Cisco 300-820 Exam Topics

1.1 Describe the complications of NAT in a Collaboration environment

1.2 Describe the purpose of ICE, TURN and STUN

1.3 Describe Expressway media traversal

1.4 Describe protocol interworking on the Expressway

• 1.4.a SIP < > H.323
• 1.4.b IPv4 and IPv6

1.5 Describe Expressway Licensing

• 1.5.a Option keys
• 1.5.b Release key
• 1.5.c License consumption

1.6 Describe SIP media encryption mode

• 1.6.a Auto
• 1.6.b Force encrypted
• 1.6.c Force unencrypted
• 1.6.d Best effort

1.7 Describe Expressway Core dial plan elements

• 1.7.a Transforms
• 1.7.b Search rules
• 1.7.c Zones
• 1.7.d Regular expressions
• 1.7.e Pipes and links

1.8 Describe key Expressway settings

• 1.8.a DNS
• 1.8.b Network interfaces
• 1.8.c Certificates
• 1.8.d QoS
• 1.8.e Clustering
• 1.8.f Network firewall rules

1.9 Describe Expressway backup and restore procedure (stand alone and cluster)

2.1 Configure key Expressway settings

• 2.1.a DNS
• 2.1.b Network interfaces
• 2.1.c Certificates
• 2.1.d QoS
• 2.1.e Clustering
• 2.1.f Network firewall rules

2.2 Configure Expressway Core dial plan elements

• 2.2.a Transforms
• 2.2.b Search rules
• 2.2.c Zones
• 2.2.d Regular expressions
• 2.2.e Pipes and links

2.3 Configure toll fraud prevention on Expressway series (no custom CPL scripts)

2.4 Configure a Business to Business (B2B) collaboration solution

• 2.4.a DNS records (focus on Microsoft DNS)
• 2.4.b Certificates (focus on Microsoft CA)
• 2.4.c Traversal Zones
• 2.4.d Neighbor Zones
• 2.4.e Transforms
• 2.4.f Search rules
• 2.4.g SIP trunk integration with Cisco Unified Communications Manager

2.5 Troubleshoot a Business to Business (B2B) collaboration solution

• 2.5.a DNS records (focus on Microsoft DNS)
• 2.5.b Certificates (focus on Microsoft CA)
• 2.5.c Traversal Zones
• 2.5.d Neighbor Zones
• 2.5.e Transforms
• 2.5.f Search rules
• 2.5.g SIP trunk integration with Cisco Unified Communications Manager

3.1 Configure a Mobile and Remote Access (MRA) solution

• 3.1.a DNS records types (not platform-specific)
• 3.1.b Certificates (not platform specific, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
• 3.1.c Unified Communications traversal zones
• 3.1.d Unified Communications configuration on Expressway
• 3.1.e HTTP allow list
• 3.1.f SIP trunk security profile on Cisco Unified Communications Manager

3.2 Troubleshoot a Mobile and Remote Access (MRA) solution

• 3.2.a DNS records (focus on Microsoft DNS)
• 3.2.b Certificates (focus on Microsoft CA, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
• 3.2.c Unified Communications traversal zones
• 3.2.d Unified Communications configuration on Expressway
• 3.2.e HTTP allow list
• 3.2.f SIP trunk security profile on Cisco Unified Communications Manager

4.1 Describe the signaling and media flows used in a Cisco WebEx Video Mesh deployment

4.2 Configure WebEx Hybrid Services/Connector

• 4.2.a Calendar Service (Office 365, Microsoft Exchange, One Button to Push)
• 4.2.b Message Service (Deployment requirements; expressway requirements, certificates, Call Manager pre-requisites, IM&P prerequisites, deployment models)
• 4.2.c Directory Services (Deployment requirements; deployment models, infrastructure requirements, active directory configuration, synchronization, WebEx user service assignment)
• 4.2.d Video Mesh (Deployment requirements including; bandwidth, clustering, endpoint support, video call capacity, ports and protocols, deployment    models)

4.3 Describe Cisco Jabber for Cloud and Hybrid deployments with Cisco WebEx Messenger