Yes or No. 4-The following block is sent: 0110111 0101010 1101010 1010101. Using a 2-dimensional parity check, what will be received by the receiver without the block being corrupted in transmission. put a space after each frame (8 bits). your final answer shoule be 5 frames. 5-Given: Original message : 110101010; Generator: 1010 Perform a CRC Calculation: 6-The symbols M and N are transmitted. Show the transmission of this data (at the sender and receiver) using Checksum Method.Which protocols have the largest transmission and receive windows using 4-bit sequence numbers? a. Stop-and-Wait b. Return-N b. Selective-Repeat1- What is the error message that occurs when the manager sends Set_Request to a read-only object? Also, list out any three error messages in SNMP v1. 2- What kind of network management protocols are available? What information can these protocols provide? Explain it with example. 3- Encode 32-bit INTEGER 12 in TLV format? What is the broadband communication system and how broadband network support quality of service (Qos)?
- Use the following filter rule in Wireshark ip.flags.mf == 1 || (ip.flags.mf == 0 && ip.frag_offset > 0) Answer the following questions What is the size of the largest fragment you are able to find? What address is common to all the fragments of this size? 3. What is the size of the smallest fragment you are able to find?.Which of the following statement is true about the Internet Protocol version 4? Choose an answer A Fragmentation is performed by the sender alone B None of these C The checksum field is available in the header D The address length is 128 bits or 16 bytesWhich of the following statements is/are correct?I. The fragmentation is applicable for data in the datagram but not for header.II. Reassembly of the fragments must be performed at the destination because, the intermediatenetworks may have different maximum transmission unit (MTU) sizes.III. In the IP header, the time-to-live (TTL) field is invariable.(A) I and II(B) I and III(C) II and III(D) All are correct
- given printer's IP address is 200.23.16.202 and subnet mask is 255.255.255.224 if we changed with a new subnet mask, which is changed to 255.255.255.128. Find the new network ID and host ID of this printer. You must write both in the standard dot-decimal format without attaching the subnet mask.( show the calculation works)1. Assume L1 has a bandwidth of 0.5 Mbps (Megabits per second) and L2has a bandwidth of 1 Mbps (Megabits per second). Assume a propagationdelay of 0.1 seconds for each link. How long does it take to send a 1Megabyte file (8 bits per byte) using message switching?2. What about using packet switching with 1 Kilobyte packets and no headers(1000 Kilobytes per Megabyte)? 3. Using the same details as the previous question, how many complete packets have reached R1 at 1 second?Answer the questions below about CSMA/CD protocol: i) Fill in the missing words in the gaps of the following text: “In CSMA/CD the ____________ (A) waits K ____________ (B) after a collision, where K is drawn ____________ (C). If you take the last three digits of your QMUL student ID as an example of value for K, the adapter would wait _________ (D) ____ __ (E) that corresponds to ___________ (F) miliseconds for a 5Mbps broadcast channel, ___________ (G) miliseconds for a 100Mbps broadcast channel, and ____________(H) miliseconds for a 1000 Mbps broadcast until returning to the step of sensing the channel.” Note: You are required to write down the gaps numbered A to H and show your calculations.
- Based on the given block data below, answer the following questions. Hint: First do Google search for ‘packet dump decode’. Then cut and paste the block of data below into the input data section. Then press decode. You will be able to find the answer from the decoding result. Hint Q6: For the payload of the application layer, look at the last few bytes in ASCII. You can use the ASCII character table to manually convert them. If you understanding the layer 4 destination port #, you understand what it is asking for. There is only one kind of information for the port #. Data block to be decoded: 00 11 bc b5 49 40 b8 8d 12 00 0d fa 08 00 45 00 00 37 99 09 00 00 ff 11 ea 9f 0a 07 03 1a 42 aa e8 41 c7 19 00 35 00 23 a3 9e 02 90 01 00 00 01 00 00 00 00 00 00 05 6d 69 74 72 65 03 6f 72 67 00 00 01 00 01 Please answer the following questions after decoded the above data block: Q1: (Layer 4) Protocol is: Q2: Source MAC address: Q3: Destination MAC address: Q4: Source IP address:…. Assume: Your laptop's Ethernet address is 0a:0b:0c:0d:0e:0f, DHCP server address is 131.111.7.3, your IPv4 address will be 131.111.7.121, the gateway's IP address is 131.111.7.1, and Ethernet address is 00:01:02:03:04:05, the network subnet mask is 255.255.255.0.Write the series of protocol/packet exchanges that occur on the wired Ethernet link, up until you can send a single packet to 128.232.0.20. You do not need to describe packets after this packet has left the link. Include ARP and DHCPa.) Why have the standards makers chosen to specify that requests for Delivery Status Notifications are to be sent via SMTP, and not via a header in the mail heading? b.) What protocols can be applied when you want to transfer files between different platforms, such as UNIX systems and Windows servers? c.) In a Stop-and-Wait ARQ system, the bandwidth of the line is 2 Mbps, and 2 bit takes 30 ms to make a round trip. What is the bandwidth-delay product? If the system data frames are 10000 bits in length, what is the utilization percentage of the link?