- Supporting QoS
- Classifying networks: LAN, WAN
- Packet
- Circuit
- Wired
- Wireless
- Standardising data communications
- Constructing Networks Using Data Links
Encoding information
- Defining bits, bytes and packets
- Taking advantage of digital encoding
Improving efficiency with error control
- Detecting and correcting errors
- Using ACKs and feedback error correction
Identifying media types and challenges
- Selecting copper cable types, Cat-5e and better
- Benefiting from fibre optics
Employing wireless links
- Utilising radio frequencies and bands
- Managing interference and noise
Examining 802 LAN standards
- Forwarding with MAC addresses
- 1 Mb/s to 100 GB/s
- Contrasting shared and switched LANs
Investigating Ethernet operations
- Dissecting Etherswitch operation
- Adding QoS to Ethernet
- Comparing Layer 2 and Layer 3 switching
- Harnessing Wi-Fi for User Mobility
Communicating via radio waves
- Types of Wi-Fi networks: a, b, g, n and ac
- Capitalising on instant infrastructure and mobility
Integrating Wi-Fi operations
- Verifying accurate transmission
- Boosting speed and range with 802.11n and 802.11ac
- Providing QoS for voice and multimedia
Deploying Access Points (AP)
- Forwarding traffic via the AP
- Leveraging dual-band APs
- Utilising Service Set Identifiers (SSIDs)
- Building Internetworks Using TCP/IP and Routers
TCP/IP: A practical protocol suite
- Employing TCP for data and UDP for voice and video
- Maximising TCP/IP's multiple applications and utilities
- Streamlining data and VoIP traffic
IP addressing and datagrams
- Increasing efficiency with addressing schemes
- Interpreting net-prefixes and subnet masks
How routers operate
- Relaying traffic with NetID and routing tables
- Discovering paths with routing protocols
- Upgrading routers for QoS
- Implementing Security Best Practices
Virtual Private Networks (VPNs)
- Authenticating users
- Enabling VPN encrypted tunnels
- Verifying information integrity and source
Benchmarking risks and deploying countermeasures
- Analysing threats and security requirements
- Achieving confidentiality with encryption
- Implementing L2 and L3 tunnels
- Adopting digital certificates and signatures
Ensuring LAN security
- Wi-Fi security: WPA, WPA2, 802.11i, AES
- Isolating workgroups with VLANs
- Deploying firewalls
- Creating Enterprise Networks
Employing telecom circuits
- Circuit-switching data streams
- E1 and T1 leased lines
Facilitating intersite communications
- Choosing xDSL options
- LAN Extension Services (LES) and Metro-Ethernet
Selecting scalable networking services
- Multiprotocol Label Switching (MPLS)
- Software-defined networks
- Cloud computing and services
