交换 [642-812] - BCMSN (Building Cisco Multilayer Switched Networks)                   6 days

安全 [642-825] - ISCW (Implementing Secure Converged Wide-Area Networks)               6 days

优化 [642-845] - ONT (Optimizing Converged Cisco Networks )                                 4 days

1.1. DHCP/EIGRP-1

1.2. EIGRP-2

1.3. OSPF-1

1.4. OSPF-2

1.5. OSPF-3

2.1. OSPF-4

2.2. ISIS

2.3. Redistribute/Route-map

2.4. BGP-1

2.5. BGP-2

3.1. BGP-3

3.2. Multicast-1

3.3. Multicast-2/ IPv6-1
3.4. IPv6-2

3.5. VLAN/TRUNK/VTP

4.1. STP

4.2. RSTP/MSTP/ Ether Channel

4.3. MLS/CEF/Router on a Stick

4.4. Proxy ARP/HSRP/VRRP/GLBP

4.5. Switch Security

5.1. WLAN/DSL/PPPoE/PAT

5.2. MPLS VPN

5.3. IPsec VPN-1

5.4. IPsec VPN-2

5.5. Cisco Device Hardening

6.1. AAA/Firewall/IPS

6.2. VoIP

6.3. QoS-1

6.4. QoS-2