CCNA Routing and Switching - The Easy Certification Guide

Explore the functions of hubs, switches, bridges, and routers, and how they shape local area networks through MAC addresses, collision and broadcast domains, and VLANs.

Select network components to meet a client’s specification by evaluating cloud versus in‑house solutions, vpn access, site connectivity, vlan segmentation, routing with igmp and ospf, and redundancy.

Explore basic switching concepts and how switches manage traffic. Assess collision rate and utilization to decide when to add switches and design redundant backbone links to minimize congestion.

Learn how to access and configure Cisco switches, enter configuration mode with configure terminal, and set switchport mode access to segregate devices and test connectivity.

Explore IPv6 addressing and configuration options, including static configuration, stateless address configuration, and stateful configuration via DGP, with router advertisements and a /64 prefix.

Configure router interfaces, enable and verify connectivity between two routers, and implement a routing protocol (RIP) to enable inter-network communication, including correct IP addressing and ping tests.

Configure and secure a router by setting the host name and enable passwords, securing console and VTY access, describing interfaces, assigning IP addresses, and saving to startup config.

Explore how NAT maps private addresses to a public IP, enabling internet access while conserving IPv4 space with one-to-one, one-to-many, masquerade, and port address translation, using stateful translation tables.

Explore network time protocol fundamentals for clock synchronization across networks, using client-server and peer-to-peer models, achieving tens of milliseconds to sub-millisecond accuracy, with security concerns like man-in-the-middle attacks and spoofing.

Cisco group encrypted transport VPN enables instant, hubless branch-to-branch communications with encryption, meeting security and privacy laws while simplifying key management and supporting data, voice, and video.

Configure enhanced easy vpn with dial backup using dynamic virtual interfaces cloned from a virtual template to create secure ipsec remote access connections, with backup path failover.

Understand how ssl vpn enables browser-based, client-free remote access to web and internal resources with encrypted traffic, and distinguish portal vpn from ssl tunnel vpn.

Configure Cisco IOS firewall to inspect inbound smtp and extended tp connections using AP inspection, modifying illegal commands to provoke valid responses.

Configure a three-interface Cisco router as a small to medium business firewall with DMZ and internal networks, using access lists, IP inspection, DNS, and mail services.

AutoSecure configures switches by disabling nonessential services, enforcing minimum password length, limiting failed logon attempts, and enabling secure logging, with interactive or non-interactive modes to minimize security vulnerabilities.

Enable global services to secure Cisco devices with auto secure configuration, encrypting passwords, restricting access, and logging security events, while supporting secure transport and local authentication for routers and switches.

Explore how the control plane protection feature extends policing for control plane traffic, enabling finer classification, port filtering, and q-thresholding using class-map and policy-map configurations.

Learn how access ports carry a single VLAN while trunk ports carry multiple VLANs using 802.1Q tagging, native VLAN, and allowed VLAN lists to manage interswitch traffic.

Tackle routing issues by verifying IP protocols, checking path selection with a hands-on router CLI, ARP and NDP details, and exploring routing protocols like BGP and OSPF.

MPLS uses labels to create virtual paths and forward packets based on label content, enabling a protocol-independent, scalable, end-to-end data service across diverse networks and transport mediums.