Computer Network Questions and Answers July 16, 2018

Summarise three (3) software applications and their application to manage the virtual desktop environment.

List the five (5) tools along with their applications for the management of the virtual desktop environment.

List any five (5) current processes designed to produce an efficient and reliable ICT environment current process designed to produce an efficient and reliable ICT environment.

1. Explain what Cloud storage is, how it works, and what challenges and remedies are presented when attempting to acquire data from the Cloud. 2. If you had to explain to someone how and why they should protect their data on their computer, what would you present (remember to think about some key steps from intrusion, issues such as ransomware,

What are some items you will be looking for in your company environment when deploying the wireless solution that may cause service issues and/or trouble tickets? Explain.

What is the UTC time? How each country calculated its local time? What is the Logical time? What is the difference between UTC time and Logical Time? Give example of the Logical time algorithm?

Now that you're at the end of the course, think back on your experience overall. Describe your experience building a website week-by-week using a virtual machine. What were some of the challenges? Were there any parts you liked more than others? Do you feel this process helped you become more proficient at web design and/or web development? Why or

What is a content delivery system in IPTV? Identify and write down seven (7) most common VoD models? What are the three (3) most common codecs used for video on demand (VoD) delivery? How can we avoid content privacy over video on demand (VoD) delivery?

Identify major video models and the challenges in designing an IPTV network? Write 30-60 words for each. What are three (3) competing TV broadcast technologies to IPTV? What are five (5) basic requirements to design a topology of an IPTV network? Differentiate between multicast and unicast video delivery over broadband?

What are two (2) basic types of network operating systems? Identify and list thirteen (13) industry accepted network operating systems? identify and list ten (10) types of internet protocols?

Determine if the company is a candidate to move to the cloud and provide a rationale Explain the infrastructure benefits and cost savings (if any) for moving your infrastructure to the cloud. Explain what AWS or Azure services you would utilize for the infrastructure you will migrate to the cloud.

Identify and write down ten (10) major IPTV service providers in Australia? Identify and write down four (4) types of industry accepted hardware for IPTV? What are the main elements to set up an Internet Protocol television (IPTV)?

Identify and write down four (4) basic types of video traffic over broadband networks. What does over the top mean in the media? Explain

(Keep in mind that the SDLC can be applied to almost any activity you encounter, either at work or outside of work.) One of the biggest problem areas in the SDLC appears during the requirements analysis stage and relates to communication problems between the software developer and the end-user. If misalignment of the end vision is not dealt with

Select a social media platform and analyze the ethical impacts. What are the strengths of the technology and how does it benefit the population? What are the weaknesses of the technology and its potential limitations?

A brief explanation of Topology for switches and routers and explain their effects on switching and routing tables.

Compare between the switches and routers Topology for each one of the switches and routers and explaining their effect on switching and routing tables

Which of the information system implementation strategies (parallel, direct, pilot, phased) is better and why?

1)what expected process a technician should take when adding a new device to a network. 2) Another increasingly common backup solution has come in the form of syncing to the cloud, such as through the use of popular programs like Google Drive and Dropbox. This will be amended for the client's organization documents at a later date, after a

What wireless technology would you use for device-to-device communication? Why? What wireless technology would you use for connecting a device to a larger wired network? Why? What wireless technology would you use for connecting a device to a larger cellular network? Why?

Research for an Internet device or protocol such as cable modem or DNS and explain why it is a necessary component of the Internet

Are virtual servers always better than physical servers?What advantages would you have in setting up one or more virtual machines for your home use?

Use the internet. Find and describe at least one company for which security audits would be required to be compliant with a standardization organization. (List this company and organization it is compliant with)

If you were to choose the scientific method for diagnosing network problems, what trade-offs (i.e. compromises) would you consider? ( HINT : Think of evaluating theoretical models, simulations and experimentation in terms of cost, complexity and accuracy).

Remote Network Monitoring monitors the state of a network and its nodes through a remote probe. Discuss the advantages of network configuration with remote monitoring.How many groups does RMON1 MIB have? Give a brief description of each one. Which MIB groups did RMON2 add? Give a brief description of each

The new CTO of M3 Credit Union (M3 or Credit Union) is going to present the President and Board of Directors (BOD) an analysis and illustration of gaps in the current architectures. To clarify the analysis, the CTO will feature diagrams in the presentation. Diagrams of current infrastructure are important because the illustration provides a lens

Read the article "Diverse and inclusive representation in online advertising: An exploration of the current landscape and people's expectations" posted under this week's content and then answer the following questions. Representation Themes: How do you think other cultures feel? Do you think the survey results could be flawed or culturally

We learned about the three-tiered architecture, we learned about Software-Defined Networking, spine and leaf, branch office vs on-prem datacenter vs colocation, and storage area networks. How does the three-tier-tiered architecture help the enterprise? can it be collapsed?

How did DNS become extremely important to how we use the internet, and what happens when DNS goes down?

Briefly explain the techniques we can use for congestion avoidance in a network and their advantages/disadvantage.

From a HR leadership perspective, create an argument of at least three sentences as to why talent management is the most important HRM role for a global organization.

Configure hosts with IP addresses, subnet masks, and default gateways from their assigned subnets.Use the smallest host address in the subnet for the gateway address and the largest host address in the subnet for the PC addres Configure router interfaces with the IP addresses and subnet masks that they will need to perform the gateway function for

Make a function to generate an output voltage of 0.5V on the CCP2 pin. Consider a resolution of 12 bits, a fosc of 16MHz, Vcc of 3.3V and a Vss of 0V. It is necessary to include the proper pin configuration.

Describe device-specific features used by the application, wireless transmission protocols, data transmission media, interaction with hardware components, and other applications.

1. State and justify four conditions under which you will recommend the use of server based network to an organization. Provide a diagrammatic illustration of the network. 2. An organization wants to use infrared wireless techniques for its network within the organization. Using five properties, explain how you support the organization. 3. Analyze

Reflect upon the module's task, discussion topics & the effectiveness of your activity in your professional blog/website. What worked? What would you do differently next time? What, if anything, do you want to learn more about? In what other ways could this tool be used? How might you "go deeper in the SAMR swimming pool" - or higher on Bloom's?

Come up with 3 examples of possible multiple regression equations with real life examples as variables. For example, how does education and experience affect wages

(1) Give examples, no definitions, of two SCOR (2) Internal (inward facing) performance level 1.0 metrics that you would find disturbing as VP of SCM Why

A Geffe generator has produced the output 0101 1110 0111 0100. Suppose that we know that the sequence b0, b1, b2, ... (using the notation in the lecture notes) begins with either 1111 0111 0010 1010 or 1110 1110 0101 0101. Which one of these is more likely to be the correct one

Choose the proper IP address class or class-full subnet mask (1st octet = 255) for the following: 255.0.0.0 Answer 1Choose...Not Class A, B or CClass-CClass-BClass-A 140.18.34.77 Answer 2Choose...Not Class A, B or CClass-CClass-BClass-A 233.156.79.10 Answer 3Choose...Not Class A, B or CClass-CClass-BClass-A 255.255.192.0 Answer 4Choose...Not Class

A formal dinner has the following schedule a) An appetizer (shrimp, clams, chicken wings, calamari, cheese plate). b) Soup or Salad (french onion, wedge, clam chowder, Caesar) c) Entre (prime rib, lobster, tri tip, chicken, salmon, vegetarian dish). d) Dessert (crme broulet, cheese cake, baklava, German chocolate cake). How many different meals

what are the 208.130.28.0/30 subnet addresses? Explain it in details.

In the IP address: 40.25.1.16 /16 What are the network and host portions?

What issues might there be in the CISCO method compared to the OSI or CompTIA in trouble shooting methodology brief answer

How can we establish a comparison between the different network topologies and their importance in communication using TCP/IP technology?

USQBook is a bookstore with 3 administrative sections. It has acquired the use of IPv4 address 200.200.200.230. The managers of each section have been assigned IPv4 addresses as shown Administration Section Finance Marketing Sales Managers IP 192.168.0.240 192.168.0.207 192.168.0.64 Number of staff in the section (including the manager) 8 20 32 a)

Direction In at least five (5) sentences, assess the statistics by answering the guide questions. (3 items x 10 points) According to Ponemon Institute and IBM studies on cybersecurity, it costs about 7,900 per minute on average when an unplanned data center outage occurs in the United States, which is almost half a million when converted to

Diagrammatically, what would a working model of an application for cloud video streaming application based on the the following services: - 1- S3 Bucket to store media files 2- AWS Lambda function for serverless deployment 3- AWS Watch to keep file log

When working with a version control system there are two core activities, namely 'merging' and 'branching'. Explain why 'merging' is harder to manage then 'branching

Question 2 What are two reasons that topology matters in Ethereum For each one, give a onesentence summary of the problem and how topology plays a role.

What does Target MAC address 00:00:00:00:00:00:00 mean in Wireshark?

1469 100.605651309 VMwaree51e04 1470 100 Type ARP (0x0806) Broadcast VM Padding 000000000000000000000000000000000000 Address Resolution Protocol (request) Hardware type Ethernet (1) Protocol type IPv4 (0x0800) Hardware size 6 Protocol size 4 Opcode request (1) ARP 11001. ADD Sender MAC address VMwaree51e04 (005056e51e04) Sender IP address

The H yper t ext T ransfer P rotocol (HTTP) is the foundation protocol of the World Wide Web and can be used in any client/server application involving hypertext. HTTP is a protocol for transferring plaintext, hypertext, audio, images, or any Internet-accessible information1. HTTP is an application layer protocol and is typically used between a

A small company needs to set up their network. It has main office in Baha (30 employees) and branches in Mikwah and Mandaq with 20 and 25 employees, respectively. The company consists of 4 divisions Production, Finance, Marketing, and Personnel. Three (3) servers are located in main office in Baha. The computer system provides some database

Write a Scheme program that takes a list of numbers as input. The function should produce as output the number of items in the list that are unique. So, the list (red blue red blue yellow) should produce 3 as output. This program must be submitted in a text file.

Discuss the processes and procedures related to planning, designing and securing virtual environments through VMware ESXi.

Ben Jerrys has created a microservicebased accounting application that includes several utilities and database connections. Sometimes one of their microservices receives a huge number of requests from other actors (i.e. other microservices or subsystems in the domain). This issue negatively impacts the efficiency of the whole application. Explain

1. In the diagram below the networks connect to R1, R2 and R3 share their information via RIP on the serial links shown in the diagram below. Your organisation would like to provide a backup path between R1 and R3 in the event that R2 fails.

172.16.10.024 .2 Switch0 INTERNET .2 .1 209.165.200.024 .1 R2 .1 192.168.1.030 192.168.2.030 .2 .1 192.168.3.024 .2 172.16.20.024 Switch1 PCO .10 PC1 .10

1) In an incident response investigation of a running computer, what is the first process that needs to be identified and remediated? 2) What does the process of hashing a file or combination of files do for a forensic investigator? 3) What is a Forensic Image or Copy of a hard drive? 4) What is the best way to process a web page from a computer

Read and respond to peer post Pick out some points you agree in their post and briefly share your knowledge. Answer separately Peer Post 1 In further developed countries, technology has enabled women an increase in available roles and opportunities. The same way that technology reduced the need for manual labor to produce resources, technology has

1. Enter the last valid host on the network 10.11.0.0 255.255.0.0: ? 2. What is the Network ID of the following IP address: 10.11.12.13/25

This type of IT organitisation can be typified by internally focused IT goals, measures and metrics ,with little link with business goals and needs.is this type of organization that the ITIL v3 service strategy book is aiming at.it may be that the IT organization is internally focused because the business doesnot trust IT or actively engage with

Consider a cellular wireless system in which the frequency band of 900 to 950 MHz is used for mobile unit transmission and 970 to 1020 MHz is used for base station transmission. A duplex channel circuit consists of one 25 KHz channel in each direction. Also, consider a hexagonal cell structure with cell radius of 2 km, and a frequency reuse factor

1. Consider the CDMA cellular technique with 3 stations assigned the following Walsh codes A1111111111 11 1 1 1 1 1 1 1 1 1 B 1 1 1 1 1 1 1 1 1 1 1 1 1 1 C 1 1 1 1 1 1 1 1 1 1 1 1 1 Answer the following questions 02 a. (2 points) Prove that code for A and code for C are valid Walsh codes. b. (9 points) Consider the above mentioned codes represent

b) The following memory field were obtained, where each 4 HEX bits represents the TAB, SET and WORD fields respectively (assume noisy data bits are padded to fill in the excess memory). Ox 23F5 B234 A4EF TAG SET WORD Extract the correct main memory address in HEX from this memory fields (15 Marks)

Given this topology how can I add a default route to ISP matching all IPs with next hop being ISP's s2/0 IP. And what command would add this route into ospf 1 which already exists as seen on topology. area 0 is connected to SW1 and contains the 3 routers Edge which is boarder router and Branch and HQ which are internal back bone routers.

ISP Physical Config CLI GLOBAL Settings WebServer Fa0 Fa00 Se20 ISP Attributes Serial20 Fa00 Fa01 Se20 Fa020 Fa03 Edge HQ Fa00 On Full Duplex Algorithm Settings ROUTING Static RIP INTERFACE FastEthernet00 FastEthernet10 Port Status Duplex Clock Rate IP Configuration IPv4 Address Subnet Mask 2000000 192.168.100.253 255.255.255.252 Serial20 Serial30

The memory is byte addressable. Memory accesses are to 4byte words. Virtual addresses are 20 bits wide. Physical addresses are 16 bits wide. The page size is 4096 bytes. The TLB is 4way set associative with 16 total entries. In the following tables, all numbers are given in hexadecimal. The contents of the TLB and the page table for the first 32

The head office of Netcom was using static routing in the past but now has to run two routing protocols for its two new branch offices. The head office is connected to the branch offices through leased lines on the same router, and its VLANs are subnetted from 172.22.0.0/20. Imagine yourself as the network administrator at the head office. Which

Suppose we have a dataset called "house_prices" which lists the selling prices in various suburbs (given in 1000's of dollars), in a column called PRICE. The following is a command which adds a new column called CAPPED_PRICE to the dataset: house_prices$CAPPED_PRICE 600, 600, PRICE)) Describe what what you think this command does.

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To setup the external interrupt INT1 for falling edge mode we need to set the register bit SC10 bit to and set SC11 bit to

2. Configure R2 for RADIUS server access according to the technical specifications provided. Ensure your configuration performs the following a. Specify the RADIUS Server Name b. Specify the RADIUS server IP address c. Specify a secret password between the RADIUS server and Router R1.

Review the MITRE ATT&CK Network MatrixLinks to an external site. https://attack.mitre.org/matrices/enterprise/network/ Choose two types of attacks categorized by MITRE in this matrix and describe in your own words those attacks. Describe potential mitigations or controls to defend against the kind of attacks you selected.

As head of network security for a company you receive reports from the network administrator of excessive traffic on the network which is starting to impact the users ability to access key applications both on network and in the cloud. The network administrator is unable to determine the source of the issue but suspects a cyber attack. As head of

Does size or usage have a factor in determining the best data storage? Would your choice of storage change if the business was large its size?

Virtual Private Networks (VPN) are ubiquitous in our modern computing environment. Answer the following questions about VPN. Optionally you may attach a diagram to support your answer. (1) What are the most important benefits of implementing a VPN? Explain your answer. (2) What are some potential drawback of VPNs? Explain your answer.

4. (15 marks) This is a typical setup of datadriven web service. What are the advantages (minimum 3) to segregate the services vs build all services into one server Internet Webserver Middleware server

At any given instant of time, a peer will have a subset of chunks of a file abc.mpeg and will know which chunks her neighbors have for the file xyz.mpeg. With this information, briefly explain how the peer will take following the important decisions as per the BitTorrent protocol. a. For which chunks the peer send requests assuming that the peer

Create WAN specification. You are to create a WAN specification. This is to include: Details of the LAN, WLAN and VPN segments and associated resources requirements. An explanation of how the physical environment has impacted on WAN design. An outline of the WAN design that will cater for the amount and type of network traffic. A design for

Start For the diagram below 7 3 B 4 A 1 G 5 in O st 4 1 D E 2 9 3 F H 60 5 8 3 6 N J K L M 1 Find the critical path 2 Find the float for all the nodes 3 Find the ES, EF, LS and LF Legend ES Weight EF Name LS Float LF

Describe two commonly used native Linux troubleshooting commands. For example, the "ls" command can be used by itself or with additional options such as "ls -I" that will list directories or file types, size, and other pertinent information. Identify a troubleshooting issue for which each command might be appropriately applied and why?

A Q-digest data structure is used to aggregate pressure measurements obtained from three IoT devices in a wireless IoT network. The measurements of the three devices are given below: D1={10,10,10,10,20,20,30,50,50,50,50,70,80,80,90,90,90,100,110,110,120,130,150,160}

Need Help completing this project. Can you help. I have a packet tracer file that goes with the project but I am unable to unload it,

Printer ISP connected device 209.165.200.230 Server Google DNS 8.8.8.8 ISP Router 209.165.200.130 13.13.13.030 COMPANY LAN ROUTER GOUXUD Wireless LAN Controller Switch Light Weight Access Point Wireless Laptop PCA Tablet PC PCB PCC Smartphone

Your goal is to steal a message that is being enter into the computer and sent to another computer and your task is to identify the following: Identify goals build attack tree for each of the goals Think of attacks against each goal and add them to the tree Use attack trees to make security decisions

You are shown a network with a starting EstRTT of 300, DevRTT of 33, Timeout Interval of 432. Your next sample packet has an observed RTT of 200ms. What would the resulting new Timeout Interval be Give your answer with one digit past the decimal point. (10 Points) Enter your answer

Two Virtual Machines one server and one client both Cent OS 6 For the Server Instance Server IP Address: 192.168.2.50 Netmask 255.255.255.0 Hostname: server (all in lower case) Domain name it340.private (all in lower case) FQDN: server.it340.private (all in lower case) Address pool range: 192.168.2.100 to 192.168.2.200 For the Client Instance

The client mentions that they intend to add two extra 1080p monitors to this PC. Since the motherboard only has two display connectors, you will need an additional graphics card (GPU). You recommend to the client to purchase a MSI GeForce GTX 1050 2GT OCV1. Lookup the manufacturers specifications for this GPU and answer the questions below. A)

Imagine that you are tasked with storing digitalfiles for a feature lengthmovie that is in production. Suggest and defend a solution that meets the needs of large data files (500 T) that can be easily accessed for editing andstored safely. Compare the architectures ofvirtual machine-based and container-based virtualization.Be sure to provide

What is the alert message displayed when you perform a reflected XSS attack? What is the code that is inserted? What is the code that displays the contents of a cookie in JavaScript? What is the code that restarts or resumes a session in PHP? What is the IP address that you are remotely reflecting XSS? What is the variable name in PHP for the

Which commands would be used to gather the following information in the cisco router and switch configurations: 1. Ping in IPv6 from TTC-Main to PC-A and PC-B 2. Show IPv4 addresses issued by DHCP from the TTC-Main router (I'm not looking for the ipconfig output) 3. Show interface briefs for both IPv4 and IPv6 from TTC-Main 4. Show abbreviated

What is Switch Port Security? How does it enhance the security of a network? What are the steps involved in configuring Switch Port Security? What are the different violation modes? What are the different types of passwords used in securing a Cisco switch and router? Provide an example of setting a password for each.How can we protect a network

C. Twitter and Facebook are one of the wellknown stayuptodate media. Whether you use it to keep up with news or just to share your thoughts, its one of the commonly used services on the Internet. Therefore, use Wireshark to 1. Capture and analyse Twitter traffic and answer the below points Capture the traffic from the login process Capture the 3

Briefly describe why encryption is making it harder to detect security attacks over the network, and what new techniques become necessary to overcome this problem

Find the solution to the following goal programming problem goal (f(x) 2x1 3x 12), goal (f(x) x X 0), X1 goal (f3(x) x1 x2 6), goal (f4(x) x1 2x2 8). Subject to X 4, X 3, X1, X2 0 in terms of the weight factors (0, 0.3, 0.1, 0.1), B (0.5, 0.3, 0.1, 0). a

- Given an 11-bit netmask, are the IP addresses 80.32.3.16 and 80.63.5.48 on the same network? - Given the subnet mask 255.255.192.0, are the IP addresses 167.184.0.1 and 167.182.1.1 on the same network? - If a host is configured with the IP address 142.15.146.22 and mask 255.255.224.0, what is the broadcast address of the subnet? What is the

Assess the following resources and be prepared to discuss: When Stuxnet Hit the Homeland: Government Response to the Rescue. Cybersecurity Experts Say U.S. Needs to Strike Back After Solarwinds Hack. Stuxnet and the Scary Similarity of Sunburst. Describe the following: Debate the differences between the Stuxnet exploit of 2010 and the Solarwinds

Make a 500 words essay in order to reflect and answer about innovation and research, addressed to answer this question. Justify your answer with real examples. Do you think that promoting innovation in any country would help to improve investment in research Or on the contrary, research promotes innovation Use real examples to justify your answer

4. Please calculate individual flows rate for Fair queueing and Weighted for Fair queueing for following flows when capacity is 12 Flow id 1 2 3 4 Demand 2 3 4 6 Weight for WFQ 1 2 1 2

3. Consider the periodic function St

Identify three (3) common issues that may prevent a PPP link to connect. Show sample commands to resolve the conductivity issue.

Read the article https://ask.sagemath.org/question/29639/easiest-way-to-work-in-the-multiplicative-group-of-zmodn/and https://doc.sagemath.org/html/en/reference/finite_rings/sage/rings/finite_rings/integer_mod_ring.htmland then answer the following questions using sagemath library 1- generate a group Zn of n = your birthday date in the form DDMM

A packet with destination IP address 99.111.30.70 arrives to this router.Out what interface will this packet be sent?