Given the following output, on which interface will a packet destined for 192.168.1.34 /24 be routed? RouterA> show ip route C 10.0.0.0/8 is directly connected, Serial0/1 R 172.17.0.0/16 [120/1] via 192.168.1.10, Serial0/0 C 172.16.0.0/16 is directly connected, FastEthernet0/0 192.168.1.0/30 is subnetted, 1 subnets |C 192.168.1.8 is directly connected, Serial0/0 Serial 0/1 Serial 0/0 Fast Ethernet 0/0 None of the above

Given the following output, on which interface will a packet destined for 192.168.1.34 /24 be routed? RouterA> show ip route C 10.0.0.0/8 is directly connected, Serial0/1 R 172.17.0.0/16 [120/1] via 192.168.1.10, Serial0/0 C 172.16.0.0/16 is directly connected, FastEthernet0/0 192.168.1.0/30 is subnetted, 1 subnets |C 192.168.1.8 is directly connected, Serial0/0 Serial 0/1 Serial 0/0 Fast Ethernet 0/0 None of the above

A+ Guide to Hardware (Standalone Book) (MindTap Course List)

9th Edition

ISBN:9781305266452

Author:Jean Andrews

Publisher:Jean Andrews

Chapter8: Connecting To And Setting Up A Network

Section: Chapter Questions

Problem 15RB

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29. The following figure shows the IP addresses of t he interfaces connecting routers R1, R2, and R3. A static route is configured on R1 using the com mand ip route-static 10.0.23.0 24 10.0.13.3, so th at the IP address 10.0.23.3 of GE0/0/2 on R3 can be pinged from R1. To prevent the communicati on failure between R1 and R3 in the event of the link between them becoming faulty, a backup lin k to 10.0.23.3 needs to be configured. Which of t he following commands should be used to confi gure the backup link? A. [R1] ip route-static 10.0.23.0 24 10.0.12.2 preference 40 B. [R1] ip route-static 10.0.23.0 24 10.0.12.2 preference 80 C. [R1] ip route-static 10.0.23.0 24 10.0.12.2 preference 40 [R3] ip route-static 10.0.12.0 24 10.0.23.2 D. [R1] ip route-static 10.0.23.0 24 10.0.12.2 preference 80 [R3] ip route-static 10.0.12.0 24 10.0.23.2
Assume that a Host A contacts a name server B to get a cached DNS response (i.e., B does not have to go to the root name server, TLD name server, or authoritative name server to get a response). Suppose that A and B can communicate using UDP or TCP. However, any packet sent from A to B or from B to A has an independent chance of being lost of 10%. Let the round trip time for a packet to go from A to B and back (or B to A and back) be RTT. Let A start at a time = 0s. When the time is 2RTT, which of TCP or UDP is the better option for A to get the DNS response from B? Better here means higher probability of correctly receiving the DNS response
a. Suppose we send into the Internet two IP datagrams, each carrying a different UDP segment. The first datagram has source IP address A1, destination IP address B, source port P1, and destination port T. The second datagram has source IP address A2, destination IP address B, source port P2, and destination port T. Suppose that A1 is different from A2 and that P1 is different from P2. Assuming that both datagrams reach their final destination, will the two UDP datagrams be received by the same socket? Why or why not? b. Suppose Alice, Bob, and Claire want to have an audio conference call using SIP and RTP. For Alice to send and receive RTP packets to and from Bob and Claire, is only one UDP socket sufficient (in addition to the socket needed for the SIP messages)? If yes, then how does Alice's SIP client distinguish between the RTP packets received from Bob and Claire?
Apply subnetting for the following topology, use the major network is “160.20.0.0". Find only the subnet id and the broadcast IP address for all the subnets. LaptapT Laptop Laptpr Lapties Routero Laptao Laptap Laptupr Laptapo 26200 295OT-24 2620M 95OT-24 Router1 Router2 Switcha Switcho Laptap Laptop Laptpr Laptp Subnet id Broadcast IP Address Subnet 1 a. b. Subnet 2 с. d. Subnet 3 е. f. Subnet 4 g. h. Subnet 5 i. j. Subnet 6 k. 1.
A router needs to transmit an IPv4 datagram with a total size of S bytes. The link layer of the router’s output port uses ATM AAL5 standard. Find the number of ATM cells that will be transmitted on this port, and the needed padding bytes, if any, for the following cases: For S = 42140, the total number of ATM cells is cells, and the number padding bytes are bytes. For S = 8871, the total number of ATM cells is cells, and the number padding bytes are bytes. For S = 36211, the total number of ATM cells is cells, and the number padding bytes are bytes. For S = 17752, the total number of ATM cells is cells, and the number padding bytes are bytes.
. Suppose Host A sends over a TCP connection to Host B one segment with sequence number 3777 and 1500 bytes of data. Assuming the segment is received correctly, what is the sequence number of the ACK that Host B sents to Host A for this segment? 2.Calculate the the Internet checksum of 0100 1011 1001 1111 and1100 1100 0101 1101. 3.How many control messages are required to close a TCP connection?
Suppose Host A sends two TCP segments back to back to Host B over a TCP connection. The first segment has sequence number 90, the second has sequence number 110. How much data is in the first segment? What will be the acknowledgement number Host B sends to Host A upon receiving the first segment? 19, 90 19, 110 20, 90 20, 110
There are two hosts a and B, which are connected through router R1. The IP addresses and MAC addresses of a, B and R1 are shown in the figure. Write out the ARP request packet sent by a to B and the MAC address and IP address of the received ARP response packet. (including source address and destination address). 220.168.11.16 A 00-15-C5-C6-CB-11 220.168.11.1 R1 220.168.10.1 02-21-13-16-42-910-15-C5-C6-08-11 220.168.10.12 MACE 00-15-CS-CB-C4-95
You would like to send a 2100-byte chunk of data uslng TCP from Computer A to Computer B. TCP segments are carrled In IP datagrams with a 20-byte header. IP datagrams are carrled In a data link frame with a 10-byte header. The maxlmum segment slze for TCP Is 800 bytes. The physlcal layer protocol can support a data rate of 1 Mbps. Assume a total round-trip time of 10 ms between the sender and the recelver. How many frames will need to be sent from Computer A to Computer B? What Is the size of each TCP segment? Show your work
Suppose an Ethernet packet represents a TCP acknowledgment; that is, the packet contains an IPv4 header with no options and a 20-byte TCP header but nothing else. Is the IPv4 packet here smaller than the Ethernet minimum packet size, and, if so, by how much? What if the packet is IPv6 with no extension headers?
Consider two hosts P and Q connected through a router R. The maximum transfer unit (MTU) value of the link between Pand Ris 1500 bytes, and between Rand Qis 820 bytes. A TCP segment of size 1400 bytes was transferred from P to Q through R, with IP identification value as 0x1234. Assume that the IP header size is 20 bytes. Further, the packet is allowed to be fragmented, i.e., Don't Fragment (DF) flag in the IP header is not set by P, Which of the following statements is/are correct? (a) Two fragments are created at R and the IP datagram size carrying the second fragment is 620 bytes. (b) If the second fragment is lost, P is required to resend the whole TCP segment. (c) TCP destination port can be determined by analysing only the second fragment. (d) If the second fragment is lost, R will resend the fragment with the IP identification value 0x1234
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?