CCENT Exam 100-105: Interconnecting Cisco Networking Devices Part 1 (ICND1)

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Last date to test: February 23, 2020

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CCENT 100-105 ICND1 Exam Info

The 100-105 Interconnecting Cisco Networking Devices Part 1 (ICND1) is the exam associated with the CCENT certification and the first step in achieving the CCNA Routing and Switching certification. This exam tests a candidate’s knowledge and skills related to network fundamentals, LAN switching technologies, routing technologies, infrastructure services, and infrastructure maintenance.

CCENT 100-105 ICND1 Exam Topics

1.0 Network Fundamentals

  • 1.1 Compare and contrast OSI and TCP/IP models
  • 1.2 Compare and contrast TCP and UDP protocols
  • 1.3 Describe the impact of infrastructure components in an enterprise network
    • 1.3.a Firewalls
    • 1.3.b Access points
    • 1.3.c Wireless controllers
  • 1.4 Compare and contrast collapsed core and three-tier architectures
  • 1.5 Compare and contrast network topologies
    • 1.5.a Star
    • 1.5.b Mesh
    • 1.5.c Hybrid
  • 1.6 Select the appropriate cabling type based on implementation requirements
  • 1.7 Apply troubleshooting methodologies to resolve problems
    • 1.7.a Perform fault isolation and document
    • 1.7.b Resolve or escalate
    • 1.7.c Verify and monitor resolution
  • 1.8 Configure, verify, and troubleshoot IPv4 addressing and subnetting
  • 1.9 Compare and contrast IPv4 address types
    • 1.9.a Unicast
    • 1.9.b Broadcast
    • 1.9.c Multicast
  • 1.10 Describe the need for private IPv4 addressing
  • 1.11 Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment
  • 1.12 Configure, verify, and troubleshoot IPv6 addressing
  • 1.13 Configure and verify IPv6 Stateless Address Auto Configuration
  • 1.14 Compare and contrast IPv6 address types
    • 1.14.a Global unicast
    • 1.14.b Unique local
    • 1.14.c Link local
    • 1.14.d Multicast
    • 1.14.e Modified EUI 64
    • 1.14.f Autoconfiguration
    • 1.14.g Anycast

2.0 LAN Switching Fundamentals

  • 2.1 Describe and verify switching concepts
    • 2.1.a MAC learning and aging
    • 2.1.b Frame switching
    • 2.1.c Frame flooding
    • 2.1.d MAC address table
  • 2.2 Interpret Ethernet frame format
  • 2.3 Troubleshoot interface and cable issues (collisions, errors, duplex, speed)
  • 2.4 Configure, verify, and troubleshoot VLANs (normal range) spanning multiple switches
    • 2.4.a Access ports (data and voice)
    • 2.4.b Default VLAN
  • 2.5 Configure, verify, and troubleshoot interswitch connectivity
    • 2.5.a Trunk ports
    • 2.5.b 802.1Q
    • 2.5.c Native VLAN
  • 2.6 Configure and verify Layer 2 protocols
    • 2.6.a Cisco Discovery Protocol
    • 2.6.b LLDP
  • 2.7 Configure, verify, and troubleshoot port security
    • 2.7.a Static
    • 2.7.b Dynamic
    • 2.7.c Sticky
    • 2.7.d Max MAC addresses
    • 2.7.e Violation actions
    • 2.7.f Err-disable recovery

3.0 Routing Fundamentals

  • 3.1 Describe the routing concepts
    • 3.1.a Packet handling along the path through a network
    • 3.1.b Forwarding decision based on route lookup
    • 3.1.c Frame rewrite
  • 3.2 Interpret the components of routing table
    • 3.2.a Prefix
    • 3.2.b Network mask
    • 3.2.c Next hop
    • 3.2.d Routing protocol code
    • 3.2.e Administrative distance
    • 3.2.f Metric
    • 3.2.g Gateway of last resort
  • 3.3 Describe how a routing table is populated by different routing information sources
    • 3.3.a Admin distance
  • 3.4 Configure, verify, and troubleshoot inter-VLAN routing
    • 3.4.a Router on a stick
  • 3.5 Compare and contrast static routing and dynamic routing
  • 3.6 Configure, verify, and troubleshoot IPv4 and IPv6 static routing
    • 3.6.a Default route
    • 3.6.b Network route
    • 3.6.c Host route
    • 3.6.d Floating static
  • 3.7 Configure, verify, and troubleshoot RIPv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution)

4.0 Infrastructure Services

  • 4.1 Describe DNS lookup operation
  • 4.2 Troubleshoot client connectivity issues involving DNS
  • 4.3 Configure and verify DHCP on a router (excluding static reservations)
    • 4.3.a Server
    • 4.3.b Relay
    • 4.3.c Client
    • 4.3.d TFTP, DNS, and gateway options
  • 4.4 Troubleshoot client- and router-based DHCP connectivity issues
  • 4.5 Configure and verify NTP operating in client/server mode
  • 4.6 Configure, verify, and troubleshoot IPv4 standard numbered and named access list for routed interfaces
  • 4.7 Configure, verify, and troubleshoot inside source NAT
    • 4.7.a Static
    • 4.7.b Pool
    • 4.7.c PAT

5.0 Infrastructure Maintenance

  • 5.1 Configure and verify device-monitoring using syslog
  • 5.2 Configure and verify device management
    • 5.2.a Backup and restore device configuration
    • 5.2.b Using Cisco Discovery Protocol and LLDP for device discovery
    • 5.2.c Licensing
    • 5.2.d Logging
    • 5.2.e Timezone
    • 5.2.f Loopback
  • 5.3 Configure and verify initial device configuration
  • 5.4 Configure, verify, and troubleshoot basic device hardening
    • 5.4.a Local authentication
    • 5.4.b Secure password
    • 5.4.c Access to device
    • 5.4.c. [i] Source address
    • 5.4.c. [ii] Telnet/SSH
    • 5.4.d Login banner
  • 5.5 Perform device maintenance
    • 5.5.a Cisco IOS upgrades and recovery (SCP, FTP, TFTP, and MD5 verify)
    • 5.5.b Password recovery and configuration register
    • 5.5.c File system management
  • 5.6 Use Cisco IOS tools to troubleshoot and resolve problems
    • 5.6.a Ping and traceroute with extended option
    • 5.6.b Terminal monitor
    • 5.6.c Log events