Network Services

Question 1

Which of the benefits below make using an Infrastructure as a Service (IaaS) provider a better option than purchasing dedicated physical hardware? Check all that apply.

• Having low initial costs
• Using a server for a short amount of time
• Not needing to manage physical servers
• Having complete control over your physical infrastructure

Question 2

If you wanted to securely transfer files from your local machine to a web server, what file transfer protocol could you use?

• FTP
• TFTP
• SFTP
• NTP

Question 3

When you make a DNS query, where does your computer first check to find an IP address to name mapping?

• ISP DNS servers
• Your local machine
• Root servers
• Top-level domains

Question 4

Which are advantages of using a server operating system?

• More network connections
• More RAM and storage capacity
• Simplified user inteface
• Extra security features and networking services built right in

Question 5

In Linux, the most popular remote access tool is OpenSSH. Which software performs the same remote command line (CLI) access from a Windows machine? Check all that apply.

• RDP
• PuTTY
• WinRM
• Microsoft Azure

Question 6

What are some reasons DNS is necessary? Check all that apply.

• It makes Internet website IP addresses accessible with human readable domain names.
• It simplifies remote access.
• It improves network throughput.
• It maps local addresses to simple names without editing hosts files.

Question 7

What does PXE Boot stand for?

• Pay-to-Boot Extortion
• Pre Boot Execution
• Past Boot Examination
• Post Boot Extraction

Question 8

A sysadmin is looking to use Pre Boot Execution over a network by keeping operating system installation files on a server. Which type of server is this most likely to be?

• DNS server
• TFTP server
• FTP server
• SFTP server