HP HPE3-U01 Dumps - 100% Cover Real Exam Questions (Updated 62 Questions)
Real HPE3-U01 dumps - Real HP dumps PDF
HPE3-U01 exam is an online, proctored exam that consists of 60 multiple-choice questions. HPE3-U01 exam has a duration of 1 hour and 30 minutes and is available in English, Japanese, and Simplified Chinese. The passing score for the exam is 70%, and the exam fee is $200.00 USD. Candidates who pass the HPE3-U01 exam will receive the Aruba Certified Network Technician (ACNT) certification, which demonstrates their proficiency in Aruba networking technologies.
NEW QUESTION # 35
What are the differences between Local-based and Server-based management? (Select two.)
- A. server-based management cannot talk to the device's control plane, local-based can
- B. local-based management can use the device's console port, server-based cannot
- C. server-based management can monitor multiple devices at once, local-based cannot
- D. in local-based, the managed device is a client, while in server-based it is a server
- E. local-based management requires an on-premises network management appliance
Answer: B,C
Explanation:
Explanation
Local-based management refers to managing a network device directly from the device itself, using tools such as console port, web interface, or command-line interface. Server-based management refers to managing a network device remotely from a centralized server, using tools such as Windows Admin Center, System Center, or Azure Arc123. The differences between these two types of management are:
* Local-based management can use the device's console port, which is a physical connection that allows access to the device even when the network is down or the device is not configured. Server-based management cannot use the console port, as it relies on network connectivity and protocols4.
* Server-based management can monitor multiple devices at once, using a single dashboard or interface that shows the status, performance, and configuration of all the devices in the network. Local-based management can only monitor one device at a time, using the device's own tools123.
References:
1: Cloud vs Server: Learn the Key Differences and Benefits - Parallels 2: Windows Server management overview | Microsoft Learn 4: 5 Benefits of Server-Based Local Access Networks for Small ... - Versatech 3:
What is Windows Admin Center | Microsoft Learn
NEW QUESTION # 36
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 # 37
Which protocol provides frame delivery using physical addressing and error detection using frame check sequence?
- A. User Datagram Protocol
- B. TCP/IP
- C. Ethernet
- D. Link Layer Discovery Protocol
Answer: C
Explanation:
Explanation
Ethernet is a protocol that provides frame delivery using physical addressing and error detection using frame check sequence. Ethernet frames have a source and destination MAC address that identify the physical devices on the network. Ethernet frames also have a frame check sequence (FCS) field that uses a cyclic redundancy check (CRC) to detect errors in the frame. If the receiver calculates a different FCS value than the one in the frame, it discards the frame and may request a retransmission. Link Layer DiscoveryProtocol (LLDP) is a protocol that allows devices to discover and advertise information about themselves and their neighbors.
TCP/IP is a suite of protocols that operate at the network and transport layers, not the data link layer. User Datagram Protocol (UDP) is a transport layer protocol that provides connectionless and unreliable data delivery, without error detection or correction. References: Ethernet Frame Format - Aruba, Frame check sequence - Wikipedia
NEW QUESTION # 38
How many addresses does the 255.255.252.0 provide?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Explanation
The subnet mask 255.255.252.0 is equivalent to the CIDR notation /22, which means that 22 bits are used for the network prefix and 10 bits are used for the host part. To calculate the number of addresses that this subnet mask provides, we can use the formula2n2, wherenis the number of bits in the host part. In this case,n=10, so the number of addresses is2102=10242=1022. The subtraction of 2 is because the first and the last addresses are reserved for the network identifier and the broadcast address, respectively. Therefore, the subnet mask
255.255.252.0 provides 1022 usable addresses for hosts, plus 2 reserved addresses, for a total of 1024 addresses.References:IP Subnet Calculator,How many host addresses are available on the network ... - ITExamAnswers
NEW QUESTION # 39
Which device provides high ethernet port density for connecting wired clients such as computers, IP phones, and printers? (Select two.)
- A. Switches
- B. Multilayer Switches
- C. Router
- D. Access Point
- E. Wireless Router
Answer: A,B
Explanation:
Explanation
A device that provides high ethernet port density for connecting wired clients is a switch. A switch is a device that operates at the data link layer (layer two) of the OSI model and forwards frames between devices on the same network based on their MAC addresses1. A switch can have multiple ports, ranging from 8 to 48 or more, that can connect to various wired devices, such as computers, IP phones, and printers2. A multilayer switch is a switch that can also operate at the network layer (layer three) of the OSI model and perform routing functions based on IP addresses3. Therefore, statements D and E are correct. Statements A, B, and C are incorrect because they describe devices that provide wireless connectivity, not wired connectivity. A wireless router is a device that combines the functions of a router and an access point and provides wireless access to the internet. 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 addresses. An access point is a device that connects wireless devices to a wired network and acts as a bridge between the two. References: 1: Aruba Certified Network Technician (ACNT) Study Guide, page 282: Aruba Certified Network Technician (ACNT) Study Guide, page 303: Aruba Certified Network Technician (ACNT) Study Guide, page 32. : Aruba Certified Network Technician (ACNT) Study Guide, page 29. : Aruba Certified Network Technician (ACNT) Study Guide, page 29. : Aruba Certified Network Technician (ACNT) Study Guide, page 94.
NEW QUESTION # 40
Why do clients run the Address Resolution Protocol (ARP)?
- A. To discover the destination address of the Layer 3 header of IP packets.
- B. To discover the source address of the Layer 3 header of IP packets.
- C. To discover the destination address of the Layer z header that encapsulates IP packets.
- D. To discover the source address of the Layer z header that encapsulates IP packets.
Answer: C
Explanation:
Explanation
ARP is a protocol that maps an IP address to a MAC address, which is the physical address of a device on a network. ARP is necessary because the software address (IP address) of the host or computer connected to the network needs to be translated to a hardware address (MAC address). Without ARP, a host would not be able to figure out the hardware address of another host. ARP works by sending a broadcast message to all devices on the network, asking for the MAC address of the device that has a specific IP address. The device that has that IP address replies with its MAC address, and the sender stores this information in its ARP cache for future use. The sender then uses the MAC address as the destination address of the Layer 2 header that encapsulates the IP packet. The Layer 2 header is also known as the data link layer header, which is responsible for delivering the packet to the correct device on the same network. The Layer 3 header is also known as the network layer header, which is responsible for routing the packet to the correct network. Therefore, the correct answer is C, because ARP is used to discover the destination address of the Layer 2 header that encapsulates IP packets1234 References: What Is Address Resolution Protocol (ARP)? - Fortinet, Address Resolution Protocol - Wikipedia, ARP (Address Resolution Protocol) explained - Study-CCNA, Aruba Certified Network Technician Exam HPE3-U01 Actual Questions
NEW QUESTION # 41
Which represents a valid Basic Service Set Identifier (BSSID)?
- A. the name of the wireless network
- B. the radio and all its associated clients
- C. a group of radios and all its WLAN clients
- D. a radio's MAC address assigned to a WLAN
Answer: D
Explanation:
Explanation
A BSSID is a 48-bit label that identifies a basic service set (BSS) within a wireless network. A BSS is a subgroup of devices that share physical-layer medium access characteristics, such as radio frequency, modulation scheme, and security settings. A BSSID is usually the MAC address of the access point (AP) that creates the BSS, or a randomly generated value in an ad hoc network. A BSSID is different from an SSID, which is the name of the wireless network that users see and connect to. An SSID can have multiple BSSIDs associated with it, depending on the number and location of the APs. A BSSID is used to differentiate between different BSSs and to facilitate roaming and load balancing among them. References: https://internetspeedtest.world/wiki/bssid
https://www.minthaik.com/bssid-basic-service-set-identifier/
NEW QUESTION # 42
You have connected a Multilayer switch to an Internet Service Provider router that has the 172.16.31.254 IP address. What configuration line do you have to enter on your switch to enable internet access?
- A. Ip route 0.0.0.0/0 172.16.31.254
- B. routing 0.0.0.0/0 172.16.31.254/24
- C. ip routing 0/0 172.16.31.254
- D. route 172.16.31.254 0.0.0.0 0.0.0.0
Answer: D
NEW QUESTION # 43
What are characteristics of Aruba Central? (Select two.)
- A. It manages networking equipment using HTTPs.
- B. It manages networking equipment using SNMP.
- C. It can manage third-party networking equipment.
- D. It must be deployed as an on-premises server.
- E. It is considered cloud-based network management.
Answer: A,E
Explanation:
Explanation
Aruba Central is a cloud-based networking solution that offers simplicity, security, and scalability for managing Aruba network infrastructure. It uses HTTPs to communicate with networking equipment such as wireless, wired, VPN, and SD-WAN devices. It also provides AI-powered insights, workflow automation, and advanced security features to unifyoperations across campus, branch, data center, and remote work environments. Aruba Central does not require an on-premises server, nor does it use SNMP for management.
It also does not support third-party networking equipment, as it is designed for Aruba ESP (Edge Services Platform). References: Aruba Central for Cloud-managed networking, About Aruba Central, Aruba Central data sheet
NEW QUESTION # 44
Which accurately describes the 051 Model?
- A. It is a reference model that describes data flow over the network using four layers.
- B. It is a reference model that explains how data is created by the application layer.
- C. It is a reference model that is used to convert binary bits into analog signals.
- D. It is a reference model that describes how data communications occur on a network.
Answer: D
Explanation:
Explanation
The 051 Model is a reference model that describes how data communications occur on a network using five layers: physical, data link, network, transport, and application. The 051 Model is based on the OSI Model, which has seven layers, but it simplifies the presentation and session layers into the application layer. The 051 Model is used to understand the functions and interactions of different network components, such as devices, protocols, and services. Each layer of the 051 Model has a specific role and responsibility in the data communication process, as follows:
* The physical layer defines the electrical and mechanical characteristics of the transmission medium, such as cables, connectors, and signals. It also determines how data is encoded into bits and transmitted over the medium.
* The data link layer defines the rules and methods for accessing and sharing the transmission medium among multiple devices. It also provides error detection and correction mechanisms to ensure reliable data delivery.
* The network layer defines the logical addressing and routing schemes for data packets across different networks. It also provides congestion control and fragmentation/reassembly functions to optimize network performance.
* The transport layer defines the end-to-end communication and reliability services for data segments between applications. It also provides flow control and multiplexing/demultiplexing functions to manage data streams.
* The application layer defines the protocols and services that enable user applications to exchange data over the network. It also provides functions such as encryption, authentication, and compression to enhance data security and efficiency.
References:
* 051 Model
* OSI Model
* Network Fundamentals
NEW QUESTION # 45
Which protocols operate on the Management Plane? (Select two.)
- A. Spanning Tree Protocol
- B. Address Resolution Protocol
- C. Hypertext Transfer Protocol Secure
- D. Transmission Control Protocol
- E. Secure Shell
Answer: A,E
NEW QUESTION # 46
Refer to Exhibit.
To which protocol does the header belong?
- A. Transmission Control Protocol
- B. User Datagram Protocol
- C. Ethernet Protocol
- D. 802.11 Wi-Fi
- E. Internet Protocol
Answer: B
Explanation:
Explanation
The header in the exhibit belongs to the User Datagram Protocol (UDP), which is a transport layer protocol that provides connectionless and unreliable data delivery. UDP header consists of four fields: Source Port, Destination Port, Length, and Checksum. The Source Port and Destination Port fields identify the endpoints of the communication, and are 16 bits each. The Length field specifies the total length of the UDP datagram, including the header and the data, and is also 16 bits. The Checksum field is used to verify the integrity of the UDP datagram, and is optional in IPv4 but mandatory in IPv6. The Checksum field is also 16 bits.
The other options are incorrect because:
B: Transmission Control Protocol (TCP) is another transport layer protocol that provides connection-oriented and reliable data delivery. TCP header has more fields than UDP header, such as Sequence Number, Acknowledgment Number, Window Size, etc. TCP header is at least 20 bytes long, while UDP header is only
8 bytes long.
C: 802.11 Wi-Fi is a set of standards for wireless local area networks (WLANs). 802.11 Wi-Fi header is different from UDP header, as it contains fields such as Frame Control, Duration, Address 1, Address 2, Address 3, etc. 802.11 Wi-Fi header is at least 24 bytes long, while UDP header is only 8 bytes long.
D: Ethernet Protocol is a data link layer protocol that defines the physical and logical characteristics of a wired network. Ethernet header is different from UDP header, as it contains fields such as Destination MAC Address, Source MAC Address, EtherType, etc. Ethernet header is 14 bytes long, while UDP header is 8 bytes long.
E: Internet Protocol (IP) is a network layer protocol that provides logical addressing and routing for data packets. IP header is different from UDP header, as it contains fields such as Version, Internet Header Length, Type of Service, Total Length, Identification, Flags, Fragment Offset, Time to Live, Protocol, Header Checksum, Source IP Address, Destination IP Address, etc. IP header is at least 20 bytes long, while UDP header is 8 bytes long. References:
* Aruba Certified Network Technician (ACNT) | HPE Aruba Networking
* User Datagram Protocol - Wikipedia
* Transmission Control Protocol - Wikipedia
* IEEE 802.11 - Wikipedia
* Ethernet frame - Wikipedia
* [IP header - Wikipedia]
NEW QUESTION # 47
What is part of the 5 GHz band?
- A. U-NII 5
- B. Channel 12 and 13
- C. Channel14
- D. Channels 149 to 161
Answer: D
NEW QUESTION # 48
What is a characteristic of IPv4 addresses?
- A. Has zero compression rule
- B. 12 hex-digit notation
- C. It is 128 bits long
- D. It is 32 bits long
Answer: D
NEW QUESTION # 49
Whichcondition allows 5Ghz channels to avoid Adjacent Channel Interference?
- A. transmit at high power levels
- B. transmit at 40 MHz bandwidth
- C. transmit at 20 MHz bandwidth
- D. transmit at low power levels
Answer: B
NEW QUESTION # 50
Which command should you enter to access the second interface of the third slot in a modular ArubaOS-CX switch?
- A. Interface 3/1/2
- B. Interface 0/2/3
- C. Interface 0/3/2
- D. Interface 1/3/2
Answer: D
Explanation:
Explanation
The command to access the second interface of the third slot in a modular ArubaOS-CX switch is interface
1/3/2. This is because the interface numbering format for modular switches is interface slot/module/port, where slot is the chassis slot number, module is the module number within the slot, and port is the port number within the module1. The slot number starts from 1, the module number starts from 0, and the port number starts from 12. Therefore, the second interface of the third slot is interface 1/3/2. The other options are incorrect because they do not follow the correct interface numbering format. References: AOS-CX 10.06 Command-Line Interface Guide 8320, 8
NEW QUESTION # 51
Which statements are true about a router? (Select two.)
- A. They utilize protocols to learn all possible paths.
- B. They are considered layer four devices.
- C. They are considered layer three devices.
- D. They are considered layer two devices.
- E. They analyze source addresses to learn paths.
Answer: C,E
NEW QUESTION # 52
Refer to Exhibit.
To which protocol does the header belong?
- A. User Datagram Protocol
- B. Transmission Control Protocol
- C. Ethernet Protocol
- D. Internet Protocol version 6
- E. Internet Protocol
Answer: D
NEW QUESTION # 53
Which protocol provides logical addressing used for routing messages across the network towards their destination?
- A. Transmission Control Protocol
- B. Internet Protocol
- C. Wired Ethernet
- D. Link Layer Discovery Protocol
Answer: B
NEW QUESTION # 54
Whichtraffic type is used for one-to-one communication?
- A. Anycast
- B. Unicast
- C. Multicast
- D. Broadcast
Answer: B
Explanation:
Explanation
https://www.omnisecu.com/tcpip/ipv6/unicast-multicast-anycast-types-of-network-communication-in-ipv6.php
NEW QUESTION # 55
What is the goal of the TCP three-way handshake?
- A. To notify the number of segments that will be sent.
- B. To acknowledge the reception of the segments.
- C. To notify the destination who the originator is.
- D. To establish a reliable, flow-controlled connection.
Answer: D
Explanation:
Explanation
The TCP three-way handshake is a process that is used in a TCP/IP network to create a connection between a client and a server. It involves the exchange of three packets: SYN, SYN-ACK, and ACK. The goal of the TCP three-way handshake is to establish a reliable, flow-controlled connection between the two endpoints.
This means that the connection is able to ensure that the data is transmitted without errors, losses, or duplications, and that the data is sent at a rate that both sides can handle.
The TCP three-way handshake works as follows:
* The client initiates the connection by sending a SYN packet to the server. The SYN packet contains a random sequence number that indicates the starting point of the data that the client will send.
* The server responds to the client by sending a SYN-ACK packet. The SYN-ACK packet contains the server's own sequence number and an acknowledgment number that is equal to the client's sequence number plus one. This indicates that the server has received the client's SYN packet and is ready to receive data from the client.
* The client completes the handshake by sending an ACK packet to the server. The ACK packet contains an acknowledgment number that is equal to the server's sequence number plus one. This indicates that the client has received the server's SYN-ACK packet and is ready to send data to the server.
After the TCP three-way handshake is completed, the connection is established and the data transfer can begin.
References: The answer can be verified by using the following resources:
* TCP 3-Way Handshake Process - GeeksforGeeks
* TCP 3-Way Handshake (SYN, SYN-ACK,ACK) - Guru99
* Akamai Blog | What is a TCP Three-Way Handshake?
* What is a Three-Way Handshake? - Definition from Techopedia
* What is TCP 3-Way Handshake, Benefits, and Drawbacks? - Networking Signal
NEW QUESTION # 56
Exhibit:
What are valid configurable "Client VLAN Assignment" options for a Bridge-based WLAN in Aruba Central?
(Select three.)
- A. native VLAN
- B. hybrid VLAN
- C. static VLAN
- D. automatic VLAN
Answer: C
NEW QUESTION # 57
What is part of the 5 GHz band?
- A. U-NII 5
- B. Channel 12 and 13
- C. Channel 14
- D. Channels 149 to 161
Answer: D
Explanation:
Explanation
The 5 GHz band is a radio frequency band used for Wi-Fi communications. It has a higherdata bandwidth than the 2.4 GHz band, but a shorter range and less penetration through walls. The 5 GHz band is divided into several sub-bands, each with a different set of channels. One of these sub-bands is the U-NII-3 band, which covers the frequency range from 5725 MHz to 5850 MHz. This sub-band contains 24 non-overlapping channels, numbered from 149 to 172. Channels 149 to 161 are part of the 5 GHz band and can be used for Wi-Fi communications. Channels 165 and 169 are restricted to indoor use only, and channel 173 is not allowed in some regions. Channels 12, 13, and 14 are not part of the 5 GHz band, but belong to the 2.4 GHz band, which has a different set of channels and regulations. U-NII-5 is not a valid sub-band name, but a proposed extension of the 5 GHz band to include the frequency range from 5925 MHz to 7125 MHz. This extension is not yet approved or implemented, and therefore not part of the 5 GHz band. References: List of WLAN channels, What's the Difference Between 2.4 and 5 GHz Wi-Fi (and Which Should I Use)?, What is the difference between 2.4 GHz, 5 GHz, and 6 GHz wireless frequencies?
NEW QUESTION # 58
What is the maximum recommended distance for a 1 Gbps Ethernet connection using Cat 6 UTP-based cabling between a host and the switch where it is plugged in?
- A. 300 meters (984 feet)
- B. 100 meters (328 feet)
- C. 15 meters (49 feet)
- D. 50 meters (164 feet)
Answer: B
Explanation:
Explanation
According to the Ethernet cable standards, Cat 6 UTP-based cabling can support 1 Gbps data rates up to 100 meters (328 feet) of cable length. This is the maximum recommended distance for a single cable run between a host and the switch where it is plugged in. If the cable length exceeds 100 meters, the signal quality may degrade and cause errors or lower performance. Cat 6 UTP-based cabling can also support 10 Gbps data rates up to 37-55 meters (121-180 feet), depending on the alien crosstalk atmosphere. However, for 10 Gbps data rates, Cat 6a UTP-based cabling is preferred, as it can support the full 100 meters of cable length. References
https://networkengineering.stackexchange.com/questions/81114/degradation-of-signal-quality-as-a-function-of-c
https://www.howtogeek.com/813419/how-long-can-an-ethernet-cable-be/
NEW QUESTION # 59
......
HP HPE3-U01 certification exam is designed for IT professionals who are interested in pursuing a career in network technology. Aruba Certified Network Technician Exam certification is specifically designed to validate the skills and knowledge of candidates in configuring, implementing, and managing Aruba wireless solutions. HPE3-U01 exam is a requirement for the Aruba Certified Network Technician (ACNT) certification.
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