system administration and it infrastructure services quiz answers week 3

Software Services

1. What are some communication services you can utilize in your organization? Check all that apply.

  • Email
  • Chat applications
  • DNS
  • Phones

2. What's the difference between POP3 and IMAP? Check all that apply.

  • POP3 can only download email to one local device.
  • IMAP can only download email to one local device.
  • POP3 is used for sending emails
  • IMAP can download emails onto multiple devices.

3. True or false: Commercial-use and personal-use software licenses are essentially the same thing.

  • True
  • False

4. What are the differences between TLS and SSL? Check all that apply.

  • TLS is the successor to SSL.
  • TLS is more secure than SSL.
  • SSL is more secure than TLS.
  • SSL is the successor to TLS.

5. What is the name of a protocol that lets users share files over a network?

  • CUPS
  • Apache
  • DNS
  • NFS

6. Which two of these methods could you use to set up printing in an organization?

  • Setting up a print server
  • Using a Cloud service to set up printers
  • Using MySQL – MySQL is a common database. Setting up a print server and using Cloud services are methods to set up printing.
  • Using FAT32

7. When you have a web server, what service is used to enable HTTP requests to be processed?

  • The web server
  • A database server
  • An HTTP server
  • HTTP status codes

8. Fill in the blank: You can use a(n) ______________to store large amounts of customer data for a website.

  • DNS server
  • NFS server
  • HTTP server
  • database server

9. What is software that can modify, steal or delete data, and is a threat to the practice of BYOD (Bring Your Own Device)?

  • DLP software
  • MFA software
  • MDM software
  • Malware

10. HTTP status codes that begin with 4xx, like 404, indicate:

  • Redirections
  • Client-side errors
  • Server-side errors
  • Nowhere; these codes are successful

11. HTTP status codes that begin with 5xx, like 501, indicate:

  • Server-side errors
  • Client-side errors
  • Redirections
  • Nowhere; these codes are successful

12. What are tools that are built into browsers to help diagnose issues with the browsers?

  • Developer tools
  • Platform services
  • Database servers
  • HTTP web servers

13. What do HTTP status codes beginning with 2xx indicate?

  • Client-side errors
  • Redirection
  • Server-side errors
  • Successful request

14. Which of these leads to a 404 error?

  • You type in the human readable name for a site that no longer exists.
  • You type in the URL of a site instead of the human readable name (something ending with.com, .edu or any dot ending).
  • You type in a good address or readable name for a site, but the server holding the site is having problems.
  • You accidentally type in the wrong readable name, and you get to a different site than you wanted.

15. Which of the following are popular paid-for options for setting up IM services for your organization? Select all that apply.

  • IMAP
  • XMPP
  • Slack
  • HipChat

16. What type of DNS record is used for email servers?

  • AAAA
  • A
  • MX
  • CNAME

17. Which of the following statements is true about cloud software services? Select all that apply.

  • Software used as a business is usually different from software used as a consumer.
  • There are never limits on who can use cloud services software.
  • There are no stipulations (licensing agreements) on how cloud services software is used.
  • When setting up cloud services for your company, you might need to purchase added features for businesses and enterprises.

18. If you manage an organization's website on a server, how do you enable TLS on the server so that the site can use HTTPS?

  • Install a digital certificate of trust on your web server
  • Enable SSL version 2.0 on your web server
  • Type HTTPS in your site URL instead of just HTTP
  • Reinstall your server OS and agree to a special licensing agreement

19. If you don't want to set up your own dedicated hardware to use for network file storage, what are your other options?

  • Use a database server
  • Set up an HTTP server
  • Set up a NAS
  • Use a cloud file storage provider

20. Company A is setting up a network of mostly Windows machines. Which networking file system protocol would you recommend for maximum interoperability?

  • SMB
  • Fat32
  • Ext4
  • NFS

21. Which of these is a valid method of managing printer services in a commercial environment?

  • On Linux, use CUPS to manage printing services
  • On a Windows server, enable Print and Document Services, and add printers
  • Managing multiple printers separately
  • Using a cloud service provider to manage your printers through a web browser

22. Which statements are true about setting up a web server? Select all that apply.

  • Apache is the most used web server on the Web
  • Web content is stored on the server’s localhost
  • DNS needs to be set up to allow outside access to the server via the Internet
  • Web server setup does not require DNS

23. Which of these are examples of database software? Select all that apply.

  • MySQL
  • PostgreSQL
  • Apache
  • CUPS

24. HTTP status codes are codes or numbers that indicate some sort of error or info message that occurred when trying to access a web resource. When a website is having issues on the server side, what number does the HTTP status code start with?

  • 4xx
  • 2xx
  • 6xx
  • 5xx

25. Which of the following statements is true of XMPP? Select all that apply.

  • XMPP is a paid-for application for instant communication.
  • XMPP is an open source protocol used in instant messaging applications.
  • XMPP is used in Internet of Things applications.
  • XMPP is used in social networking services.

26. Which of these is NOT an email protocol?

  • SMTP
  • IMAP
  • IRC
  • POP3

27. Which of the following activities can users do on a properly configured file storage server?

  • Grant a digital certificate of trust
  • Modify shared files
  • Access a shared directory
  • Share files

28. You're the sole IT employee at your company. Most of the computers in your fleet are Windows machines. Your boss wants you to set up a network file storage. What file service should you use?

  • An NFS server
  • A Database server
  • Samba services
  • An HTTP server

29. Which printing language is device-dependent?

  • Ruby
  • A: PCL
  • PS
  • B: Python

30. An employee sets up Apache HTTP Server. They type 127.0.0.1 in the browser to check that the content is there. What is the next step in the setup process?

  • Nothing, the web server setup is complete.
  • Assign a static IP address
  • Set up DNS so the server can be accessed through the Internet
  • Install CUPS

31. Where does customer information, such as news articles, videos, large amounts of text, images, or audio files, generally get stored for web services?

  • On a database
  • On a file transfer protocol (FTP) server
  • On the local machine only
  • On a web server

32. HTTP status codes are codes or numbers that indicate some sort of error or info message that occurred when trying to access a web resource. When an HTTP request is successful, what number does the HTTP status code start with?

  • 2xx
  • 4xx
  • 6xx

33. Which email protocol is capable of sending emails?

  • POP3
  • MX DNS
  • SMTP
  • IMAP

34. When a person inside your company is licensed to use software, what usually happens to their license if they leave the company?

  • The license can be transferred to someone else in the company.
  • The person takes the license with them.
  • A new license must be purchased by your company.
  • The license expires.

35. Which of the following security protocols is used to format and transfer web content.

  • C: Hypertext Transfer Protocol Secure (HTTPS)
  • The Transport Layer Security protocol (TLS)
  • The Secure Socket Layer protocol (SSL)
  • The SMB protocol (Samba)

36. Company B is setting up commercial printing services on their network. Which of these are advantages of centrally managed commercial printers? Select all that apply.

  • Printers can be managed one at a time
  • Physically distant printers can be more easily managed
  • It provides a central interface to collect diagnostic reports, such as low toner levels
  • It allows the ability to deploy printer driver software so that your users can print from their computers

37. What is the main function of a database system?

  • Databases allow us to store, query, filter, and manage large amounts of data
  • D: Databases store and retrieve files over a network
  • A database is a physical server that stores web files and the HTTP server software
  • Databases are a way of securing communication between a web server and client

38. What’s the purpose of a file storage server?

  • To enable HTTPS
  • To centrally store files and manage access between files and groups
  • To manage files on a PC
  • To format disk partitions

39. You're the sole IT employee at your company. Your boss wants the company to migrate away from using the current, paid-for chat application and use something free. What options could you use? Select all that apply.

  • Emails
  • IRC
  • HTTP
  • Open IM Chat applications, like Pidgin or Adium

40. When installing software for your organization, who/what determines who can use the software and how to use, share, or modify the software?

  • A developer’s license agreement
  • International law
  • An IT support specialist
  • Company policy

41. When browsing a website, what is a quick way to know that the site is secure?

  • The URL begins with tls
  • The URL begins with http
  • The URL begins with https
  • The website has a banner that says it’s secure

42. Which statements are true about HTTPS and security protocols? Select all that apply.

  • HTTPS can be secured with Transport Layer Security protocol (TLS)
  • C: HTTPS is a secure version of the Hypertext Transfer Protocol.
  • B: HTTPS can be secured with Secure Socket Layer protocol (SSL)
  • D: SSL is more secure than TLS

43. HTTP status codes are codes or numbers that indicate some sort of error or info message that occurred when trying to access a web resource. When a website is having issues on the client side, what number does the HTTP status code start with?

  • 6xx
  • 2xx
  • 5xx
  • 4xx

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