ITEC_357_Review_1

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Draw a network design that you think will be useful in the future for the industry that you have visited. Network should include the following requirements:  3 routers 4 switches 10 PCs 4 VLANs. Suitable IP addressing scheme in tabular form (assume as many hosts as necessary for each department). Indicate where do you use static routing, dynamic routing protocols (name the protocols, RIP, EIGRP, OSPF, etc.), Access Control List (ACL) as per the network preferences. Justify your choices.

4. The original HTTP protocol used TCP/IP as the underlying protocol. For each page, graphic, or applet, a separate TCP connection was constructed, used, and terminated. This caused several problems: one referred to as the elephant and mice problem and two aspects of connection overhead. Describe both problems. Why were separate connections used? Would UDP rather than TCP be a good alternative? What solution would you propose to these problems to improve HTTP performance?

Using the network diagram and information given create an addressing scheme which utilizes variable-length subnet masks. This company will be using the class C address 222.10.150.0. Remember to start with your largest groups first. WAN ADDRESS: Boston 12 Hosts LAN ADDRESS: Toyko GATEWAY ADDRESS: IP ADDRESS RANGE: LAN ADDRESS: GATEWAY ADDRESS: IP ADDRESS RANGE: WAN ADDRESS: 24 Hosts London 37 Hosts LAN ADDRESS: LAN ADDRESS: GATEWAY ADDRESS: IP ADDRESS RANGE: GATEWAY ADDRESS: IP ADDRESS RANGE:

With reference to the Internet MIB-II group Figure below, state the object Identifier for the following nodes:

w ith reference to the Internet MIB-II group Figure below, state the object Identifier for the following nodes: Internet Experimental mib-2 system ip icmp tcp transmission

With reference to the Internet MIB-II group Figure below, state the object Identifier for the following nodes: · Internet · Experimental · mib-2 system · ip · icmp · tcp · transmission.

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Create a spanning tree for the given topology. Label all ports with their status i.e. Root, designated or block. Note: STP link costs are shown in brackets

Refer to the exhibit. There are 3 LAN networks in the diagram. The network address given is 192.168.1.0/24. Your task is to do subnetting to support 62 hosts for each network.

4- The Transmission Control Protocol (TCP) is known to be one of the most important protocol used in computer networks. It helps to understand and analyse the protocol most effectively and monitor and capture the traffic using a protocol analyser. Using Wireshark capture, analyse the TCP, identify source and destination MAC address, source and destination IP address, and show the full working out of your experiment in a logical structure.

Using the network diagram and information given create an addressing scheme which utilizes variable-length subnet masks. This company will be using the class C address 192.168.16.0. Re- member to start with your largest groups first. LAN ADDRESS: WAN ADDRESS: GATEWAY ADDRESS: IP ADDRESS RANGE: Baltimore 60 Hosts Washington D.C 120 Hosts LAN ADDRESS: GATEWAY ADDRESS: IP ADDRESS RANGE: WAN ADDRESS: Frederick 20 Hosts LAN ADDRESS: GATEWAY ADDRESS: IP ADDRESS RANGE:

Which address on a personal computer (PC) does not change, even if the PC is moved to a different network? Justify your answer. Your answer: 2. Which OSI model layer manages communications in simplex, half-duplex, and full-duplex modes? Your answer: 3.How does the OSI reference model guarantee independence of layer functionality?

32- Is the following figure illustrates the correct GPRS infrastructure? MSC NLR BSS LA-Interface Interface Mobile Subscriber TRUE FALSE Gs-Interface Gb- Interface D- Interface Gn- Interface GMSC MSC Gr-Interface GB- Interface Gp-Interface HLR Ge- Interface GGSN (Gateway GPRS Support Node) Gi- Interface SGSN (Gateway GPRS Support Node) PSTN Other GPRS

LANT P LAN 1 Task 9 Link state routing (open shortest path first protocol) is used in the given network. F F Fa F F60 LAN 2 Fa F Gig LAN 2 Bandwidths of Fast Ethernet (100 Mbps) and Gigabit Ethernet (1000 Mbps) are known and the OSPF cost of an interface is defined as: Cost 100Mbps/ (interface bandwidth). Solve the subtasks below. Write down all assumptions. a) Determine routing table of router A (15p) Destination Next A vertex 1 B с D E F G H OSPF cost 0 b) Determine the lowest OSPF cost from the device in LAN 1 to the device in LAN 2. (5p) c) Draw all sink trees for Router A. One graph should represent one sink tree. (10p)

Chose the appropriate terminology which expresses the following concepts: (Flow control, A token-ring Network, RTT, star topology, non-persistent HTTP, persistent HTTP, Network layer, Persistent, Interconnection, bus topology, Transport services, DNS). NO Terminology Description 1 Is a deterministic network, meaning each station connected to the network is assured access for transmission of its messages at regular or fixed time intervals. 2 Multiple objects can be sent over single TCP connection between client, server. 3 Allows users to exchange information (data) with other network members. All LAN data traffic is carried over a common coaxial cable link. Value used for error checking. Response time=2RTT+ file transmission time. 10 5 6

Network topology is a physical arrangement of the network. a) Draw a diagranm that shows 6 nodes of computer in Ring topology. b) Based on your answer in (a), what will be happen if all these 6 nodes of computers are disconnected but are connected to ONE host computer?

Hi, please solve it correctly ,else i will downvote . Subject code - rcs511

• IPV6 addresses use 128 bits to represent an address which includes bits to be used for subnetting. The second half of the address (least significant 64 bits) is always used for hosts only. Therefore, there is no compromise if we subnet the network. Use the Figure below to Create five subnets using route prefix 2001:db:acad::/48 (1 Marks) Routing Prefix Subnet ID Interface ID 48 Bits 16 Bits 64 Bits

Discrete Mathematic Question:   Pretend we are defining a new class of networks: 1 byte for network IDs and 1 byte for hostID. The definition of class A is: networkdID is :  0xxx-xxxx  and the one byte (8 bits) hostID cannot contain all 0s and 1s.  The definition of class B is: networkdID is :  10xx-xxxx  and the one byte  (8 bits)  hostID cannot contain all 0s and 1s The definition of class C is: networkdID is :  110x-xxxx  and the one byte  (8 bits) hostID cannot contain all 0s and 1s.    How many total IP addresses can we have with the above definition?

Design and implement an addressing scheme with a given network address: 172.32.0.0/18.  Subnet the allocated prefix into 5 networks with 8 addressable host on the first 4 subnetworks, and 2 addressable host on the 5th subnetwork.

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SUBNET ADDRESSING Consider the router and the two attached subnets below (A and B). The number of hosts is also shown below. The subnets share the 23 high-order bits of the address space: 144.145.110.0/23 175 hosts QUESTION 3 OF 10 A Answer What is the subnet address of subnet A? (CIDR notation) 144,145.110.0/23 Assign subnet addresses to each of the subnets (A and B) so that the amount of address space assigned is minimal, and at the same time leaving the largest possible contiguous address space available for assignment if a new subnet were to be added. Then answer the questions below. B 84 hosts

Create a spanning tree for the given topology. Label all ports with their status i.e. Root, designated or block. Note: STP link costs are shown in brackets

6.4-2 Network- and Link-layer addressing: an end-to-end-scenario (1b). Consider the network shown below. The IP and MAC addresses are shown for hosts A, B, C and D, as well as for the router's interfaces. Consider an IP datagram being sent from node B to node D. Match the source/destination network- or link-layer address at the location (4) by choosing a value from the pulldown list. [Note: You can find more examples problems similar to this here.] 49-FA-BO-3C-E2-70 128.119.50.60 68-01-BC-58-AF-24 128.119.50.107 4C-9D-AA-74-D6-1F 128.119.240.52 77-34-F1-EF-14-72 128.119.97.18 (1) (2) (5) 72-9E-4A-31-9C-42 128.119.240.15 D5-A0-EE-9A-73-D5 128.119.240.116 CC-A5-81-OB-AE-33 128.119.97.194 What is the source MAC address on the frame at point (4)? 1.128.119.50.60 * What is the destination MAC address on the frame at point (4)? 2.72-9E-4A-31-9C-42 e What is the source IP address of the datagram at point (4)? 3. 128.119,50.107 - What is the destination IP address of the datagram at point (4)?…

6.4-3 Network- and Link-layer addressing: an end-to-end-scenario (1c).  Consider the network shown below. The IP and MAC addresses are shown for hosts A, B, C and D, as well as for the router's interfaces. Consider an IP datagram being sent from node B to node D.  Match the source/destination network- or link-layer address at the location (5)by choosing a value from the pulldown list. [Note: You can find more examples of problems similar to this here.]

3. Write the commands to configure the OSPFV3 in the following topology diagram. Area 1 Area 0 Fa0/0 2001:DB8:1:12:/64 2001:DB8:1:1:/64 Fa0/0 So/o ::1 ::2 R2 ::2 ::1 So/0 R1 ::1 SO/0 ::3 Area 14 Fa0/0 ::1 Fa0/1 so/1 ::4 2001:DB8:1:13::/64 R3 2001:DB8:1:14::/64 Fa0/0 R4 ::4 Fa0/1 2001:DB8:1:4::/64 4. a) Router R1 b) Router R2 c) Router R3 d) Router R4 2001:DB8:1:23:/64

3. Write the commands to configure the OSPFV3 in the following topology diagram. Area 1 Area 0 Fa0/0 2001:DB8:1:12::/64 A 2001:DB8:1:1::/64 Fa0/0 So/O :1 ::2 So/0 R2 ::2 ::1 R1 so/0 ::1 SO/1 ::3 ::1 Area 14 Fa0/0 Fa0/1 ::3 ::4 2001:DB8:1:14:/64 2001:DB8:1:13::/64 R3 Fa0/0 R4 ::4 Fa0/1 2001:DB8:1:4::/64 4. a) Router R1 b) Router R2 c) Router R3 d) Router R4 4. Answer the following questions based on Layer 3 VLAN Configuration. Routero Fa0/0 10.10. 10.1/24 no switchportFa0/3 10. 10.10.2/24 trunk Fa0/1 trunk Multilayer trunk Fa0/1 Fa0/2 trunk access vlan 2 Fa0/1 Fa0/2 Switcho Switc access vlan 3 Fa0 Fa0/2 192. 168.3.0/24 (VLAN 3) 192. 168.2.0/24 (VLAN 2) Fa0 PCO PC1 a) Write the steps to configure VLAN in Layer 3 Switches. b) How many VLANS are there in the above topology diagram c) Identify the trunk link in the above topology diagram d) How many sub-interfaces to be created in Router 0 e) Do we need any Routing Protocol or Static Route to be configured to communicate from PC0 to PC1?…

Consider the following virtual circuit network with three reserved virtual circuits: уC1: H1, А, С, Е, Н2 VC2: H3, A, F, D, H4 ус3: НЗ, А, F, D, E, H2 Host H4 Host H3 Нost H2 Host H1 Draw the routing table of router D and the routing table of router C. *you may design a table using the HTML editor or write the content of routing table record by record (record per line).

CSE1A Eighth Question

2. Subnetting a subnet or using variable-length subnet mask (VLSM) was designed to maximize addressing efficiency. You are required to subnet, based on the number of hosts, including router interface and WAN interface and WAN connections for the following scenario: •Toronto: 60 host addresses •Montreal: 28 host addresses •Ottawa: 12 host addresses •Vancouver: 12 host addresses •WAN1: 2 host addresses •WAN2: 2 host addresses •WAN3: 2 host addresses Using the given address block of 192.168.15.0/24, you can design an address scheme for the network to meet its requirements and save potential addresses. The data for Toronto is given to help you to fill the remaining all other columns. Name Toronto Montreal Ottawa Vancouver WAN1 WAN2 WAN3 Required no of addresses 60 28 12 12 ~~ 2 2 2 Subnet Address 192.168.15.0 Address Range .1 - .62 Broadcast Address .63 Network/ Prefix 192.168.15.0 /26 19

SUBNET ADDRESSING Consider the router and the two attached subnets below (A and B). The number of hosts is also shown below. The subnets share the 23 high-order bits of the address space: 144.145.110.0/23 : A 175 hosts QUESTION 2 OF 10 Answer How many hosts can there be in this address space? 144.145.110.0/23 B Assign subnet addresses to each of the subnets (A and B) so that the amount of address space assigned is minimal, and at the same time leaving the largest possible contiguous address space available for assignment if a new subnet were to be added. Then answer the questions below. 84 hosts