Port Security Questions 2
Question 1 Question 2 Explanation In fact both “protect” and “restrict” mode allows traffic from passing with a valid MAC address so this question is not good. This is a quote from Cisco for these two...
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Question 1 Explanation PortFast causes a switch or trunk port to enter the spanning tree forwarding state immediately, bypassing the listening and learning states. Question 2 Question 3 Question 4...
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Question 1 Question 2 Question 3 Question 4 Explanation From the “show mac address-table” output, we see FastEthernet0/1 can receive traffic from multiple VLANs -> it is configured as a trunk. Also...
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Basic Questions 2
Question 1 Explanation MDI stands for “Medium Dependent Interface”. MDI is a type of Ethernet port found on network devices. When connecting two devices with MDI ports (two hosts, for example) an...
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VLAN Troubleshooting Sim
Topology: We are not sure about the details but here are the faults in this sim: – Native VLAN mismatch between SW1 & SW3 – Switchport mode mismatch: one in access mode while the other end in trunk...
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Basic MPLS Tutorial
MPLS is a new forwarding mechanism called “label switching” in which packets are forwarded based on labels. However, hosts are unaware about labeled packets so routers will need to add a label when...
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Question 1 Question 2 Explanation The control plane: The control plane is the brain of the router. It consists of dynamic IP routing protocols (that is OSPF, IS-IS, BGP, and so on), the RIB, routing...
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EIGRP GRE Troubleshooting Sim
Refer to the topology below. Your company asks you to identify the issues in Phase 1 EIGRP implementation. You have console access on R1, R2, R3 Branch1 and Branch2 routers. Only use show commands to...
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GRE Tunnel Tutorial
GRE stands for Generic Routing Encapsulation, which is a very simple form of tunneling. With GRE we can easily create a virtual link between routers and allow them to be directly connected, even if...
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GRE Tunnel Lab
In this lab we will configure GRE Tunnel between R1 & R2. Notice that in the topology below, R1 & R2 are not directly connect to each other. They are connected through R3 only. Basic interface...
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CCNAv3 – New Questions Part 2
Note: These new questions have not been classified into specific topics so please practice them separately Question 1 Drag and drop the CSMA components from the left onto the correct descriptions on...
View ArticleCCNA FAQs & Tips
CCNA is a long topic to talk about and there are many tips that can help you save much time when sitting in the exam hall. From the comments here and information from other places, this article tries...
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GRE Multilink Sim
Refer to the topology below and answer the following questions. Note: There may be different faults in this sim so please notice the following faults: 1. ACL blocking traffic on interface between R2...
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IPv6 OSPF Sim
Question All routers are running IPv6 OSPF with process ID 100. The loopback0 IPv4 address is the OSPF router ID of each router. On HQ router, a provider link is provided and you have to configure an...
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Drag and Drop 4
Question 1 Question 2 Explanation The control plane: The control plane is the brain of the router. It consists of dynamic IP routing protocols (that is OSPF, IS-IS, BGP, and so on), the RIB, routing...
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Question 1 Question 2 Question 3 Explanation Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dns/configuration/15-mt/dns-15-mt-book/dns-config-dns.html Question 4 Question 5...
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Question 1 Question 2 Question 3 Explanation What is the data format used to send/receive data when making REST calls for APIC-EM? Javascript Object Notation (JSON) is used to pass parameters when...
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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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