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- Comouter network : detailed description of the tasks 1-Host an appropriate application layer service (e.g. E-mail, Web etc.) for thecompany with the server in the HQ that can be accessed by clients in boththe locations, with appropriate DNS. 2 -Set up a firewall on the Server in the HQ to secure and block unauthorizedaccess from intruders using Cisco website write a Abstract Referencing based on CoE Harvard style9. A web page consists of a 1 kbytes HTML page containing 4 PNG images. Where and one of the PNG images has a size of 50 kbytes. The website must be downloaded to a web browser over a "persistent" serial connection (not multiple parallel connections). RTT is 10 ms and the bandwidth is 1 Mbps. Estimate how long it will take before the entire web page is included the images downloaded to the browser?12- IP address resolution works by retrieving the domain name based on a given IP address.TrueFalse 13- XHTML 1.0 Transitional is a very strict version of HTML, allowing web designers to build standardized websites.TrueFalse 14- All domain names must include both a TLD and a ccTLD.TrueFalse 15- dynamic website content is created based on a script developed by the programmer but the content must be equivalent for all the site users.TrueFalse 16- IPv6 allows far more hosts to be assigned with unique addresses compared to IPv4.TrueFalse
- Moses, an amateur photographer, drops some photos into a folder on OneDrive and sends the link to this folder to his friend Ezra. Ezra inadvertently sends this link to a group of people. One of her friends from that group takes these images, posts them on social media, and takes the credit for these�photos. Moses comes across these posts and is taken aback to see his photos online under a stranger's account. He assumed that only Ezra had access to these photos.What should Moses have done to decrease the risk of his photos being stolen? a Moses should have placed these photos in a zipped or compressed folder. b Moses should have indicated in the message to Ezra that these photos were not meant to be shared with others. c Moses should have shared this with Ezra by specifying Ezra's email address associated with a Microsoft account. d Moses should have sent links to individual photos instead of the entire folder.Question 10 When pinging the domain berlin.de from GENLAB-DESKTOP (at virtualstudent.nvcc.eduLinks to an external site.), the average round trip time is _____ milli-seconds. Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line . .Question 9 Saved Hosting a disaster recovery (DR) site on Microsoft® Azure is an example of which National Institute of Standards and Technology (NIST) type of cloud service? Question 9 options: a) IaaS b) DRaaS C-PaaS D- SaaS Question 10 Saved Which record type is used for an IPv4 address mapping to FQDN for DNS queries? Question 10 options: a) The A record b) The CName record c) The PTR record d) The AAAA record
- 12.) You have connected a cable Internet connection as shown in the exhibit. At what location should you place a filter? A.) “A” only B.) “A” and “B” C.) “B” only D.) “A” and “C” E.) “C” only F.) No filters are requiredComputer Science Visit http://centralops.net/co/domaindossier.aspx (Links to an external site.) and enter a domain name (e.g., mit.edu) in the “domain or IP address” text box. Check the “domain whois record” check box and click the Go button. What information is displayed? What other footprinting tools are out there?1. What is the purpose and function of Google analytics?. 2. What is the purpose of performing ongoing website traffic analysis and web trending analysis on production web servers and websites? 3. How can tcpdump be used as a critical web server tool for conducting ongoing traffic monitoring and traffic analysis? 4. According to the Live HTTP Headers add-on, what is the user-agent used by the client browser? 5. Refer to the yourname_S1_SmithyHeader.txt file. What information can you gather just from the HTTP headers? 6. How can Webalizer aid in the interpretation of web log files? 7. How do tools such as Webtrends work to track website traffic?
- A performance issue that causes a web page to load slowly in one browser might be detected using Smart Detection.Affirmative action required if this is the case. Otherwise, no.Your e-commerce website needs performance optimization.Suggest what you will do with respect to the following facts: (i) There are 300 Http requests outgoing to (ii) 3 Content Delivery Networks (CDN) at Singapore, UK and USA and also to your-own-domain.com at Dhaka. (iii) Your customers are located mostly in South East Asia, Middle East and in Brazil. (iv) Your apache serverneeds large memory. Page loads seek too many TCP connectionsand too many DNS look ups and SSL negotiations (v) 90% all httprequests get product images.Design a social network model. We will have users with a mailboxand connections to other users (friends). Users might also post messages orimages/videos that can be viewed by other users.• Each user will have a unique ID. Additionally, the first and last names, email address,age, gender will need to be stored.• Each user will be connected to zero or more friends (who are also users).• Users send message to other users. Date and content of each message will be stored.• Users can post zero or more items.• Each item has a unique postId. Time and location of the item will be stored.• Every item belongs to only one user.• An item can be a text or a photo/video. Content of a text, and caption and link of aphoto/video will be stored.Draw an ER diagram for the social network system.