CCNA Networking Test Quiz: MCQ!

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CCNA Networking Test Quiz: MCQ! - Quiz

CCNA is the most challenging exam related to the Cisco Certified Network Associate Routing & Switching certification. This exam tests a student's knowledge and skills required to install, operate, and troubleshoot an enterprise's branch network. This quiz has been created to test your networking knowledge.


Questions and Answers
  • 1. 

    Which of the following is the most critical component of good network administration?

    • A.

      Security

    • B.

      Performance

    • C.

      Documentation

    • D.

      Backbone

    Correct Answer
    C. Documentation
    Explanation
    Documentation is the most critical component of good network administration because it provides a record of the network's configuration, procedures, and troubleshooting steps. It ensures that network administrators have access to accurate and up-to-date information, which is essential for maintaining and troubleshooting the network effectively. Documentation also aids in knowledge transfer, allowing new administrators to understand the network's setup and operations. Without proper documentation, network administration becomes inefficient, prone to errors, and difficult to manage.

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  • 2. 

    What is the least implemented component of network administration?

    • A.

      Security

    • B.

      Performance

    • C.

      Documentation

    • D.

      Baselining

    Correct Answer
    C. Documentation
    Explanation
    Documentation is the least implemented component of network administration because it is often overlooked or neglected in favor of other tasks. Network administrators may prioritize security and performance over documenting the network infrastructure and its configurations. However, documentation is crucial for troubleshooting, maintenance, and future planning, as it provides a reference for understanding the network's setup and allows for efficient management and troubleshooting. Therefore, lacking proper documentation can lead to difficulties in managing and maintaining the network effectively.

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  • 3. 

    Which of the following is included in MDF and IDF documentation?

    • A.

      POP specifications

    • B.

      Rack mount locations

    • C.

      Name of administrator

    • D.

      Server cost

    Correct Answer
    B. Rack mount locations
    Explanation
    MDF (Main Distribution Frame) and IDF (Intermediate Distribution Frame) are components of a network infrastructure. MDF is the central point where all the network cables from different locations are terminated, while IDF is a smaller distribution point located closer to end devices. The documentation for MDF and IDF typically includes information about the rack mount locations, which specifies where the networking equipment should be installed. This information helps in organizing and managing the network infrastructure effectively. The other options, such as POP specifications, name of administrator, and server cost, are not directly related to MDF and IDF documentation.

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  • 4. 

    Which of the following is used to keep a list of equipment repairs?

    • A.

      Security record

    • B.

      Software record

    • C.

      Maintenance record

    • D.

      Policy record

    Correct Answer
    C. Maintenance record
    Explanation
    A maintenance record is used to keep a list of equipment repairs. This record helps in tracking and documenting the maintenance activities performed on the equipment, including repairs, replacements, and inspections. It provides valuable information about the history of the equipment, such as when it was last serviced, what repairs were done, and any recurring issues. This record is essential for ensuring the proper functioning and longevity of the equipment, as well as for budgeting and planning future maintenance activities.

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  • 5. 

    Which of the following would NOT be found on security documentation?

    • A.

      User rights

    • B.

      Firewall support

    • C.

      Software listings

    • D.

      Physical access to the network

    Correct Answer
    C. Software listings
    Explanation
    Software listings would not typically be found on security documentation because they pertain more to inventory or system management documentation rather than security. Security documentation typically focuses on policies, procedures, access controls, user rights, network configurations, and physical security measures. Software listings, on the other hand, are usually found in software inventory or licensing documentation, which may be related to system management but not specifically to security.

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  • 6. 

    What criteria should be used to select network passwords?

    • A.

      Specific family names

    • B.

      Birth dates

    • C.

      Mother's maiden name

    • D.

      Network policy

    Correct Answer
    D. Network policy
    Explanation
    The correct answer is "Network policy." When selecting network passwords, it is important to follow the guidelines and rules set by the network policy. Network policies usually provide specific criteria and requirements for passwords, such as minimum length, the use of special characters, and regular password changes. By adhering to the network policy, users can ensure that their passwords are strong and secure, reducing the risk of unauthorized access to the network.

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  • 7. 

    What is the reason magnetic tape is used to backup data?

    • A.

      Speed

    • B.

      Easily locate data

    • C.

      Cost

    • D.

      Tape never needs replacing

    Correct Answer
    C. Cost
    Explanation
    Magnetic tape is used to backup data primarily because of its cost-effectiveness. Compared to other storage mediums like hard drives or solid-state drives, magnetic tape is relatively inexpensive. It allows for large amounts of data to be stored at a lower cost per gigabyte. While tape may not offer the same speed or ease of data location as other options, its cost advantage makes it a popular choice for long-term data backup and archival purposes. Additionally, the answer mentions that tape never needs replacing, which further adds to its cost-effectiveness.

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  • 8. 

    Which type of backup stores all files that have been created and modified since the last full backup?

    • A.

      Incremental

    • B.

      Hierarchical

    • C.

      Copy

    • D.

      Daily

    Correct Answer
    A. Incremental
    Explanation
    Incremental backup is the type of backup that stores all files that have been created and modified since the last full backup. This means that only the changes made since the last backup are saved, making it a more efficient and time-saving backup method compared to other types.

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  • 9. 

    Host A receives a frame and discards it after determining that it is corrupt. At which OSI layer are frames checked for errors?

    • A.

      Application

    • B.

      Network

    • C.

      Physical

    • D.

      Data-link

    • E.

      FCS or CRC

    Correct Answer
    D. Data-link
    Explanation
    Frames are checked for errors at the data-link layer of the OSI model. This layer is responsible for the reliable transmission of data between two directly connected nodes. It ensures error-free transmission by performing error detection and correction using techniques like FCS (Frame Check Sequence) or CRC (Cyclic Redundancy Check). By discarding the corrupt frame, Host A is performing error checking at the data-link layer.

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  • 10. 

    Identify which of the services below use both TCP and UDP ports:

    • A.

      FTP

    • B.

      TFTP

    • C.

      DNS

    • D.

      SSH

    • E.

      TELNET

    Correct Answer
    C. DNS
    Explanation
    DNS (Domain Name System) uses both TCP and UDP ports. DNS primarily uses UDP for most of its queries because it is faster and more efficient for simple requests. However, TCP is used for larger queries or when the response data exceeds the maximum size limit for UDP. TCP provides reliable and ordered delivery of data, which is necessary for more complex DNS queries. Therefore, DNS is the service that uses both TCP and UDP ports.

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  • Current Version
  • Mar 18, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 11, 2008
    Quiz Created by
    Archz
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