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Basic Questions
Question 1 Explanation Star topology is the most popular topology for the network which allows all traffic to flow through a central device. Question 2 Explanation Carrier sense multiple access with...
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...
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IP Routing 2
Question 1 Question 2 Explanation The administrative distance of each protocol is compared to see if that route is better or not. Question 3 Explanation Letter “D” is used to symbolize for EIGRP (with...
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Switch Stacking & Chassis Aggregation
Question 1 Explanation Switch stacking technology allows the network engineer to make that stack of physical switches act like one switch. The stacking cables together make a ring between the...
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STP Questions 2
Note: If you are not sure about Spanning Tree Protocol, please read our Spanning Tree Protocol STP Tutorial. Question 1 Explanation When you enable PortFast on the switch, spanning tree places ports...
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Switch Questions 2
Question 1 Explanation When you connect an IP phone to a switch using a trunk link, it can cause high CPU utilization in the switches. As all the VLANs for a particular interface are trunked to the...
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QoS Questions
Question 1 Explanation The following diagram illustrates the key difference between traffic policing and traffic shaping. Traffic policing propagates bursts. When the traffic rate reaches the...
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Cloud & Virtual Services
Question 1 Question 2 Explanation Network virtualization architecture has three main components: + Network access control and segmentation of classes of users: Users are authenticated and either...
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All of the articles on 9tut.com are copyright its respective owner. You are allowed to use them anywhere with a link back to its original article on this site.
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CCNA – WAN Questions
If you are not sure about WAN and PPP, please read our WAN tutorial and PPP tutorial. Question 1 Question 2 Question 3 Question 4 Explanation PPP supports both synchronous (like analog phone lines)...
View ArticleCCNA – IOS Questions
Note: If you are not sure about Cisco IOS, please read our Cisco Router Boot Sequence Tutorial and Cisco Command Line Interface CLI. Question 1 Question 2 Explanation It is a waste to administratively...
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CCNA – OSI & TCP/IP Model
Note: If you are not sure about OSI Model, please read our OSI Model tutorial. Question 1 Explanation The picture below shows the comparison between TCP/IP model & OSI model. Notice that the...
View ArticleCCNA – Basic Questions
Question 1 Explanation Organizational Unique Identifier (OUI) is the first 24 bits of a MAC address for a network device, which indicates the specific vendor for that device as assigned by the...
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DHCP Tutorial
In IP environment, before a computer can communicate to another one, they need to have their own IP addresses. There are two ways of configuring an IP address on a device:+ Statically assign an IP...
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Troubleshooting Lab Challenge 1 (OSPF)
Your customer network is running OSPF. An engineer has edited the network configuration and now their users are experiencing network issues. They have contacted you to resolve the issues and return the...
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TroubleShooting Lab Challenge 2 (EIGRP)
You have just been recruited to the TUT company. Recently your company has just setup a new network with six routers running EIGRP. A network administrator has configured the network but some issues...
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TroubleShooting Lab Challenge 3 (Switch Basic)
You have just been recruited to the TUT company. Recently your company has just setup a new network with five switches and three routers. Unfortunately, the network administrator forgot to write...
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Config Lab Challenge 1 (NAT)
Refer to the exhibit. You are tasked to configure Internet access for the users in your company. Your ISP has given you six public IP addresses in the range of 45.9.1.65 45.9.1.70/29 .Your company has...
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Checking Lab Challenge 1 (OSPF)
Your customer network is running OSPF. An engineer has just finished network configuration. You are now tasked to check the configuration of the routers and answer some questions about the network...
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Checking Lab Challenge 2 (Basic)
Your company has just installed and configured a new router to provide Internet access. Your task is to check the configuration of this router and take notes for future reference. Because of security,...
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