Cisco Networking Essentials

What command is used to enter global configuration mode on a Cisco router?

• global settings

• set configuration

• configure terminal

• edit router mode

How do you create a VLAN on a Cisco switch?

• Use the command 'create vlan [VLAN_ID]' in interface mode.

• Enter 'vlan add [VLAN_ID]' in privileged exec mode.

• Type 'set vlan [VLAN_ID]' in user mode.

• Use the command 'vlan [VLAN_ID]' in global configuration mode.

What is the purpose of subnetting in IP addressing?

• To eliminate the need for routing

• To increase the size of a network

• The purpose of subnetting in IP addressing is to divide a network into smaller, manageable sub-networks.

• To simplify IP address allocation

Which routing protocol uses the Dijkstra algorithm?

• Enhanced Interior Gateway Routing Protocol (EIGRP)

• Open Shortest Path First (OSPF)

• Border Gateway Protocol (BGP)

• Routing Information Protocol (RIP)

What command would you use to view the current VLANs on a switch?

• display vlan

• view vlans

• list vlan

• show vlan

What is the function of an Access Control List (ACL)?

• To monitor network traffic for security breaches.

• To encrypt sensitive data for secure transmission.

• To define permissions for users and groups regarding access to resources.

• To store user passwords securely.

How can you troubleshoot a network connectivity issue?

• Reset the router to factory settings

• Check physical connections, verify device settings, use 'ping', check firewall settings, restart devices, review configuration.

• Change the network cable color

• Ignore the issue and wait for it to resolve

What command is used to assign an IP address to a router interface?

• assign ip

• set ip

• ip address

• configure ip

How do you verify the routing table on a Cisco router?

• Check the routing table in the web interface.

• Run 'ip route show' in global configuration mode.

• Use the command 'show ip route' in privileged EXEC mode.

• Use the command 'display routing' in user mode.

What is the difference between a static and dynamic route?

• Static routes are fixed and manually set, while dynamic routes are automatically updated based on network changes.

• Dynamic routes are set manually, while static routes are updated automatically.

• Static routes require constant monitoring, whereas dynamic routes do not.

• Static routes are automatically updated, while dynamic routes are fixed.