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| Section | Objectives |
|---|---|
| IP Services and Routing Basics | - IPv4 addressing and subnetting - Inter-VLAN routing concepts |
| Network Redundancy and Resiliency | - Redundant switching design principles - Link aggregation (LACP) |
| Switching Technologies | - Trunking (802.1Q) concepts - VLAN configuration and operation - Spanning Tree Protocol (STP/RSTP) basics |
| Network Security Fundamentals | - Basic authentication methods - Port security and access control |
| Networking Fundamentals | - OSI and TCP/IP models - Ethernet fundamentals and switching concepts |
| Monitoring and Troubleshooting | - Basic switch troubleshooting tools and commands - Network monitoring concepts |
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NEW QUESTION # 103
What is considered a secure protocol?
Answer: C
Explanation:
The correct answer is D. SNMPv3. HPE Aruba Networking AOS-CX hardening documentation recommends using SNMPv3 instead of older SNMP versions because older SNMP versions are unauthenticated and unencrypted, with the community string transmitted in plaintext. The same guide states that SNMPv3 supports different users, authentication, and strong encryption. This makes SNMPv3 the secure protocol among the options. HTTP is not the best answer because standard HTTP does not encrypt management or web traffic; HTTPS would be the secure alternative. TFTP is not secure because it does not provide encryption or strong authentication for file transfers. Telnet is also not secure because it sends session traffic, including login information, in clear text; SSH is the secure alternative for CLI management. Therefore, from the listed protocols, only SNMPv3 provides security mechanisms appropriate for secure network management, including authenticated and encrypted communication.
NEW QUESTION # 104
Which type of interface is used for internal routing and connects a Layer 2 VLAN to the internal routing functions in a multi-layer switch?
Answer: C
NEW QUESTION # 105
You are checking the interface details for a workstation experiencing connectivity issues. Based on the output, which statement about the interface is true?
Answer: B
Explanation:
The correct answer is C. Input errors have occurred. The interface output shows CRC/FCS errors with a value of 1254 under the RX column. CRC/FCS errors are receive-side frame check errors, so they indicate that the switch has received corrupted frames on this interface. HPE Aruba Networking AOS-CX show interface documentation lists interface statistics including packets, bytes, dropped frames, pause frames, errors, CRC
/FCS, collisions, runts, and giants, which confirms that CRC/FCS is part of the interface error statistics.
Option A is incorrect because the output says VLAN Mode: access and Access VLAN: 90; an access VLAN is untagged toward the endpoint, not an 802.1Q tagged trunk VLAN. Option B is incorrect because the MTU is shown as 1500, and the Jumbos counter is 0, so the output does not indicate jumbo-frame use. Option D is incorrect because the shown output does not state that PoE is disabled. The key troubleshooting clue is the nonzero receive CRC/FCS counter. ( arubanetworking.hpe.com )
NEW QUESTION # 106
An administrator wants two switches to exchange routing information dynamically in a Layer 3 environment. Which protocol is designed for this purpose?
Answer: D
Explanation:
Open Shortest Path First (OSPF) is a dynamic routing protocol used by Layer 3 devices to exchange network reachability information. It calculates optimal paths and automatically adapts to topology changes within the routed network.
NEW QUESTION # 107
What is a valid way to explain the benefits of HPE Aruba Networking Central?
Answer: A
Explanation:
Aruba Central allows administrators to schedule software and firmware upgrades, giving control over when updates are applied to network devices for minimal disruption.
NEW QUESTION # 108
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