Networking and Virtual Machines Quiz
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Questions and Answers

Do programs consume disk space while processes use memory?

  • TRUE (correct)
  • FALSE
  • Only processes use disk space
  • Programs and processes do not use any resources

    • What does it likely indicate if several users are getting similar IP addresses starting with 169.254?

  • The DHCP server is malfunctioning. (correct)
  • There are too many devices accessing the network simultaneously.
  • The bandwidth provided by the ISP is insufficient.
  • The DNS server settings require adjustment.

    • What ports do HTTP and HTTPs typically use?

  • TCP Ports 80 and 443 (correct)
  • UDP ports 80 and 443
  • TCP ports 20 and 21
  • TCP ports 22 and 23

    • If users cannot connect and receive an address starting with 169.254, which option is incorrect?

    <p>There is an outage with the DNS provider.</p> Signup and view all the answers

    In the case of network troubleshooting, which approach is least likely to resolve the issue?

    <p>Increasing the internet plan with the ISP.</p> Signup and view all the answers

    Which ports are typically used for HTTP and HTTPS?

    <p>TCP Ports 80 and 443</p> Signup and view all the answers

    What could likely be the problem if you are unable to resolve domain names?

    <p>Incorrect DNS settings</p> Signup and view all the answers

    If a user is reporting issues navigating the web, what is a common area to check first?

    <p>Physical connection integrity</p> Signup and view all the answers

    Which service uses TCP port 25?

    <p>SMTP (Simple Mail Transfer Protocol)</p> Signup and view all the answers

    What could indicate a problem with the internet service provider?

    <p>Site loading errors on multiple devices</p> Signup and view all the answers

    What is the primary purpose of checking if the network adapter is functioning and installed properly?

    <p>To check if the device can initiate or receive network traffic</p> Signup and view all the answers

    What can be concluded about the IP address 172.32.1.244?

    <p>It belongs to a private IP address range</p> Signup and view all the answers

    Which statement is true regarding programs and processes?

    <p>Programs take up disk space while processes take up memory</p> Signup and view all the answers

    Why is it important to check connectivity to the local DNS server?

    <p>To verify the ability to resolve domain names to IP addresses</p> Signup and view all the answers

    In networking, what is the primary role of a DHCP server?

    <p>To assign IP addresses dynamically to devices on the network</p> Signup and view all the answers

    What is the overall grade achieved by the student in the practice exam?

    <p>62%</p> Signup and view all the answers

    What does the completion percentage indicate?

    <p>The proportion of completed steps out of total steps</p> Signup and view all the answers

    Which of the following does NOT get graded in practice exams?

    <p>Multiple choice answers</p> Signup and view all the answers

    What command is commonly used to check connectivity during troubleshooting?

    <p>ping</p> Signup and view all the answers

    What is one of the main purposes of help desks?

    <p>To provide solutions and solve customer problems</p> Signup and view all the answers

    What is one of the main advantages of using Virtual Machines?

    <p>Running multiple operating systems on a single host.</p> Signup and view all the answers

    What does the CIDR notation '192.168.0.0/16' indicate?

    <p>Subnet mask of 255.255.0.0.</p> Signup and view all the answers

    Which of the following is NOT a common use case for Virtual Machines?

    <p>Utilizing single-threaded applications.</p> Signup and view all the answers

    The subnet mask 255.255.0.0 can be represented in CIDR notation as what?

    <p>192.168.0.0/16</p> Signup and view all the answers

    Which of these statements about Virtual Machines is true?

    <p>They simplify the process of managing multiple environments.</p> Signup and view all the answers

    Is 192.168.99.55 classified as a public IP address?

    <p>No, it is a private IP address.</p> Signup and view all the answers

    What purpose does the command ping 127.0.0.1 serve?

    <p>To ensure the network adapter is working correctly.</p> Signup and view all the answers

    If a user cannot access the Internet, which command might be used to troubleshoot the local system?

    <p>ping 127.0.0.1</p> Signup and view all the answers

    Which of the following statements about private IP addresses is correct?

    <p>They are not routable on the public Internet.</p> Signup and view all the answers

    What is likely true if a user receives an IP address starting with 169.254?

    <p>They have not been assigned a valid IP address.</p> Signup and view all the answers

    Is the IP address 172.32.1.244 classified as a public IP address?

    <p>No, it is a private IP address.</p> Signup and view all the answers

    What is the primary role of a DHCP server in a network?

    <p>To dynamically assign IP addresses to clients.</p> Signup and view all the answers

    What does it likely mean if multiple computers show an IP address starting with 169.254?

    <p>The DHCP server is malfunctioning or unreachable.</p> Signup and view all the answers

    In what way do programs and processes differ in terms of system resources?

    <p>Programs take up disk space while processes take up memory.</p> Signup and view all the answers

    If users are unable to connect to the internet, which of the following should not be the first troubleshooting step?

    <p>Restart the computer.</p> Signup and view all the answers

    Study Notes

    Network Troubleshooting

    • DHCP Server Issues: Several users experiencing similar IP addresses beginning with 169.254.3... is a strong indicator of a problem with the DHCP server.
    • Ping Command: ping 127.0.0.1 is used to check if the network adapter is working correctly and installed properly.
    • Private IP Address: 172.32.1.244 and 192.168.99.55 are both private IP addresses.

    Virtual Machines

    • Advantages: Virtual Machines (VMs) offer numerous benefits including:
      • Running multiple operating systems on a single host OS.
      • Cost savings through efficient hardware utilization.
      • Easy creation of test environments for projects and testing.

    Networking Concepts

    • Programs: Programs store their data on the hard drive, taking up disk space.
    • Processes: Processes are the running instances of programs and reside in memory.
    • CIDR Notation: The CIDR notation for the network ID 192.168.0.0 and subnet mask 255.255.0.0 is 192.168.0.0/16.

    Help Desks

    • Purpose: Help desks (or service desks) are crucial for providing solutions and resolving issues faced by customers.

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    Description

    Test your knowledge on network troubleshooting and virtual machines. This quiz covers DHCP issues, private IP addresses, and the advantages of using VMs. Dive into the essential networking concepts and improve your understanding of how networks operate.

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