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Exam Information
Official specifications published by Cisco
Exam Format
50 min
40
Not publicly disclosed by Cisco
Entry-Level / Support Technician
Registration
$125 USD
Pearson VUE, CertiPort, or online proctoring
100-150 Exam Topics and Domains
100-150 is organized into 6 weighted domains. Expect to work with Cisco IOS, Layer 2 switches, Built-in OS utility, Cisco AnyConnect, and more.
1
Standards and Concepts
Not specified by vendor%
Identify the fundamental conceptual building blocks of networks
TCP/IP Model and OSI ModelFrames and PacketsAddressing Fundamentals
- Understand the TCP/IP and OSI reference models
- Differentiate between frames, packets, and segments
- Identify addressing schemes used in networks
Differentiate between bandwidth and throughput
Bandwidth ConceptsThroughput and Performance Metrics
- Distinguish bandwidth from throughput
- Understand latency and delay impacts on performance
- Compare speed test results with Iperf measurements
Differentiate between LAN, WAN, MAN, CAN, PAN, and WLAN
Network Types by GeographyNetwork Topologies
- Identify different network types based on scope and coverage
- Illustrate common physical and logical network topologies
- Understand appropriate use cases for each network type
Compare and contrast cloud and on-premises applications and services
Cloud Deployment ModelsCloud Service ModelsRemote Work and Hybrid Work
- Differentiate between cloud deployment models
- Identify appropriate cloud service models for different needs
- Understand networking requirements for remote and hybrid work
Describe common network applications and protocols
Transport Layer ProtocolsFile Transfer ProtocolsWeb and Application ProtocolsNetwork Services Protocols
- Compare TCP and UDP characteristics and use cases
- Identify appropriate file transfer protocols based on security requirements
- Understand common network service protocols and their functions
2
Addressing and Subnet Formats
Not specified by vendor%
Compare and contrast private addresses and public addresses
IPv4 Address ClassesPrivate vs Public IP AddressesNAT Concepts
- Differentiate between private and public IP addresses
- Identify IPv4 address classes and their default masks
- Understand NAT operation and use cases
Identify IPv4 addresses and subnet formats
Subnetting ConceptsCIDR Notation and Slash NotationBroadcast DomainsSubnet Calculator Usage
- Calculate subnet information from IP address and mask
- Convert between decimal and CIDR notation
- Identify network, host, and broadcast addresses
- Use subnet calculators to verify addressing schemes
Identify IPv6 addresses and prefix formats
IPv6 Address TypesIPv6 Prefix FormatsIPv6 Prefix Concepts
- Identify different IPv6 address types and their purposes
- Understand IPv6 notation and address compression
- Recognize standard IPv6 prefix formats and their meanings
3
Endpoints and Media Types
Not specified by vendor%
Identify cables and connectors commonly used in local area networks
Cable TypesConnector Types
- Identify common network cable types and their characteristics
- Match appropriate connectors to cable types
- Understand cable specifications and limitations
Differentiate between Wi-Fi, cellular, and wired network technologies
Copper Cable CharacteristicsFiber Optic TechnologyWireless 802.11 StandardsCellular TechnologiesInterference Sources
- Compare wired and wireless technologies
- Identify sources of interference for different media types
- Understand characteristics of Wi-Fi and cellular technologies
Describe endpoint devices
IoT DevicesComputing DevicesNetwork-Attached Devices
- Identify different types of endpoint devices
- Understand networking requirements for various endpoints
- Recognize IoT devices and their unique characteristics
Demonstrate how to set up and check network connectivity
Windows Network ConfigurationLinux Network ConfigurationmacOS Network ConfigurationMobile Device ConfigurationTroubleshooting CommandsWireless Client Settings
- Configure network settings on Windows, Linux, macOS, Android, and iOS
- Use appropriate troubleshooting commands for different operating systems
- Set up wireless client connections with proper security settings
4
Infrastructure
Not specified by vendor%
Identify the status lights on a Cisco device
Link Light Colors and Status
- Interpret Cisco device LED status indicators
- Identify normal and abnormal link light patterns
- Troubleshoot connectivity issues using LED indicators
Use a network diagram to attach appropriate cables
Physical Topology ImplementationSmall Network TopologiesPower and Rack Layout
- Interpret network diagrams to determine proper cabling
- Plan small network topologies
- Understand rack layout and power considerations
Identify various ports on network devices
Management and Console PortsData PortsSpecial Function Ports
- Identify different types of ports on Cisco network devices
- Understand the purpose of console, serial, and management ports
- Recognize SFP modules and their installation
Explain basic routing concepts
Default GatewayLayer 2 vs Layer 3 SwitchesLocal vs Remote Networks
- Understand the role of the default gateway
- Differentiate between Layer 2 and Layer 3 switching
- Explain how devices determine local vs remote destinations
Explain basic switching concepts
MAC Address TablesMAC Address FilteringVLANs
- Understand how switches build and use MAC address tables
- Explain MAC address filtering and port security concepts
- Describe VLAN functionality and benefits
5
Diagnosing Problems
Not specified by vendor%
Demonstrate effective troubleshooting methodologies and help desk best practices
Ticketing SystemsDocumentation Best PracticesInformation GatheringPolicies and ProceduresPrioritization
- Apply systematic troubleshooting methodologies
- Follow help desk best practices for customer service
- Properly document issues and resolutions
- Prioritize issues based on business impact
Perform packet capture with Wireshark
Packet Analyzer PurposePCAP File Operations
- Understand the purpose of packet capture tools
- Perform basic packet captures with Wireshark
- Save and open .pcap files for analysis
Run basic diagnostic commands and interpret results
Ping CommandIP Configuration CommandsTraceroute/TracertDNS Lookup CommandsFirewall Influence on Diagnostic Results
- Use ping to test connectivity and measure latency
- Display IP configuration using appropriate OS commands
- Trace network paths with traceroute/tracert
- Troubleshoot DNS issues with nslookup
- Understand how firewalls affect diagnostic command results
Differentiate between ways to access and collect data about network devices
Remote Access MethodsVPN (Virtual Private Network)Terminal EmulatorsConsole AccessNetwork Management SystemsCloud-Managed NetworksScripts and Automation
- Identify appropriate methods to access network devices remotely
- Understand VPN usage for secure remote access
- Use terminal emulators for device management
- Recognize the benefits of cloud-managed networks like Meraki
- Understand basic concepts of network automation with scripts
Run basic show commands on Cisco network devices
Configuration Display CommandsNeighbor Discovery CommandsInterface Status CommandsRouting Information CommandsDevice Information CommandsInventory CommandsSwitch-Specific CommandsPrivilege Levels and Command Help
- Execute basic Cisco IOS show commands
- Interpret output from common show commands
- Navigate Cisco IOS privilege levels
- Use command help and auto-complete features effectively
6
Security
Not specified by vendor%
Describe how firewalls operate to filter traffic
Firewall BasicsBlocked Ports and ProtocolsFirewall Rules and Policies
- Explain how firewalls filter network traffic
- Understand permit and deny rules
- Identify commonly blocked ports and protocols
Describe foundational security concepts
CIA TriadAAA FrameworkMulti-Factor Authentication (MFA)Encryption and CertificatesPassword ComplexityIdentity StoresThreats and VulnerabilitiesCommon Attack Types
- Explain the CIA triad and AAA framework
- Understand the importance and implementation of MFA
- Describe encryption and certificate usage
- Define password complexity requirements
- Identify common security threats including spam, phishing, malware, and DoS
Configure basic wireless security on a home router
Wireless Security ProtocolsPersonal vs Enterprise Wireless SecurityWireless Security Configuration
- Differentiate between WPA, WPA2, and WPA3
- Choose between Personal and Enterprise wireless security modes
- Configure basic wireless security on a home router
How do I earn this certification?
Passing 100-150 earns the Cisco Certified Support Technician (CCST) Networking certification. It sits in the Networking Fundamentals track.
Current Level Exams
Next Level Options
- 200-301 - CCNANatural progression from CCST to associate-level networking certification
- 200-201 - CBROPSFor those interested in security operations and SOC analyst roles
Alternative Paths
- 200-901 - DEVASCFor those interested in network automation and programmability
- 100-160 - CCST CybersecurityComplementary entry-level cybersecurity knowledge
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
Use the official PlanetCert Practice Test alongside the study plan below to prepare efficiently for 100-150.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2023
- Announcement date: 2022-08-01
Updates
- Wi-Fi 6 (802.11ax) and Wi-Fi 6E Current Covered in Domain 3 (Endpoints and Media Types) with focus on frequency bands (2.4GHz, 5GHz, 6GHz) • Release date: 2021
- IPv6 Current standard Significant coverage in Domain 2 (Addressing and Subnet Formats) including address types and prefix formats • Release date: 1998 (RFC 2460)
- Cloud-Managed Networking (Cisco Meraki) Current Covered in Domain 5 (Diagnosing Problems) as a network device access method • Release date: Ongoing
- WPA3 Wireless Security WPA3 Covered in Domain 6 (Security) for wireless security configuration • Release date: 2018