system administration and it infrastructure services quiz answers week 2
Intro to IT Infrastructure Services
1. Which of the following are considered part of the physical infrastructure service? Check all that apply.
- Laptop
- Rack server
- Desktop
- Operating systems
2. Which of the following are considered a network service? Check all that apply.
- DNS
- Email server
- Blade server
- Wireless Internet
3. Amazon Web Services, Linode, Windows Azure, and Google Compute Engine are examples of ________.
- NaaS providers
- Shopping places
- Computer brands
- IaaS Providers
4. Which of the following are considered a software service? Check all that apply.
- Wireless Internet
- Word processors
- Email applications
- Chat applications
5. What type of service is an all-in-one solution to building and deploying a web application?
- PaaS
- NaaS
- SaaS
- IaaS
6. Which one of the following operating systems would be best suited for running a server?
- Ubuntu Server
- MacOS
- Windows 10
- Ubuntu
7. Which of the following are benefits of virtualizing servers? Check all that apply.
- Easier maintenance.
- Low RAM memory requirement.
- Better performance than a dedicated server.
- Better hardware resource utilization.
8. Which of the following are ways that can be used to run services?
- Virtualized instance on a server.
- Dedicated hardware
- VPN
- SSH
9. Which of the following is needed in order to use SSH to connect to a machine? Check all that apply.
- A VPN connection.
- An SSH server on the machine you want to connect to.
- A virtual server to connect to.
- An SSH client on the machine from which the connection begins.
10. Which of the following are samples of remote access tools? Select all that apply.
- RAM
- RDP
- OpenSSH
- WinRM
11. What is one benefit of using TFTP over SFTP?
- Added security
- Simpler transfer without authentication
- The encrypted transfer of data
- The user authentication requirement
12. What service can you use to keep time synchronized across the machines on your fleet?
- FTP
- Kerberos
- NTP
- SFTP
13. What features does a proxy offer? Check all that apply.
- Network privacy
- Network traffic monitoring
- Internet traffic filtering
- The ability for employees to share information more easily
14. The ability for employees to share information more easily
- DHCP
- DNS
- NTP
- SFTP
15. If you don't want to use static IP addresses, but want to dynamically assign IP addresses to computers instead, what network protocol can you use?
- TFTP
- Kerberos
- NTP
- DHCP
28. Which of the following is a potential negative (con) of virtualization compared to using dedicated hardware?
- Maintenance
- Cost
- Points of failure
- Performance
29. A sysadmin wants to use preboot execution over a network. Which type of server will the sysadmin likely use to administer operating system installation files?
- A DNS server
- An FTP server
- An SFTP server
- A TFTP server
30. PuTTY in Windows is similar to which Linux tool?
- CLI
- SSH
- RDP
- Virtualization
31. Which of the following are reasons for using DNS? Select all that apply.
- It maps names humans can understand to IP addresses.
- It maps local addresses to simple names without editing hosts files.
- It lets users remotely operate computers from miles away.
- It improves network throughput.
32. What does DHCP do?
- DHCP sets up an authoritative DNS server a network.
- DHCP assigns IP addresses to computers on a network.
- DHCP maps domain names to IP addresses.
- DHCP keeps the clock synchronized on machines connected to a network.
33. You are the sole IT professional at your company and you need to know how many users or computers are in your organization. Which of the following services helps manage users in your company?
- Physical infrastructure services
- Platform services
- Network services
- Directory services
34. Which of the following are typically included with server operating systems to help optimize server functionality? Select all that apply.
- Allow more network connections
- Added security
- More RAM capacity
- A simplified user interface
35. What is a type of tool a client could use to access a server and transfer files?
- A DNS server
- IaaS
- An FTP Client
- A server operating system
36. You are setting up a website for your company. You have purchased a domain name for the site and have decided to host your web content yourself. What might you need to set up to point your new domain name to where web content is located?
- An authoritative DNS server
- A TFTP server
- A VNC client
- A proxy server
37. A website is inaccessible via its URL. You've pinged the site and see no problem there. What is the next troubleshooting step?
- Ping localhost
- Use nslookup in the terminal to rule out DNS issues
- Turn the device off and on again
- Access host file and check for inconsistencies
38. Which service gives access to pre-configured virtual machines that can be used like physical servers?
- DaaS
- IaaS
- SaaS
- PaaS
39. What happens when you virtualize a server?
- It provides access to software maintained on the Cloud.
- It provides remote access to other computers in another part of the world.
- It puts many instances on a single physical server.
- It keeps all the machines on a network synchronized.
40. Which of the following best describes an intranet?
- An intranet is a type of file transfer protocol.
- An intranet is used to host a company’s internal websites and resources.
- An intranet is a service that provides access to pre-configured virtual machines for a fee.
- An intranet is a single server with many virtual instances on it.
41. A network technician is unable to resolve a domain name. What is the first step the technician should take to troubleshoot the problem?
- Verify that the DNS server is giving a correct address
- Check that the network connection is working
- Reconfigure the local host file
- Restart the browser
