Computer Network Questions and Answers August 13, 2018

Cloud performance laboratory: data collected in real networking environment. This is a Simulation lab - using normal distribution - inverse function (that was used to generate the trials) Review the data provided and develop a detailed statistical analysis - develop your own conclusions and recommendations. Some questions: is there anything to

1. What are the 3 strategies of CSMA/CA? describe each in detail and what they are used for? 2. Explain the relationship between cost, QoS and SLA 3. Explain how Google Maps provides the most accurate traffic data real time? 4.Briefly discuss the automated security testing tools used during the development of the mobile application. 5. Explain two

how do you do default drop on firewalld centos 7 and raspberry pi?

How are decimal numbers represented in binary format? How do convert from Binary to Decimal format?with diagram

Describe how response teams determine the severity of an incident.

What is the format of an IP Version 4 (IPv4) address, and what are the Public and Private addresses? include diagram,

Consider the below partial code of an XML document. Write the beginning of this XML document, including the XML declaration and the DTD. Your DTD will allow for more than one participant within a meeting. Mobile phone number is optional (zero or one) for participants attending a meeting. The date of a meeting is compulsory and a meeting can only

Question - For each of the following software project phases, suggest a design model or representation that would be a helpful aid in the design process. Your opponent is allowed to send you two plaintext messages M0 and M1, each n letters long. You now pick a new private key K, resulting in a new pseudo-random permutation EK : {A, . . . , Z} {A,

Task1 (10pts) . backup a file to a destination in the local machine Note, you can choose any file to copy to any destination. Task2(10pts) . backup the /etc directory to a destination in the local machine Note, you can choose the destination. Note, administrator permission is needed to copy /etc Task3(30pts) . Backup the /etc. directory to a

Project Objective : Deploy, configure, test, and document the infrastructure detailed in this assignment. This involves deploying two Windows 10 machine. The primary machine will be used for the configuration of user and groups, remote desktop, local security, EFS, and file sharing. The other machine is for testing purposes. You are to adhere to

Problem 7. (9 points) This question comes from Lecture19s reading assignment The Evolution of Distributed Dataset Synchronization Solutions in NDN (so you must read the paper). Please keep your answer short. 7.1 (3 points) Section 2 states that, as a transport protocol, TCP provides 3 basic functions. Which of these 3 functions does NDNs transport

Briefly describe "root cause analysis" of a network fault, and what makes it challenging to do?

In what situations may the bounds be particularly imprecise? What can be done to construct tighter bounds for the system throughput? (a) Windows implements static inheritance for the access-control lists of NTFS files and folders. (i) What does static inheritance mean here and how does it differ from dynamic inheritance? [4 marks] (ii) Five flag

why installation of TightVNC created more than one open port?

I have a network of 6 VMS, (2 windows, 3 Linux, and 1 raspberry pi). I also have an active directory running on the machines, DNS and etc. I am using firewalld instead of iptables on my Linux machines and id like to know the steps to set them to default drop, but accept traffic from the machines in the network I mentioned. I know how to configure

Describe the S-Boxes in DES. Is F-box in DES reversible? if yes, why Inverse F-box is not used in DES decryption.

What is the name of the interface lab network card used to connect to the computer it is installed in

2. (15 marks) From the following screenshot, what kind of device is circled with red Simply answer the name of the device wont give you any marks. You must explain how you determined that. Internal client PC 60.55.33.12 Check connection table No connection match. Drops and logs packet 1. Spoofed packet from 10.5.2.480 to 60.55.33.122121 Connection

according to laws , ethics and rights discuss the positive and negative impact of facial recognition, DNA & ancestry, Internet of things, 3D printer and AI

Service metrics are used to monitor, measure, and verify services in the network and determine if performance requirements are being met. Therefore, service metrics must be meaningful to the network operators, managers, users, and staff. For each performance requirement below, describe a service metric that could be used to measure and verify the

In behavioral analytics, determining problematic incidents in the flow of events is an example of __________. A) Funnel Analysis B) Path Analysis C) Key Performance Indicators

The ISP has assigned a new company the IP addresses of 192.168.2.0. You are to use the subnet mask of 255.255.255.240 to subnet this given IP address. The 6 th subnet network address is:

Question 1 a. With the help of diagrams, describe LANs, MANs and WANs b . Explain Key Elements Required for Communication Model. c . Differentiate between Peer-to-Peer Networks and Server Centric Networks. d . Provide the main differences that exist between a physical Topology and a Logical topology e . Describe CSMA-CD and CSMA- CA f . List five

Imagine you develop a type of network device that has some new capability not captured in the standard MIB tree. Briefly explain how you would solve the above problem differently if network operators were using NetConfYANG.

Briefly describe how the skills needed for enterprise network management are changing as workloads increasingly move to the cloud.

What port is the web server running on? What is the exploit that you are going to use? What is Armitage, and What is the exploit you are going to use to attack the machine? What is the internal IP address range you are attacking? What is the application you are hiding the malware to create a reverse connection?

Give a couple of examples of Layer 3 functions you might expect to find on a switch and describe them in common terms you might use to talk to a non-networking person. For example, a down port might be like a locked door on the supermarket. Have fun with this one!

Physical characteristics and official standards of coaxial cable, twisted-pair, and fiber-optic cable, and their related connectors

Question 1. List and describe any THREE (3) internal and THREE (3) external business functions?

3. Note Should include reference to specific AWS productsservices available for each of the key security requirements (25 marks)

In response to your peers, suggest a security strategy to help alleviate the organization's concerns over adversaries defeating their IDS or IPS technology

Describe any two advantages of Botclouds for hackers over traditional Botnets. Describe any one attack that can be carried out by hackers using Botclouds.(4 marks)

Alice is a hacker who carries out two attacks on your network. These two attacks are briefly explained below: Attack 1: In this attack, Alice compromises many machines on the internet and then commands them to send thousands of Transmission Control Protocol (TCP) SYN packets to your Web Server. Attack 2: In this attack, Alice uses a packet

Topic 1: Network Baseline and Diagram Why are a network baseline and a data flow diagram important when monitoring a network? Topic 2: Remote Access Security Is remote access security reached the most secure it can be without becoming invasive to the person? Please include references I can read and have access to. Thank you for your time.

5. (20 marks) What is the possible situation(s) of the following screenshot referred to What the attacker is trying to get List 2 well known incidents that used this method. How does the victim mitigate the issue List and explain at least 3 mitigation items to be applied. Username boyle02 Password 12345678 SELECT F username password Username

Using Remote Access Methods * What remote administration tools are used in a workplace? Would you suggest others based on what you are familiar with? * Share any experiences with using VPNs. What protocols did you use? Can you think of any reasons why you would not update the protocols?

Explain the term CIA in terms of cyber security. (4 marks) What is Port Scanning? Why is it useful for hackers? (4 marks)

Without disclosing any information you deem too sensitive, share your thoughts on the cybersecurity score your organization received at the end of the survey in the enrichment activity. Consider the following: How has your organization's score changed since the last time you answered the survey? How has the content leading up to, and including

circle them ( DO NOT COPY FROM OTHER WEBSITES also explain the answer)

How many broadcast domains are shown in this network diagram

elaborate!!! *What security policies and physical security measures has an organization implemented? Are they cumbersome to use? Are they effective in protecting the network and its data? *What types of protections and measures does a company include in their business continuity plan?

In what ways could on-line learning at Canadian colleges be improved..develop a preliminary eassy in response to the reading After experiencing online law school, i am fine with not returning to campus by Josh DeHass

Does a cloud solution replace a T1, T3 and a T2? What does a 100 Base T do?

2. Flow control Consider the following system 1 2 3 Link A Link Be The attributes of this system are as follows Link A Bit rate 100 kilobitssec Window size 34 Propagation time 20msec Link B Propagation time 5msec Node 1 generates messages that are 1 kilobit long. Node 2 is a relay that does not alter the packets, but only buffers them

You studied public cryptography briefly. Based on what you learned, answer the following questions: Provide one practical use case that is hard to achieve without public-key cryptography. Is public cryptography suitable for large messages? Justify your answer

1.according to the cutting edge pattern, distinguish the jobs of an able money trough 2.what boundary might you at some point consider among the six routine capabilities as more interesting to a FM. 3.explain in subtleties the money choice capability of Any monetary director 4.what is how you might interpret liquidity direction as applied particle

Find the following two IP addresses : mcgill.ca's authoritative name server. mcgill.ca's email server. Include the command(s) you used. Question 28 (12 points) You are responsible for administering the corporate network shown in the provided figure. Your ISP assigns you the CIDR network address 123.45.67.0/23. The company has four subnetworks, and

Terminals BSS2 BSS1 Gateway Router Internet Servers

Your office uses IPv4 and is a class B network. You need to make 20 subnets. Calculate the number of bits taken for the subnet and the hosts per subnet. Show all work and explain your reasoning Edit View Insert Format Tools Table 12pt ParagraphBIUA 21

define a basic cybersecurity policy. You will describe here how you will secure your network, documenting the steps taken in Packet Tracer to secure the network. Remove this text and replace with what is added to this section.]

DSLModemPT Latoya Modem1 LaptopPT Latoya Laptop PrinterPT Latoya Printer Lawn Sprinkler loT4 SwitchPT Switch1 RouterPT Router1 Tablet PCPT Latoya Tablet PC0 Fan loT3 0 Wh Power Meter TVPT TV1 LAPPT Light Weight Access Point0 PCPT Latoya PC SMARTPHONEPT Latoya Smartphone0 Power Meter Latoya Thermostat Garage Door loT2

the following is the exercise I have to complete. but I am not sure what exactly the professor needs. although I know the answers to how to get output but I am not sure how and where to run those commands to get the output. PLEASE HELP!!!! I have been given a message.log file. I have been asked to filter packets from that message.log file. I am

How to deface a webpage hosted on a web server by modifying the web page index.html file?

What is a Wide Area Network and how has it benefited others? What types of organizations today utilize this technology? What are some of the Pros and Cons from using a WAN? Many organizations will use a service called Group Policy as an added security measure. why? Include a few examples along with your response.

1)Identify key perimeter protection considerations. 2)Detail the security strategy for data links, including remote partners, suppliers, and employees. 3)Provide insights regarding certification and accreditation, safe network links to cloud resources. 4)Determine appropriate risk assessment approaches that consider both audit and compliance.

In your lab you were guided through creating hyperlinks for works on your website. This is obviously a practical skill and something you are likely to use frequently in web design. You may have noticed that when you click on the links you created thatthey open in the same tab you are currently using in your browser. There is code that must be

In an RPC-like protocol in which multiple requests can be outstanding, and replies can be sent in any order: Assume that requests are numbered and that ACK[N] acknowledges reply[N]. Should ACKs be cumulative? If not, what should happen if an ACK is lost? I DO NOT WANT THE ANSWER COPIED FROM THE DORDAL BOOK OR OTHER WEBSITESI WANT TO UNDERSTAND

TOPIC :- HTTP Write a four page report, explaining the workings of "HTTP". It must explain :- 1. Message Syntax 2. Type of Connection Please provide proper headings to each explanation. Thanks.

Cloud computing, public or private, has become the platform of choice for many businesses. Discuss the benefits of public and private cloud computing and why many users can easily access and use cloud computing products without much setup?

Question 17 (1 point) Why does a wall mount antenna require vertical polarization ensure polarization alignment with wireless stations ensure maximum transfer of the electric field energy easier to mount using standard brackets the propagating electric field is perpendicular to the magnet field the propagating magnet field is perpendicular to the

Discuss any 5 Key Security Elements of SaaS model,Discuss the main requirements for cloud integration

A visitor is passing through a facility with a smartphone in his hand and the video is on. He seems to be pointing it at various screens as he walks by. What is this an example of O Tailgating O Piggybacking O On path attack O Shoulder surfing

Discuss Common Hacker Activity Discuss any critical points related to artifacts being created by the attacker

yournameadminYOURNAME CUsersyournameadminnet stop Windows Time The Windows Time service is stopping. The Windows Time service was stopped successfully.

Two tools can be used for this purpose: Nmap for port scanning and Wireshark for packet sniffing. Part 1: Port scanning Port scanning allows the pentester or attackers to obtain information such as open ports on a given host and the software the server is running on a publically-addressable interface. The attacker can use this information to

A new computer has been added to the network. It has been configured with a manual IP address. However when you try to ping any other computer on the network you are met with a "Destination unreachable" error message. This occurs no matter what computer you are trying to ping.

The hacker obtained the credentials from Directory Buster (dirb) These where the instructions. On Kali, go to Applications , Usual Applications, Internet, Firefox ESR Go to https://gchq.github.io/CyberChef/ Drag From Base64 to the Recipe Column Paste the Base64 text into the input field and click bake Wish I already did but a bit confused on what

Part B Once you have worked out how you will solve the issue, and you have approval to start you can begin to troubleshoot the computer system. Q1. Identify what legislation, Health and Safety requirements, codes, regulations and standards would relate to your work when fixing this issue. Q2. Identify on how you can edit and improve upon the

Explain how the hacker got into the system Notice the username and the password, encoded, in base 64 is exposed.

Part 2: Wireshark packet sniffing Wireshark is a tool for monitoring local network traffic. Wireshark has access to complete header information of all packets on a monitored interface and presents a helpful GUI for understanding the structure of different protocols. It can be a valuable debugging tool for networking projects. Use the Wireshark

(You will use this in the PacketTracer section.) Router Switch 1 Switch 2 PC1 PC2 Part 2 Packet Tracer workstation configuration using two router interfaces (40 points) 1. How many networks (or subnets) are there in the diagram above 2 Using this information and your work from Part 1 1314 and 19, give the following IP addresses PC1 Host IP

Which security approach involves creating multiple accounts for ones own access to the network and its devices A Network access control B O Least privilege C 802.1X D SIEM

Realice el artefacto "Product Backlog" del marco de trabajo Scrum para la siguiente situacin contextualizada: El equipo Scrum, liderado por usted como Scrum Master ha sido seleccionado para el desarrollo de un nuevo proyecto a solicitud del equipo de negocios de la aseguradora "Aseguradora Max David" en los siguientes prrafos se describen las

Write a description of the solution you envisage. Assume that you have chosen Asterisk as the solution. You should include: A description of the architecture - include VoIP, IP telephony, network, and firewall elements A thorough explanation of how your solution will work - the exact process of how calls are made, received, interfaced with the

Convert the following data block into a Hamming Code, of adequate size, using even parity: 1101001. Show all steps for full credit

Network Policy Server is Microsoft's implementation of the RADIUS protocol, a proposed IETF standard that's widely used to centralize authentication, authorization, and accounting to network services. To use NPS, you need to understand the types of messages used in a RADIUS infrastructure carried out in an NPS environment. Describes what types of

PCO PC1 Fa0 Fa0 Fa011 Gig01 Gig001 Gig000 Gig000 Fa012 Switch0 Router0 Router1

A consistent theme in ICT535 is scalable network design. Describe two ways in which an effective IP addressing scheme can support a scalable network.

make a presentation to Compare Postfix and Exchange to one another and to one other mail server.

If two nearby wireless devices (for example, a cordless phone or a wireless client) transmit signals using overlapping frequencies, those devices can interfere with one another. What is the term given to this type of interference A O Latency B RFI C RSSI DO AP

While not all data breaches are publicized, many make national and worldwide news. Others are reported locally. Many news outlets in the IT industry post regular updates on recent attacks so IT professionals can keep updated on the types of attacks that are currently trending. Reading this information also serves as a constant reminder to stay

QUESTION 2 In circuit switching, we use DSL and cable modem Router Proxy server None of them to convert analog signals to digital signals or digital signal to analog signals.

Perform the block shown below such that RSA algorithm is used. Use the following parameters to create the whole scenario. User A: generates two prime numbers q = 3 and p = 5 and e= 7. The message M to be sent by this user to user B is M = [0110].User B: generates two prime numbers q = 7 and p = 3 and e = 11. CoursHeroTranscribedText

You are learning about how Azure Blueprints will help manage your Azure resources. Which of the following are true If a blueprint is updated and the updated version is published, any assignments of the blueprint are updated automatically If a blueprint is assigned to a resource and then removed, the resource will remain in place but the blueprint

After creating a Secondary zone for a domain, what must be done to populate the new DNS server with information?

What biometric devices would you use in a small manufacturing company? What are the liabilities of your suggestion? Do you have an approximate cost per employee? Cite your resources.

3. Data Security Requirements for the Manufacturing Venue Selection 4. AWS Data Security Challenges and Limitations Please at least one page for per question briely explanantion required

Show one Linux command you ran as part of this process (your best guess is ok - it doesn't have to be perfect)

When you removed the DHCP Server role from a server is all DHCP configuration information removed?

A DHCP server can be used to assign a temporary IP address to a DHCP client, as opposed to a network administrator statically configuring an IP address on that client. What is this temporary IP address assignment called A Scope B DHCP relay agent C Lease D Reservation

Here is a question 1. Could you at any point make sense of the thinking behind the thought that fantastic correspondence is a major requirement for fruitful administration? 2. What viewpoints and guidelines of correspondence are vital for the organization of organizations, and how may they be created? 3. What elements add to an individual's

In order to store a DNS zone in Active Directory what must be true concerning the DNS server?

Explain in detail all the capabilities that one platform has regarding business intelligence and data warehouse. How they work with non-cloud data sources? Do they have a migration plan to move from on-premises to the cloud

6. (15 marks) Phishing emails are one of the major issues that email hosting companies and email users are facing. Please investigate the following email and find at least 5 points to identify the email as suspicious fraud phishing email. From Seneca College To Current Students Dear Students, It is once again the time to pay your tuition fees.

Discuss the startup folder and why a hacker might leverage it

1. Brief overview of the Data Security Standards in Australia 2. Differences between the Data Security Standards in Australia & EU PLEASE EXPLAIN BRIEFLY. GIVE DETAIL OF EACH AND EVERY THING WITH HEADINGS

Topic 1: Copyright This week you read about copyright and some of the laws governing digital rights management. Discussion : Copyright protection is available for original works of authorship that are fixed in a tangible form, whether published or unpublished. The categories of works that can be protected by copyright laws include paintings,

Is EIGRP better than OSPF? Is OSPF better than EIGRP? Why or why not?

QUESTION 20 Q20. An AM wave has unmodulated carrier wave peak amplitude of 3V. When modulated its peak amplitude varies from 4.15V to 1.85V. What is the modulation depth (a) m 0.63 a. O b. c. O d. O e. (b) m 1.0 (c) m 0.838 (d) m 3.38 (e) m 0.383 QUESTION 21 Q21. An FM transmitter has a rated system deviation of 50 kHz for a maximum level of

Consider the 4B/5B encoding scheme used along with a second encoding scheme of NRZI. Using the information found at the end of the exam, for the data bits 01011001 a. (3 points) What is the resulting encoded code word for the first stage of 4B/5B encoding? b. (2 points) What is the baud rate after 4B/5B first stage encoding, if the original data

Adult Services Discussion Using the internet or phone book, find a local service for older adults and elderly that offers nutrition opportunities. List the name and location and describe the nature of the services. Explain why you think this service is important for your community.

Explain the process you went through to get the contents of the simple web site onto your CP instance. This is about getting the files in the right place, not about configuring anything. Show one Linux command you ran as part of this process (your best guess is ok - it doesn't have to be perfect)

Answer this 1. What is EBCDIC depend on? 2. In EBCDIC, a limit of 128 particular characters might be encoded. 3. The EBCDIC code for the person An is 4. The hex image for F is 5. In EBCDIC, D5 is utilized to address _______ character. 6. Which of coming up next isn't a person of the number 1110? 7. What is what could be compared to the numeral 9?