Free Cisco 200-301 Practice Exam with Questions & Answers | Set: 9

OpenFlow and NETCONF are southbound interfaces because they are used between a controller or automation system and network devices. Southbound APIs carry instructions toward the infrastructure: switches, routers, and other forwarding devices. OpenFlow is the classic SDN example because it lets a controller influence forwarding behavior in network devices. NETCONF is also a southbound management protocol; it uses structured XML-based remote procedure calls to retrieve or modify device configuration and operational data. Thrift and CORBA are general distributed-computing technologies, not the CCNA-standard southbound networking answers here, and DSC is not a normal Cisco SDN southbound API in this context. Cisco CCNA v1.1 automation objectives expect the candidate to separate northbound and southbound communication. Northbound APIs face applications and orchestration systems. Southbound APIs face the managed network devices. Because both OpenFlow and NETCONF operate on the controller-to-device side, A and B are the correct selections.

Use D for this item. HSRP provides first-hop redundancy by giving a group of routers a shared virtual IP address and virtual MAC address. Hosts use the virtual IP as their default gateway; the active router forwards traffic and the standby router takes over if the active fails. In Cisco CCNA 200-301 v1.1, IP Connectivity 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. HSRP is not route load balancing, Layer 2 flooding, or per-packet distribution across routed links. 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.

A /30 IPv4 subnet provides four total addresses: one network address, two usable host addresses, and one broadcast address. That makes it a traditional fit for a point-to-point link between two routers, where only two interface addresses are required. The subnet mask for /30 is 255.255.255.252. The correct option must therefore contain a usable host address that falls between the subnet ' s network and broadcast values, paired with the /30 mask. Option A is the combination that satisfies those conditions in the exhibit. Addresses equal to the subnet ID or broadcast address cannot be assigned to router interfaces. Masks that create a larger or smaller subnet do not meet the stated requirement. CCNA v1.1 Network Fundamentals expects fast recognition of subnet size, usable host ranges, and valid interface assignments. The efficient mental check is: /30 increments by 4, and only the two middle addresses in each block are usable.

The correct response is A. Wireless LAN controllers centralize enterprise access point management. A WLC pushes WLAN configuration, security policy, RF parameters, and operational control to lightweight APs so administrators do not configure each AP independently. For Cisco CCNA 200-301 v1.1, the important point is the mechanism, not a generic description of the technology. Standalone support, perimeter defense, and device-login authentication are not the primary role of the wireless controller in this scenario. When this appears in a network, the symptom normally confirms the answer: the route installed, the state selected, the packet forwarded, the wireless client behaviour, or the management workflow will follow this rule. That is why this answer is the best fit for the scenario and not just a plausible networking term.

Answer B is the technically correct selection. DNS allows a user or device to refer to another host by name instead of typing the destination IP address. When Telnet is initiated with a hostname, name resolution must translate that name to an IP address before the session can be built. This aligns with Cisco CCNA 200-301 v1.1 because the exam blueprint requires engineers to recognize operational behaviour from configuration symptoms and topology requirements. SNMP monitors devices, syslog records events, and NTP synchronizes time; none of those services resolves hostnames for Telnet. Treat the distractors carefully: most are real Cisco terms, but they solve a different problem or operate at a different layer. The selected answer is the one that would be used by an engineer on the device or in the design to produce the outcome stated in the question.

The correct response is C. A WLC distribution system port connects to the wired network and carries normal AP and client traffic. This port type is used for data-plane and control-plane connectivity between the controller, APs, and upstream switching infrastructure. For Cisco CCNA 200-301 v1.1, the important point is the mechanism, not a generic description of the technology. Console and service ports are for management access, and a redundancy port is for HA communication. When this appears in a network, the symptom normally confirms the answer: the route installed, the state selected, the packet forwarded, the wireless client behaviour, or the management workflow will follow this rule. That is why this answer is the best fit for the scenario and not just a plausible networking term.

A hypervisor abstracts the physical server hardware and presents virtual hardware to each virtual machine. That includes CPU, memory, storage, and virtual network interfaces. The virtual machine sees a logical machine, while the hypervisor schedules and allocates the real physical resources underneath it. This is the core function of server virtualization and is part of Cisco CCNA 200-301 v1.1 Network Fundamentals because modern network engineers must understand how servers connect through virtual switches and how traffic leaves a hypervisor toward the physical network. A hypervisor is not limited to one VM, and it does not magically communicate at Layer 3 without network resources. The idea that virtualized servers run best only when connected to a separate physical switch misunderstands virtualization; VM traffic can be switched inside the host through a virtual switch before reaching a physical NIC. The correct statement is that the hypervisor virtualizes physical components so multiple independent workloads can run on one host.

Answer D is the technically correct selection. In a lightweight AP deployment, the wireless LAN controller handles WLAN policy and forwards authentication requests to the AAA server. The AP provides radio access, but the WLC controls the client WLAN configuration and authentication path in the controller-based architecture. This aligns with Cisco CCNA 200-301 v1.1 because the exam blueprint requires engineers to recognize operational behaviour from configuration symptoms and topology requirements. A RADIUS server validates credentials, while TACACS+ is mainly used for device administration; the AP is not the controlling device in this model. Treat the distractors carefully: most are real Cisco terms, but they solve a different problem or operate at a different layer. The selected answer is the one that would be used by an engineer on the device or in the design to produce the outcome stated in the question.

Virtualization allows multiple independent operating systems and applications to run on the same physical server, each inside its own virtual machine. It also introduces logical switching so traffic can move between virtual machines on the same host and out to the physical network through a physical NIC. This is why network engineers must understand virtual switches, port groups, VLAN tagging, and hypervisor uplinks. Cisco CCNA 200-301 v1.1 includes virtualization in Network Fundamentals because modern campus and data-center traffic often begins or ends inside a virtualized host. The environment does not require a dedicated hypervisor used only as an SNMP network manager, and a physical router does not directly connect to each VM NIC. Virtualization also does not require systems to reside on the internet. The core points are resource abstraction and logical connectivity. Multiple OS instances share one physical hardware platform, and virtual network devices move traffic between VMs and the physical network. That makes B and C correct.

Use B for this item. A SOHO network commonly lets multiple users share one broadband Internet connection. Small office/home office designs emphasize low cost, simple management, wireless and wired access, and Internet edge services in a compact topology. In Cisco CCNA 200-301 v1.1, Network Fundamentals 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. Full-mesh switching, thousand-user capacity, and three-tier redundancy describe larger enterprise designs. 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.

172.28.0.0/16 is the only private IPv4 network in the list. RFC 1918 reserves three private address blocks for internal use: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. The 172.16.0.0/12 block covers 172.16.0.0 through 172.31.255.255, so 172.28.0.0/16 falls cleanly inside the private range. Private addresses are not globally routed on the public Internet and are commonly used for internal LANs, labs, branch networks, and enterprise addressing plans. The other listed choices are either invalidly written or outside the RFC 1918 private ranges. In real networks, private addressing is normally paired with NAT or routed only inside the organization. CCNA 200-301 v1.1 Network Fundamentals requires candidates to identify private IPv4 ranges and understand why they allow internal communication without Internet-routable addressing. Reference: Cisco CCNA IPv4 addressing fundamentals and RFC 1918 private address allocation.

Spine-and-leaf networks scale access capacity by adding another leaf switch and connecting that leaf to every spine switch. That preserves the fabric’s predictable any-leaf-to-any-leaf pathing and keeps oversubscription under control. A leaf switch is where servers, endpoints, or access-facing devices attach; spine switches provide the high-speed interconnection layer between leaves. Leaves do not connect to other leaves, and spines do not connect to other spines in the classic two-tier Clos design. Adding only a spine switch does not create additional access ports. Adding a leaf with a single uplink to one spine would create a bottleneck and break the equal-cost multipath design principle. CCNA 200-301 v1.1 Network Access and Network Fundamentals include spine-leaf as a modern data-center architecture pattern. The verified answer is D: add a leaf switch with connections to every spine switch. Reference: Cisco spine-leaf/Clos architecture design guidance.

Router-on-a-stick inter-VLAN routing uses router subinterfaces, one logical subinterface per VLAN. For VLAN 20 on Ethernet0/0, the subinterface should be Ethernet0/0.20, followed by 802.1Q encapsulation for VLAN 20 and the gateway IP address for that VLAN. The physical interface normally remains without an IP address, while each subinterface receives its own VLAN-tagged configuration. The command encapsulation dot1q 20 tells the router to expect and send frames tagged for VLAN 20 on that subinterface. The IP address 10.20.20.1 255.255.255.0 then becomes the default gateway address for hosts in VLAN 20. Option A incorrectly configures encapsulation and IP addressing under the physical Ethernet0/0 interface. Option C misses the encapsulation command, so the router would not associate the subinterface with VLAN 20. Option D is only a plain routed interface configuration. Cisco CCNA 200-301 v1.1 includes this as a foundational VLAN routing pattern. The correct command set is option B.

A frame that fails the Ethernet Frame Check Sequence is counted as a CRC error and also contributes to input errors. The FCS field is the Ethernet trailer’s error-detection value; the receiver recalculates the value and compares it with the frame’s received FCS. If the values do not match, the frame is considered corrupted and is discarded. Cisco interface counters commonly report that condition under CRC, while the broader input errors counter includes CRC and other receive-side problems such as runts, giants, frame errors, overrun, ignored, and no-buffer conditions. Runts and giants are size-related counters, not the direct result of the FCS failure described in the question. The frame counter is not the best paired answer here. In CCNA 200-301 v1.1 Network Fundamentals, this maps to Ethernet operation and interface troubleshooting. The verified answers are D and E: CRC and input errors. Reference: Cisco interface counter interpretation and Ethernet FCS behavior.

The global command service password-encryption prevents supported plain-text passwords from being displayed in clear text in the running configuration. After the command is enabled, passwords configured under lines, usernames using the password keyword, and similar legacy password fields are obfuscated with Cisco Type 7 encoding. This is not strong cryptographic protection, but it does stop casual viewing of plain text during show running-config. The enable secret command protects the privileged EXEC password with a stronger hash, but it does not encrypt all plain-text passwords in the configuration. The enable password command creates a less secure privileged password, and the username Cisco password encrypt syntax is not the correct IOS command. CCNA 200-301 v1.1 Security Fundamentals expects candidates to know basic device hardening commands and the difference between enable secret and service password-encryption. The verified answer is B. Reference: Cisco IOS password encryption and secure device-management guidance.

The command ip address dhcp makes a Cisco router interface act as a DHCP client. Instead of manually assigning an IPv4 address and mask to the interface, the router sends DHCP client messages and accepts an address, default gateway information, and other options from a DHCP server when available. The ip helper-address command is different: it configures DHCP relay on an interface so client broadcasts can be forwarded to a DHCP server on another subnet. The ip dhcp pool command builds a DHCP server pool on the router, and ip dhcp client is not the interface command used for this purpose. This is a typical CCNA 200-301 v1.1 IP Services distinction: client, server, and relay roles are separate. When a router must obtain its own interface address dynamically, configure ip address dhcp under the interface and ensure the interface is no shutdown. Therefore the verified answer is A. Reference: Cisco IOS DHCP client configuration guidance.

This drag-and-drop question tests whether the protocol normally uses TCP or UDP as its transport service. TCP is selected when the application requires connection setup, acknowledgments, sequencing, and retransmission. Protocols such as HTTP, HTTPS, FTP, SSH, Telnet, and SMTP commonly rely on TCP because reliable delivery matters more than minimal overhead. UDP is selected when the application benefits from low overhead, simple request/response behavior, or real-time delivery where late retransmission is not useful. DNS queries, DHCP, TFTP, SNMP polling, NTP, voice media, and many streaming functions commonly use UDP. Some protocols can use both in special cases, but CCNA questions normally expect the standard default transport. Cisco CCNA v1.1 Network Fundamentals includes application protocols and transport-layer behavior. The correct mapping should therefore follow function: reliable session-based applications go to TCP, while lightweight discovery, timing, addressing, and real-time-style exchanges usually go to UDP.

172.16.15.10. OSPF decisions depend on router IDs, area membership, matching timers, network type, interface state, and cost calculation rather than arbitrary route preference. Cisco CCNA 200-301 v1.1 includes this topic under IP Connectivity, so the answer must be validated against normal Cisco device behavior and the operational wording of the scenario. The key is not simply recognizing a familiar acronym; it is identifying what the feature does, where it is configured, and what result it produces. Distractors that mention process IDs, unrelated metrics, or the wrong interface parameter do not satisfy OSPF neighbor or route-selection requirements. In a real network, selecting the wrong option would either leave the feature nonfunctional, create a forwarding or security gap, or send troubleshooting in the wrong direction. The selected answer is the only one that matches the stated requirement and the way Cisco switching, routing, services, security, wireless, or automation functions are expected to operate. This is why the verified answer remains the best technical choice for the question.

l92.168.0.0/25 as summary and 192.168.0.0/27 for each floor. The scenario should be solved by matching the described behavior to the Cisco feature that actually performs it. Cisco CCNA 200-301 v1.1 includes this topic under Network Fundamentals, so the answer must be validated against normal Cisco device behavior and the operational wording of the scenario. The key is not simply recognizing a familiar acronym; it is identifying what the feature does, where it is configured, and what result it produces. The other options are real networking terms or plausible phrases, but they operate at a different layer, solve a different problem, or do not create the outcome described. In a real network, selecting the wrong option would either leave the feature nonfunctional, create a forwarding or security gap, or send troubleshooting in the wrong direction. The selected answer is the only one that matches the stated requirement and the way Cisco switching, routing, services, security, wireless, or automation functions are expected to operate. This is why the verified answer remains the best technical choice for the question.

IPsec. 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.