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| Section | Objectives |
|---|---|
| Switching Technologies | - VLAN configuration and operation - Spanning Tree Protocol (STP/RSTP) basics - Trunking (802.1Q) concepts |
| Network Redundancy and Resiliency | - Link aggregation (LACP) - Redundant switching design principles |
| Monitoring and Troubleshooting | - Basic switch troubleshooting tools and commands - Network monitoring concepts |
| Networking Fundamentals | - OSI and TCP/IP models - Ethernet fundamentals and switching concepts |
| Network Security Fundamentals | - Basic authentication methods - Port security and access control |
| IP Services and Routing Basics | - IPv4 addressing and subnetting - Inter-VLAN routing concepts |
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NEW QUESTION # 103
An administrator wants to assign multiple physical interfaces to act as a single logical interface for increased bandwidth and redundancy. Which technology should be implemented?
Answer: B
Explanation:
Link Aggregation Control Protocol (LACP) combines multiple physical links into a single logical connection. This increases available bandwidth, provides redundancy, and allows traffic to continue flowing even if one member link fails.
NEW QUESTION # 104
Refer to the diagram below. After a recent network change, the helpdesk reports that some users could not connect to the print server. Server-1, which is in VLAN 20. After further investigation, you find that only devices directly connected to Access-2 are affected. Which part of the network should you investigate?
Answer: D
Explanation:
Only clients connected to Access-2 are affected, while the server is also on Access-2 in VLAN 20.
This points to VLAN 20 not being consistently carried across the inter-switch trunk after the change, so traffic from some Access-2 user ports mapped to VLAN 20 would fail to reach Server-
1. Checking the trunk's allowed VLAN list between the access switches verifies whether VLAN 20 is permitted end-to-end.
NEW QUESTION # 105
After testing a new HPE Aruba Networking 6200M switch deployment for a small office, you discovered that hosts in different VLANs cannot reach each other.
What do you need to configure to enable connectivity between VLANs?
Answer: B
Explanation:
The correct answer is A. Configure an SVI for each VLAN. Hosts in different VLANs are in different Layer 2 broadcast domains, so they cannot communicate directly through normal switching alone. To enable communication between VLANs, the switch must provide Layer 3 gateway interfaces for those VLANs. On HPE Aruba Networking CX switches, this is done with switched virtual interfaces, or SVIs, using interface vlan < VLAN-ID > and assigning an IP address to each VLAN interface. HPE Aruba Networking documentation shows Layer 3 VLAN interfaces using interface vlan with an IP address, and also refers to an SVI as the Layer 2 VLAN interface IP address used by the switch. Option B is not the best answer because simply enabling IP forwarding does not create gateway interfaces for the VLANs. Option C is incorrect because trunking VLANs to another Layer 2 switch only extends VLANs; it does not route between them.
Option D is incorrect because VLANs separate Layer 2 domains, and inter-VLAN communication requires routing, not bridging.
NEW QUESTION # 106
Your manager has asked you to perform basic security hardening on your HPE Aruba Networking CX 6300 switches according to best practices.
After you have connected the OOBM interface, which configuration tasks should you add to your implementation plan?
Answer: D
Explanation:
The correct answer is A. Disable SSH and HTTPS in the data plane. After connecting the out-of-band management, or OOBM, interface, management access should be restricted to the management plane rather than left available through user/data-plane interfaces. HPE Aruba Networking AOS-CX hardening guidance explains that the default VRF is associated with non-management interfaces, while the management VRF is associated with the dedicated management interface. It also lists SSH on TCP 22 and HTTPS/Web UI on TCP
443 as management services enabled by default. For hardening, if OOBM is being used, management services such as SSH and HTTPS should be disabled or restricted from the default/data VRF so users cannot manage the switch through production-facing ports. Option B is incorrect because disabling SSH and HTTPS in the management plane would remove the secure OOBM management path. Option C is incorrect because Telnet and HTTP are insecure protocols. Option D is incorrect because enabling SSH and HTTPS in the data plane increases the exposed management surface.
NEW QUESTION # 107
A Network Technician is troubleshooting a connectivity issue where a user on port 1/1/10 cannot reach the internet. The technician needs to verify the user's Layer 1 and Layer 2 connectivity and see if the switch is learning the user's MAC address.
The technician needs to answer the following questions:
* Is the port physically connected and up?
* What VLAN is the port assigned to?
* Is the switch learning any MAC addresses on that port?
* What is the speed and duplex of the link?
Which of the following validation commands provides the most comprehensive output to answer all these questions at once?
Answer: A
NEW QUESTION # 108
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