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CISCO

Cisco Certified Support Technician (CCST) Networking

100-150

The Cisco Certified Support Technician (CCST) Networking certification validates entry-level networking skills and knowledge, covering how networks operate, including the devices, media, and protocols that enable network communications. It is designed for individuals starting their IT careers, preparing them for roles like network support technician or help desk technician. Earning this certification also serves as a first step toward the CCNA certification, providing a solid foundation for further advancement.

Practice Free Questions

894 practice questions · Updated 2026-07-30

6Domains
25Objectives
159Concepts
894Questions

100-150 Curriculum

Every domain, objective, and concept the 100-150 exam measures.

1.1. Identify the fundamental conceptual building blocks of networks.

6 concepts · 34 questions
  1. TCP/IP model
  2. OSI model
  3. Comparison of TCP/IP and OSI models
  4. Frames
  5. Packets
  6. Addressing

1.2. Differentiate between bandwidth and throughput.

5 concepts · 41 questions
  1. Bandwidth vs. Throughput
  2. Factors Affecting Throughput
  3. Latency and Delay
  4. Measuring Throughput with Speed Tests
  5. Measuring Throughput with Iperf

1.3. Differentiate between LAN, WAN, MAN, CAN, PAN, and WLAN.

4 concepts · 28 questions
  1. LAN vs WAN vs MAN vs CAN vs PAN vs WLAN definitions
  2. Network type characteristics and use cases
  3. Physical topologies
  4. Logical topologies

1.4. Compare and contrast cloud and on-premises applications and services.

8 concepts · 47 questions
  1. Cloud vs. on-premises deployment models
  2. Public cloud
  3. Private cloud
  4. Hybrid cloud
  5. Software as a Service (SaaS)
  6. Platform as a Service (PaaS)
  7. Infrastructure as a Service (IaaS)
  8. Remote work and hybrid work models

1.5. Describe common network applications and protocols.

10 concepts · 46 questions
  1. TCP vs. UDP
  2. FTP
  3. SFTP
  4. TFTP
  5. HTTP
  6. HTTPS
  7. DHCP
  8. DNS
  9. ICMP
  10. NTP

2.1. Compare and contrast private addresses and public addresses.

5 concepts · 36 questions
  1. Private IP Addresses
  2. Public IP Addresses
  3. Address Classes
  4. NAT Concepts
  5. Comparison of Private and Public Addresses

2.2. Identify IPv4 addresses and subnet formats.

5 concepts · 38 questions
  1. Subnet concepts
  2. Subnet mask
  3. Slash notation
  4. Subnet calculator
  5. Broadcast domain

2.3. Identify IPv6 addresses and prefix formats.

3 concepts · 25 questions
  1. IPv6 Address Types
  2. IPv6 Prefix Format
  3. IPv6 Address Representation

3.1. Identify cables and connectors commonly used in local area networks.

7 concepts · 27 questions
  1. Fiber optic cable types
  2. Copper cable types
  3. Twisted pair cable categories
  4. Coaxial cable and connectors
  5. RJ-45 connector
  6. RJ-11 connector
  7. Fiber optic connector types

3.2. Differentiate between Wi-Fi, cellular, and wired network technologies.

8 concepts · 38 questions
  1. Copper cabling basics
  2. Interference in copper cabling
  3. Fiber optic technology
  4. Wireless 802.11 standards
  5. Wireless interference sources
  6. Cellular technology basics
  7. Cellular interference sources
  8. Comparing Wi-Fi, cellular, and wired

3.3. Describe endpoint devices.

6 concepts · 29 questions
  1. IoT devices
  2. Computers
  3. Mobile devices
  4. IP Phone
  5. Printer
  6. Server

3.4. Demonstrate how to set up and check network connectivity on Windows, Linux, Mac OS, Android, and Apple iOS.

11 concepts · 50 questions
  1. Network connectivity setup on Windows
  2. Network connectivity setup on Linux
  3. Network connectivity setup on macOS
  4. Network connectivity setup on Android
  5. Network connectivity setup on Apple iOS
  6. Networking utilities on Windows
  7. Networking utilities on Linux
  8. Networking utilities on Android
  9. Networking utilities on Apple operating systems
  10. Running troubleshooting commands
  11. Wireless client settings

4.1. Identify the status lights on a Cisco device when given instruction by an engineer.

3 concepts · 29 questions
  1. Link light color meanings
  2. Link light status (solid vs. blinking)
  3. Interpreting link lights for troubleshooting

4.2. Use a network diagram provided by an engineer to attach the appropriate cables.

6 concepts · 39 questions
  1. Reading network diagrams
  2. Selecting patch cables
  3. Connecting switches and routers
  4. Cabling small topologies
  5. Powering devices
  6. Rack layout and cable management

4.3. Identify the various ports on network devices.

7 concepts · 38 questions
  1. Console port
  2. Serial port
  3. Fiber port
  4. Ethernet ports
  5. SFPs (Small Form-factor Pluggable)
  6. USB port
  7. PoE (Power over Ethernet)

4.4. Explain basic routing concepts.

3 concepts · 20 questions
  1. Default Gateway
  2. Layer 2 vs. Layer 3 Switches
  3. Local Network vs. Remote Network

4.5. Explain basic switching concepts.

3 concepts · 32 questions
  1. MAC address table operation
  2. MAC address filtering
  3. VLAN fundamentals

5.1. Demonstrate effective troubleshooting methodologies and help desk best practices, including ticketing, documentation, and information gathering.

7 concepts · 46 questions
  1. Troubleshooting methodologies
  2. Help desk best practices
  3. Ticketing systems and processes
  4. Documentation standards
  5. Information gathering techniques
  6. Prioritization of issues
  7. Policies and procedures adherence

5.2. Perform a packet capture with Wireshark and save it to a file.

4 concepts · 37 questions
  1. Purpose of a packet analyzer
  2. Performing a packet capture
  3. Saving a packet capture to a .pcap file
  4. Opening a .pcap file

5.3. Run basic diagnostic commands and interpret the results.

9 concepts · 39 questions
  1. ping basics
  2. ping results interpretation
  3. ipconfig/ifconfig/ip basics
  4. ip address and interface status
  5. tracert/traceroute basics
  6. traceroute results interpretation
  7. nslookup basics
  8. nslookup results interpretation
  9. firewall influence on diagnostic commands

5.4. Differentiate between different ways to access and collect data about network devices.

7 concepts · 37 questions
  1. Remote Access Protocols
  2. VPN Access
  3. Terminal Emulators
  4. Console Access
  5. Network Management Systems
  6. Cloud-Managed Networks
  7. Scripts for Data Collection

5.5. Run basic show commands on a Cisco network device.

13 concepts · 26 questions
  1. show run
  2. show cdp neighbors
  3. show ip interface brief
  4. show ip route
  5. show version
  6. show inventory
  7. show switch
  8. show mac address-table
  9. show interface
  10. show interface x
  11. show interface status
  12. privilege levels
  13. command help and auto-complete

6.1. Describe how firewalls operate to filter traffic.

6 concepts · 27 questions
  1. Firewall basics
  2. Traffic filtering by ports
  3. Traffic filtering by protocols
  4. Firewall rules
  5. Default deny vs. default allow
  6. Rule evaluation order

6.2. Describe foundational security concepts.

10 concepts · 50 questions
  1. CIA Triad
  2. AAA Framework
  3. Multifactor Authentication (MFA)
  4. Encryption and Certificates
  5. Password Complexity
  6. Identity Stores and Active Directory
  7. Threats and Vulnerabilities
  8. Spam and Phishing
  9. Malware
  10. Denial of Service (DoS)

6.3. Configure basic wireless security on a home router (WPAx).

3 concepts · 35 questions
  1. WPA, WPA2, WPA3
  2. Personal vs. Enterprise
  3. Wireless Security Concepts
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Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for 100-150, so none is invented.