Network Plus Essentials Certification Quiz!

20 Questions | Total Attempts: 31

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A Plus Essential Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following can be configured to restrict specific ports and IP addressees from accessing the internal network?
    • A. 

      Layer 2 Switch

    • B. 

      Firewall

    • C. 

      IIS Server

    • D. 

      Port Scanner

  • 2. 
    Which of the following ports is the default telnet port?
    • A. 

      20

    • B. 

      21

    • C. 

      22

    • D. 

      23

  • 3. 
    A bridge handles frames at which of the following layers of the OSI model?
    • A. 

      Network

    • B. 

      Session

    • C. 

      Transport

    • D. 

      Data Link

  • 4. 
    Zach, a technician; is checking newly installed CAT 5e cabling, and suspects that some of the ends were not properly terminated. Which of the following tools will verify this?
    • A. 

      Cable tester

    • B. 

      Toner tester

    • C. 

      OTDR

    • D. 

      Loop back plug

  • 5. 
    Which of the following BEST describes a switch port?
    • A. 

      Broadcast domain

    • B. 

      Distance vector

    • C. 

      Link state

    • D. 

      Collision domain

  • 6. 
    Which wireless technology permits communication to run at 2.4 GHz and up to 54Mbps?
    • A. 

      802.11b

    • B. 

      802.11a

    • C. 

      802.11g

    • D. 

      802.11n

  • 7. 
    What does the 10 stands for in 10Base-T?
    • A. 

      Delay

    • B. 

      Speed

    • C. 

      Resistance

    • D. 

      Length

  • 8. 
    A rollover cable will be used in which of the following situations?
    • A. 

      Connecting PC to a printer

    • B. 

      Connecting two switches back-to-back

    • C. 

      Connecting PC to a console port

    • D. 

      Connecting PC to a switch

  • 9. 
    Which media type is NOT susceptible to electromagnetic interference (EMI)?
    • A. 

      UTP cable

    • B. 

      STP cable

    • C. 

      Coaxial cable

    • D. 

      Fiber optic cable

  • 10. 
    In telecommunication, connectionless describes communication between two network endpoints in which a message can be sent from one endpoint to another without prior arrangement. Which of the following is considered a connectionless-oriented protocol?
    • A. 

      IP

    • B. 

      TCP

    • C. 

      SPX

    • D. 

      UDP

  • 11. 
    Which of the following is the usual number of bits for the host identifier part of an IPv6 address?
    • A. 

      16

    • B. 

      64

    • C. 

      48

    • D. 

      32

  • 12. 
    Which of the following is the broadcast address for a network defined as 192.168.0.0/24?
    • A. 

      192.168.0.255

    • B. 

      192.168.0.1

    • C. 

      192.168.0.0

    • D. 

      192.168.0.253

  • 13. 
    Lisa, a network technician, needs to introduce a few more cables to the existing patch panel. Which of the following tools would she used?
    • A. 

      OTDR

    • B. 

      Multimeter

    • C. 

      Punch down tool

    • D. 

      Temperature monitor

  • 14. 
    Management has decided that they want a high level of security. They do not want Internet request coming directly from users. Which of the following is the BEST recommendation?
    • A. 

      Content filter

    • B. 

      Proxy server

    • C. 

      Layer 3 switch

    • D. 

      Firewall

  • 15. 
    A small office has asked to have six PCs networked together by Jeff, a consultant. The office Users want file sharing capability with no access to internet. Which of the following items will Jeff need?
    • A. 

      Network Bridge

    • B. 

      Switch

    • C. 

      RG-59 patch cabling

    • D. 

      RJ 11 connector

  • 16. 
    Which of the following is the correct representation of an IPv6 address?
    • A. 

      2001::4860:800f::

    • B. 

      0:0:0:0:0;0|:1

    • C. 

      1:2:4860:8f

    • D. 

      2001:4860::

  • 17. 
    Which of the following is a reason to use dynamic DNS?
    • A. 

      The host IP address is not listed in the firewall?

    • B. 

      The host IP address is assigned by DHCP.

    • C. 

      Static routes cannot be used on the host network.

    • D. 

      A third-party certificate is being used?

  • 18. 
    Which TCP/IP model layer does the OSI model layer named 'session' respond to?
    • A. 

      Application

    • B. 

      Presentation

    • C. 

      Internet

    • D. 

      Transport

  • 19. 
    John, a network administrator, is checking work on some new CAT5 LAN  network cables installed at an organization. Multiples lines are receiving poor signals, and Zach finds the lengths of the runs to be sometimes over 350 feet (107 meters). Which of the following is the cause of the issue?
    • A. 

      CAT5 cable runs over 330 feet (100 meters) requires STP

    • B. 

      CAT5 cabling is limited to single-run lines of 330 feet

    • C. 

      CAT5 cabling is limited to single-run lines of 250 feet

    • D. 

      CAT5 cabling needs to have terminators installed on each

  • 20. 
    Gideon, a network consultant, noticed that a new installation for a network backbone looked like this: Which of the following is the BEST configuration for a properly setup environment?
    • A. 

      Switch->ISP->Firewall->PC

    • B. 

      ISP->Firewall->Switch->PC

    • C. 

      Firewall->ISP->PC->Switch

    • D. 

      ISP->PC->Firewall->Switch

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