Computer Network Questions and Answers August 13, 2018

Write about the basics of computer equipment. A desktop is _____ and a laptop is a _____. A tablet is a _____. And a personal mobile device is a ______. Some computers are equipped with a keyboard which allows a user to press on letters to create documents. Define monitor, USB, mouse, laptop, desktop, tablet. Operating Systems What is an operating

BUSINESS CASE Central City Insurance Company needs your service to establish new IT network. Main parameters of the given case. Insurance Company has five story office building in the city. There are five offices in that building. In each office there will be 25 desktop computers 15 portable/laptop computers and need wireless connection (WiFi) One

You are the network security technician for a large shoe manufacturer based in Detroit, MI. Your internetwork connects six buildings through fiber links. You have experienced numerous attacks on your corporate Web server. The company CEO decides to pay for a firewall. Describe the filters you will implement in your firewall, and note how you will

20. Show that the axioms of the formal theory of propositional logic are tautologies.

To date, Boeing has not implemented the full range of capabilities available through UC systems. Search the Internet for information related to UC security mechanisms. What should Boeing have in place to ensure the privacy and integrity of its UC systems? Discuss any ethical implications or social corporate responsibilities associated with this

Operating VMs with the correct amount of resources is paramount to operating a Cloud environment efficiently. Detail a methodology for ensuring that all virtual machines in your environment are operating at the right size

A. Using the Web search method of Internet footprinting, discover all you can about your schools domain and network and one more target of your choice. Record the results. B. Using the network enumeration method of Internet footprinting, discover all you can about your schools domain and network and one more target of your choice. Record the

ABC wants to build two new buildings. Its current workstations, servers, and IT infrastructureare becoming outdated. The use of new technology instruments aids in the expansion and development of the company. In order to encourage flexible work strategies for its staff and better educational resources for its students, ABC College has opted to

Verifying ICT infrastructure (physical and virtual) in a working environment and CI/CD developed solutions and client and server software.

Write the commands necessary to perform the following tasks. One programmer with username jflowers is retiring. Their user access to the server should be removed. However they have a lot of important work left in their home directory. Make sure that it is preserved. A new hire needs access to the server. Their name is jkwan. They also need

1. The thing about the episode, is that even though Marc Dreier is a convicted criminal, the show ends up giving him a lot of sympathy by allowing us to hear the story from Mr. Dreiers perspective. The story of Marc Dreier is seems miraculous when you consider the acts he got away with, along with the amount of separate times he got away with it.

List 3 database engines supported with AWS RDS. What is the maximum number of DB instances a user can run with RDS? Write the command to upgrade AWS RDS instances. How can RDS be enabled to run automated.

Topic: Providing Wi-Fi system for a small Hospice Group Work Plan/ Scheduling, Cost, Critical path Appears to be complete Individual roles identified and responsibilities assigned Time line Identify all Costs Identify the Critical Path - Original plan submitted when starting up and a final showing the actual v. plan.

Read the following as background for this assignment. https://medium.com/@samphen92/address-resolution-protocol-poisoning-and-detection-using-cain-abel-and-xarp-bd9c6a42a5ab One way we can monitor traffic on a switched Ethernet is to perform ARP poisoning that is used to impersonate the network gateway. From here,the attacker is able to sniff a

Question 3 8 points Saved As the AWS cloud admin for your organization, you have configured a working web server. Your manager asks you to increase the space on this server as it will not satisfy the requirement. Write all steps required to increase the space on the webserver. For the toolbar, press ALTF10 (PC) or ALTFNF10 (Mac). BIUS H Paragraph

What is the magic number for a network with a CIDR of 16?

Routers determine the path to a network using routing tables that list known networks. Routing tables are typically populated in one of three ways: Directly connected networks are added to the table Routes learned through one or more routing protocols are added Routes can be manually added as static What impact does the explosion of the number of

Which portion of the given ip address 172.168.12.1 with default subnet mask of 255.255.0.0 represent the network portion ? 172.168.12 172.168 172.168.12.0 172

A company has misconfigured DNS for their environment. You have been contracted to come and examine the issue. You notice that all of the infrastructure is looking for DNS resolution at 10.0.0.53. The DNS server is in fact located at 10.0.0.50. Referencing technologies that you have used this semester (Azure, xCenter) identify and discuss what

with suitable numerical connections and pieces of PC programs. [20 marks] 8 Databases Describe the ANSI-SPARC engineering for overseeing information, making sense of how it empowers information autonomy to be accomplished. [6 marks] Outline the CODASYL/DBTG proposition for network information base administration, showing how they connect with the

1) A review of Wide Area Network (WAN) protocols and Software Defined Wide Area Network (SDWAN) options to consider the best approaches to network. 2) Evaluation of each of the major cloud service and deployment models proposed in NIST SP 800-145NIST SP 800-145

Homework 2 CNT 4703 Summer A 2022 1. We assume that XYZ Corporation has three business offices and we want to design a data network. These offices are in the cities of Atlanta, Boston, and Chicago. We assume that there are 24 employees in Atlanta, 32 employees in Boston, and 18 employees in Chicago. The traffic between the sites is generated by 3

As an IT Administrator, recommend one provider (Azure or AWS) and justify your choice . Explain why

Explain what these two functions does and why they may be useful. [4 marks] (a) Here is a typical use of map: fun mangle n = (n-2)*(n+7); fun manglelist x = map mangle x; Show how to express manglelist using one of the "fold" functions rather than map. [3 marks] (a) Given a set A, dene the following terms: (i) a relation on A; [1 mark] (ii) an

In what ways do you continue to actively build your professional network? How have you provided support to your network? How has your network supported you?

No client directly uses DNS. In some ways, DNS is the precursorof contemporary directory services. From the very beginning, it wasnot practical to use IP addresses directly address assignmentschange after time. Hosts files, which are tables with name tonumber matching, grew too large to manage as the size of theInternet increased. This caused DNS

Your Server cluster is experiencing a steady and rapid increase in use of compute resources. Memory usage is climbing and will soon reach 80 percent of the current capacity. Each Node has twice the memory capacity as only half the DIMM slots are populated. CPU resources are slowly climbing but remain under 30 percent. All CPU Sockets are populated

1. Login to your server vm using ssh login. Do not use a tty session ! 2. Launch tmux , maximize it and split into two vertical panes. Use LHS to write the script and RHS to execute it. 3. Write a shell script 300123456-a3.sh to perform the following : 3.1. 05pts. Use command substitution to pass the current working directory in $1 . 3.2. 05pts.

Question 4: Assume that you have deployed a network that consists 100 nodes and these nodes are sending their data to sink node, using multihop routing path. During network monitoring, it has been realised that the sink node is receiving less number of packets (e.g., < 50%) due to a counterfeit device. What is it that you are likely seeing here?

Brundtland Commission Meeting Emission Standards The Brundtland Commission was concerned about environmental degradation because it leads to poverty and economic disparities among societies. The 2007 and 2013 Intergovernmental Panel on Climate Change (IPCC) reports showed that global warning exacerbated disparities because the economic loss

An analog signal is a smoothly and continuously varying voltage or current. True False A transmitter is a collection of electronic components and circuits that accepts the transmitted message from the channel and converts it to a form understandable to humans. True False All electronic communication systems have a transmitter, a communication

EQ2) What's the significance of the number sequence (without the periods) if you send a dns query for the movie protagonist's first name (not his/her handle)? Free hint: The answer is five words, all lower case, 25 letters, 4 spaces. Free hint #2. first letters of each word: "t s m p n" Free hint #3: Watch the first six minutes of the movie. It's

Do you feel it is important to have the most up to date and fastest WiFi router on the market? Discuss a reason why you would need to upgrade to a new router and a reason why you would not need to upgrade. Please describe what steps you take to secure your own wireless network at home. If you do not have one, then describe what you would consider

What does 'Subnet 2 to the link between B1-MLS and B2-MLS' in the project mean? Please If you cna help with whole project let me know I will pay

Part2Long Daisy Chain Connection Scenario Program the following scenario in a separate static function in the console application. Call your method private static part2(). Note to run this scenario alone. Create a set of daisy chain connections as follows 1. ABCDEFGHIJKLMNOPQRST U V W X Y Z Send the following messages use random sizes 10..40 1. A

Explain wavelength division multiplexing, dense wavelength division multiplexing, coarse wavelength division multiplexing and statistical multiplexing

Your Tasks Part1 Daisy Chain Connection Scenario Program the following scenario in a separate static function in the console application. Call your method private static part1(). Note to run this scenario alone. Create a set of daisy chain connections as follows 1. ABCD E FG H 2. I J K L M N O P 3. RSTUVWXY Send the following messages use random

Aside from sleep, what else do you think is missing from modern life? Explain your answer, with two refrences to the reading ''Grouchy? Get some Zs'' by Celia Milne.

explain in detail how network telemetry can be used to detect cyberattacks and Discuss how IDS telemetry data would be useful for detecting cyberattacks.

Many other analogies can be used to further describe how communications layers function in a system. What examples can you think of? Consider in what ways you notice one person, company, or other entity communicate with another person, company, or other entity indirectly through multiple layers. Then answer the following questions: 1. What is a

Should companies like Uber, Lyft, and DoorDash be free to run their businesses as they see fit?

1 what is the sudo( sl command)? 2 what is the tail command)? 3) what is the the (ps -ef command)?

Since a ransomware attack on Travelex Company is seen as a data breach, research and present your findings on which national and international governing bodies will investigate these data breaches and issues on personal data losses while imposing fines. This section should cover: Under your researched national and international governing bodies,

Hello Wireshark experts! I need some help with filtering syntax My goal is to find packets that i captured earlier by ID of the packet from var/log/messages i pulled 2 instances of my rules working and i am trying to find it in my wireshark, but cant figure out where to look for that ID Aug 15 22:12:53 kernel: DROPPED-IN=eth0 OUT=eth0 MAC= SRC=

1. Has the hostname assign.machine. 2. Has users called andy clerk, amir perera, and milo lal, with login names andy.clerk, amir.perera, and m.lal respectively. 3. Boots to the command-line automatically. Use the graphical interface for virt-manager on your c7host to provide your virtual machine with an extra 2GiB disk. Divide this disk into 2

30 Hosts 45 Hosts 15 Hosts 5 Hosts

IP Security and Attacks Based on your understanding of networking concepts, develop pages report in a Microsoft Word document answering the following: Describe 'The Three Principles of IP Security'. Cite references as well as a detailed explanation for the same. Explain how you would as an employee of a company practice those principles. Describe

Different Radio form factors, Management, data and control plane, differences between autonomous, centralised, and distributed architecture, VoWiFi, WLAN Bridge Link

THE IDS Detector Engine simulation problemObjective: Implemented a signature based Intrusion Detection Engine. Optimize performance of detection engine. Parameters: This is a individual project, but group members can share ideas and all must document their contributions. 10% of the grade will be based upon the relative performance (in comparison

Fa0s IP 192.168.10.1024 Fa0 GW 192.168.10.1 PC1 Fa0s IP 192.168.20.1024 Fa01 GW 192.168.20.1 Fa03 Fa0 Fa02 Fa04 Switch0 PC2 Switch0show run Fa05 interface FastEthernet01 switchport access van 10 switchport mode access interface FastEthernet02 switchport access Man 20 switchport mode access interface Fast Ethernet03 switchport access van 10

What are basic concepts of networking technology, including cable network architecture.

Snort rule that would block content based on the non-case sensitive ASCII string "..t@ST. This will block the remote listener and log in the IPS when an attacker attempts to spawn a remote shell using these commands Include commands

(a) Assuming the bit stuffing technique, what is the data stream that originated the following frame using bit stuffing technique. 0111111000011111010011111011101111110 (b) Explain how the receiver that receives this stream of bits can identify the data bits that has been sent from the sender. (10pts)

Developa Snort rule based on a hex string in the lab. As part of this question, you will develop a Snort rule to block material based on the ASCII string "..t@ST. This will prevent an attacker from spawning a remote shell using the following commands and report the attempt in the IPS.

8. Data governance is instrumental in producing strategies that allow organizations to effectively manage their data. This units notes identify four aspects of data governance that assist in managing data, namely a data governance team (DGT), data stewards, data architecture, and master data management (MDM). Match each of the aspects of data

Context awareness enables mobility. There are different contexts based on which a mobile application can obtain awareness to enable the mobility feature in its functionality. Location is a popular example. Using suitable examples, identify and explain at least THREE (3) forms of context awareness based on the availability of device resources.

Host Host Host A Host B

2. Match each of the following classifications of data with the states that best describe them. Data that is actively being accessed by a user Data that has been permanently stored on a device or server Data that is being transferred from one device to another Choose... In use In motion At rest Choose...

The system administrator working in your organization always stores documentation on a separate computer. What do you think is the motive behind the administrator's actions

1. Why must the twisting in the individual wires be maintained in a UTP cable? Answer: 2. How many inches should UTP cable be separated from 110 volts electrical cable? Answer: 3. Horizontal cabling connects what areas to each other? Answer: . What is a plenum rated cable? Answer: 5. What is a riser tube used for? Answer: 6. Is the grounding of

1. Ask your question 1 question expires this week B I U x 1 fx file Action View Help HyperV Manager Pro tips to get help Ask one question HyperManager NET496PODMAS Virtual Machines State CPU Assigned Memory Uptim Statu Checkpoin HyperV Manager An error occurred while attempting to start the selected virtual machine(s). Line HyperV failed to start

9. Using crontab (crontab -e) is another way we can schedule tasks in Linux. Create three crontab entries that will Run the file /home/yourusernamegoeshere/simple.sh (e.g., /home/patrick.simple.sh): At 5:55PM on the 2nd day of every month Every day at 3PM Every Wednesday at 5:01AM (Check Your Work: If you would like to test your understanding of

external and internal threats for a fast food restaurant and how mitigate it? I pick a fast food restaurant for a project and the professor is asking for the four basic steps of risk management. identify asses and capabilities that the fast food restaurant need to do their job. 2 asses the capabilities to determine the threats and hazard and to

Stateless Firewalls Lab What is the command you used to capture packets? The command used for capturing packets is tcpdump. What is the command you used to launch a DoS attack? What protocol of the TCP/IP protocol stack was used for the attack? What is the name of the firewall used to secure the network? What is ruleset 200? What is the command

Businesses in the last few years have increasingly been switching to the use of cloud collaboration. For example: Microsoft Teams isn't actually one single cloud collaboration tool but rather a collection of apps and tools that can make working with teams easy and productive. With Office 365, you can use the Office products you love for a variety

How to improve the security of the internal email server Network Attached Storage (NAS) device.

1. A pair of balanced die is thrown once. Find the expected value of the sum of the two numbers on the top.

Migrate a Windows 2008 Domain to Windows 2012 Design and implement a Windows Server 2012R2 network infrastructure Migrate Windows 7 workstations to Windows 10 Pro. Implementing a remote access solution Securing the network using methods and procedures Installing necessary services for proper functioning Prepare the necessary network operation and

QUESTION ONE 50 Critically discuss the positive and negative effects of automation in the work place 2 (45)

Hide Transcribed Text Multiplication Table Function 2 solutions submitted (max Unlimited) I View my solutions Problem Summary If the input is less than 1, then the function should print an error message and output , 1 otherwise the function should output the number of rows.

QUESTION 1 - Services & Servers, Directory services a) [i] "If you aren't monitoring it, you aren't managing it."-Explain the consequences of not monitoring IT services in an organisation. [ii] Suppose you are to make a data centre for providing services to your customer. Explain how you would address the issues of: server selection, topology type

if ne 3 then echo 0 number1 number2 number3 are not given 2 exit 1 fi n1 n22 n33 if n1gt n2 n1 gt n3 then echo n1 is Bigest number elif n2 gt n1 n2 gt n3 then echo n2 is Bigest number elif n3 g n1 n3 gt n2 then echo n4 is Bigest number elif 1 eq 2 1 eq 3 2 eq 3 then else echo All the three numbers are equal echo I can not

Directions Research backup strategies and technologies used in a Linux environment. Address the following questions 1. What are some of the tools and utilities that facilitate backup in a Linux system Research 2 (two) software based backup utilities for Linux (NOT builtin commands). Describe and explain several important features of each utility.

me motherboard does not have any WiFi built in you recommend a WiFi PCIe card, shown below. ASUS PCEAC68 802.11ac Will this card fit into the clients motherboard

Consider the circuit below where all gates are NAND gates. Given the input values, complete the output value (Q) in the truth table below. Io Io NAND Gates A A I I Truth Table A IN I 0 0 0 0 0 0 1 0 1 10 0 1 1 1 0 0 1 0 1 1 1 I 1 Q

10 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15,10 You are given the trace to the right. The value of cwnd in packets is shown, just as in class. If ssthresh starts off at value 8, what will its value be at round 15(10 Points) Enter your answer 10 9 8 7 6 5 4 3 2 1 Av 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 11 Continuing, what kind of

Its different mandates incorporate labor force arranging and methodology, enlistment, representative preparation and improvement, and revealing and examination. 1.in the method for the human asset the board , assess and clarify the capability that express the set hypothesis for gather the positive jobs 2.what is the sign of the matric break down

802.11 CSMACA WITHOUT Hidden Terminals The Access Point hears all mobile stations. Each mobile station can hear the other mobile stations. Access Point SER Mobile Station There is one access point and three mobile stations. The mobile stations can hear each others transmissions. To operate the animation, first click on Start. Then click on a

Explain two approaches that enhance the Quality of Service (QoS) of Voice-over-IP applications

1. Objective: Analyze different types of antennas using EZNEC antenna modelling software 2. Results and Discussion For Dipole, Yagi, antennas attach to your report the following: a.Antenna View b.Azimuth View c.Elevation View d.3D view Discuss your results.

Please describe in short. VirtualBox OpenSSL toolkit VM Bash Scripting for Linux Virtual Network/VBoxMan-age Wireshark Tcpdump Host-to-Host tunnel using simpletun. Please give me references if you use any,thank you

List 3 numerical addressing methods used for computers (not asking for a particular's computer number)

ET725 Lab 2 There are four methods of Internet footprinting 1. Web searching, 2. Network enumeration, 3. Domain Name System (DNS)based reconnaissance, and 4. Networkbased reconnaissance During Web searching, hackers collect information about a target organization by reading Web pages produced by that organization Network enumeration is the process

C 130 minutes remaining To create subnets for the topology shown below, answer the following questions LAN 1 50 Hosts D cloudy LAN 3 50 Hosts Address Space 138.192.0.021 LAN 2 100 Hosts 1. Number of bits to be borrowed is Blank 1 2. Number of subnets created is Blank 2 3. Number of hostssubnet is Blank 3 4. Subnetting can be done without using

You are attempting to upgrade a Windows Server 2008 R2 server to Windows Server 2016 Standard. What must be done in order to accomplish the upgrade?

Use the basic approach to Risk Management of Identification, Assessment, Management and Monitoring to define the infrastructure both under the direct control of the company and out the control of the company. For instance, inside would be the machinery, people, IT systems, communications systems... etc. Outside would be the security, water, power,

Topic 1: Social Engineering Social engineering continues to be one of the more successful hacks. How do we inform the public and continue to educate on social engineering? Is there a way to efficiently educate and inform computer users about this problem? Topic 2: Hardening Network Mistakes What is companies' biggest mistake when trying to harden

Does the URL have a directory path or paths? If so, what is the first one? If it does not have a directory path, how do you know? URL: http://consumer.ftc.gov/features/identity-theft

the ip address start with 10.0.0.0/8. We have 6 departments. Dep A needs 200 hosts, B and C for 60 hosts each, D for 25 hosts, E needs 20 hosts, and F for 5 hosts. What is the subnetting of IP addresses for each department with CIDR notation & first, last usable IP address? please subnet the network in such a way that less number of IP addresses

a complete python script that will require 2 command arguments that are integers If the -m option is used the script will output the value of the 2 integers multiplied together The output should be similar to "The result of multiplying is: 56" If no option is used the script will output the value of the 2 integers added together The output should

192.168.1.221/32 is an example of a(n): MAC address IPv6 address binary network mask IPv4 address what is the private IP address from the list: 173.16.114.250 10.96.16.114 96.16.114.199 192.125.95.99

How do you connect the laptops to WLAN network. Using this topology (adding no new switches or routers etc.)

Topic 1: Wireless Security The military and various Department of Defense agencies have begun to utilize wireless security. Is wireless worth the risk when trying to protect national secrets? Topic 2: Authentication Protocols Do you think authentication protocols are sufficient to combat hackers? What can be done to secure our data and identities

Read about the Top 20 Honeypots (SecurityTrails, 2019)and cover one type of particular interest to you, with a review of one of the associated products. Write a summary of and include your referral links. What impact would more open ports have on the ability of your honey pot to attract hackers? https://securitytrails.com/blog/top-honeypots

P18. a. What is a whois database? b. Use various whois databases on the Internet to obtain the names of two DNS servers. Indicate which whois databases you used. P34. Skype otters a service that allows you to make a phone call from a PC to an ordinary phone. This means that the voice call must pass through both the internet and through a telephone

E-commerce Infrastructure Q1. Provide the example of Class A and Class B Network Address.

Provide the command that will give you pvs, vgs, and lvs information all in one command

1. Explain briefly how RT can be used for Network congestion control 2. CSMA/CD is not commonly used in wired Ethernet networks. Instead, end hosts are typically connected to their nearest Ethernet switch using a full duplex cable. Explain why this kind of network does not require CSMA/CD. 3. each port in a router must have an Ip address assigned

In PowerShell, assume that you have a string variable named x containing the value 100. Which if the following could you use to convert x to an integer x int x x int(x) x parseInt(x) x Cint(x)

ADVANCED DIJKSTRAS LINK STATE ALGORITHM Consider the incomplete 6node network shown below, with the given link costs. 5 1 V 6 8 2 W 6 3 Z Y Consider the completed table below, which calculates the shortest distance to all nodes from W Node Shortest distance from W Previous Node W Z 0 3 55 66 na W W Y W W,Based on

What is the maximum transmission speed (transfer rate) by the lan network interface card