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Config Lab Challenge 2 (VTP)
Your company decided to implement four new switches as shown in the topology. Your task is to configure VTP on these switches. Please follow the instructions below to complete this task. Suppose...
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WAN Tutorial
Unlike LAN which is used effectively in relatively small geographic areas, WAN services help connect networks at a broad geographic distance, from a few to thousands of kilometers. Let’s see the...
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Point to Point Protocol (PPP) Tutorial
Point-to-Point Protocol (PPP) is an open standard protocol that is mostly used to provide connections over point-to-point serial links. The main purpose of PPP is to transport Layer 3 packets over a...
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Checking Lab Challenge 3 (VTP, STP, EtherChannel)
You are tasked to check the network configuration of a new company and answer some related questions. This company has four switches connected as shown in the topology below. This is the link to access...
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Checking Lab Challenge 4 (VTP, STP, EtherChannel, NAT, OSPF, HSRP)
Introduction You are tasked to check the network configuration of a new company and answer some related questions. This company has four switches and four routers connected as shown in the topology....
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NetFlow Tutorial
Note: NetFlow is no longer a topic in CCNAv3 200-125 exam. One of the most important tasks of a network administrator is to monitor the health of our networks, learn how our bandwidth is being used,...
View ArticleShare your CCNA v3.0 Experience
The CCNA 200-125 has come to replace the old CCNA 200-120 exam. We create the “Share your CCNA v3.0 Experience” for everyone to share their experience after taking this exam. Note: We have a topic of...
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Basic BGP Configuration
In this lab we will learn a simple eBGP (two BGP routers with different Autonomous System numbers) configuration between two routers with the topology below: First we need to configure some interfaces...
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Border Gateway Protocol BGP Tutorial
Basic understanding about BGP We really want to show you why we need BGP first but it is very difficult to explain without understanding a bit about BGP. So we will learn some basic knowledge about BGP...
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TCP and UDP Tutorial
The Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) are the two most popular protocols in the transport layer. They ensures that messages are delivered error-free, in sequence, and...
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DHCP Sim
Refer to the topology below and answer the questions. You can download this lab and practice with Packet Tracer at http://www.9tut.com/download/9tut.com_DHCP_Sim.zip (note: In this Packet Tracer file...
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RIPv2 Troubleshooting Sim
Refer to the topology below and answer the questions using “show” commands. Question 1 Server1 and Server2 are unable to communicate with the rest of the network. Your initial check with system...
View ArticleOld Questions
This is a place to keep old questions of the older versions of the CCNA exam. Please notice that these questions are just for practicing purpose and they do not appear in the current exam. But we...
View ArticleDrag and Drop
Question 1 Explanation To remember which type of cable you should use, follow these tips: – To connect two serial interfaces of 2 routers we use serial cable – To specify when we use crossover cable...
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Miscellaneous Questions
Question 1 Question 2 Explanation Cisco Express Forwarding (CEF) provides the ability to switch packets through a device in a very quick and efficient way while also keeping the load on the router’s...
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Wireless Questions
Question 1 Explanation Many Cisco access points offer single or double (dual) radio (2.4 and 5.0 GHz). Note: The wireless controller automates wireless configuration and management functions. It does...
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SDN Solution
Question 1 Explanation Cisco Application Policy Infrastructure Controller (APIC) The infrastructure controller is the main architectural component of the Cisco ACI solution. It is the unified point of...
View ArticleNTP Questions
Question 1 Explanation From a Cisco perspective, getting the clock from an Internet time source and/or from a local timing device both require the same command (ntp server). To have a specific network...
View ArticleSNMP Questions
Note: If you are not sure about SNMP, please read our SNMP tutorial. Question 1 Explanation The user-based access control implemented by SNMPv3 is based on contexts and user names, rather than on IP...
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