Computer Network Questions and Answers August 15, 2022

VPNs are one of the most popular methods to establish remote connections. A VPN appears to your computer as a regular network connection. It is actually a virtual connection, also called a tunnel, that uses a regular WAN connection of many hops but looks like a direct connection to a remote network or computer. Most VPNs offer the option to

Describe three to five benefits of using a Security Information and Event Management (SIEM) system, such as Splunk, for analyzing and correlating network monitoring data for the purpose of preventing and detecting potential cyber attacks. Focus your comments for this option on the aspects of prevention and detection only.

Fundamental to network management is the ability to gather information about the status and behavior of the networked configuration, which is the function of network monitoring. Indeed, many NMS (Network Management System) provide only a network monitoring capability. We have already examined the basic architectural and design issues of network

In discussions with the IT Director you discover that previous requests for network monitoring software were denied despite the large number of devices and logs spread throughout the enterprise. She has new found hope that the change in culture and philosophy with senior leadership will reduce the burden on the network team so they can focus on

write some of benefits of the network monitoring systems with very good explain , i need explain for each of benifit. Assess three security measures to deliver the integrity concept to the clients and employee in company with good explaining. explain, using an example for each, how implementing a DMZ, static IP and NAT in a network can improve

Provide a brief summary of the following network monitoring technologies: 14. SNMP A) Purpose: B) Architecture: C) List of messages: 15. NetFlow A) Purpose B) Architecture: C) List of messages:

One reason someone may want to use a free network monitoring solution is that they're intimidated by a paid solution. In fact, paid network monitoring tools are typically much easier to use than their free counterparts. This is certainly true when it comes to ipMonitor, as the user-friendly interface helps you quickly identify current [and even

Your network configuration is not functioning properly, what steps would you take to correct the problems and why? What sorts of network monitoring tools are available to network administrators, and what types of information are included in various logs?

1. What are the six perceptual errors Discuss each of it and give at least two examples from the six. 2. What is Attribution theory Give an analysis. 3. Search a free personality testassessment online. From the test you could summarize the major eight traits of your personality 4. What are the Big Five Personality Model 5. Why Should We Care About

Use a network sniffer, such as Wireshark (Wireshark.org) to analyze at least three network connections (such as web (http), email (smtppop3), and file transfer protocol (ftp 2021)). Capture the network traffic and briefly explain what you see. Try some filters to focus in on your connections. Is there any personal or private information that you

In discussions with the IT Director you discover that previous requests for network monitoring software were denied despite the large number of devices and logs spread throughout the enterprise. She has new found hope that the change in culture and philosophy with senior leadership will reduce the burden on the network team so they can focus on

1. Discuss some of the network monitoring tools you have used in your organization. Elaborate on any specific issues that were resolved using one of the network monitoring tools covered in this chapter. If you do not have related experience, discuss what network monitoring tools you would implement in a small business. 2. Discuss data backup

Your cybersecurity firm is submitting a bid for a government contract. For a work shift at the cyber defense operations center, you determine that: The computer network defense (CND) analysis task requires 8 work-hours network monitoring and 2 labor-hours of active remediation of unauthorized activities. The CND infrastructure support

Network bandwidth is a crucial factor in determining the speed and efficiency of data transfer within a network. Understanding bandwidth and its management is essential for network administrators and IT professionals. Choose one or more of the following topics to discuss: 1- Explore concepts like Quality of Service (QoS), bandwidth throttling,

Describe the CIA triad and provide a brief overview of each component of the triad for information security. Identify a physical, administrative, and technical security control that helps ensure the confidentiality, integrity, and availability of healthcare data.

A business want to avoid buying physical hardware and wants to host a PCI-DSS complaint application using the infrastructure as a service model of a public cloud provider. what method can be used to provide network monitoring security controls in this environment

Choose a common packet inspection tool and explain how it works to mitigate threats. Describe three criteria that a network or security administrator might use when selecting a network monitoring tool. Describe a security policy that is designed to ensure that an organizations information is not compromised by internal IT staff.

1. Implementing different techniques in network security (such as DMZ, static IP and NAT). you should provide a detailed example for each technique showing how it will enhance security. 2. Discussing the benefits and justification of using Network Monitoring Systems. 3. Evaluating a minimum of three of physical and three virtual security measures

Compare between the community profile implemented by SNMPv2 and the Security and Access Control implemented by SNMPv3. List the functions of remote network monitoring (RMON) in data link layer. Lets consider this classification of network management tools: Status monitoring tools Traffic monitoring tools Route monitoring tools Please answer these

Ethical theories is the way we decide if an action is ethical or unethical. Describe the following theories. Give example to support your answer. (a) Subjective Relativism (b) Ethical Egoism Question 2 Parents install network monitoring and web filtering system on their childrens computer to monitor their children activities when using computers.

The Cisco Network Analysis Module (NAM) is an integrated traffic monitoring service module that occupies a single slot in the chassis of the Cisco Catalyst 6500 Series Switch. It gives Cisco network administrators full application layer visibility, providing this information to the network engineer using a browser from any point on the network.

Which tools are best for continuous monitoring of network with new code over a time period to understand how well a network is working? Explain why. Network Monitoring Tools to choose from : NagiosCore; Cacti; Zabbix; ntop; Icinga; Spiceworks; Wireshark; Nmap; Traceroute NG

The goal of this lab is to give you practice troubleshooting a firewall ruleset. Objectives After completing this lab, you will be able to Identify potential mistakes in rulesets and Troubleshoot rulesets. Activity You have been hired as the new firewall administrator for Sweet Jobs, LLC. One of your first tasks is to review the current firewall

Describe the types of alerts you can program your network monitor to send to IT staff when it detects specific and problematic conditions

Name your favorite network monitoring tool. Describe how you use it for detecting network issues. Why do you think this tool is effective? What are its weak spots?

Understanding computer networks answer the following with short summaries. topic 1: Briefly describe the current Internet architecture and status. topic 2: describe how the Internet design and/or technologies used make it resilient and successful for the intended purpose with supporting examples. topic 3: describe how the Internet design,

I want to build a model that other companies can look at and emulate. A model thats based on strong ethics and financial success. Joe Whinney, founder of Theo Chocolate, says when describing his company. Seattlebased Theo Chocolate uses the cocoa bean to make the world a better place. The company has become known for its organic, Fair Trade

At the back of your cave are the drawings of your ancestors that you turn to in times of great trial. Having reviewed them and trusting their wisdom, write new glyphs that define the following terms (5 xp each) 1- NIDS 2- Firewall 3- DDoS 4- HIDS 5- IPS

Social Media, discusses how people use social media, identifies common business uses of social media, and examines many of the ethical issues associated with the use of social media. The most popular social networking platforms are identified. The business applications of social media are covered, including the use of social networks to

Give a brief definition of a Computer Network. List 3 benefits or advantages of Computer Networks. (5) b) Computer networks are divided into several layers, for instance, ISOs OSI has seven layers, and the Internets TCPIP has only 4 layers. i) ii) Explain the open systems concept (in the context of the OSI model) State 3 reasons why the layered

you are required to design the wired and wireless networks suitable for the case study requirement. You are required to have the following contents. . IP addresses table (suitable for the design) Network topology design in an appropriate simulation software Design configuration, including Switch configuration, . Router configuration, DHCP

Design an applicationlevel protocol. The protocol should serve the issues related to the transactions between an automatic teller machine (ATM) and a banks centralized computer. The important steps need to be considered in design of protocol are as follows: Verify users card and password linked to it. Query and show the account balance (at

Your company is trying to decide on the most cost effective approach to build a new environment to support a new business initiative. Do they build onsite or use a cloud provider? You will conduct a Cost Estimate and Cost Analysis that will compare the cost estimate of two separate infrastructure with the same infrastructure requirements: AWS

A company used an EC2 instance with an Apache web server to host a website. At peak times of day, the website users report long response time or timeout issues while visiting the website. What solution would be best to recommend to solve the issues?

In a song popular during the economic difficulties of the late 1970s and early 1980s, the down-and-out asked for a pesewa. Years later, inflation raised the pitch on city streets to one Ghana cedi. Homelessness became a publicly recognized problem. At the Ministry of Works and Housing and Urban Development (MWHUD), some political appointees,

Assume that you are working in a university department and you are writing an email to your department head about taking permission to a causal leave for three days due to your illness. Note that, you are working on preparing a technical report within a team and the work should not be interrupted. Please write this email in a proper way by using

Our reading this week explored various types of emails and memos: progress reports, meeting minutes, incident reports, directives, general information, and responses to inquiries. Your task for this week is to compose an email or memo (you can choose which) that is based on the scenario below. Youve been hired as an Assistant Director of Nursing

The Fresnel function S(x) sin (2) dt is important in the theory of Fourier Optics in Physics. Find the value of S(x) lim 20 5x3 (Hint remember LHospitals Rule.) 3 1. limit 2. limit 3. limit 4. limit 5. limit CTIC an ole ole u 9 3 T

Explain the difference between Fresnel diffraction and Fraunhofer diffraction. Comment on the behavior of fields and how they interfere in each zone, and explain if there is a sudden or smooth transition from the Fresnel zone to the Fraunhofer zone (3 marks) Describe how you would write Python code that could model the farfield diffraction pattern

Explain the difference between Fresnel diffraction and Fraunhofer diffraction. Comment on the behaviour of the fields and how they interfere in each zone. Is there a sudden or smooth transition from the Fresnel zone to the Fraunhofer zone (3 marks) Describe how you would write a Python code that could model the farfield diffraction pattern of a

Use the information summarized below to sketch the graph of the function f. (0,8)(8,00) f(16)8 (8)24 f(0)0 (cusp) 1(4)8 (16)16 lim f(x)0, lim f(x)0 194 Domain Points Asymptotes Increasingdecreasing Concavity 32 lim f(x), lim f(x)400 X8 X48 f(x) 0 on (8,0) f(x) 0 on (0,8) and (0,8) and (8,00) Hint f(8)0, f(0) DNE, f(8) DNE f(x)0 on (16,0) and (0,4)

Welcome to the LAST Discussion Board topic! Remember that your participation in the discussion occurs over a two week period. In the first week you will respond to the Discussion questions in your own words to demonstrate your mastery of the topic. During the second week of the Discussion Board, you are required to reply to at least two of your

Describe two characteristics of one of the following eras of PR development public be damned, public be fooled, public be informed. Provide an example of the power of communications in Public Relations.

In the future, you may be asked to develop a plan to upgrade more than 100 Windows 7 and Windows 8.1 computers. Describe how you would make the upgrade. Consider the following questions as you formulate your initial post: Would you preinstall printer drivers, network configs, applications, local policies, Windows update services, security configs,

Describe the role of the public relations department. How is it related to the marketing department? Should both departments be called the Department of Communications? Why or why not?

The following are parity questions Assume even parity and add a parity bit to 01010100 Is the following data plus parity bit correct for odd parity? Why or why not? 011011010 Is the following data plus parity bit correct for even parity? Why or why not? 101001101

The BigIP ISP network contains 5 PE LSRs (R1 R5). BigIP uses OSPF to synchronize global routing tables among these 5 routers. All link bandwidths are 1 Gbps. BigIP has two corporate customers the Gordon Corporation has 4 customer sites, which are connected to BigIP PE routers R1, R2, R3, R5, respectively, while Blatchley Enterprises has one

What are the four classic models of public relations? Describe each in a few sentences. Has technology made a difference in the way the PR profession is practiced today? How? What types of public relations activities / campaigns / personalities (stars / reporters / etc) are you familiar with in your home country? What are you familiar with from

A successful public relations campaign begins ends with research. a. Why is research important in public relations campaign planning b. As a campaign, explain the various research steps you would take towards obtaining a successful campaign. Question 2 You have been recruited as Strategic Planning and New Business Development Manager for an

a.) Construct a truth table and write the equation for the house alarm system (A) b.) draw the circuit diagram/ schematic c.) Construct using 74xxxx ICs (Simulated or hand-drawn)

A house alarm system has three inputs alarm enable (E), door intruder (D) sensor and window intruder (W) sensor. The alarm (A) will turn on if the alarm is enabled (E) and the door intruder sensor (D) or window intruder sensor (W) is activated. The alarm will not be activated, if the alarm is not enabled even if there is an intruder coming from

a. How does an Operating System (OS) help a programmer to use the computer system to run a program stored in the hard-disk? What is the difference between a process and a program? b. Why does an OS maintain different states of a process? c. What are system calls? What is their purpose in managing an operating system?

Matt Sokkov considers himself to be an average guy. He likes a drink with his mates after work; he works fairly hard at his job most days; and, most people seem to get on well with him. But there are two people that drive him crazy: one of his workmates and his boss. Matt is a detective in a NSW police department in an area in Sydneys inner-west

ENorm, Inc. has two sites in Pittsburgh that are four miles apart. Each site consists of a large factory with office space for 25 users at the front of the factory and up to 20 workstations in two work cells on each factory floor. All office users need access to an inventory database that runs on a server at the Allegheny Street location they also

Using MS Paint, MS Visio, Google Drawings, or OpenOffice Drawing, create a drawing of a Local Area Network (LAN) (see attached example). The network must consist of at least two hosts plus a central hub connecting the hosts. You may use the drawing from Module Two as the starting point for this assignment. Each of the hosts must have the following

(a) Access Control Lists can be used to control traffic in a network. State any two parameters that can be used to filter traffic using extended IP access lists. 2 marks (b) Figure 1 below shows network segments interconnected by two routers A and B. Write an extended ACL to permit the first 63 usable addresses in the 192.168.45.0 network to reach

Your company is given the block of addresses at 114.88.0.0/16. Create different subnets to support multiple locations at branch offices. a) Group 1: Atlanta needs 300 networks that can support 60 hosts each. b) Group 2: Macon needs 56 networks that can support 12 hosts each. c) Group 3: Augusta needs 500 networks that can support 6 hosts each.

As the manager of a customer service call center, you are evaluating the quality of the call centers operations. One of the most important metrics in a call center is time in queue (TiQ), the time a customerwaits before a customer service representative (CSR) comes on the line to help. To provide the best customer experience, you want your

Design the following network configuration using packet tracer a) 2 Server (type Reg.NoPT) b) 2 PCs c) 5 Laptops d) 4 Routers c) 3 Switches Type all the name using label option(type your Reg.no a server name) Assign IP address to all PCsUsing Class B IP address Implement DHCP to all Laptops Using Class C IP address Assign IP address to

you start from a Windows 7 computer and install Windows 10 while maintaining your Windows 7 installation. Answer the following questions in preparation for this installation: Discussion Questions a. What hardware considerations must you take into account before performing the installation? Think about CPU requirements, disk requirements, and

What is the difference between Virtual and Physical addresses? What is the relationship between thrashing and page faults? Why is the Optimal Page Replacement algorithm not used in virtual memory systems? List three security threats to a system or its information and list their corresponding attacks that would cause the security violation.

Write the commands to execute the following 6. Create a 3X3 matrix, A, with the elements, 12, 40, 5 in the 2nd Row, 9, 14, 20 in the first row and 50, 17, 1 in the 3rd row. Create matrix B, a 3X3 with random integer elements from MATLAB, within the range of 0 to 10. 1 mark 7. Multiply matrix B by its identity matrix. 1 mark 8. Multiply matrix A by

Let x(s) is given by C(s) x(s)

(a) If h is the height of a pyramid and A is the area of its square base, find the volume of the pyramid using a suitable method of integration. Sketch the crosssection of the pyramid. (b) Use Disc method to find the volume of the solid formed by revolving the region bounded by f(x)2x and g(x)1 about the line y1. Sketch the region and the solid of

The IR spectrum of Phenacetin is presented, as well as its structure. Describe the type of oscillations of the set values by wave number. The wavenumber (cm) values provided are taken from the spectra presented. Describe the type of oscillations for the following bands in the IR spectrum of Phenacetin 2981 cm 1658 cm Example Vs(CspH,CH3)

Given that a4, 1615 and that ab6, determine labl. Show all work for full marks. If possible provide an exact answer. (6 marks)

BON 350 30 29 20x 15K 10K SK OK SK 10K 15 2. Create the following visualization of prescription quantity versus profit. The color of each mark denotes the region and the shape denotes the drug supplier. Include at least what you see in the picture (i.e. legend, etc). (60 pts) 1 0 50 . 100 D 150 250 300 350 0 0 400 0 0 4 to 450 8x Quarity 500

Choose two applications from the list below. You should make your selections so that you are able to describe both points of similarity and points of difference when answering the questions that follow. Electronic file transfer Electronic mail Bittorrent . Internet Relay Chat (IRC) The Domain Name System (DNS) IP Telephony (VoIP, not Skype or

A ZigBee network is shown in Fig Q4, the address (Addr) and neighbor nodes (N) of each ZigBee nodes are indicated in Fig Q4. Assume that the network is joined with maximum number of children and router and also has reached the maximum network depth. Perform the design of ZigBee network in the following steps with reasonable assumptions a) Redraw

The following program snippet has errors. Locate as many as you can. int pint nullptr pint new int if (pint nullptr) pint else 100 cout Memory allocation error

Consider the tables provided below and answer the following SQL questions Table 1 Book Title Issue Date MemberID Database 983939323 10052021 2 System Analysis 942857878 02032021 1 Programming 955265622 26032021 2 942637537 15042021 3 Cloud Computing ISBN Table 2 Member MemberID FirstName LastName Email 1 2 3 Mark Smith Mark.smithgmail.com Sarah

1 2 3 4 1 4 2 0 2 3 2 The following four graphs are residual plots from linear regression analyses. Using these residuals plots, answer the questions. (a) Residual Plot (b) Residual Plot . . O O 1 0 (c) Residual Plot 8 O 2 3 O 4 2 0 4 23 T O 3 2 O 1 0 1 (c) Residual Plot 2 O 3 3 2 1 0 1 2 3 3 2 1 0 1 2 Which residual plot shows a violation of the

Consider the ndimensional parity function where n 2,3. Write the truth table for both functions and plot their input spaces. Is there a singleneuron perceptron capable of computing these functions Explain why or why not

Consider the following twodimension parity check, with original data in a 4 x 4 matrix. For each row and column, we generate a parity bit, forming a 5 x 5 matrix. The parity bits are in the last column and last row. Then, the 25 bits will be transmitted through a bitflipping channel. For simplification, we assume that each original bit is flipped

You are a system administrator tasked with setting up a new Windows Server 2019 machine as a domain controller and installing Active Directory Domain Services (AD DS) for a new organization. Explain the prerequisites for promoting a Windows Server 2019 to a domain controller

In Drosophila melanogaster, cut wings (ct) is recessive to normal wings (ct), sable body (s) is recessive to gray body (s), and vermilion eyes (v) is recessive to red eyes (v). All three recessive mutations are Xlinked. A female fly with cut wings, sable body, and vermilion eyes is crossed to a male with normal wings, gray body, and red eyes. The

a. Suppose we change the vector pa to 025. Is the data still linearly separable Show your answer graphically. Use MATLAB to implement a perceptron to solve this problem. Explain your results.,class 1 1 P P. P 2, Class 2 P 2. P. 3 ( class 3 class 4

Define Network Management. Explain network management, goals and functions, necessary function grouping figure. What are the challenges of information technology managers in managing the network Define Analogy of telephone Network Management Explain about the network topology in the perspective of network management. Write a note on (i) VLAN

You have been assigned the responsibility of adding a new vendor's components with its own Network Management System (NMS) to an existing network managed by a different NMS. Identify the set of functions that you need to do to fulfil your task.

Explain major operation of above bridging hub. How cross bar switch will help for multiport bridge hub Some main performance metrics of switches are backplane bandwidth, forwarding capability and number of MAC address. Try to state some realistic value for each parameters. For Jahangirnagar University Network, what will be your suggestion for

The network forms the essential infrastructural backbone of a modern enterprise. It connects multiple operational sites, devices, and systems to keep online operations running. Everything from your web-based business presence to virtual collaboration and application development hinges on the network. A network management and monitoring tool

Write the function equation of the following table using minterms Design the circuit diagram of step (1) and check the output values of (x). a 0 0 0 0 1 1 1 1 b 0 0 C 0 1 1 0 1 1 0 0 0 1 1 0 1 1 X 1 0 0 0 1 0 0 1 Minterms

In the network management framework, there is a managed device (managed objects, management information base, management agent), managing entity, and network, management protocol. What is the purpose of each and describe how they work together. Pick a tool that is used for network management and monitoring.

Design the following by yourself A (DFD) Data Flow Diagram level 0 (Context diagram) Physical DFD level 1 Physical DFD level 2 Logical DFD level 1 Logical DFD level 2 of Network Management System. With explain the diagram of all type. B (ERD) Entity Relationship Diagram for Network Management System. With explain the diagram C Basic user

you will develop a network management strategy. Such a strategy can add value to your network by improving and updating your monitoring tools and ensuring that you are up-to-date with all of the processes and procedures needed to quantify risks to your network. Prepare a network management strategy that you could present to the CIO of the

A customer network would like to deploy a network management system (NMS) to monitor multiple network devices such as a router. As a result, the customer network will be using Simple Network Management Protocol (SNMP) as its network management protocol. (i) Differentiate between an SNMP manager and a managed device. (ii) State TWO advantages of

The following table lists the activities of a network along with their time estimates Activity Predecessor Duration (Days) Most Likely (m) (b) ABCDEFGHIT None None A A B E, F G H, I Optimistic (a) 2432SMANGO 5765 on nao 6 5 Pessimistic 8698HSH 16 11 15 14 8 12,(a) Draw the project network. Use activity on node (AON) method. (b) Identify the

According to ITUT, one of the 5 Areas of Network Management is Accounting Management. What network management activities are included in Accounting Management Name one advantage of SNMPv3 over SNMPv2.

Draw the architecture of IP Management Network which consists of Operation Support System (OSS), Network Management System (NMS) and Element Management System (EMS). Explain briefly the functions of each system.

Draw Data Flow Diagrams (DFD) for a Network Management System (NMS) Draw Entity Relationship Diagram (ERD) for a Network Management System (NMS)

What is the purpose of both the Application layer and the transport layer in the OSI model? illustrate 3 cons and 3 pros of the OSI model Explain how both Tow-Tier and Three-Tier Network Management Organization Model works.

A factory produces 8 different items using 6 machines. the table below shows machines needed for each item. Use both Row and Column Masking (RCM) and Rank Ordered Clustering (ROC) techniques to cluster the following parts and machines to manufacturing cells. Part Type 12345678 2 Sequence of Machine Types Visited 3, 5, 2 3,5 4, 6, 1 1,4 6,4 1,6

PetroChina Company Limited is Chinas biggest oil and gas producer. PetroChina uses a very accurate and efficient performance evaluation system. PetroChina uses performance contracts to ensure performance supports its business strategy. All managers in nationwide companies, regional companies, senior management, and several functional departments

What barriers to effective communication to anticipate from internal and external stakeholders when presenting the upcoming expansion of another health care facility in another area of the city where there is a need for more services. What strategies to overcome these barriers.

a) Describe and critically appraise how Network Management Systems have evolved to incorporate standardsbased features such as the Telecommunications Management Network (TMN) and de facto SNMP elements. Include practical examples of management systems used at various TMN levels. EV 10 Marks b) How can various versions of SNMP and nonSNMP devices

Explain the concept of ergonomics and its importance in manual work design Provide 3 examples of how ergonomic principles can enhance workplace safety and productivity. Discuss the role of anthropometry in ergonomic manual work design Provide 3 examples of how anthropometric data can be applied in designing workspaces and equipment. (

Network management enables administrators to maintain the network's performance and availability by managing and monitoring it. In your opinion: What difficulties do teams or administrators in network management face? What best practices should be taken into account to construct an optimal environment for efficient network management?

As an IT professional, the right network management tools can help simplify your ongoing IT tasks. Your companys network is certainly the last thing you want to fail the most. However, with the right tools, you can ensure that your network connection stays up and running. (a) Evaluate at least TWO (2) network management tools and select the most

In what ways are network management and network security interrelated When designing network management for your customer, what security concerns will you address When desgning network security for your customer, what network management concerns will you address Research a network management product or tool of your choice. Describe the product or

What is the broadband communication system and how broadband network support quality of service (Qos) Encode 32bit INTEGER 12 in TLV format What kind of network management protocols are available What information can these protocols provide Explain it with example. What is the error message that occurs when the manager sends SetRequest to a

Are the following statements true or false Provide an explanation to your answer. (1) If f(x, y) is a function of two variables z and y, then f(4. y) is a function of only one variable. (2) A table for the function z f(x, y) cannot have any values of appearing twice. (3) The graph of the equation 4 is parallel to the yzplane.