Could You Pass This Basic CompTIA A+ Essentials IT Technician Test?

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    Which type of IP address never changes?

    • APIPA
    • Static
    • Dynamic
    • Public
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About This Quiz

This CompTIA A+ IT technician exam quiz has been made to see whether you are completely prepared for the real exam. This basic practice test will help you pass by familiarizing you with the material and the ensuring that you know the structure of the CompTIA A+ test. Read the questions carefully and answer. So, let's try out the quiz. All the best!

CompTIA A+ Quizzes & Trivia

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  • 2. 

    Which feature allows a mobile device such as cellphone to share an Internet connection with other wireless devices?

    • Tethering

    • ISDN

    • Rj-45 dongle

    • GPS

    Correct Answer
    A. Tethering
    Explanation
    Tethering is the feature that allows a mobile device, such as a cellphone, to share its internet connection with other wireless devices. This feature enables the mobile device to act as a hotspot, allowing other devices to connect to it and access the internet through its connection. ISDN, Rj-45 dongle, and GPS are not related to sharing an internet connection with other devices.

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  • 3. 

    Which tool is designed to locate hidden network cables?

    • Multimeter

    • Tone generator and probe

    • Loopback plug

    • Punch down tool

    Correct Answer
    A. Tone generator and probe
    Explanation
    A tone generator and probe is designed to locate hidden network cables. The tone generator sends a signal through the cable, which can be detected by the probe. By moving the probe along the cable, the user can trace the signal and locate the hidden cable. This tool is commonly used by network technicians to identify and troubleshoot network connectivity issues.

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  • 4. 

    Which network technology is used to share a single network address with multiple devices?

    • NAT

    • DNS

    • DHCP

    • DMZ

    Correct Answer
    A. NAT
    Explanation
    NAT (Network Address Translation) is a network technology used to share a single network address with multiple devices. It allows multiple devices on a local network to use the same public IP address when connecting to the internet. NAT translates the private IP addresses of the devices into a single public IP address, allowing them to communicate with external networks. This helps conserve IP addresses and provides an additional layer of security by hiding the individual device IP addresses from the internet.

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  • 5. 

    Which wireless standard provides the best data rate for wireless routers?

    • 802.11ac

    • 801.11g

    • 802.11n

    • 802.11 b

    Correct Answer
    A. 802.11ac
    Explanation
    802.11ac is the correct answer because it is the latest wireless standard and provides the highest data rate for wireless routers. It operates on the 5GHz frequency band and uses advanced technologies like multiple-input multiple-output (MIMO) and beamforming to achieve faster speeds and better overall performance compared to older standards like 802.11g, 802.11n, and 802.11b.

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  • 6. 

    Which is the least secure encryption type?

    • WPA

    • WEP

    • AES

    • TKIP

    Correct Answer
    A. WEP
    Explanation
    WEP (Wired Equivalent Privacy) is the least secure encryption type among the given options. It is an older encryption protocol that has several vulnerabilities, making it relatively easy for attackers to crack the encryption and gain unauthorized access to the network. WEP uses a 40- or 104-bit key, which can be easily brute-forced or exploited using various techniques. Therefore, WEP is not recommended for securing wireless networks and has been largely replaced by more secure encryption types such as WPA and AES.

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  • 7. 

    Which radio frequency is utilized by Bluetooth devices?

    • 2.4 GHz

    • 2.4 MHz

    • 5 MHz

    • 5 GHz

    Correct Answer
    A. 2.4 GHz
    Explanation
    Bluetooth devices utilize the radio frequency of 2.4 GHz. This frequency is a commonly used industrial, scientific, and medical (ISM) band, which is license-free and available for use worldwide. Bluetooth technology operates within this frequency range to enable wireless communication between devices such as smartphones, laptops, and headphones. The 2.4 GHz frequency allows for reliable and efficient data transmission and is widely adopted by Bluetooth devices for its compatibility and availability.

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  • 8. 

    Which port number must be enabled to allow a remote desktop connection when using a firewall?

    • 110

    • 443

    • 3389

    • 23

    Correct Answer
    A. 3389
    Explanation
    Port number 3389 must be enabled to allow a remote desktop connection when using a firewall. This is because port 3389 is the default port used by the Remote Desktop Protocol (RDP), which allows users to connect to and control a remote computer. By enabling this port, the firewall allows incoming traffic on port 3389, allowing the remote desktop connection to establish and function properly.

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  • 9. 

    Which type of cable is commonly used to connect to a satellite dish?

    • STP

    • Cat6

    • RG-6

    • T568A

    Correct Answer
    A. RG-6
    Explanation
    RG-6 is commonly used to connect to a satellite dish. RG-6 is a type of coaxial cable that is specifically designed for high-frequency signals, making it ideal for satellite television and other satellite communications. It has low signal loss and good shielding properties, which helps to minimize interference and deliver a strong and reliable signal from the satellite dish to the receiver.

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  • 10. 

    What is the maximum data rate for Cat5e?

    • 10 mb

    • 100 mb

    • 1 gb

    • 10 gb

    Correct Answer
    A. 1 gb
    Explanation
    The maximum data rate for Cat5e is 1 gb. Cat5e is a type of Ethernet cable that is commonly used for network connections. It is capable of transmitting data at speeds up to 1 gigabit per second (1 gb), making it suitable for high-speed internet connections and network applications that require fast data transfer.

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  • Current Version
  • Mar 21, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 26, 2008
    Quiz Created by
    Kamran01
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