Computer Network Questions and Answers August 13, 2018

How do physical obstructions affect wireless? What are the ways that are affected? Would there be ways to alleviate those obstructions, and what would they be? How would the placement of antennas help? Channel allocation?

DMZ (Demilitarized Zone) and Port Forwarding are two terms often used when dealing with internet security. Discuss the key differences between DMZ and Port Forwarding. When do we need DMZ vs. when do we need Port Forwarding? How does DMZ and Port Forwarding relate to security? Have you ever used DMZ or Port Forwarding before (and why)?

Another administrator create mount point and mount a partition to the mount point. You doubted if his configuration was correct. a) What command is used to find the device mounted information b) What commands can be used to correct

15. WEP, WPA, and WPA2 are all forms of wireless_________ . a. Access b. Routers c. Services d. Encryption

14. What does SSID stand for? a. Service set identifier b. Security service Internet domain c. Security station identification d. Simple security Internet device

pick a component that interests you among computer virtualization, including O/S, Applications, network virtualization and storage virtualization. Find out what the industry trends are. Check out CISCO and BROCADE for Virtual Switches applications VMWARE, ORACLE and MICROSOFT and see how to virtualize networks. Decide on how to get the SDDC up and

administrator manually configured a server's network interface card (NIC) settings to run at 100Mbps and connected the server to the switch. However, communications between the server and other hosts on the network were extremely slow. When the administrator checked the light on the server's switch port, it was blinking amber. What kind of issue

Q1. Why do we need the destination port number in the UDP header? Explain why the IP address wouldn't be sufficient.

Create100subnetsfrom thefollowing starting address: 167.217.40.0/22 provide answers in dotted decimal format.Do not include CIDR subnet notation. New subnet mask: How many hosts are available per subnet?(Write the total number, not the formula): First available host address forSubnet10: Last available host address forSubnet10: First available host

what are the two NexGen Firewall vendors rather than cisco's NexGen. Describe the similarities and differences between Cisco'sNexGen and the other two vendors.

There are many different organizations,which handle the creation of networking and Internet standards.Give a real-world example of the work done by each of these organizations. Why would you want to keep a log of problems on the network?

I want a wiring diagram for network cabling of 6 computers the components are 6 ethernet cables patch pannels switches equipment rack please provide an image for the diagram

HL5 Use static routing throughout the networks Use IPv6 addressing - type Global Unicast - in the space 2001:DB8:ACAD:XX##:: /64. Replace XX with the number 14. Replace ## with a value representing the subnet portion of the address. There are no specific host requirements. Ipv6 has plenty of address space. Use the following subnet values: LA LAN

Please go back into the introduction for this week and review the article, "5 Reasons why your Online Presence Will Replace Your Resume in 10 Years." Now, if you look at the date, we are currently 12 years out from the publication of this article. Since we are almost at the expiration date of this article, a few questions come to mind... 1. Do you

define and use the following commands line troubleshooting tools (show images of results): task kill , shutdown , task list , dir , help and /?

solve with Amazon AWS You will create a simple DR solution. Using East Coast region: an EC2 and install apache on it (make sure apache would be on when the EC2 is started) a snapshot of the volume of this EC2 an image using the snapshot Copy that image to west coast region, let us call it WCR Using the West Coast region: a new ec2 instance from

Since IP is a connectionless protocol, each datagram must contain both source and destination network addresses. (t/f) WiMAX BWA is another term for WiMAX 4G Mobile Wireless. (t/f)

DCAN202 Assessment Bri... 4 extenuating circumstances impacting course of study, incurs a 5 penalty per calendar day, calculated by deduction from the total mark. For example. An Assessment Task marked out of 40 will incur a 2 mark penalty for each calendar day. More information, please refer to (Kent Website MyKent Student Link POLICY Assessment

01.what is Android ransomeware? 02.how a ndroid/mobile ransomeware work (briefly, more details will be presented ? 03.what are serious consequences android/mobile ransomware can cause to mobile users as well as society? 04. what are current status of this a ndroid/mobile ransomware attack (in our real life)? Noted;Please provide the reference as

Q3.1 10 Points What is a Byzantine fault (or failure) Why might a Byzantine failure be more difficult to deal with than a failsilent one,Q3.3 5 Points Why do Raft leaders send empty AppendEntry messages to each server Enter your answer here Save Answer Q3.4 5 Points What does a Raft follower do when an election timeout occurs Enter your answer

Briefly discuss the proper network design strategy for a conventional data center. Be sure to outline which types of media (copper or fiber) should be deployed and why.

Why are there differences between IP classranges? How can you identify the class based on the IP address? How does understanding IP addressing help you troubleshoot and fix IP addressing issues?

3. To expand upon the previous question, what are the different types of Linux processes which can be created and briefly explain each type of process. 4. There are a few ways to view running processes in Linux. One of those ways is with the "top" command which will dynamically display running processes and update every three seconds until stopped

Name of the network devices with manufacturer's name, series, model, features, and ports. (like router, switches access points (APs),)

explain this network topology please ! It doesn't need to be super-involved; just help me understand the setup. Thank you in advance!

Internet Edge Firewalls vdi15a22 (10.25.16.32) VDI Server FibreChannel SAN Headquarters Core Network MPLS Headquarters Distribution and Access Network Exhange Server 155cm2 (10.103.14.47) File Server (bankshare01) mgr257 (10.103.52.55) cio1 (10.104.25.6) Bank Branch lincolnbackoffice 15 (10.105.127.134)

The network layer uses the _______ bit IP addresses and the link layer or MAC layer uses _______ bit IP addresses for addressing

Which TCP/IP layer is responsible for transmission of data on physical medium? a. Application Layer b. Transport Layer c. Physical Layer d. Session Layer

By what property of a packet can an ACL be set up to filter? a.) IP address only b.) IP address, MAC address, or port number c.) IP address or MAC address only d.) MAC address only

what are the netstat -a, netstat -r and netstat -h do?

explain this part further The aggregated address range is determined by the network portion and the new subnet mask. In this case, the aggregated address range is 200.96.80.0/20

- How does a router determine which route will be used to forward a packet? - What is the difference between distance vector routing and link state routing?

5. Make a backup of the original default rules: a. cp /etc/sysconfig/iptables /etc/sysconfig/iptables.original 6. Connect to your client VM and try to ping or ssh to Server VM. Was it successful? (it should have worked)

Which type of netwok environment will you recomend to a online bus transport app to control (bus seats, paymentsm tex), monitor(bus destination routes...) and give quic access to all the users

Question 1 (30) Consider the headers of HTTP request and response messages below HTTP Request GET fmiscellaneous9SPEEDlogo11.svg HTTP1.1 Accept imageavif, imagewebp, imageapng, imagesvgxml, image,q0.8 AcceptEncoding gzip, deflate, br AcceptLanguage enUS,enq0.9, zhCNq0.8, zhq0.7, zhTWq0.6 CacheControl nocache Connection keepalive Host

An interior gateway protocol (IGP) works inside of what? Autonomous system (AS) Host Subnet Routing table

make shell script named ' verify_student.sh' The value of Name and SID variables will be taken from the user input and compared with < Your Name> ' and ' ' (replace with your own name and ID in the script). If both values match then the output will be " Student is registered ", otherwise the output will be " Student is NOT registered". Execute the

Instructions 1. Using Packet Tracer, implement the network diagram below. 2. A node should be able to ping to any points in the network. 3. Use only the assigned class C IP address. RouterTEmpty RouterO RouterTEmpty Router1 RouterFTEmpty Router2 RouterTEmpty Router3 295024 Switch0 295024 Switch1 295024 Switch2 295024 Switch3 20 PCPT PCPT PCO PC1

INTASC and EdTPA identify the Standards for Teachers. Analyze the expected outcome for each standard and how it relates to the evaluation process of EdTPA. Include the relevance to teaching and learning in classrooms of today. How can this information help you design a classroom management plan to meet the needs of your students? You will submit a

Using the relational table LINEITEM of the sample database TPCHR, for each one of the queries listed below: i. Find all the discount (l_discount) of all the items that are shipped (l_shipdate) most recently. Hint. Most recently mean the latest shipment date. ii. Find the total number of items shipped by air (l_shipmode) in 1998 (l_shipdate). iii.

Maximum 5 marks in total for question part Maximum 3 marks for algorithm Description (max 3) - set variable called HighestScore to zero and variable called BestName to dummy value - loop 30 times to check each student's total score in turn - check student's score against HighestScore - if student's score > HighestScore then - replace value in

Post one or two paragraphs describing your reaction to Alexie's memoir about learning to read and how he expresses his commitment to social change in his community. How is it the same or different from your own story of learning? Post an additional paragraph about your views on how technology frames our perspective. Comment on what you found the

Manage command history This objective may not work in Packet Tracer, partially or entirely. Nevertheless, make sure to write the commands and answer question in the laboratory report. Enter script that accomplishes the following: Displays the command history Disables the command history feature Re-enables the command history feature Displays the

After spending your morning watching HR onboarding videos and the first part of your afternoon examining your network, your boss wants to meet with you. In the meeting, your new boss gets right to the point. They are impressed with the initiative you took to understand the current network picture, and would like you to convert your initial

You have the following private IP address for a router: 192.168.0.1/27 a) What is the correct net mask and broadcast address for this network (CIDR-notation)? b) How many IP-addresses can be given from this private network?

Question 1 [10 marks] Network infrastructure is typically part of the IT Infrastructure found in most enterprise IT environments. The entire network infrastructure is interconnected, and can be used for internal communications, external communications, or both. With regards to the above statement discuss the following: a. Networking Hardware:

Use of a diagram to explain fat and thin client. Explain advantages and disadvantages of fat and thin client. Explain differences between fat and thin client.

Use a real-world analogy to describe the five-layer TCP/IP network model. Please develop your analogy to share the details. An example is below for your reference as you develop your own analogy.

Question 1: Apart from LRU, OPT and FIFO page replacement policies, we also have the second chance/clock page replacement policy. In the Second Chance page replacement policy, the candidate pages for removal are considered in a round robin matter, and a page that has been accessed between consecutive considerations will not be replaced. The page

Evaluate the importance of an IP address in relations to the Internet Protocol? (5) Compare an Information Systems Security Analyst position to a Software Developer position and list their main responsibilities. (6) The COVID-19 pandemic has resulted in an increase of click and collect facilities from most merchants in Australia including Kmart,

DO DO Iddr Be as specific as possible. 2. Project Schedule 2 Think about how long it will take for you to complete this project. Answer the questions related to your project schedule. What software programming is required for this project What hardware electronics is required for this project What other equipment may be required for this project

What are Interfaces? Explain the Network Adage," Switch where you can; router where you must". pls explain in five hundrd wrds wd zero plagrsam

The distance between blocks is 210 meters.Each block has its own server room for housing servers and network devices.How the two activities being executed? Explain the difference between 'y' and "xy" when used as constants in C. Describe the memory representation of both values. [5 marks] (b.a) Consider the following C program: void swap(int x,

A UDP service FlagServ is running at flagserv.cse543.rev.fish:13337. This UDP service receives a target IP address from the user, and if the user is authenticated, it will happily send a flag (a special string) via UDP to port 13337 of the target IP. we need to retrieve the flag. FlagServ employs THE BEST AUTHENTICATION METHOD IN THE WORLD:

The reflection questions are to be answered separately. Post these in the "comments" box when submitting your assignment. Be sure to address all four questions. Aside from simply meeting the requirements, what were your personal goals for this assignment? State at least two goals and answer in a short paragraph of at least three sentences. Goals

Activity 5: Conduct a risk assessment on the network security system and categorize risks. This part of the activity requires you to Conduct a risk assessment on the network security system and categorize risks and document the outcomes using 'Template' Template: Information on conducting a risk assessment on the network security system and

Read the file "IP Addresses and Routing Tables." Then, answer the following question. An organization wants to form subnets for four departments with the following number of hosts A dept: 82 B dept: 40 C dept: 18 D dept: 60 Assuming the ISP serving the company starts with old class C address 210.118.63, what does the company's CIDR entries in the

creating a hierarchial directory structure. log into system as root and create a directory called project under the root directory of the system. create a directory call data under the root directory of the system. create a directory call data under the root directory of the system under the project directory create two more directories and call

Question 6 0 2 points Which ACL statement below, when applied to an interface, will permit traffic from hosts 1.2.3.1224 and 1.2.3.1324 and deny all other traffic a) ip accesslist 10 deny 1.2.3.13 0.0.0.1 b) ip accesslist 10 permit 1.2.3.13 0.0.0.255 c) ip accesslist 10 permit 1.2.3.11 0.0.0.1 d) ip accesslist 10 permit 1.2.3.12 0.0.0.1 e) ip

An 8x8 star coupler is used in optical systems to connect the signal from one computer to 10 terminals. If the power input of the star couple is 0.5 mW, what is the power at each output fiber?

Install the most recent KALI Linux.iso file on your personal laptop by downloading it using VMWare Workstation. Make a virtual machine (VM) with VMware Workstation, then install the Kali Linux distribution you downloaded earlier. Installing this distribution using the GUI option is advised. Launch the Kali virtual machine and respond to the

Your Assignment for this week: Assign IP Based on the class C and Class A network to the hosts and Router Interfaces Test Connectivity between all hosts Take screen shot from testing connectivityfrom PC0 to all other hosts Upload screen shots to this link

The __________ command can tell you your local host's IP address. arp ipconfig ping tracert

Define database, table, and system file. Answers must be complete and more than one line. Your answer must clearly define the differences. Please use the class registration system at DePaul in providing example

Methodology: Related to BGP protocol Describe the Architecture Describe the techniques BGP protocol methodology

these are my instructions: Click the Router0 to open the configuration window. Click the Config tab. As you make changes, notice the commands that show up in the Equivalent IOS Commands pane at the bottom of the window. 7. Click the FastEthernet0/0 interface. Make the following changes to the interface's configuration: Port Status: On IP Address:

Question 1 Write down the term described below. Q.1.1 Description (Marks 5) A term used for some businesses that construct distinct websites for each country where they conduct business. Determines the architecture of the global information system. Q.1.2 Q.1.3 An alternative for developing information system. Q.1.4 A core function of a global

If the link-local address is FE80::3:4, what will be the Solicited Nodes multicast group address?

Explain 5 advantages and 5 disavantages of Cloud Computing. Raise 5 critical issues with the cloud service provider before migrating your client server facilities to the cloud.

Enter a command that shows running configuration. Review the command's output carefully. What password(s) is scrambled by default? What encryption or hashing algorithm is use help please

2 CST.2004.3.3 3 Data Structures and Algorithms Compiler Construction Programming answers should be written in some notation approximating SML or OCaml. (a) Describe what is meant by tail recursion. [4 marks] What is the difference between fully associative, set associative and direct mapped lookup? [6 marks] (c) Why are TLBs always much smaller

In TCP, if Host A sends a message to Host B with the following information: Seq = 1201, ACK = 663, LEN = 1200 data = 'C'. What will the response from Host B be? A) Seq = 2400, ACK = 663, LEN = 0, data = 'C' B) Seq = 663, ACK = 2400, LEN = 0, data = 'C' C) Seq = 663, ACK = 2401, LEN = 0, data = 'C' D) Seq = 2401, ACK = 663, LEN = 0, data = 'C'

1. In what situations is topdown planning likely to be superior to bottomup strategy development 2. Why is it important for an organization to study and understand its external environment

What are the reasons that a potential employer or scholarship committee might ask you to submit your resume as a plain text file? Write a response below: What should you consider before using an online collaboration tool to work on a publication with another person? Write a response below:

Build the network according to the following requirements Tasks to complete: IPV4 Addressing: Use the table bellow for help 1. Divide the 192.168. X .0 /24 network into 2 equal sized subnets that supports a maximum 126 valid hosts each. 2. Use the first subnet for the SALES department network. 3. Split the second network to 2 equal subnets that

Why do you need a wi-fi analyzer? What authentication (e.g., WEP, WPA, WPA2) is used at your home? Is it safe? Why? How do you accommodate guest connection?

Because of fragmentation, an IP datagram can arrive in several pieces, not necessarily in the correct order. The IP entity at the receiving end system must accumulate these fragments until the original datagram is reconstituted. a. Consider that the IP entity creates a buffer for assembling the data field in the original datagram. As assembly

Define in detail the AWS Cloud Adoption Framework. What is the business reason to have a cloud adoption framework? Describe in detail a business scenario where an organization is in the process of adopting the cloud applying all the AWS CAF perspectives and how they complement and align with each other. Within that business scenario, list an

C program that takes one command line argument: the fully qualified name of a folder. The program creates two children processes. The first child process checks whether the input folder name already exists on the filesystem and communicates the outcome to the second child process via a pipe and exits. The second child process will then either

Protect Telnet/SSH access Enter script that accomplishes the following: Enters all VTY lines configuration mode Defines password password Tells IOS to use the locally defined password

Present a detailed business scenario on how the storage lifecycle policies are used effectively, in a minimum of 4 steps, by an organization. Describe in detail each step in the lifecycle and the benefit to the organization.

What are procurement contracts and give at least two examples. What is a contract, why is it important and what type of things should be included? This is a popular standard for mobile phones, used vastly across the world GSM GPS RFID X-Ray One of the main purposes of a seal is to detect entry to a container. True False A seal is not considered a

Explain three techniques you would use when planning an IT project to ensure innovation is maintained and innovative ideas are implemented.

1. What are the cyber vulnerabilities to the organization? 2.Because of these cyber vulnerabilities what type of cyber attacks caused to organization? 3.What is assessment in cybersecurity?(Introduction of assessment in cybersecurity) Note: Cyber vulnerabilities and cyber attacks are not the same.Some of the cyber vulnerabilities like

C 1. Youve been picking morels for years and see some real opportunity. Before you even start your business harvest, can you explain what you need to do to start your business in terms of fixed costs that you will be paying no matter how many mushrooms you harvest (4 points)

Network management functions comprise of three major groups such as network provisioning, network operations and network maintenance. Among the network operations cited in the hint below, which is/are pertinent in your opinion. Discuss the two important network operations according to your point of view and support your answer with one example for

Step 12: Find the splash screen settings. Navigate through each screen to find the splash screen settings. What splash screen settings are available?

The processing durations of packets by a node are independent and exponentially distributed with mean thirty ms. The first packet arrives at time t=0, the second packet arrives 5 ms later. What is the expected value of the time between the arrival of the first packet and the departure of the second packet? (Hint: Consider the possibilities: time

No. Apply a display filter... Time 1 0.000000 2 0.000260 3 3.879725 4 3.879865 5 3.879872 Source Destination 6 3.894402 7 3.894781 192.168.1.103 74.125.69.95 VMwarefb358c VMware2bc644 192.168.1.103 192.168.1.1 192.168.1.103 74.125.69.95 Protocol TCP Length Info 192.168.1.103 TCP Broadcast ARP VMwarefb358c ARP 60 192.168.1.1 is at 0050562bc644

Knowledge is a Terrible Thing to Waste This week is all about knowledge - from the information we turn into insights by applying new information, views, opinions, and interpretations, to the information systems that house and help us curate the knowledge that will provide insights to drive better business products and services. So what knowledge

Questions (41)(46) File distribution problem In the file distribution system, assume that there are one server and N peers. Denote the upload rate of the server by us, the upload rate of the ith peer by u, and the download rate of the ith peer by di. Also denote the size of the file to be distributed (in bits) by F. The distribution time is the

How does AWS defines designing for high availability? Describe at least three (3) methods in detail on how a Solutions Architect designs an architecture for high availability for a global system with millions of concurrent users. What value and benefits does designing for high availability brings to an organization? At the application level, what

Determine what are the Cybersecurity beliefs are for the three most important ways the security compliance officer supports the role of the Chief Information Officer (CIO) and describe why.

Suppose S is an nelement set, and let T be the collection of ordered subsets of S. Determine a formula for X(T).

Switch S2 Forwarding Table MAC Address 112233445566 Port ii. (4 points) What is the port associated with 112233445566 in the S3 Forwarding Table Switch S3 Forwarding Table MAC Address 112233445566 Port f. (5 points) Now you want Switch S2 to become the new Root Switch. What command could you type on the Switch S2 CLI to make this happen

Explain the difference between detail, summary, and exception reports. Give an example of each for Payroll System

Q.2.2 Discuss cybersquatting, also classify it in terms of legal and ethical. (10) Q.2.3 Describe green computing and provide three examples of Information technologies that can play a role in green computing implementation. (5) Question 3 Q.3.1 Briefly discuss the process of data encryption (Marks 15) (8)

Copy paste the links below and review the two data sets https://brightspace.indwes.edu/content/enforced/175112-4FA2022PSY-305-01C/Birthweight_reduced_kg_R.csv?_&d2lSessionVal=47txfTPDuzDY6rB0lSlAUc4Ft&ou=175112&_&d2lSessionVal=C3DbyDNjYfVh56aLMkWTjQfyu&_&d2lSessionVal=TTCyQtcHZS5PK6jFEFi6SNJg3

Enter script that accomplishes this on the router: Defines the enable password password Defines the enable secret password cisco Returns to the enable mode Returns to the user mode Attempts re-entering the enable mode using password, then using cisco Which password allowed access to the enable mode?

The dynamic nature of the information systems and security professions creates an environment in which there is a high degree of turnover in employment. Turnover among systems and security specialists can expose the organization to damaging losses of information.

This project focuses on techniques, Please Write a pen test report and capture the flag for the Metasploitable2 VM