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

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| By Kamran01

Kamran01

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Quizzes Created: 1 | Total Attempts: 1,847

Questions: 10 | Attempts: 1,847 | Updated: Mar 21, 2022

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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!

Questions and Answers

1.

Which type of cable is commonly used to connect to a satellite dish?
- A.
  
  STP
- B.
  
  Cat6
- C.
  
  RG-6
- D.
  
  T568A
Correct Answer
C. 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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2.

Which is the least secure encryption type?
- A.
  
  WPA
- B.
  
  WEP
- C.
  
  AES
- D.
  
  TKIP
Correct Answer
B. 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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3.

Which network technology is used to share a single network address with multiple devices?
- A.
  
  NAT
- B.
  
  DNS
- C.
  
  DHCP
- D.
  
  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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4.

Which tool is designed to locate hidden network cables?
- A.
  
  Multimeter
- B.
  
  Tone generator and probe
- C.
  
  Loopback plug
- D.
  
  Punch down tool
Correct Answer
B. 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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5.

Which feature allows a mobile device such as cellphone to share an Internet connection with other wireless devices?
- A.
  
  Tethering
- B.
  
  ISDN
- C.
  
  Rj-45 dongle
- D.
  
  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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6.

Which wireless standard provides the best data rate for wireless routers?
- A.
  
  802.11ac
- B.
  
  801.11g
- C.
  
  802.11n
- D.
  
  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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7.

Which type of IP address never changes?
- A.
  
  APIPA
- B.
  
  Static
- C.
  
  Dynamic
- D.
  
  Public
Correct Answer
B. Static

Explanation
A static IP address is an IP address that never changes. Unlike dynamic IP addresses which are assigned by the network's DHCP server and can change over time, a static IP address is manually configured and remains the same. This is useful for devices that require a consistent and predictable IP address, such as servers or network printers. With a static IP address, these devices can be easily accessed and identified on the network without the need to constantly update IP configurations.

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8.

Which radio frequency is utilized by Bluetooth devices?
- A.
  
  2.4 GHz
- B.
  
  2.4 MHz
- C.
  
  5 MHz
- D.
  
  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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9.

Which port number must be enabled to allow a remote desktop connection when using a firewall?
- A.
  
  110
- B.
  
  443
- C.
  
  3389
- D.
  
  23
Correct Answer
C. 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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10.

What is the maximum data rate for Cat5e?
- A.
  
  10 mb
- B.
  
  100 mb
- C.
  
  1 gb
- D.
  
  10 gb
Correct Answer
C. 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

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

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

Which is the least secure encryption type?

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

Which tool is designed to locate hidden network cables?

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

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

Which type of IP address never changes?

Which radio frequency is utilized by Bluetooth devices?

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

What is the maximum data rate for Cat5e?