1. Protocols and APIs

1.1 IP collaboration signaling protocols

• 1.1.a SIP
• 1.1.b MGCP

1.2 Media Negotiation

• 1.2.a SDP Offer/Answer model
• 1.2.b SDP Early offer, delayed offer, early media
• 1.2.c SDP Payload type interworking

1.3 Media Path Optimization

• 1.3.a Interactive Connectivity Establishment (ICE)
• 1.3.b TURN and STUN

1.4 SIP headers

• 1.4.a Identity headers (Name, number, URI, Privacy)
• 1.4.b Route headers
• 1.4.c Diversion headers
• 1.4.d CallID, SessionID, and CiscoGUID

1.5 Media protocols

• 1.5.a RTP/RTCP, SRTP/SRTCP
• 1.5.b Binary Floor Control Protocol (BFCP)
• 1.5.c ActiveControl (iX)

1.6 DTMF relay

• 1.6.a In-band vs out-of-band
• 1.6.b RFC 2833
• 1.6.c Key Pad Markup Language (KPML)
• 1.6.d Unsolicited NOTIFY
• 1.6.e Interworking

1.7 Messaging protocols

• 1.7.a XMPP
• 1.7.b SIP/SIMPLE

1.8 Collaboration APIs

• 1.8.a Unified CM Administrative XML (AXL) API
• 1.8.b Webex REST API
• 1.8.c Cisco Meeting Server
• 1.8.d Unified CM User Data Service API
• 1.8.e Java Telephony Application Programming Interface (JTAPI)

1. Infrastructure and Quality of Services

2.1 Network services

• 2.1.a DHCP
• 2.1.b NTP
• 2.1.c DNS
• 2.1.d CDP/LLDP

2.2 Troubleshoot layer 2 and layer 3 network connectivity issues

2.3 Quality of Service for Collaboration applications and endpoints on LAN/WAN/WLAN (Cisco IOS-XE and AireOS)

• 2.3.a Identification
• 2.3.b Classification and marking
• 2.3.c Queuing and scheduling
• 2.3.d Congestion management

2.4 Troubleshoot voice and video quality issues

• 2.4.a Media stream packet loss, jitter, and latency
• 2.4.b Endpoint media quality metrics
• 2.4.c One-way or no-way media

2.5 Call Admission Control

• 2.5.a CUBE
• 2.5.b UCM
• 2.5.c Cisco Expressway Series

2.6 Certificate management

• 2.6.a CUBE
• 2.6.b UCM and IM&P
• 2.6.c Cisco Expressway Series
• 2.6.d Cisco Meeting Server

1. Call Control and Dial plan

3.1 Global dial plans

• 3.1.a Localization and globalization
• 3.1.b Numbering schemes
• 3.1.c Dialing habits
• 3.1.d Interdigit timeouts
• 3.1.e Calling privileges
• 3.1.f Number presentation

3.2 Fundamental dial plan features on Unified CM

• 3.2.a Partitions and calling search spaces
• 3.2.b Translation and transformation patterns
• 3.2.c Urgent priority
• 3.2.d Path selection

3.3 Advanced dial plan features on Unified CM

• 3.3.a Global dial plan replication
• 3.3.b Local route groups
• 3.3.c Emergency Location Groups

3.4 URI and domain-based routing

3.5 Unified CM telephony features

• 3.5.a Call Pickup
• 3.5.b Barge/privacy
• 3.5.c Native call queuing
• 3.5.d Busy Lamp Field (BLF)

3.6 Audio and video codec selection

3.7 SIP trunking

• 3.7.a SIP profiles
• 3.7.b SIP trunk security profiles
• 3.7.c Resiliency
• 3.7.d Mid-call signaling
• 3.7.e Session refresh

3.8 Securing SIP trunks on UCM

3.9 UDS in a multi-cluster environment

• 3.9.a Service discovery
• 3.9.b ILS
• 3.9.c User search
• 3.9.d LDAP proxy

3.10 Unified CM database replication

3.11 Dial plans on CUBE

• 3.11.a Inbound and outbound dial-peers
• 3.11.b Voice translation rules and profiles
• 3.11.c Dial-peer provisioning policy
• 3.11.d Destination server groups
• 3.11.e Destination dial-peer groups
• 3.11.f E.164 pattern maps
• 3.11.g URI-based dialing
• 3.11.h VRF-aware call routing

3.12 SIP-SRST and E-SRST

3.13 Dial plans on Expressway Series

• 3.13.a Transforms
• 3.13.b Search rules
• 3.13.c Zones

1. Endpoints and User Management

4.1 Hardware and software endpoint registration in a multi-cluster environment

• 4.1.a On-premise (local or proxy TFTP)
• 4.1.b Mobile and Remote Access (Service Discovery)
• 4.1.c Cloud

4.2 Mixed mode and Security By Default (SBD) on Unified CM

• 4.2.a Certificate Trust List (CTL) and Identity Trust List (ITL)
• 4.2.b Token-less
• 4.2.c Trust Verification Service (TVS)

4.3 Securing endpoints

4.4 Collaboration endpoints and infrastructure using IPv6

4.5 Endpoint features

• 4.5.a Directory integration and search
• 4.5.b Product specific configuration
• 4.5.c Multistream

4.6 User authentication and authorization

• 4.6.a Directory synchronization On-premise
• 4.6.b Directory synchronization Cloud
• 4.6.c Single-Sign-On (SSO)
• 4.6.d OAuth

4.7 Self-provisioning

1. Edge Services

5.1 ISDN PRI gateways

5.2 SIP trunks using CUBE

5.3 SIP normalization and SDP normalization

• 5.3.a Normalization and transparency scripts (Lua)
• 5.3.b Cisco IOS-XE SIP profiles

5.4 Securing SIP trunks on CUBE

• 5.4.a SRTP to RTP interworking
• 5.4.b SRTP pass-through
• 5.4.c SRTP to SRTP interworking

5.5 Stateful box-to-box redundancy on CUBE (Cisco IOS-XE)

5.6 Network and application level security on Cisco IOS-XE

• 5.6.a IP Trust List
• 5.6.b Call spike protection
• 5.6.c Media policing
• 5.6.d Call thresholds
• 5.6.e RTP port ranges
• 5.6.f Telephony denial of service attacks

5.7 Firewall traversal in a Collaboration solution

• 5.7.a Port numbers and transport
• 5.7.b NAT
• 5.7.c Web proxy servers
• 5.7.d Deep Packet Inspection considerations

5.8 Expressway Series traversal communications

• 5.8.a Traversal zones
• 5.8.b SSH tunnels
• 5.8.c Encryption interworking

5.9 Mobile and Remote Access (MRA)

5.10 Network and application level security on Expressway Series

• 5.10.a Toll fraud prevention (CPL)
• 5.10.b Zone authentication
• 5.10.c Automated intrusion protection
• 5.10.d Mutual TLS

5.11 Webex Edge and Webex Hybrid Services

• 5.11.a Extending cloud services using on premise resources
• 5.11.b Cloud service management

5.12 Third-party interoperability and federation

• 5.12.a Voice and video calling
• 5.12.b IM&P

1. Media Resources and Meetings

6.1 Media resources

• 6.1.a Transcoding and transrating
• 6.1.b MTP
• 6.1.c Music on hold (unicast and multicast)

6.2 Rendezvous conferencing

• 6.2.a Unified CM Conference Now
• 6.2.b Cisco Meeting Server Spaces

6.3 Ad-hoc conferencing

• 6.3.a Cisco IOS-XE conferencing
• 6.3.b Cisco Meeting Server

6.4 Scheduled meetings

• 6.4.a On-premise
• 6.4.b Cloud

6.5 CallBridge and WebBridge on Cisco Meeting Server

• 6.5.a Internal user access
• 6.5.b External user access

6.6 High availability on Cisco Meeting Server

6.7 Secure conferencing on Cisco Meeting Server

1. Collaboration Applications and Services

7.1 On premise IM&P servers and clients

7.2 Presence

• 7.2.a Busy Lamp Field (BLF)
• 7.2.b Soft client

7.3 IM&P server integration with external database for Persistent Chat and Group  Chat

7.4 Cisco Unity Connection voicemail integration

7.5 Cisco Unity Connection voicemail features

• 7.5.a Call and directory handlers
• 7.5.b Voicemail access from soft clients
• 7.5.c Video greetings and messaging

7.6 Cisco Unity Connection voicemail dial plan

• 7.6.a Partitions and search spaces
• 7.6.b Routing rules

7.7 Mobility features

• 7.7.a Mobile Connect (Single Number Reach)
• 7.7.b Device Mobility
• 7.7.c Mobile Identity
• 7.7.d Extend and Connect
• 7.7.e Extension Mobility

7.8 Extension Mobility Cross Cluster (EMCC)

• 7.8.a Emergency dialing considerations
• 7.8.b Certificate exchange

7.9 Audio and video call recording architectures

• 7.9.a SIP-based Media Recording (SIPREC)
• 7.9.b Network-Based Recording
• 7.9.c Built-in bridge
• 7.9.d CUBE Media Proxy
• 7.9.e Cisco Meeting Server

7.10 Secure call recording

7.11 Cisco Unified Contact Center Express (UCCX)

• 7.11.a Integration
• 7.11.b Scripting

7.12 Contact Center agent desktop (Finesse)