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Computer Network Questions and Answers July 31, 2018

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Metasploit Subtask 1 Use msfvenom to create a meterpreter exploit targeting Android. Create a listening post on Kali and then run the exploit on Android. You will need to enable the ability to run unsigned. code on the Android VM, as well as enable the super user account. 1. A screenshot showing your victim receiving commands from the attacker via
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Consider the language PALIN U ODD. We will use the pumping lemma to prove it is not regular and pump on w abba. What values of i will work to pump out of the language Reminder since the first n symbols are all as we must have y al for some j and i is the number of times we loop or pump on y. (i) i0 (ii) i 1 (iii) i 2 (iv) i3 Exactly 3 of them
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1. Identify the Sample Design Error with the following Sample design errors Sampling Frame Error, Selection Error, Population Specification Error. Please also provide some explanation a) Kelloggs conducted a survey using a nationally representative sample of parents in order to get feedback about the packaging of a new childrens cereal theyre
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Question 1 Consider the following transactional database for ABC Supermarket. TID Items bought 10 Dates, Qahwa, Chocolate 20 Dates, Milk, Chocolate 30 Dates, Chocolate, Tea 40 Qahwa, Tea, Cardamom 50 Qahwa, Milk, Chocolate, Tea, Cardamom Assume that the minsup40, and mincon 50. (a) State whether the following rules are frequent pattern or not. i.
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Problem 4 Horizontal Angles (4 points) a. Between lines MN and NO, internal angle N is measured to be 742256. Determine the deflection angle for line NO. b. The deflection angle between lines OP and PQ is measured to be 874612 (measured from OP to PQ). Determine the internal angle at point P.
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Question 2 (1 point) Find the size and last address of the address block 199.201.144.022 1) Block size 2) Last address (use dot notation) Blank 1 Blank 2
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Consider a (small) data center with 2 servers. The server center also has 3 users, of which one user can only use one server at a time. A single user is modeled as an onoff process, where the idle period is exponentially distributed with the parameter v 1 (1hour) and the service time (activity period) is exponentially distributed with the
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Problem 3 Network Design for School You need to design network for a hospital with the specification as follow There are 300 Desktop computers in the hospital. And there are 5 Department each of them consisted of 30 computers, The users in the departments should belong to a single domain and receive IP address dynamically from a central server
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Device Interface IP Address Subnet Mask Default Gateway R1 GO0 GOO R1 S010 S010 194 5011 R3 296024TT R1 S011 SW3 PCPT PC3 R2 GO0 R2 S010 R2 S011 5010 5010 R3 GO0 1941 R1 GOO S011 5011 1941 R2 GO0 R3 S010 R3 S011 PC1 Fa0 PC2 Fa0 PC3 Fa0 2960 24TT SW1 SW1 vlan 1 2960 24TT SW2 SW2 vlan 1 SW3 vlan 1 PCPT PC1 PCPT PC2 Objectives 1. Create an IP address
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QUESTION 7 What is the definition of the vertical beamwidth of an antenna O A. The distance between the two points on the horizontal axis where the signal decreases by a third, measured in degrees. OB. The distance between the peak power and the point where the signal decreases by a quarter, measured in degrees. O C. None of the given options. D.
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Building 100 Building 101 A A Building 300 Main Hospital Building Building 200 200 Meters Building 301 Park Building 201 Figure 2. Hospital Buildings
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The monthly salaries of employees of a construction. company is normally distributed and averaged at AED 16,000 with a standard deviation of AED 2500. Find the minimum and the maximum salaries symmetrically distributed around the population mean, that will include 95 of the sample means , based on samples of 25 employees. Round your answer to the
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Web Application Vulnerabilities Participants in the case study CTO Executive of the company CISO Security Specialist Case Study The CTO was an executive at the company responsible for overseeing web site development of several distinct business units. The CISO was responsible for security of each of these business units. The CTO and the CISO
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AutoSave Off ICTNWK604A2 of 3 Case StudyV1.1 Saved to this PC Picture Tools Mailings Review View Help PDF Pro 10 Format Search E E E E File Home Insert Design Layout References X Cut Calibri (Body) 11 A A Aa Copy Paste BI U ab x x A A v x Format Painter Clipboard Font SECURITY WARNING Macros have been disabled. Enable Content Page 5 of 7 1295
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3. Figure 1 below illustrates the water network of Newvillage. The lines are water piplelines numbered from 1 through 13. The arrows on the lines are possible direction(s) of flow of water in these pipelines. The circles are water sources numbered A, B, C. The rectangles are houses D, E, F, G, H. The maximum possible capacity of the water sources
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include include include void main(int argc, char argv) char buffer 517 FILE badfile Initialize buffer with Ox90 (NOP instruction) memset(buffer, 0x90, 517) Fill the buffer here badfile fopen(.badfile, w) fwrite(buffer, 517, 1, badfile)B fclose (badfile)B Note If you need to store a long integer in a buffer. char buffer 20 long addr long ptr
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Explain how Traceroute uses an ICMP packet and the TTL value to map the path to an IP address.

include include include const char code () x31xc0 Line 1 xorl eax, eax x50 Line 2 pushl eax x68 sh Line 3 pushl 0x68732f2f x68bin Line 4 pushl 0x6e69622f x89xe3 Line 5 movl esp, ebx x50 Line 6 pushl eax x53 Line 7 pushl ebx x89xe1 x99 Line 8 Line 9 movl esp, ecx cdq xb0x0b xcdx80 Line 10 movb Line 11 int 0x0b, al 0x80 int main(int
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Problem 3 8 points (a) What is the data stream for the figure below if (1) The data was encoding using Manchester encoding. (2) The data was encoding using differential Manchester encoding. 4 points (b) What is the data stream for the figure below if the data was encoding using B8ZS encoding 1,4 points (c) What is the data stream for the figure
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Listen If your customer is Expressive, provide an explanation for their social style behaviour and explain how a salesperson needs to adapt their selling style to effectively communicate with them
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4 people have won a competition. The prizes contain 16 unique food vouchers to 16 different food shops. 6 food vouchers are unuseable. How many ways to split the remaining food vouchers with the 4 people when one person gets 4 vouchers and the three people gets 2 vouchers each
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What is NOT a good use case of relational database systems storing customer datasets processing of accounting data storing content from web forms storing large video files
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For this discussion, use your preferred browser to view a favorite website. Think about the features and specifications you enjoy the most about the website, and lastly, view the code behind a page on the website. Note that some websites are private and block or encrypt their HTML code. Locate a website that is not private for this discussion.
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functions and to do tasks you cant do from a GUI. Think about your experiences during this module and in the past u CLI, and do a little reading online to learn about other peoples perspectives on this issue. Then respond to the followi . What are some advantages of working with a GUI Give an example of when a GUI is a better fit for the task.
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Give an example of where you are likely to find each of the number systems in use. a. DecimalClick or tap here to enter text. b. Binary Click or tap here to enter text. C. Hexadecimal Click or tap here to enter text.
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Task 6 Planning IP Addresses The Base IP address given to you for this network is 192.168.100.024. a) Fill Table 7 shown below to identify decimal subnet mask, useable IP address range and broadcast address for each subnet. Group Students Subnet address 192.168.100.025 Administration 192.168.100.12827 Decimal Subnet mask Useable IP address range
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Apply a master theorem to estimate the running time of any divide and conquer algorithm. You can choose an already known divide and conquer algorithm, or you can define a problem by yourself. First, describe the problem and provide the algorithm (divide and conquer) to solve it. After that, write the recurrence relation for that problem, and
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public class Country Override public String toString() return Country public class Brazil extends Country Override public String toString() return Brazil What is the output of the following code segment (Circle one choice) Country country1 new Country() Country country2 new Brazil System.out.print(country1 country1 country2
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A collection, as its name implies, is a group of objects. This ADT provides the ability to store information and then access the stored information. It can also achieve all the operations that you perform on data such as searching, sorting, insertion, manipulation, and deletion. For this guided assignment, we capture the formal specifications of
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2. What is your social and ethical responsibility as an loT solution provider 6 marks 3. What are the components of the loT ecosystem and how does each contribute to developing an IoT solution 12 marks
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Consider the following twolayer MLP network, 8 21 X2 W21 Wal W12 A 227 8 Xn W2M WIM 80 g Wall R 12 h a p1 122 UMI 12 p 12 11342 Mr h ZM pr The nonlinear function of the neurons in the first hidden layer is g(S) tanh(as) where S is the input of the function g and it has a parameter a. We want to estimate the parameter a using the steepest descent
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Calculate bandwidth and throughput for 7 clients and 1 server each with 1Gb link and suggest how this setup could be improved. GUIDANCE In your answer, you should consider What is the bandwidth of each client How many clients can access the server before a bottleneck occurs What is the expected throughput for concurrent access by all clients How
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1. Your boss asks you to attend a meeting to participate in a serious discussion of corporate policies that you disagree with. After the meeting, you are convinced and agree completely with the policies, showing you experienced what reaction to the meetings influence
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12.If an attacker was able to make changes to the computer's cache of IP address to MAC address mapping, which type of attack has occurred? ARP poisoning Distributed denial-of-service Wiretapping Spoofing 13.What type of exploit is occurring when an attacker attempts to hide their identity while communicating on a network? Spoofing

Q1 With IP address. 200,56.33.6624, your organization needs to have minimum 10 networks how many bits to borrow to meet the requirement Question options Q2. With IP address, 195.30.20.0 requires 50 networks 1. How many bits to borrow to meet the requirement 2. What are network addresses (answer only first 5 of them) 3. What are host IP addresses
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9.2 Document cloud audit and change management configuration AWS Stuck on this
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The following DNS zone file is designed for domain qwerty.com. Suppose all the following IP address are workablepingable. What would be the IP address allocated to mail.qwerty.com IN SOA ns root.qwerty.com. ( 1 1D 1H 1W 3H) ns IN IN WWW IN IN mail IN IN IN ns IN server1 IN server2 IN 144.12.0.98 144.12.0.99 MX Ons 144.12.0.100 MX 10
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Which policy uses the assignment of rights and permissions based on a job title or a common set of restrictions Rolebased access O Zero Trust Posture assessment O Separation of duties
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You have been hired by Ricks Software pty ltd to plan and monitor business analysis activities as per the circumstances given hereby. Ricks Software has been servicing its customers by developing and deploying webbased tools and websites since long. The web development tools and techniques they are using are getting obsolete now. The support to
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3) Spray gun distance to the panel can have effects similar to that of travel speed. A (Select from the panel can have a dry, rough, or poor coverage spray gun that is too appearance. straight even far close
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c) An engineering student has completed a fouryear university degree program. Explain in detail at least three possible career paths for such an Engineer.
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Activity 5 Task Write a reflection report and then complete the selfevaluation. (Marks 10) In this section, you are required to write a reflection report on your learning experience. Once completed, a selfevaluation must be completed to reflect on your learning experience. Ensure to include the following in your report How would you define
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Review the following output of the ping command. What does this output tell us about 192.168.100.4 CUsersuser1ping 192.168.100.4 Pinging 192.168.100.4 with 32 bytes of data Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 192.168.100.4 Packets Sent 4, Received 0, Lost 4 (100 loss) The host is not
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1. Give 2 different definitions of a theory. Compare the two different definitions.
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Action A sends a frame to F F replies with a frame to A B sends a frame to A A replies with a frame to B Switch Table State Link(s) packet is Explanation forwarded to
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Question 3. The webserver srv.Vict.im serves sensitive scripts. Due to efficiency or resiliency, this server must be hosted in a cloud service, however, we wish to minimize trust in the cloud service, and protect users against abuse by the operators of the cloud service. Realistically, the operators are able to read any data stored in the server
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Assignment Networking Protocol Objectives Identify how protocol works Interpret protocol header information Discover routing information Questions 1. Explain how TCP threeway handshake works. (3 points) 2. Explain the purpose of the field sliding window in the TCP header.(4 points) 3. What is the purpose for an ARP table How to find your local ARP
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13.A company needs to secure the network using a security system that can inspect the network traffic's payload to prevent attacks. What type of firewall would you recommend? (4 Points) Application Firewall Stateful Firewall Packet Filtering Layer 3 or 4 Firewall 14.If someone poses as the IT network admin, walks into a building and asks for the

System Information Edit View Help stem Summary Hardware Resources Components Software Environment Item PCR7 Configuration Windows Directory System Directory Boot Device Locale Hardware Abstraction Layer User Name Value Elevation Required to View CWINDOWS CWINDOWSsystem32 DeviceHarddiskVolume2 United States Version 10.0.22000.527
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usrhashes etcshadow etcpassword Question 6 (1 point) Saved You pick 8 random animals from the dictionary. How many bits of entropy is your password 20 24 16 26 E Question 7 (1 point) Saved You decide to send 20 bytes of data. What does the SEQACK number of your packet look like 12L....xml A
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SOLANA
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The ____ license is associated with software that is free to share and change. a. site b. corporate c. GPL d. server

Please help, how has Bezos's API mandate shifted business strategies as cloud has evolved? How does the API mandate affect software innovation?

When pre-processing data for further analysis, what are some of the things you might want to remove, and why?

Network 1 142.138.x.x A Network 2 147.188.x.x Network 3 149.140.x.x 3 B 2 H 2 2 1 8 1 E 6 Figure 1 Network 4 142.135.x.x
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count mean Year Birth 2237.0 1968.901654 std min 25 50 75 max 11.701917 1940.0 1959.0 1970.0 1977.0 1996.0 Income 2213.0 52236.581563 25178.603047 1730.0 35246.0 51373.0 68487.0 666666.0 Recency 2237.0 49.104604 28.956073 0.0 24.0 49.0 74.0 99.0 MntWines 2237.0 303.995530 336.574382 0.0 24.0 174.0 504.0 1493.0 MntFruits 2237.0 MntMeatProducts
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Item 4 What command did I issue to hcc.edu Standard Query Response
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E
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Question 3 You can show the first 12 lines of a dataframe df with the command_____________?

See the network shown below () with four routers A, B, C, and D connecting the networks X and Y. Apply Distance Vector routing protocol and show how these routers will find a path between the networks X and Y. For each iteration, (a) First, write the route table messages exchanged between each pair of routers Like, From A to B, From A to C, From B
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WRITE THE FOLLOWING IN CNF (Conjunctive normal form) GIVEN THE ATOMS ATOMS p Peggy is a knight q Zippy is a knight r Joe is a knight s Carl is a knight t Bozo is a knight You meet five inhabitants Peggy, Zippy, Joe, Carl and Bozo. Peggy tells you that its not the case that Joe is a knave. Zippy says that either Joe is a knight or Bozo is a
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Parallelism Recall that we say two distinct lines and m are said to be parallel iff they do not intersect. Investigate parallel lines in the Poincar Disk Model. Do parallel lines exist Why or why not If I have a given line and a point not on that line, how many parallel lines exist through that point that are parallel to the original line Explain.
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TIME ALLOWED 30 M i. State 4 disadvantages of using Fibre Optic cable as a transmission medium.. ii. State two (2) advantages and two(2) disadvantages of Star Topology. iii. State and describe the five (5) areas in to which connection devices are category IED ISAAC BANSAH Page 2
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Fourier coefficients of a pulse train A x(t) t t To Consider the periodic signal shown in the picture, defined as x(t) 0.6rect (174) 0.6rect (t2t) 0 t 3. 0.4 Find the expression for its Fourier coefficients. Tip Choose wisely the interval over which the integral is calculated. You can choose any interval as long as it has the length of 3. In
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Consider the following commands. Router(config) accesslist 20 permit 172.16.20.0 0.0.0.255 Router(config) accesslist 40 permit 172.16.40.0 0.0.0.255 Router(config) routemap SPLITTRAFFIC permit 10 Router(configroutemap) match ip address 20 Router(configroutemap) set ip default nexthop 10.1.1.1 Router(configroutemap) routemap SPLITTRAFFIC permit 20
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Virtual SOC is a kind of... (two correct answers) a. Multifunctional SOC b. Command SOC c. Dedicated SOC d. Managed SOC e. MSSPMDR f. Fusion SOC W
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1. Project Title Chatbot companion for elderly people and patients with Dementia diseases. 2. Project Aims and Objectives The aim of this project is to develop a chat bot (VOICE ENABLED), which communicates and reminds you several things such as medication timedose and exercise time automatically using any platform you are comfortable with. Your
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Part II. (10) Short Answer Questions 1. What is the definition of carriergrade voice service 2. What is the definition of toll quality 3. Who invented telephone 4. What is the US federal government agency that regulates the telecommunications industry in US 5. What is the emergency call number in Canada If the UDP port number for RTP is 10000.
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Consider the below OSPF topology diagram and answer the following questions. Assume that all directly connected routers connect using WAN technologies and not Ethernet. ISP RIP Standard Area K NSSA How many internal routers are there How many backbone routers are there How many designated routers are there How many areas contain Type 1 LSAS How
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Suppose you have a dataframe called "wages" which contains three fields: "gender" (male or female), "years_employed" (how long they've been employed) and "salary". You want to plot years of employment against salary, but with colours that distinguish the genders. Write an R command for this. I just want to get idea from your answer.

Consider the topology below. OSPF O 10.1.1.08 11040 2911 R1 RIPV2 2911 R2 2911 R3 Assume that all routers are appropriately configured with the correct routing protocol(s). We apply the following, additional configuration to R1. R1(config) router rip R1(configrouter) version 2 R1(configrouter) redistribute ospf 1 metric 2 R1(configrouter)
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Six channels having a data rate of 1 Mbps each are multiplexed into a single line. Each channel contributes a Unicode character to the frame. Two synchronization bits are used. Compute the following Output slot duration Output data rate Utilization
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1.A _______ attack send TCP/IP traffic to each and every port to learn which services are running. SQL Injection Port scanning Spoofing Ping flood 2.An administrator takes a new firewall out the box and plugs it into the network without making any changes. What type vulnerability did this create? Default password Industry threat BYOD Weak password

14. Given the following set of individual benchmark scores for each of the programs of the SPEC2000 benchmark suite, compute the arithmetic mean (AM) and geometric mean (GM) of each set. Calculate two overall speedup ratios one using the arithmetic mean and the other using the geometric mean. Then decide which speedup you would consider to be a
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Q4) a) Design and sketch a 4 bit sign magnitude binary subtractor to subtract BB3B2B1B0 from AA3A2A1A0 by using only minimum number of 4 bit binary adders and suitable gates b) Use minimum number of components and Explain evey step of the operation for your subtractor. (4 bit binary adder is shown below) A3 A2 A1 A0 B3 B2 B Bo 4 BIT BINARY ADDER
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Give examples of a sustainability policy document that covers: a. The efficient use of student and administration computers b. The secure management of student computers c. A sustainable approach to printing including a policy on student printing f. Minimising and monitoring power usage d. Energy efficient heating and cooling e. Meeting room

3. (4 points) You would like to host a web server on a home computer using port 8080. The computers (i.e., web server) public IP address is subject to change (currently, it is 2.3.4.5). You have SSH access to another server whose public IP address (10.11.12.3) is permanent. What would you do to allow a regular web user to access your home web
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A device has a MAC address 02ABCD00AFFC. What is its EUI64 based IPv6 address for the network 2001ABCD64 Write down the result in the shortest way possible including the prefix for the subnet mask with no spaces.
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Q2c Write a function that meets the following specifications. Function name question2c Parameter(s) argument(s) This function does not take in any parameters Return value A string Error handling Detailed description Function may raise an exception. The type of exception raised is described below. Get a user input with the prompt Enter weight of
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What is the shortest way to write the following IPv6 address 20010001000010B000000000089B003E
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198.150.11.15 198.150.11.16 198.150.11.17 198.150.11.18 198.150.11.19 Address 198.150.11.255 198.150.11.1 E0 Internet Address 198.150.12.255 198.150.12.1 E1 198.150.12.12 198.150.12.13 198.150.12.14 198.150.12.15 198.150.12.16
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Suppose that there is only a single successor route, via R1 with feasible distance of 40, to the destination network 192.168.1.016 and 1 feasible successor route, via R2 with feasible distance of 60. If a variance multiplier of 2 is configured, what are unequal cost load balancing ratios for this destination network Via R1 the ratio is Via R2 the
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Java Protect the following code, all exceptions must be handle. Rewrite the following code or add exceptions everywhere that applies. public class CalcNeedExceptions public static void main(String args) String firstNumber (user input for first number goes here) String secNumber (user input for second number goes here) String output
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Q8) A small robotics company is planning to expand its network infrastructure while still using their classful class C network address, 195.202.88.0. It has been decided to place each key corporate division on its own subnet. Details are as follow Department Computers Other loT Devices Printers RD 14 7 5 Management 8 0 8 Finance Sales IT 11 0 8 26
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Case Project 42 Types of Antennas Use the Internet to find Azimuth and elevation charts for an omnidirectional antenna, a semidirectional antenna, and a highly directional antenna. Print each of these charts and compare them. What can you say about their coverage patterns Write a oneparagraph explanation of the charts.
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1134 1 Done ACFrogC9eZV2u2echHOL... Question .LTE Q Security is being added to the Corp1 router. Host C should be able to browse finance web server. Other type of access from C to finance should be blocked. All access from core or LAN should be blocked to finance. All host in core and LAN should have access to public server. Write the access list
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What commands should I do to fix EXSTART/DR when doing ospf

When a router receives a packet from one interface and forwards it to another interface, It changes neither the packet's hardware addresses nor the IP addresses It changes the packet's IP addresses but not the hardware addresses It changes the packet's hardware addresses but not the IP addresses. It changes the packet's hardware address and the IP

You are using an 6bit ADC over a range of 0 to 3.2 V. If a 2.0 V analog signal is put into the converter, what is the binary representation of the output Answer
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Setup static and dynamic networking for two servers based on the following requirements. firstname.surname Linux firstname Windows 1.2.3.024 surname Set up static networking for your Linux CentOS and a dynamically assigned IP address for your Windows Server (as indicated in question 2) given the following parameters,Our network Linux server
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D Question 19 Please match the correct message type in the DHCPv4 lease origination. Step 1 Choose Choose Step 2 Step 3 Broadcast Discover Acknowledgement Offer Listen Request Step 4 Choose 1 pts
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Factors That Affect the Value of a Dollar Supply and demand Market sentiment Technical economic data and psychology
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1. From the command prompt in Windows, run the command below netstat r Include a screenshot of the output from this command Use the IPv4 Route Table in the output from this command to answer each question below. a) Which of the IPv4 addresses in the table is the actual IPv4 address assigned to this host How do you know Note that this address is
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Given the following constellation for a 9600 bps modem. (a) How many bits are encoded on every signal element (b) What is the baud rate (c) How many (1) phases are present (2) amplitudes are present Why is the maximum number of bits that can be encoded limited to the result found in part (a)
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The question is: What transport layer protocols the DHCP, DNS and FTP protocols use and why they use such transport protocols? Show your answer with clear screenshots and discussion from your packet tracer scenario Im about to close in on my work however I am not exactly too sure how to do this. How can I exactly find out what transport layer

packets, stating the IP and Ethernet addresses of the packets where possible. 10 marks (b) Consider two neighbours, Alice and Bob. Each have wireless IPv4 routers with integrated NAT. Each neighbour connects their laptop to their own wireless router, and each uses appropriate utilities to examine the IP address of each laptop. They realise the
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Consider a datagram network using 8bit host addresses. Suppose a router uses longest prefix matching and has the following forwarding table Prefix 11 Match Interface 0 011 1 8500 10 1 2 0100 3 Default 4 What is the associated range of destination addresses for the default interface (Use binary notation.) 01000000 through 01001011 01000000 through
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I am deployed overseas and am having problems installing both Oracle VirtualBox and VMware Player 17 on a windows 10 government computer. After I downloaded both operating systems I keep getting error messages so can I please get help on the following task? Configurationing Windows 10: take screenshots of each of the following activities (more

Lab 5 Full adder and Binary adder design 1. Design a full adder. Be sure to use an optimized design. 2. Use the optimized Full adder to design a threebit binary adder. 3. Use the optimized Full adder to design a threebit binary subtractor 4. What is the overflow problem In parts 2 and 3, please be sure to have an indicator of the overflow problem.
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(c) Describe what the following methods do in the Thread class. (i) start ( ) (1 mark) (ii) yield ( ) (1 mark) (iii) join ( ) (1 mark) (iv) is Interrupt ( ) (1 mark) (v) is Alive ( ) (1 mark)
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