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Question 201

What is the primary purpose of FortiSwitch device authorization in a centrally managed environment?

1. To increase the switch’s physical port speed
2. To allow an administrator to approve the switch for management
3. To replace all VLAN configurations
4. To provide DHCP addresses to endpoints

Correct Answer: 2

Explanation:

Device authorization allows an administrator to control which FortiSwitch devices are permitted to participate in the centralized management environment. This provides an additional administrative and security step before a switch becomes fully managed. After authorization, the administrator can apply the intended configuration and monitoring policies according to the deployment. Authorization does not increase physical interface speed, replace VLAN configuration, or act as a DHCP server. Controlling which devices can join the managed environment is particularly important in larger networks where unauthorized hardware should not automatically become part of the infrastructure.

Question 202

Which switch feature allows an administrator to identify the VLAN associated with a received Ethernet frame?

1. VLAN tagging
2. NTP
3. RADIUS accounting
4. PoE

Correct Answer: 1

Explanation:

VLAN tagging allows Ethernet frames to carry VLAN identification information, commonly through IEEE 802.1Q tagging. This is especially important on trunk links that transport traffic belonging to multiple VLANs. The receiving switch can inspect the VLAN tag and determine which logical broadcast domain the frame belongs to. NTP provides time synchronization, RADIUS accounting records authentication-related activity, and PoE supplies electrical power. VLAN tagging is therefore the mechanism that allows tagged traffic to retain its VLAN identity while traversing a shared physical link.

Question 203

What should an administrator verify if an access point connected to a FortiSwitch cannot reach its management network?

1. The keyboard language
2. The access port VLAN configuration
3. The RADIUS accounting history only
4. The NTP server name only

Correct Answer: 2

Explanation:

The access port VLAN configuration should be one of the first things checked when an access point cannot reach its expected management network. If the port is assigned to an incorrect VLAN, the access point may receive connectivity in the wrong broadcast domain and fail to communicate with its management services. Administrators should also verify IP addressing, DHCP behavior, upstream routing, and physical connectivity as appropriate. Keyboard settings are irrelevant, while NTP and RADIUS may provide supporting services but do not normally determine the endpoint’s VLAN placement.

Question 204

Which feature can provide additional visibility into traffic patterns without changing the original traffic destination?

1. Port mirroring
2. DHCP relay
3. STP
4. NTP

Correct Answer: 1

Explanation:

Port mirroring allows selected network traffic to be copied to another switch interface for monitoring or analysis. A security appliance, packet analyzer, or monitoring system can then inspect the copied traffic while normal traffic continues toward its intended destination. This can be useful for troubleshooting, performance analysis, and security investigations. DHCP relay forwards DHCP requests across Layer 3 boundaries, STP manages Layer 2 topology, and NTP synchronizes clocks. Port mirroring is therefore the appropriate feature when administrators need visibility into traffic without redirecting the original communication path.

Question 205

Which condition can cause a switch to flood an Ethernet frame instead of forwarding it through a single known interface?

1. The destination MAC address is unknown
2. The NTP server is unavailable
3. The switch has a valid RADIUS session
4. The interface has LLDP enabled

Correct Answer: 1

Explanation:

When a switch receives a frame for a destination MAC address that is not present in its forwarding database, the destination is treated as an unknown unicast. The switch normally floods the frame within the relevant VLAN, excluding the ingress interface, so that the destination device can receive it. Once the destination sends traffic back, the switch can learn its source MAC address and update the forwarding table. NTP, RADIUS, and LLDP do not determine whether a destination MAC address is known. MAC learning and forwarding behavior are fundamental Layer 2 switching functions.

Question 206

What is the purpose of configuring an interface as an edge port in an STP environment?

1. To indicate that the port is expected to connect to an end device
2. To make the interface a DHCP server
3. To aggregate the interface with every switch port
4. To disable VLAN tagging everywhere

Correct Answer: 1

Explanation:

An edge port is intended for a connection to an endpoint rather than another switching device. Such ports can transition toward forwarding more quickly because they are not expected to participate in a switching loop. This is commonly useful for workstations, printers, servers, and other end devices. Administrators should apply edge-port settings carefully and use appropriate STP protection mechanisms where supported. Edge-port configuration does not turn an interface into a DHCP server, automatically aggregate it with other interfaces, or globally disable VLAN tagging.

Question 207

Which setting helps control which VLANs are allowed to cross a trunk interface?

1. Allowed VLAN list
2. MAC aging timer
3. NTP server
4. RADIUS accounting profile

Correct Answer: 1

Explanation:

An allowed VLAN list specifies which VLANs can be transported over a trunk interface. Restricting the list to only the VLANs required by the network design helps reduce unnecessary traffic and limits VLAN propagation. Both ends of a trunk should be configured consistently to ensure that required VLANs can traverse the connection. MAC aging controls forwarding-table entries, NTP synchronizes system time, and RADIUS accounting records session information. The allowed VLAN list is therefore the direct control used to determine which VLANs are permitted across the trunk.

Question 208

What is the primary function of an SNMP manager in a network monitoring architecture?

1. To provide PoE power
2. To collect and process management information from network devices
3. To perform Layer 2 loop prevention
4. To assign access VLANs

Correct Answer: 2

Explanation:

An SNMP manager is a management system that communicates with SNMP-enabled network devices to collect operational information and, where supported, perform management functions. It can monitor interface statistics, device status, resource utilization, and other available information. SNMP can also work with traps for event-driven notifications. PoE provides electrical power, STP prevents Layer 2 loops, and access VLAN configuration determines the Layer 2 network assigned to an endpoint. The SNMP manager therefore plays a central role in network monitoring and management.

Question 209

What is one purpose of configuring a static MAC address on a switch?

1. To define a specific MAC-to-interface association manually
2. To synchronize the switch with an NTP server
3. To assign IP addresses automatically
4. To create a RADIUS account

Correct Answer: 1

Explanation:

A static MAC address entry allows an administrator to manually define an association between a MAC address and a switch interface or relevant VLAN context. Unlike dynamically learned entries, the association is not dependent on normal MAC learning. Static entries can be useful in specific network designs where an administrator needs predictable forwarding behavior or additional control. They should be used carefully because incorrect static mappings can cause connectivity problems. NTP, DHCP, and RADIUS provide time synchronization, IP configuration, and authentication services respectively and do not perform this MAC-table function.

Question 210

Which feature can help detect and block invalid ARP traffic based on trusted IP-to-MAC information?

1. LACP
2. DAI
3. LLDP
4. NTP

Correct Answer: 2

Explanation:

Dynamic ARP Inspection, or DAI, validates ARP traffic against trusted IP-to-MAC binding information. When correctly configured, this helps prevent attackers or misconfigured devices from sending forged ARP messages that associate an incorrect MAC address with an IP address. DHCP snooping can provide trusted bindings that DAI may use for validation, depending on the deployment. LACP manages link aggregation, LLDP discovers neighbors, and NTP synchronizes time. DAI is therefore the appropriate feature for validating ARP traffic and reducing the risk of ARP spoofing on the switched network.

Question 211

What is an important consideration when configuring PoE on a FortiSwitch?

1. The total available PoE power budget
2. The NTP hostname
3. The number of RADIUS users
4. The MAC aging timer only

Correct Answer: 1

Explanation:

The total PoE power budget is an important consideration when deploying multiple PoE-powered devices. A switch has a defined amount of electrical power that it can provide across its PoE-capable interfaces. If the connected devices require more power than the available budget, some devices may not receive power as expected. Administrators should consider the power requirements of access points, phones, cameras, and other endpoints when planning PoE deployments. NTP, RADIUS, and MAC aging are unrelated to the switch’s overall electrical power capacity.

Question 212

Which protocol is commonly used by 802.1X for communication between the network access device and an external authentication server?

1. LLDP
2. RADIUS
3. STP
4. LACP

Correct Answer: 2

Explanation:

RADIUS is commonly used as the backend authentication protocol for 802.1X deployments. The switch acts as an authenticator and communicates with the RADIUS server to validate credentials or other authentication information provided by the endpoint. This architecture allows organizations to centralize authentication and authorization policies rather than configuring individual credentials on every switch. LLDP is used for neighbor discovery, STP controls Layer 2 topology, and LACP provides link aggregation. RADIUS is therefore the correct protocol for centralized authentication in a typical 802.1X environment.

Question 213

What is the main reason to use a dedicated interface or network for switch management?

1. To separate administrative access from ordinary user traffic
2. To eliminate all physical connections
3. To automatically increase interface speed
4. To disable authentication requirements

Correct Answer: 1

Explanation:

A dedicated management interface or network separates administrative communication from normal user traffic. This can make it easier to apply restrictive access-control policies and limit management access to authorized administrators or systems. It can also simplify troubleshooting because management traffic follows a defined path. A dedicated management network does not eliminate physical connections, increase interface speed, or remove authentication requirements. Combining management segmentation with secure protocols, strong credentials, and appropriate network restrictions provides a more secure approach to administering switching infrastructure.

Question 214

What should be considered before applying a firmware upgrade to a centrally managed FortiSwitch?

1. Compatibility and supported firmware versions
2. The color of the Ethernet cables
3. The user’s desktop wallpaper
4. The number of browser tabs open

Correct Answer: 1

Explanation:

Before upgrading FortiSwitch firmware, administrators should verify compatibility with the relevant management platform, FortiGate environment, hardware model, and supported feature set. Firmware upgrades can introduce new functionality, fix issues, or address security vulnerabilities, but an unsupported version can create management or interoperability problems. Administrators should also consider maintenance windows, configuration backups, upgrade sequencing, and potential service interruption. Cable color and unrelated workstation settings have no meaningful effect on firmware compatibility. Proper planning reduces the risk of unexpected behavior during and after the upgrade.

Question 215

What is the primary purpose of DHCP snooping binding information?

1. To record trusted relationships between client IP and MAC information
2. To create an STP root bridge
3. To aggregate Ethernet links
4. To synchronize device clocks

Correct Answer: 1

Explanation:

DHCP snooping can maintain binding information that associates client IP addresses with MAC addresses, VLANs, and relevant switch interfaces. This information can be useful for enforcing additional Layer 2 security mechanisms such as Dynamic ARP Inspection and IP source guard. The binding database helps the switch determine whether traffic is consistent with expected address assignments. STP handles topology, LACP handles link aggregation, and NTP handles time synchronization. Therefore, DHCP snooping binding information is primarily used to track trusted client addressing relationships and support related security controls.

Question 216

What can cause an 802.1X-authenticated endpoint to remain unable to access the intended network?

1. Successful authentication but incorrect VLAN or authorization assignment
2. Correct NTP synchronization
3. A valid LLDP neighbor entry
4. A properly functioning LACP bundle

Correct Answer: 1

Explanation:

Successful 802.1X authentication does not necessarily guarantee that the endpoint has the correct network access if the resulting authorization or VLAN assignment is incorrect. For example, the endpoint could authenticate successfully but be placed into an unexpected VLAN due to RADIUS authorization attributes or switch configuration. Administrators should therefore check both authentication status and the resulting authorization state, including VLAN assignment and applicable access policies. NTP, LLDP, and LACP can provide useful network functions but do not directly determine whether an authenticated endpoint receives the correct access authorization.

Question 217

Which feature can help identify the connected device type and provide topology information when supported by the endpoint?

1. LLDP
2. DHCP relay
3. MAC aging
4. Storm control

Correct Answer: 1

Explanation:

LLDP provides neighbor discovery information that can help administrators identify connected network devices and understand physical topology. Depending on the device and LLDP extensions it supports, the switch may learn information such as device identity, interface details, capabilities, and other network-related attributes. This can be especially useful when troubleshooting or documenting a large switching environment. DHCP relay forwards DHCP requests, MAC aging manages learned MAC entries, and storm control limits excessive traffic. LLDP is therefore the most suitable feature for neighbor and topology information.

Question 218

What is a key benefit of restricting administrative access to specific management hosts or networks?

1. It reduces the number of systems that can attempt management access
2. It increases the switch’s physical bandwidth
3. It disables all VLAN traffic
4. It eliminates the need for passwords

Correct Answer: 1

Explanation:

Restricting administrative access to specific trusted hosts or management networks reduces the number of systems that can communicate with management interfaces. This can significantly reduce the attack surface and make unauthorized access attempts easier to control and monitor. Such restrictions should be combined with strong authentication and secure management protocols rather than being treated as the only security measure. Restricting management access does not increase physical bandwidth, disable VLAN traffic, or remove the need for authentication. Management-plane security is an important component of a defense-in-depth network design.

Question 219

What is the purpose of verifying interface counters during switch troubleshooting?

1. To identify errors, drops, and abnormal traffic conditions
2. To create new administrator accounts
3. To configure RADIUS policies automatically
4. To change the switch hardware model

Correct Answer: 1

Explanation:

Interface counters provide valuable information about the operational condition of a switch port. Depending on the available counters, administrators may identify input errors, output errors, dropped packets, collisions, or other abnormal conditions. Reviewing these statistics can help determine whether a problem is related to cabling, hardware, traffic congestion, configuration, or the connected device. Interface counters do not create administrator accounts or automatically configure RADIUS policies. They are primarily a troubleshooting and monitoring resource that provides evidence about how an interface is behaving.

Question 220

Which practice is recommended when deploying multiple FortiSwitch devices with similar network roles?

1. Give every device completely unrelated configurations
2. Use standardized configurations while accounting for device-specific requirements
3. Disable monitoring on all switches
4. Remove all management connectivity

Correct Answer: 2

Explanation:

Standardized configurations help maintain consistency across FortiSwitch devices that perform similar network roles. Administrators can use centralized management, templates, or documented configuration standards to reduce errors and simplify ongoing maintenance. However, device-specific requirements such as port assignments, hardware capabilities, uplink connections, and local network needs should still be reviewed before applying a common configuration. Completely unrelated configurations make troubleshooting and management more difficult, while disabling monitoring or removing management connectivity reduces operational visibility. Standardization combined with appropriate customization provides a scalable approach to switch deployment.