Cisco Updated 200-301 Exam Questions and Answers by nancie

The control plane is the part of a network device or architecture that builds the information used for forwarding decisions. Routing protocols, Layer 2 control protocols, neighbor discovery, ARP processing, and topology calculations all live conceptually in the control plane. The data plane then uses the resulting tables to forward traffic at speed. In software-defined architecture, this distinction becomes even sharper because the controller can centralize or influence control-plane decisions while the devices still forward packets. Cisco CCNA 200-301 v1.1 expects candidates to separate control, data, and management-plane functions. The data plane moves user packets. The management plane handles administrative access and configuration. A policy plane is not the standard answer for Layer 2 reachability and Layer 3 routing information. The plane that assists devices with making packet-forwarding decisions by supplying reachability and route information is the control plane.

A remote access VPN allows individual users to connect securely to internal company resources over an untrusted network such as the Internet. The user runs a VPN client or uses a supported remote-access method, authenticates, and receives encrypted tunnel access to permitted internal services. That is different from a site-to-site VPN, which connects two networks such as branch and headquarters. The answer choice about multiple users simultaneously is too vague and does not identify the remote-access purpose. The option saying it is used exclusively while already on the internal network is wrong; the point is remote connectivity. Cisco CCNA 200-301 v1.1 Security Fundamentals covers VPN concepts because engineers must distinguish remote-access VPNs, site-to-site VPNs, IPsec, and tunneling behavior. The best definition is that remote access VPN allows users to access internal company network resources through a secure tunnel. The correct answer is D.

A Wireless LAN Controller manages lightweight access points by exchanging control traffic with them. Older Cisco controller deployments used LWAPP, while modern deployments use CAPWAP, but the intent of the answer is the controller-to-lightweight-AP communication function. The WLC is not an AP itself and does not register with a single AP that controls the network. SSIDs identify WLANs for clients, but simply using SSIDs is not the defining WLC function. Monitoring wired LAN activity is not the best description either. Cisco CCNA 200-301 v1.1 Network Access expects candidates to understand the controller-based wireless model: lightweight APs depend on the controller for centralized management, configuration, and policy. The controller sends and receives control-plane messages with APs so wireless services can be coordinated at scale. Within the available choices, sending LWAPP packets to access points is the function that identifies a WLC.

To enable OSPFv2 on an active interface, the router needs an OSPF process and the interface must be placed into an OSPF area. The process ID is locally significant on the router; it starts the OSPF routing process but does not have to match the neighbor. The area ID is different: routers that form an adjacency on the same link must agree on the area, because the area defines the link-state database scope. Authentication keys, stub flags, and IPv6 addressing are not minimum requirements for OSPFv2. MD5 authentication can be added as a security control, but OSPFv2 can run without it. IPv6 belongs to OSPFv3, not OSPFv2. Cisco CCNA 200-301 v1.1 tests OSPFv2 under IP Connectivity, and the basic operational checklist is simple: active interface, matching network type/timers/area where required, and an enabled OSPF process. For this question, the two minimum configured parameters are the OSPF area and the OSPF process ID.