[Jun 07, 2024] HPE3-U01 Test Prep Training Practice Exam Questions Practice Tests
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HP HPE3-U01 (Aruba Certified Network Technician) Certification Exam is a highly respected certification in the field of IT networking. It is a globally recognized certification that assesses an individual's skills and knowledge in the area of Aruba networking technologies. Aruba Certified Network Technician Exam certification is designed for individuals who want to prove their expertise in configuring, installing, and managing Aruba networking solutions.
NEW QUESTION # 24
Which configurable switchport feature makes collisions impossible to occur?
- A. half-duplex
- B. full-duplex
- C. auto speed
- D. VLANs
Answer: B
NEW QUESTION # 25
Refer to Exhibit.
The PCs are not able to successfully establish bidirectional communication. What change must you deploy to enable the communication between PC-1 and PC-2?
- A. change PC-1 's default gateway to 172.16.30.2
- B. change the Router's 1/1/1 interface IP to 172.16.30.254
- C. change PC-2's default gateway to 172.16.31.254
- D. change PC-1's IP address to 172.16.30.10
Answer: C
Explanation:
Explanation
The PCs are not able to successfully establish bidirectional communication because they are on different subnets and their default gateways are not configured correctly. The default gateway is the IP address of the router interface that connects to the same subnet as the PC. The default gateway allows the PC to send packets to destinations outside its own subnet. In this case, PC-1 and PC-2 are on the 172.16.30.0/24 and
172.16.31.0/24 subnets respectively, and the router interfaces are 172.16.30.254 and 172.16.31.254 respectively. Therefore, the correct default gateway for PC-1 is 172.16.30.254 and the correct default gateway for PC-2 is 172.16.31.254. Changing PC-2's default gateway to 172.16.31.254 will enable the communication between PC-1 and PC-212 References:
* Aruba Certified Network Technician (ACNT) - HPE Certification and Learning
* Aruba Certified Network Technician (ACNT) - Aruba Networks.
NEW QUESTION # 26
What is the binary equivalent of the decimal number of 233?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Explanation
The binary equivalent of the decimal number of 233 is 11101001. To find this, we can use the following method:
* Divide 233 by 2 and write down the remainder. The remainder is either 0 or 1.
* Divide the quotient by 2 and write down the new remainder.
* Repeat this process until the quotient is 0.
* Write the remainders from the bottom to the top. This is the binary equivalent.
For example:
Table
Quotient
Remainder
233 / 2
1
116 / 2
0
58 / 2
0
29 / 2
1
14 / 2
0
7 / 2
1
3 / 2
1
1 / 2
1
0 / 2
0
The remainders from the bottom to the top are 11101001, which is the binary equivalent of 233.
References:
1: Decimal to Binary Converter - RapidTables 2: How to Convert Decimal to Binary - wikiHow 3: Decimal to Binary Conversion Methods - GeeksforGeeks
NEW QUESTION # 27
Refer to Exhibit.
To which protocol does the header belong?
- A. User Datagram Protocol
- B. Internet Protocol
- C. 802.11 Wi-Fi
- D. Transmission Control Protocol
- E. Ethernet Protocol
Answer: B
NEW QUESTION # 28
Which statements are true about a router? (Select two.)
- A. They are considered layer four devices.
- B. They are considered layer three devices.
- C. They utilize protocols to learn all possible paths.
- D. They analyze source addresses to learn paths.
- E. They are considered layer two devices.
Answer: B,D
Explanation:
Explanation
A router is a device that operates at the network layer (layer three) of the OSI model and forwards packets between different networks based on their destination IP addresses1. A router also utilizes routing protocols, such as OSPF, RIP, or BGP, to learn all possible paths to a destination network and select the best one based on a metric2. Therefore, statements D and E are true about a router. Statements A, B, and C are false because they describe the functions of a switch, a bridge, and a firewall, respectively3. References: 1: Aruba Certified Network Technician (ACNT) Study Guide, page 292: Aruba Certified Network Technician (ACNT) Study Guide, page 313: Aruba Certified Network Technician (ACNT) Study Guide, page 28.
NEW QUESTION # 29
What is the decimal equivalent of the binary number 10001010?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Explanation
To convert a binary number to a decimal number, we need to follow these steps:
* Write down the binary number and assign a power of 2 to each digit, starting from the rightmost with
2^0.
* Convert each binary digit to its decimal equivalent by multiplying it with its power of 2.
* Add all the decimal values to get the decimal equivalent of the binary number.
Let's apply these steps to the binary number 10001010:
* 10001010 = 0 × 2^0 + 1 × 2^1 + 0 × 2^2 + 1 × 2^3 + 0 × 2^4 + 0 × 2^5 + 0 × 2^6 + 1 × 2^7
* 10001010 = 0 + 2 + 0 + 8 + 0 + 0 + 0 + 128
* 10001010 = 138 in decimal
Therefore, the decimal equivalent of the binary number 10001010 is 138 (option A).
References: The answer can be verified by using the following resources:
* Convert 10001010 from binary to decimal - Calculator Online
* How to Convert decimal number 10001010 in binary? - CoolConversion
* 10001010 to decimal - Calculatio
* Binary Code | Binary: 10001010 | Decimal: 138 | Bits: 8
NEW QUESTION # 30
To which wireless device category do a hardwire desktop PC belongs?
- A. highly mobile devices
- B. somewhat mobile devices
- C. stationary devices
- D. intermittent mobile devices
Answer: A
NEW QUESTION # 31
Which table must clients populate to remember the L2 addressing of their neighbors?
- A. Routing Table
- B. Ethernet Table
- C. MAC Table
- D. ARP Table
Answer: C
NEW QUESTION # 32
Which configurable switchport feature makes collisions impossible to occur?
- A. half-duplex
- B. full-duplex
- C. auto speed
- D. VLANs
Answer: B
Explanation:
Explanation
Full-duplex is a switchport feature that allows simultaneous transmission and reception of data on a link, without causing collisions. Collisions occur when two devices try to send data at the same time on a shared medium, such as a half-duplex link or a hub. Full-duplex eliminates the need for collision detection and avoidance mechanisms, such as CSMA/CD, and increases the effective bandwidth of the link. Full-duplex requires both ends of the link to support and be configured for full-duplex mode. If one end is configured for full-duplex and the other for half-duplex, the result is a duplex mismatch, which causes performance issues and errors. Auto speed is a switchport feature that allows the switch to negotiate the speed of the link with the connected device, such as 10 Mbps, 100 Mbps, or 1000 Mbps. VLANs are logical groups of devices that share the same broadcast domain, regardless of their physical location or connection. VLANs can reduce collisions by segmenting the network and limiting the scope of broadcasts. However, VLANs alone do not prevent collisions on a link, as they depend on the duplex mode of the switchport. Half-duplex is a switchport feature that allows only one direction of data transmission at a time on a link, either sending or receiving. Half-duplex requires collision detection and avoidance mechanisms, such as CSMA/CD, to coordinate the access to the shared medium. Half-duplex reduces the effective bandwidth of the link by half, as only one device can use the link at a time. Half-duplex can cause collisions if two devices try to send data at the same time on the same link. References:
* Aruba Certified Network Technician (ACNT) | HPE Aruba Networking
* Aruba Documentation Portal
* switch port collisions - Cisco Community
* Why is a switch port a collision domain? - Cisco Community
NEW QUESTION # 33
You are managing an ArubaOS-CX switch using the CLl. The current prompt reads "Switch(config-if>#".
Which single CLI command should you issue to move back to the Manager context?
- A. disable
- B. quit
- C. end
- D. exit
Answer: C
Explanation:
Explanation
The end command is used to exit from any configuration context and return to the manager context. The manager context is indicated by the # symbol at the end of the prompt. The manager context allows you to execute commands that do not require saving changes to the configuration, such as show or clear commands.
The disable command is used to exit from the manager context and return to the operator context, which is indicated by the > symbol. The quit and exit commands are used to exit from the current context and return to the parent context, such as from config-if to config. However, these commands do not move you directly to the manager context from any configuration context. Therefore, the correct answer is A.
end. References: Navigating to the manager context (#) - Aruba, Manager context (#) - Aruba
NEW QUESTION # 34
Which represents a valid Basic Service Set Identifier (BSSID)?
- A. a group of radios and all its WLAN clients
- B. the radio and all its associated clients
- C. a radio's MAC address assigned to a WLAN
- D. the name of the wireless network
Answer: D
NEW QUESTION # 35
How many addresses does the 255.255.252.0 provide?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 36
Which protocol performs name to IP resolution?
- A. FTP
- B. DNS
- C. LLDP
- D. DHCP
Answer: B
NEW QUESTION # 37
What is a true statement about wireless communications using Wi-Fi?
- A. Amplitude, phase, and frequency of radio waves are modulated to increase range
- B. Wireless communications have a minimum range of 10 meters (30 feet)
- C. Wireless communications have a maximum range of 10 meters (30 feet)
- D. Amplitude, phase, and frequency of radio waves are modulated to transmit data
Answer: D
Explanation:
Explanation
Wi-Fi is a wireless networking protocol that uses radio waves to communicate data over the air. Radio waves are electromagnetic waves that have different characteristics depending on their amplitude, phase, and frequency. Amplitude is the height of the wave, phase is the position of the wave relative to a reference point, and frequency is the number of cycles of the wave per second. To transmit data using Wi-Fi, these characteristics are modulated, or changed, according to a predefined scheme that encodes bits of information.
For example, a high amplitude wave can represent a 1 bit, and a low amplitude wave can represent a 0 bit.
Similarly, a positive phase shift can represent a 1 bit, and a negative phase shift can represent a 0 bit.
Likewise, a high frequency wave can represent a 1 bit, and a low frequency wave can represent a 0 bit. By modulating these characteristics, Wi-Fi can transmit data in binary form over the air. Different modulation schemes can achieve different data rates and reliability, depending on the channel conditions and interference.
Some common modulation schemes used by Wi-Fi are Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), Quadrature Amplitude Modulation (QAM), and Orthogonal Frequency Division Multiplexing (OFDM). References: Understanding Wi-Fi and How It Works, Introduction to Wi-Fi Wireless Networking, Wireless Communication - Overview, Wireless Communication | Set 1.
NEW QUESTION # 38
What is the binary equivalent of the Hexadecimal number 17?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 39
You are managing an ArubaOS-CX switch using the CLl. The current prompt reads "Switch(config-if>#".
Which single CLI command should you issue to move back to the Manager context?
- A. disable
- B. quit
- C. end
- D. exit
Answer: C
NEW QUESTION # 40
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HP HPE3-U01 certification is a valuable credential for individuals seeking to advance their careers in the networking field. Aruba Certified Network Technician Exam certification demonstrates the candidate's proficiency in using Aruba's networking technologies and solutions to design and deploy secure, high-performance networks. Additionally, this certification is recognized globally, making it an excellent addition to any IT professional's resume.
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