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Cisco ICND1 100-105

100-105

Exam Code: 100-105

Exam Name: Cisco Interconnecting Cisco Networking Devices Part 1 (ICND1 v3.0)

Updated: Jul 27, 2026

Q & A: 832 Questions and Answers

100-105 Free Demo download:

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100-105 PDF Price: $129.00  $59.99


About Cisco 100-105 Exam

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What are the format, duration, questions, language, and passing scores of Cisco 100-105 Exam

The format of the 100-105 exam is multiple-choice. The duration of the test is 1 hour and 20 minutes. The language of the test is English. The number of questions included in the exam is 125. A candidate has to score 750 out of 1000 in order to pass the Cisco 100-105 exam with help of this website.

Reference: http://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/100-105-icnd1.html

Cisco 100-105 Exam Topics:

SectionWeightObjectives
Network Fundamentals20%1 Compare and contrast OSI and TCP/IP models

2 Compare and contrast TCP and UDP protocols

3 Describe the impact of infrastructure components in an enterprise network
a) Firewalls
b) Access points
c) Wireless controllers

4 Compare and contrast collapsed core and three-tier architectures

5 Compare and contrast network topologies
a) Star
b) Mesh
c) Hybrid

6 Select the appropriate cabling type based on implementation requirements

7 Apply troubleshooting methodologies to resolve problems
a) Perform fault isolation and document
b) Resolve or escalate
c) Verify and monitor resolution

8 Configure, verify, and troubleshoot IPv4 addressing and subnetting

9 Compare and contrast IPv4 address types
a)Unicast
b) Broadcast
c)Multicast

10 Describe the need for private IPv4 addressing

11 Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment

12 Configure, verify, and troubleshoot IPv6 addressing

13 Configure and verify IPv6 Stateless Address Auto Configuration

14 Compare and contrast IPv6 address types
a) Global unicast
b) Unique local
c) Link local
d)Multicast
e) Modified EUI 64
f)Autoconfiguration
g)Anycast
Infrastructure Maintenance14%1 Configure and verify device-monitoring using syslog

2 Configure and verify device management
a) Backup and restore device configuration
b) Using Cisco Discovery Protocol and LLDP for device discovery
c) Licensing
d) Logging
e)Timezone
f)Loopback

3 Configure and verify initial device configuration

4 Configure, verify, and troubleshoot basic device hardening
a) Local authentication
b) Secure password
c) Access to device
c. [i] Source address
c. [ii] Telnet/SSH
d) Login banner

5 Perform device maintenance
a) Cisco IOS upgrades and recovery (SCP, FTP, TFTP, and MD5 verify)
b) Password recovery and configuration register
c) File system management

6 Use Cisco IOS tools to troubleshoot and resolve problems
a) Ping and traceroute with extended option
b) Terminal monitor
c) Log events
Routing Fundamentals25%1 Describe the routing concepts
a) Packet handling along the path through a network
b) Forwarding decision based on route lookup
c) Frame rewrite

2 Interpret the components of routing table
a) Prefix
b) Network mask
c) Next hop
d) Routing protocol code
e) Administrative distance
f) Metric
g) Gateway of last resort

3 Describe how a routing table is populated by different routing information sources
a) Admin distance

4 Configure, verify, and troubleshoot inter-VLAN routing
a) Router on a stick

5 Compare and contrast static routing and dynamic routing

6 Configure, verify, and troubleshoot IPv4 and IPv6 static routing
a) Default route
b) Network route
c) Host route
d) Floating static

7 Configure, verify, and troubleshoot RIPv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution)
Infrastructure Services15%1 Describe DNS lookup operation

2 Troubleshoot client connectivity issues involving DNS

3 Configure and verify DHCP on a router (excluding static reservations)
a) Server
b) Relay
c) Client
d) TFTP, DNS, and gateway options

4 Troubleshoot client- and router-based DHCP connectivity issues

5 Configure and verify NTP operating in client/server mode

6 Configure, verify, and troubleshoot IPv4 standard numbered and named access list for routed interfaces

7 Configure, verify, and troubleshoot inside source NAT
a) Static
b) Pool
c) PAT
LAN Switching Fundamentals26%1 Describe and verify switching concepts
a) MAC learning and aging
b) Frame switching
c) Frame flooding
d) MAC address table

2 Interpret Ethernet frame format

3 Troubleshoot interface and cable issues (collisions, errors, duplex, speed)

4 Configure, verify, and troubleshoot VLANs (normal range) spanning multiple switches
a) Access ports (data and voice)
b) Default VLAN

5 Configure, verify, and troubleshoot interswitch connectivity
a) Trunk ports
b) 802.1Q
c) Native VLAN

6 Configure and verify Layer 2 protocols
a) Cisco Discovery Protocol
b)LLDP

7 Configure, verify, and troubleshoot port security
a) Static
b) Dynamic
c) Sticky
d) Max MAC addresses
e) Violation actions
f) Err-disable recovery

How much is the cost of the Cisco 100-105 Exam

The cost of the Cisco 100-105 exam is $330 USD. You can take the exam payment by using a credit card or PayPal payment option. CCIE Routing and Switching certification is the most popular certification offered by Cisco.

The Importance of Cisco 100-105 Exam

Network engineers are recognized for their expertise in the networking field. This certification demonstrates competence in operating Cisco IOS Software, troubleshooting equipment, and managing the networks. The exam is recognized by many companies for recruitment purposes. This Cisco certification can help you find a job at any of your desired companies. Decided to pass this Cisco Network Programmer 100-105 exam? You can get your certification valid for 1 year. If you are aiming for the same, you can apply for Cisco 100-105 certification by clicking on the below-mentioned link. Accommodate your time with the following points to pass the exam with flying colors.

You can take help of this course, but it is done for practice purposes only. Subnets are divided into three categories, which are local, Internet, and access/backbone networks. Subnetting is the process of dividing a network into more manageable networks. Network engineers are responsible for ensuring that the bandwidth on their networks is not exceeded. Types of subnets are the subnet host, subnet network, subnet broadcast, and subnetwork. Premium Subnetting, a subnetting technique that defines a classful network as a collection of logical networks. It provides a maximum number of hosts for an IP address. Addition of prefixes to the network address.

The Cisco 100-105 exam focuses on internetworking technologies, control protocols, routing algorithms, and implementations of advanced protocols. Core technology subjects are TCP/IP protocol specifications, interface configuration, troubleshooting routing operations, and troubleshooting interface logic. Class A IP addresses use the first octet to represent the network portion of the IP address, while class B IP addresses use the first two octets which are all included in Cisco 100-105 Dumps. IPv4 supports a maximum of 16 million subnets. Determine the number of subnets and hosts available based on the number of bits in an octet. The address range for a class B IP address is 128, 191. Class A addresses use the first octet, and class B addresses use the first two octets.

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