Computer Network Questions and Answers May 31, 2018

Given the following steps, what is the correct sequence used by Windows to resolve a domain name (a) Query the DNS server (b) Use arp to resolve the IP address (c) Access the hosts file (d) Use ipconfig to identify the IP address (e) Check the DNS cache 1. db 2.cea 3.acdb 4.adb 5. abd

Suppose an algorithm solves a problem of size n in at most the number of steps listed given below T(n) (n 2n) (3n) Calculate the asymptotic time complexity (big or bigtheta) for T(n). Show your work, including values for c and no along the way.

What is the IUPAC name of the following compound OH H3C CH3 (A) 4isoproylheptan3ol (B) (3S,4S)4isoproylheptan3ol (C) (3R,4S)4isoproylheptan3ol (D) (3R,4S)4isoproylhexan3ol

Show in details calculation for: a) Perform feed forward on the network b) Perform back propagation learning once for the target output is 0.23 more than the output c) Perform feed forward for new weights and compare the result.

3 0.3 0.5 0.6 0.1 0.4 0.2

What is the value of F D F

What are the three functions of Server Message Block (SMB)? (3 marks) Why is DHCP for IPv4 preferred for use on large networks? (1 mark) What type of attack may involve the use of tools such as nslookup and fping? (1 mark) Which firewall type you learned in Module 16 that could be used to mitigate denial of service (DoS) attack and what is the

Write a program that has the class name IsFactor. The program should ask the user to enter two integers (assume both will be greater than 1). . The program should determine if the smaller of the two numbers is a factor of the larger of the two (regardless of which order the numbers are entered). Based on whether the smaller is a factor of the

Explain how to compute the determinant of a matrix A by using its LU decomposition. It takes about 2m3 floatingpoint operations to compute the LU decomposition of a square matrix of dimension m. Suppose its determinant could be computed with m more multiplications. How long (in milliseconds) would it take a computer that can perform 1 billion (

1. Write a C definition of sumEvens(n), which takes an even positive integer n and yields the sum of the even positive integers that are less than or equal to n. For example, sumEvens(10) should return 2 4 68 10 30. For this problem, use recursion, not a loop. Do the ad ditions directly, not via a formula. Assume that n is an even positive

5. Write a MATLAB program that evaluates each of the following expressions. Let a4, b1.5, c1.63E2. Turn in a hardcopy of your .m file as well as a copy of your output in the command window from running your file. Submit you .m file on Blackboard. Verify your answers by showing your hand calculations of the problems. b b 4ac 2a b a eac tan(a) y

Calculate the total cost of ownership for onpremises vs. cloud infrastructure specifications listed below and recommend the costefficient option for each the usage period of 12, 24, 36, 48, and 60 months. Upfront Itemised Monthly Costs Rack Switches Load balancer Servers Firewalls 247 Support Mgt. software Expected labor Degraded.PERF Totals

1.10. Find all integers n between 0

1. (4 points) Assuming a 12bit word size, represent the following decimal numbers in twos complement form. Express your result using binary. 650 317 2. (4 points) Assuming the following hexadecimal numbers represent 12bit twos complement decimal values, determine the actual decimal values. FED 6A3

L w E a. b) w contains the string aa L2 w E (a, b) w mod 2 1 L3 ab n 1 L4 (ab) n 1 1. Find a grammar to generate each of the languages L, L2, L3, and L4. 2. Find a grammar to generate L3. 3. Find a grammar to generate L1 U L2. 4. Find a grammar to generate L3L4

Show the working of Algorithm 4 for the MaximumSum Subsequence problem on the integer array 4, 3, 6, 2, 5, 9, 7, 8, 1, 1, 3 by filling the following table that indicates the values of variables thisSum and maxSum after each iteration of the j loop in the algorithm. Assume that array indices start at 1 and end at 11. this Sum maxSum Initial value 0

15. Use evaluation tree to evaluate the following expression (4545)(748) (124 42)) 16. Write the truth table for logical operators AND, OR, and Not. 17. Evaluate mathematical expression (3452)(3053)(12382).

9. Draw the Stack and Heap diagrams for the following code. (5 pts) name Bobby namelen len (name) name name 1namelen 2 repeated name namelen

Briefly explain the following a. How network congestion is inferred by the TCP Congestion control protocol. b. How NAT violates the layering principals of the TCPIP protocol stack. c. Why lot devices are facing significant interoperability issues.

7. Given an array of integers 40, 5, 66, 38, 11, 13, 16 and choosing the last element of the array as a pivot, perform partitioning procedure of the QuickSort algorithm. Find (a) (3 points) the first swap (b) (3 points) the last swap (c) (3 points) the number of swaps (d) (3 points) the rearranged array.

Use a ciphertext only attack to decrypt the following text. It has been encrypted with an affine cipher. Explain your method. usdjglbdgulhytkrwkleljnfldjcyrqdghdujlkw tbrgalywfkurrkdvdhsuprvctyldubdustvralyg zyfcchfgjrlt jdkxgrljduclgluytuletyydlyjb sdpsblyldvcylhgteklleqtgqklpz

5) Considering a TCP Reno with cwnd 6000 byes, ssthresh64 Kbyes. The MSS is 1000 bytes. Now it receives 3 duplicate Acks, what will the cwnd and ssthresh become A) ssthresh 64 Kbytes, cwnd 1000 bytes B) ssthresh3000 bytes, cwnd 1000 bytes C) ssthresh6000 bytes, cwnd 3000 bytes D) ssthresh 3000 bytes, cwnd 6000 bytes E) None of the above.

Suppose you are sending a 100 byte ping packet from PC0 to PC1. Assume that there is no queuing or processing delay in the routers (hops) and that propagation delay is negligible. Assume that all of the links have a 1 Gbps transmission rate. a) 2.5 points If PC1 is directly connected to PCO with a 1Gbps link, how long does it take for the packet

1. Write a command line starting with grep showing the last three lines not containing binbash from file etcpasswd on matrix. You may use pipes in your answer. 2. (2 Marks) Explain how your answer works or explain what you did to solve this problem if your solutions did not work. 3. On matrix rewrite the command line below so errors (lines with

Here is a paranoid algorithm to compute the maximum of a set A of n real numbers Algorithm ParanoidMaximum (A) 1. if card (A) 1 then 2. 3. 4. 5. 6. 7. 8. return the unique element x A else Pick a random element x from A. ParanoidMaximum (Ax) X if x x then return x else Now we suspect that x is the maximum, but to be absolutely sure, we compare x

Given the following class, what would be the best declaration for a constructor that would allow the user to initialize the object with an initial age and cost class Wine public Wine() int getAge() float getCost () private int age float cost Select one a. int getAge(int newAge) b. Wine (int newAge, float newCost) C. Wine(int age) d. Wine()

1. Write a program to find Kth smallest and Kth largest element in unsorted array. Sample Test casel Input A4, 5, 60, 70, 33, 44 K2 Output 2nd smallest number is 5 and 2nd largest number is 60 Sample Test case2 Input A2, 46, 56, 68, 3, 34, 489, 457, 4545, 100 K5 Output 5th smallest number is 56 and 5th largest number is 68

How many times is function F called (in the asymptotic sense) in the code segment below Give a tight bound (in terms of n) and a brief explanation. 1 for i1 to n do 2 m 1 3 for j1 to n do 4 m m j 5 6 7 8 9 10 11 end for end for k 1 while k m do F(k) k k 2 end while

Consider the transform function void transform (int a, int b, int n) for (int i0 i

redundancy. Part 2 (4 pts) Write pseudocode for E. Make sure your pseudocode is structured and accomplishes the same tasks as the flowchart segment. The pseudocode needs to be simplified d. U No V W Redraw flowchart E so that it does the same thing but is structured and is simplified. Meaning that after you make the make the flowchart structured,

In this problem, we will analyze how many iterations it takes to find a square root to a given precision using binary search. (a) (5 points) Suppose we reimplemented the algorithm to go digitby digit i.e. use binary search to figure out the first digit, then use binary search to figure out the second digit, and so on. If we want our answer to be

Given the following instruction LDURB X1, X2, 0x4 Where X1 0x123456789abcdef0 and X2 0x0 and memory currently has the following data Address Data OXDEADBEEF12345678 0x8 OxBA5EBA11F005BA11 What will be left in X1 after the instruction executes (assume little endian)

Given the following instruction executed on ARMv8 in little endian mode STUR X3, X4, 0x0 Where the following register values are current Register Value X3 X4 0x123456789abcdef0 What byte will be stored in address 0x2 What byte will be stored in the same address in big endian mode

What is the output of this program include using namespace std class Test int x int main() Test t cout t.x return 0 recall that by default, class members are private. Select one a. O b. Ox(an address in memory) c. compile error d. Garbage value

3. What will be the summation of these combination numbers, 3 a where n C j0(2)( (2) (1) 4. Consider complete graphs. 1. Draw complete graph k6 (graph with 6 vertices). 2. Determine number of edges in complete graph k10 (graph with 10 vertices). 6. whether the given graph (below) has an Euler circuit. Construct such a circuit when one exists. If

Which line can free the space correctly int foo(int x) int y new intxx return y int main() int z foo(10) free space return 0 Select one a. delete z b. delete z c. delete z d. delete z

1. The signal xn is given. Sketch the signal yn xn 3. Is yn even or odd 2, n 3 0, n 3 2, n 3 xn 2. The signal xn 0 for n 4. For what values of n, yn and zn will be ZERO a) yn xn3 b) zn xn 2

Which term is not a synonym for a computer program? a.) Application b.) peripheral device c.) Computer code d.) Set of instructions Which of these criteria are used to judge website content? a.) Objectivity b.) Authority c.) Accuracy d.) All of the above What components are needed to work together when connecting a computer to the Internet? a.)

3. The signal x(t) 0 for t 3. For what values of t, w(t), y(t), and z(t)will be ZERO a) w(t) x(1 t) b) y(t) x(3t) c) z(t) x(t3) 4. The signal x(t) is shown. Sketch signals y(t) and z(t). 1 0 a) y(t) x(2t 1) b) z(t) x(4t2)

5. Convert the following circuit to an equation. Write the equation (one line) as compilable Vivado code that you would enter in the ARCHITECTURE portion of your model file. (12 pts) A B

Consider the following Boolean function F (x y z) (x y z) (x y z) For this question, do not use gates with inverted inputs, e.g. show it explicitly. . If you need an inverter, a. Implement it using only NAND gates and inverters Draw the logic circuit. Assume your NAND gates can have up to four inputs. Redraw the circuit using only 2input NAND

3. Consider the system Y(s) W(s) G(s) 1 1 (a) Use MATLAB command ss to calculate a state space realization (A, Bw, Cy, Dyw), Dyw (b) Now let AxBww, y Cyx v, z Cyc (c) Calculate the optimal variance of estimation error. (d) Calculate the eigenvalues of error dynamics system. (e) Calculate the transfer function T(s) from y(t) to 2(t) for

1a) Talk about the differences in how the communication works between all three of the levels below Technical Risk Owner level Technical Teams Manager level An Executive level 1b) Why should all 3 levels have cyber security concerns 1c) How would you build serviceable relationships at each level above In 300 words or more please.

1. Please answer following questions a. In the specific case of a one sample ttest, what is the relationship between N and the degrees of freedom b. What happens to the relationship between tand zas degrees of freedom increase c. Give an example of a situation (either a general field of research or a particular study topic) in which you think it

Which of the following is true about layered protocol architecture O The higher layers provide a service for the lower layers The layers are numbered from the top down (top layer is layer 1) All the layers are structured to be checked while passing data back and forth O The layer below provides a service to the layer above

Alice wants to send a message to Bob, Assuming they are using the TCP/IP connection stack, and the following information describes the connection: ? The message size is 10MB ? The maximum that could be sent at a time is 64KB (data + header) Answer the following questions: ? How would the message will be processed (Hint: refer to Protocol Data Unit

Q8 Given the following topology, answer the following How many collisions and broadcast domains Suppose you replace the hub device with six ports switch configured with three virtual local area networks. How many collision and broadcast domains Justify your answer. Based on the changes done in step 2, PC8 is unable to communicate with PC9. Why do

Q9 Refer to the following topology Host A wants to send a packet of data to Host B for the first time. According to that scenario, what would be the first step Host A should take to start communicating with Host B Justify your answer. IP Assress 10.10.1.1 MAC Address ABCDEF100101 Gig00 IP Address 10.10.1.2 MAC ABCDEF100102 Fa01 Fa0 Fa02 cho Host A

3. Use the API for the Math class (java.lang.Math) to answer the following a. How can you use the Math class to calculate 2 to the 10th power b. How can you use the Math class to find the square root of 100 c. How can you use the Math class to round a decimal number, 3.14150 d. How can you use the Math class to generate a random number between 1

3. For upper triangular matrices A, B Rnxn, we can have better (i.e. smaller) flop count for computing matrix product CAB by only considering nonzero elements. (a) Write a summation expression of C that includes only nonzero elements of A and B. (b) Based on this expression, write a pseudocode to compute the matrix product. (c) Estimate the number

(b) In class, we discussed numerous clique and star relaxations, like the quasiclique (where a fraction 7 0, 1 of all edges in a structure needs to exist), the kclub (where all nodes in a structure need to be within a distance of k from one another), etc. In a clique, all nodes need to be adjacent to every other node what if we relaxed this

A client of yours wishes to build a new PC using an ASUS Prime B250MK Motherbo They have not yet purchased any components. Using the internet, find an Australian retailer who sells this board, and also find the spe the motherboard. Using the motherboard specifications, answer the questions below. A. How many RAM slots (also called DIMM slots) does

4. Assuming 6bit words to store the signed numbers in a computer, perform the operations indicated below using the 2s complement binary representations of the decimal numbers, verify the results by conversions back to decimal format, and explain any discrepancies. (a) 1720 (b)2519 (c) 2229 (d) 1712 (5 Marks) (e) 176

Which threat actor will have prior knowledge of the network layout to perform a malicious attack? a. disgruntled netowork administrator b. a family member of an employee c. sales executive d. receptionist e. penetration tester

Questions to be answered by the student Q1 Response Q2 Q3 List the main elements of data protection strategy. Response Q4 What is network access security Response Q5 What is ACL What is a port filter Response What is an administrative account Response Satisfactory response Yes No x,Q6 How can you create a security role with team members privilege

The MAC address table is used by the Ethernet Switch to store information about the MAC addresses associated with each physical port. Since Switch can direct the packets to a specific user in the same LAN using the MAC address table, it provides some privacy. However, the use of the MAC address table results in a vulnerability as there is only

LAN1192.168.1.024 LaptopPT Laptop1 2901 Router1 295024TT Switch0 PCPT PC2 10.0.0.08 2901 Router3 LAN2 192.168.2.024 296 TT Switch LaptopPT Laptop0 PCPT PCO PCPT PC1

Study the scenario and complete the question(s) that follow Managing DNS Server You are responsible for managing your DNS environment. You have a UNIX DNS server named BIND1 that is the primary authoritative server for the zone eduvos.com with TSIG protection enabled. You want to use a Windows Server 2016 DNS server named SEC1 as the secondary DNS

Q1 Identify the work health and safety (WHS) issues relevant to the following that need to be considered when developing a project plan Write your answer in 3570 for each one. Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 1. 2. 3. 4. 5. 6. Electricity Material handling. Confined spaces Heights Lifting Physical Hazards What are six (6) different types of

For a (d)vSwitch with four uplinks, to achieve maximum utilization with fault tolerance, how should the uplinks be listed in the NIC Teaming and Failover settings O all active O even NICs active, odd NICs standby O 2 active, 1 standby, 1 unused O 2 active, 2 standby

VLAN trunks must usually be configured on O just the physical switch ports just the VMware uplinks both VMware uplinks and the physical switch ports they connect to neither VLAN trunks are autonegotiated

Sarah is the risk management professional for a large manufacturer of drones. The companys management has taken an aggressive approach to risk, in Sarahs opinion. Management assumes the large size (in terms of revenue) of the organization will allow it to retain more risk than Sarah believes is appropriate. What should Sarah point out to her

Combining two physical switches into one logical switch is called tunneling HSRP stacking O link aggregation

Which virtual networking security setting duplicates all frames to all devices in the port group (or on the virtual switch) forged transmits MAC address changes network IO control promiscuous mode

An aggregate link to two separate physical switches can only be created if spanning tree is disabled on those switches both vmnics are set to active in the VMware uplink settings those switches are stacked into a single virtual switch those switches implement a first hop redundancy protocol

Review Questions 1. What network adapter did you utilize to run Wireshark on 2. What website did you navigate to Any sub domains 3. What data did you find 4. Did you find a way to filter by protocol 5. What protocol stream did you follow 6. What information was found in the data that you chose to investigate 7. What tools did you utilize during

It takes 1 second of transmission delay to send a packet over a link. How many seconds does it take to transmit 100 packets over three hops Assume that all links have the same bandwidth and all packets are of the same size. Ignore all other delays.

Anola is the security administrator in XYZ consulting. She is asked to suggest a deployment method where the data is stored in a completely secure, centralized server and accessed by authorized employees using their own devices. Which deployment should Anola choose A Virtual desktop infrastructure (VDI) B Choose your own device (CYOD) C

What is the worst case time complexity for distribution sort, where nmax n n is the number of elements in the array, nmax is the range of the unique values, i.e, the largest unique value the smallest unique value. O( nmax log (nmax)) O O(n) O(n log (n)) O O(log n) O O(nmax)

A packet between two hosts passes through 5 switches and 3 routers until it reaches its destination. Between the sending application and the receiving application, how often is it handled by the data link layer Answer

Describe the simple threedimensional objects that make up this object.

The register eax contains OxFC, ecx contains 0x4 and memory locations Ox100, 0x104, 0x108, 0x10C and Ox110 hold OxAB, 0xFF, 0x13, 0x11 and Ox22 respectively. What value does the instruction subl ecx, 4(eax) put into memory O a) 0xA7 Ob) OxA8 O c) OxAB O d) 0x100

Six stations (S156) are connected to an extended LAN through transparent bridges (B1, B2 and B3), as shown below. Initially, the forwarding tables are empty. Suppose the following stations transmit frames S1 transmits to S5, S3 transmits to S1, S4 transmits to S3, S5 transmits to S2, S2 transmits to S5 and S3 transmits to S2. Explain the steps

Vortex shedding from wind velocity in slender lightweight structures, such as flagpoles, can cause oscillations (bending vibrations) to occur mimicking loading cycles and accelerating failure due to fatigue. From a wind loading perspective, increasing the structures natural frequency can delay the onset of vortex shedding by increasing the wind

Checking if a number X is a multiple of another number Y is easy when it is small enough to be stored in a variable of integer type (e.g., int, long int). We just have to check if the remainder of the division of X by Y is zero (i.e., XY0). However, when the number is too large, this can be a tricky task. Luckily, when dealing with multiples of 11

DO q0 Let M be the Turing Machine displayed below YY, R 00,R YY,L 00, L 0X, R q1 1Y,L q3 XX.F q2 YY,R YY,R S q4 00,R acc (With the usual conventions of missing transitions go to the reject state.),This machine decides the language 0k1kk 1. (The number of steps in a computation is the number of transitions that the Turing Machine passes before

The following table shows sampled analog signal amplitude values for digital signal representation. By applying the concept of Pulse Code Modulation, find the 4bit code words. You have to solve the problem by using step by step formulation of normalized PAM values, normalized quantized value, normalized error and quantization code. Finally draw

Write an algorithm to find all prime numbers up to some limit N. For this algorithm, consider every number from 2 up to N. If it is a prime, you include it in the list. To test whether a number m is a prime number you simply divide it by each of the numbers 2, 3...m1 if any of these divisions is without remainder, then m is not prime, otherwise it

A warehouse is controlled by an electronic lock having an n-digit combination. The electronic lock has ten buttons labeled 0 to 9 on its face. To open the lock, a user presses a sequence of n buttons. The corresponding ASCII characters get loaded into sequential locations of memory, starting at location x3150. After n buttons have been pressed,

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For EACH EXPLAIN in Technical Terms what you learned (or already know) 14.1: Optimization- 14.2: General Network Issues- 14.3: Troubleshooting Utilities- EXPLAIN Why this is IMPORTANT for Network Troubleshooting 14.1: Optimization- 14.2: General Network Issues- 14.3: Troubleshooting Utilities-

you will complete Hands-On Project 11-1 Configure ACLs in Packet Tracer Follow the instructions for Steps 1-8 Take a screenshot at the end of Step 4 and paste into a word processing document Answer the questions in Steps 6 and 8 in the word processing document *Skip Step 9. We will not use the Wiki in this course. Make sure you save your packet

Change management programs help organizations carefully consider and plan for changes in their environment. While change management can be effective, it brings with it some challenges that IT and security teams must overcome. Provide an example of a specific challenge that a change management program may introduce, and then share your thoughts on

In Java, what will print to the screen? String s = "Hi"; if(s == "Hi") { System.out.println("OK"); } else { System.out.println("Not OK"); }

Answer in detail and organize it in the same order. 1. Arrange the following in order from highest to lowest regarding bandwidth: UTP, fiber, and coaxial cable. 2. Arrange the following in order from highest to lowest regarding cost: UTP, fiber, and coaxial cable. 3. What is power over Ethernet (PoE)? 4. Why is Poe increasingly popular in business

What can the below script do? Function Get-WmiProvider { Param( [string]$nameSpace, [string]$computer) Get-CimInstance -ClassName __Provider -Namespace $namespace | Sort-Object -property Name | Select-Object name } #end function Get-WmiProvider Get-WmiProvider -namespace root\cimv2 -computer $env:COMPUTERNAME

Use the graphic below for this question. R1 has received the frame from PC1 and now needs to send it towards PC2. All devices are ARP complete. In this frame, build the frame to transfer the data from R1 to R2. Determine, for both MAC and IP, the source and destination addresses that would correctly build the frame as specified above. Select the

Describe a real-world example of a buffer overflow that was exploited as part of a successful attack. Describe functionality and propagation method of any virus. Describe functionality and propagation method of any worm. Describe any real-world botnet, its functionality, size, and purpose. Find a description and explain the risks of an unpatched

1. Research three recent security events in the news. It could be anything from ransomware to social engineering to a DDoS attack. Provide a brief description of each event. (5 pts). 2. Scenario You work at an IT consulting company. You investigate a clients network and figure out that the client is using Telnet instead of SSH to manage their

QUESTION 1 In the following cipher a sender of a message has set randomly the cipher alphabet in order to replace the plain text alpahbet 1ABCDEFGHI KLMNOPQRSTUVWXYZ 2TGXAF MP BVRSNDUYZKWLCHJIEQO 1. Give the secret key that the sender should share with the receiver 2. Give the number of the secret keys that an attacker should try to decrypt an

An Ethernet switch, which is already named Ontario, connects a computer named Toronto that holds the last available address in the 177.77.30.0 /24 range of the Ontario switch. The computer is connected to the FastEthernet0/18 interface and belongs to the VLAN 53. If the VLAN 53 is already configured in the switch but the FastEthernet interface has

Question 4 Nonadjacent groups of nodes Consider a setup where we want to separate the nodes into groups such that no two nodes that are adjacent are in the same group. For example, see Figure 3, where both graphs on the left and right can be separated into three groups each (let them be the red, blue, green groups). Answer the following questions.

Enumerate four java crypto primitives that you could use to implement security features, such as secure communication between two points

For the file inventory , a pipeline command that finds all the lines containing the word CHEESE or cheese , sort it numerically based on the third column and then convert all lowercase letters to uppercase. However, save a copy of those lines by writing them to a file temp before converting the case . The columns are separated using commas.

An Ethernet switch, which is already named Ontario, connects a computer named Toronto that holds the last available address in the 177.77.30.0 /24 range of the Ontario switch. The computer is connected to the FastEthernet0/18 interface and belongs to the VLAN 53. If the VLAN 53 is already configured in the switch but the Fast Ethernet interface

Consider a setup where we want to separate the nodes into groups such that no two nodes that are adjacent are in the same group. For example, see Figure 3, where both graphs on the left and right can be separated into three groups each (let them be the red, blue, green groups). Answer the following questions. Figure 3 Two examples of graphs where

A user issues the command " ping 8.8.8.8 & " , which keeps sending its output to the terminal and does not allow the user to work with the command line easily. How can the user deal with this situation and effectively stop this command? How should he/she issue this command next time so that the command line is not interrupted but the output of the

Consider the following output: $ jobs [1] Running sleep 500 & [2] Running sleep 600 & [3]- Running sleep 700 & [4]+ Running sleep 800 & a command to bring the second most recently executed process from background to the foreground?

How SDN technology improves MPLS overlay?

Regarding an Ethernet Software Defined LAN with only one switch and 10 hosts, what is the issue with the switch MAC address tables when this network increases the number of hosts by a factor of 1000?

Assignment 6 Use a python script on ubuntu1 to configure single area OSPF on the routers in the topology given in Fig1. Also include statements to show ip route, ospf neighbors, and ping from R1 to PC2 and R2 to PC1. You can add a NAT cloud to this topology if needed for internet access. R1 and R2 1. ubuntu1 M 3. 192.168.144.1024 Ubuntu 1

What devices make up an overlay network? What advantages do they provide to the end user?

Question 1 . Briefly explain the principal differences between a Basic Service Set (BSS), Extended Service Set (ESS), Independent Basic Service Set (IBSS), Personal Basic Service Set (PBSS), and Mesh Basic Service Set (MBSS) wireless WAN topologies. Question 2. What are the four major types of Wireless LAN topologies? Explain each one briefly.

Introduction to Internetworking Project 1 CtrlAltDel Inc. INTRODUCTION You have accepted a contract to participate in the design of the network infrastructure of a company called CtrlAltDel Inc. whose operations are located in two offices at the extreme ends of Canada. The North Office is in Iqaliut, Nunavut, while the South Office is found in