200-301 Cisco Implementing and Administering Cisco Solutions (200-301 CCNA) v1.1 Free Practice Exam Questions (2026 Updated)

ip route 0.0.0.0 0.0.0.0 192.168.1.2 10. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Configure the no lldp tlv-select-management-address command globally on Cat9K-2. Switching behavior is determined by MAC learning, VLAN membership, trunk state, port security, and EtherChannel negotiation. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The incorrect choices either alter the wrong interface behavior or confuse access-layer switching with routing or security services. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

JSON is commonly used to describe structured data and it supports arrays. A JSON object is written as name-value pairs enclosed in braces, while an array is an ordered list enclosed in brackets. This makes JSON compact and easy for REST APIs, scripts, controllers, and network automation tools to exchange data. Cisco CCNA 200-301 v1.1 includes JSON because network programmability often requires reading API responses from systems such as Cisco DNA Center or device controllers. Option A describes markup-style languages such as XML or HTML, which use angle brackets and tags. Option D is backwards because XML is usually more verbose than JSON. Option C is too vague; JSON can be stored, but the defining exam feature here is its structured representation, including arrays. A fast way to recognize JSON is to look for curly braces, quoted keys, colons between keys and values, and square brackets when multiple values are grouped.

between zones 3 and 6. Wireless operation depends on WLAN identity, AP mode, RF management, client authentication, and controller-based policy enforcement. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The distractors confuse WLAN names, authentication, encryption, RF optimization, and controller management functions. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

R1(config)#ipv6 route 2019:C15C:0CAF:E001::/64 2019:C15C:0CAF:E002::1. IPv6 static routes are configured in global configuration mode with the ipv6 route command. The destination prefix comes first, followed by the next-hop IPv6 address or exit interface information. The options using ip route are IPv4 syntax and cannot install an IPv6 route. The options shown in interface configuration mode are also invalid for adding a global static route. Cisco CCNA 200-301 v1.1 IP Connectivity expects engineers to separate IPv4 and IPv6 routing syntax and to recognize that an IPv6 route to a /64 prefix is not configured with the IPv4 ip route command. The corrected answer uses ipv6 route 2019:C15C:0CAF:E001::/64 with the next-hop address 2019:C15C:0CAF:E002::1. That directs traffic for the destination IPv6 network toward the specified next hop.

Answer B,C is correct: B. RSA token; C. CA that grants certificates. Security fundamentals require distinguishing identity, authorization, accounting, encryption, inspection, and physical protection. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The incorrect choices apply a security term in the wrong control category or protect a different part of the system. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Cisco CCNA 200-301 v1.1 Network Fundamentals questions of this type test whether each item is matched to the technology that actually performs that role. The reliable method is to classify each term by operating layer, packet behavior, management function, or security purpose before matching it. Several terms in these items are legitimate Cisco networking concepts, but they become wrong when assigned to the wrong protocol or plane. The mapping retained in the document follows that separation: transport behavior is matched to TCP or UDP, wireless or security terms are matched to their mechanisms, and automation items are matched to the correct API or management model. This matters operationally because troubleshooting fails quickly when a forwarding-plane function is treated as a management-plane feature or when a security control is applied to the wrong threat. The shown mapping is therefore retained as the verified response.

SYN flood. The answer follows directly from normal Cisco device behavior and the wording of the scenario. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The other choices are either adjacent technologies, wrong-layer functions, or settings that would not produce the stated result. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

00-00-5E-00-01-0a. IP services must be selected by their exact operational role: addressing, translation, time, monitoring, logging, redundancy, or traffic treatment. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The wrong options name real services or commands, but they solve a different infrastructure problem. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Add either the ip nat {inside|outside} command under both interfaces.. IP services must be selected by their exact operational role: addressing, translation, time, monitoring, logging, redundancy, or traffic treatment. Cisco CCNA 200-301 v1.1 includes this under IP Services, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The wrong options name real services or commands, but they solve a different infrastructure problem. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Option B. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

full mesh. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under Network Fundamentals, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Option A. The answer follows directly from normal Cisco device behavior and the wording of the scenario. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The other choices are either adjacent technologies, wrong-layer functions, or settings that would not produce the stated result. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

The application requires the user to enter a PIN before it provides the second factor.. Security fundamentals require distinguishing identity, authorization, accounting, encryption, inspection, and physical protection. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The incorrect choices apply a security term in the wrong control category or protect a different part of the system. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Option B. Cisco routers select forwarding paths by longest-prefix match first, then administrative distance and metric when comparable routes compete. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The wrong choices either do not match the destination, use the wrong next hop, or fail to provide the intended primary/backup behavior. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Option B. OSPF operation depends on area membership, network type, timers, router ID, priority, and whether a DR/BDR election occurs. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Incorrect choices either use the wrong OSPF role, omit a required adjacency condition, or apply a setting that does not affect the stated behavior. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

to configure an interface as a DHCP client. IP services must be selected by their exact operational role: addressing, translation, time, monitoring, logging, redundancy, or traffic treatment. Cisco CCNA 200-301 v1.1 includes this under IP Services, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The wrong options name real services or commands, but they solve a different infrastructure problem. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

forwarding packets. In a controller-based network, ordinary forwarding devices still perform data-plane forwarding. The controller centralizes policy, management, and control decisions, but packets are still forwarded by the switches and routers in the infrastructure. Off-the-shelf switches do not provide the central view, do not normally make global routing policy decisions, and do not set the controller’s packet-handling policy. Cisco CCNA 200-301 v1.1 Automation and Programmability expects candidates to distinguish the data plane from the control and management planes. The corrected answer is forwarding packets. The controller tells the network what behavior is required, but the switch ASICs and interfaces continue to move frames and packets through the network. Confusing those roles is a common SDN misconception.

Answer B,C is correct: B. It uses northbound and southbound APIs to communicate between architectural layers; C. It moves the control plane to a central point.. Automation and controller-based networking require separating APIs, management-plane actions, data formats, and centralized control from traditional device-by-device configuration. Cisco CCNA 200-301 v1.1 includes this under Automation and Programmability, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The wrong options mix northbound and southbound roles, control and data plane functions, or automation outcomes with unrelated technologies. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Answer B,C is correct: B. Option B; C. Option C. The answer follows directly from normal Cisco device behavior and the wording of the scenario. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The other choices are either adjacent technologies, wrong-layer functions, or settings that would not produce the stated result. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Option C. The answer follows from normal Cisco device behavior and the operating clue in the scenario. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The other options use adjacent terms, wrong-layer behavior, or configuration that would not produce the requested result. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

when a gateway protocol is required that support more than two Cisco devices for redundancy. IP services must be selected by their exact operational role: addressing, translation, time, monitoring, logging, redundancy, or traffic treatment. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The wrong options name real services or commands, but they solve a different infrastructure problem. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

network 10.0.0.0 0.0.0.255 area 0. OSPF behavior is controlled by interface state, area, timers, network type, cost, priority, router ID, and neighbor/adjacency rules. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The distractors confuse OSPF with unrelated metrics, local-only process values, or parameters that do not satisfy the adjacency or route-selection requirement. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Enable LLDP globally.. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Option C. Switching behavior depends on VLAN tagging, trunk negotiation, STP role selection, EtherChannel mode, and whether a protocol is standards-based or Cisco-specific. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. Incorrect options change existing VLAN reachability, use the wrong negotiation behavior, or apply a feature to the wrong switch function. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

HTTPS. The answer follows directly from normal Cisco device behavior and the wording of the scenario. Cisco CCNA 200-301 v1.1 includes this under Security Fundamentals, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The other choices are either adjacent technologies, wrong-layer functions, or settings that would not produce the stated result. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

Cisco CCNA 200-301 v1.1 Network Fundamentals questions of this type test whether each protocol, component, address type, or management concept is matched to its correct operating role. The safe method is to classify every item by function: what it does, where it operates, and what problem it solves. Several distractors are usually valid networking terms, but they belong to a different layer or a different operational workflow. The shown mapping keeps those boundaries straight and avoids assigning a feature to the wrong technology. In practice, this same skill is required when troubleshooting because confusing a management-plane function with a forwarding-plane function, or a wireless security feature with an authentication feature, leads to incorrect fixes. The mapping shown in the file is therefore retained and explained as the verified selection.

F0/11. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

access. Switching behavior depends on VLAN tagging, trunk negotiation, STP role selection, EtherChannel mode, and whether a protocol is standards-based or Cisco-specific. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. Incorrect options change existing VLAN reachability, use the wrong negotiation behavior, or apply a feature to the wrong switch function. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

discontinuous frequency ranges. Wireless design and security require separating AP mode, WLAN identity, RF behavior, authentication, and encryption. Cisco CCNA 200-301 v1.1 includes this under Network Access, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The distractors confuse wireless standards, security mechanisms, controller settings, or RF design practices. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

192.168.2.0/24. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Cisco CCNA 200-301 v1.1 Network Fundamentals questions of this type test whether each item is matched to the technology that actually performs that role. The reliable method is to classify each term by operating layer, packet behavior, management function, or security purpose before matching it. Several terms in these items are legitimate Cisco networking concepts, but they become wrong when assigned to the wrong protocol or plane. The mapping retained in the document follows that separation: transport behavior is matched to TCP or UDP, wireless or security terms are matched to their mechanisms, and automation items are matched to the correct API or management model. This matters operationally because troubleshooting fails quickly when a forwarding-plane function is treated as a management-plane feature or when a security control is applied to the wrong threat. The shown mapping is therefore retained as the verified response.

Option C. Cisco forwarding uses longest-prefix match first, then administrative distance and metric when multiple sources compete. Cisco CCNA 200-301 v1.1 includes this under Network Fundamentals, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Wrong choices either do not match the destination prefix, point to the wrong next hop, or fail to create the required primary or backup route. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Option D. OSPF operation depends on area membership, network type, timers, router ID, priority, and whether a DR/BDR election occurs. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. Incorrect choices either use the wrong OSPF role, omit a required adjacency condition, or apply a setting that does not affect the stated behavior. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

ip route 10.1.1.10 255.255.255.255 gi0/0 125. OSPF behavior is controlled by interface state, area, timers, network type, cost, priority, router ID, and neighbor/adjacency rules. Cisco CCNA 200-301 v1.1 includes this under IP Connectivity, where the exam expects engineers to recognize the device behavior that actually produces the required outcome. The question is best solved by reading the operational clue rather than choosing a familiar acronym. The distractors confuse OSPF with unrelated metrics, local-only process values, or parameters that do not satisfy the adjacency or route-selection requirement. In a production network, the wrong choice would normally create an outage, leave a management or security gap, or send troubleshooting toward the wrong subsystem. The selected answer is the one that matches the control-plane, data-plane, wireless, security, services, or automation mechanism described in the question. That is why it remains the verified answer for this item.

accessed over the Internet. Automation questions depend on recognizing controllers, APIs, data formats, HTTP methods, and cloud-service characteristics. Cisco CCNA 200-301 v1.1 includes this under Network Fundamentals, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The wrong options mix controller functions with data-plane forwarding or confuse API operations with unrelated management terms. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.

Use D for this item. A switch builds its MAC address table from ingress traffic. When a frame enters a port, the switch records the source MAC address and the receiving interface in the table. In Cisco CCNA 200-301 v1.1, Network Access questions frequently test the practical boundary between similar features: what the feature does, where it is configured, and what problem it is meant to solve. DTP and VTP serve trunk negotiation and VLAN database functions, and egress traffic is not how the switch learns the source location. A clean way to validate the answer is to map the wording of the scenario to the actual device function. If the feature supplies addressing, forwarding, authentication, trunking, route selection, or controller communication, the answer must match that function exactly rather than a nearby protocol name.

The failure is caused by a native VLAN mismatch. On an 802.1Q trunk, traffic for the native VLAN is sent untagged by default. Both ends of the trunk must agree on which VLAN is native; otherwise, an untagged frame sent by one switch is placed into a different VLAN when it arrives on the other switch. That silently breaks traffic separation and can also create confusing reachability failures. Cisco switching guidance treats native VLAN consistency as a basic trunk requirement, and Cisco CCNA 200-301 v1.1 tests it as part of VLAN and trunk operation. Access-mode ports would be a different problem, but the exhibit points to a trunk inconsistency. The allowed VLAN list is also not the issue if the required VLANs are already carried. The fix is to configure the same native VLAN on both sides of the trunk, normally with switchport trunk native vlan < vlan-id > . The key clue is the mismatch between Switch 1 and Switch 2 native VLAN values.

Cisco DNA Center gathers operational information from network devices through multiple management and telemetry mechanisms, including SNMP, syslog, streaming telemetry, and other device communication methods depending on platform and configuration. It does not require every device to build an IPsec tunnel to exchange normal management data. The answer also is not a separate CU Analyzer tool; the point of DNA Center is centralized assurance, inventory, automation, and analytics. Cisco CCNA 200-301 v1.1 Automation and Programmability expects candidates to understand that controller-based platforms collect data continuously so they can build inventory, report health, detect issues, and drive policy-based changes. Traditional management often depends on manual checks across individual devices. DNA Center centralizes that work and consumes structured operational data from the network. The answer choice that correctly captures that model is A: network devices use services such as SNMP, syslog, and streaming telemetry to send data to the controller.