Podcast
Questions and Answers
What is the default maximum number of MAC addresses to be learned in port security?
What is the default maximum number of MAC addresses to be learned in port security?
Where are MAC addresses learned on ports configured with port security displayed?
Where are MAC addresses learned on ports configured with port security displayed?
Which mode allows a branch office to have an AP without deploying a branch controller?
Which mode allows a branch office to have an AP without deploying a branch controller?
What should be done to save sticky MAC addresses in the startup configuration file?
What should be done to save sticky MAC addresses in the startup configuration file?
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After plugging in a new AP into WLC port 4, what did the administrator notice was missing?
After plugging in a new AP into WLC port 4, what did the administrator notice was missing?
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What is required for WLAN Express to work after changing an AP on a WLC?
What is required for WLAN Express to work after changing an AP on a WLC?
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In network automation, which of the following uses valid JSON object syntax?
In network automation, which of the following uses valid JSON object syntax?
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What should be enabled on the switch to fix the problem when an IP phone fails to establish a connection with a switch configured with the correct voice VLAN?
What should be enabled on the switch to fix the problem when an IP phone fails to establish a connection with a switch configured with the correct voice VLAN?
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Which logging level has been enabled in the output of OSPF routing protocol debugs?
Which logging level has been enabled in the output of OSPF routing protocol debugs?
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What will be the cost of the root path in SW0 for the network shown in the exhibit?
What will be the cost of the root path in SW0 for the network shown in the exhibit?
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Refer to the LACP configuration to enable it as the main interface to the WAN. What is missing in the configuration?
Refer to the LACP configuration to enable it as the main interface to the WAN. What is missing in the configuration?
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Regarding IP phone connectivity issues, what is a possible solution when a switch is correctly configured with the voice VLAN?
Regarding IP phone connectivity issues, what is a possible solution when a switch is correctly configured with the voice VLAN?
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What is required for Multi-Factor Authentication (MFA)?
What is required for Multi-Factor Authentication (MFA)?
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Which of the following is considered a true MFA solution?
Which of the following is considered a true MFA solution?
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What is a benefit of controller-based networking over traditional networks?
What is a benefit of controller-based networking over traditional networks?
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In a controller-based networking setup, why is it beneficial to have southbound APIs?
In a controller-based networking setup, why is it beneficial to have southbound APIs?
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Based on the routing table output provided, what will Core2 do with a packet destined for 192.168.3.129?
Based on the routing table output provided, what will Core2 do with a packet destined for 192.168.3.129?
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Why does Core2 drop a packet destined for 192.168.3.129 based on the routing table output?
Why does Core2 drop a packet destined for 192.168.3.129 based on the routing table output?
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What is the purpose of the Fast Transition section in WPA/WPA2 Parameters?
What is the purpose of the Fast Transition section in WPA/WPA2 Parameters?
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What authentication method is used in WPA protocols according to the text?
What authentication method is used in WPA protocols according to the text?
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Why is the Protected Management Frame important in a wireless network?
Why is the Protected Management Frame important in a wireless network?
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What does Wireless Roaming refer to?
What does Wireless Roaming refer to?
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In the context of VLANs, what does a trunk typically do?
In the context of VLANs, what does a trunk typically do?
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What configuration will result from executing 'switchport trunk allowed vlan 5' on interface Gi0/1 on SW0?
What configuration will result from executing 'switchport trunk allowed vlan 5' on interface Gi0/1 on SW0?
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What is the key difference between Telnet and SSH in managing network devices?
What is the key difference between Telnet and SSH in managing network devices?
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Why would an ACL still be required even if a script is used to pull interface information using SSH?
Why would an ACL still be required even if a script is used to pull interface information using SSH?
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Why is Spanning Tree Protocol (STP) not used in a spine and leaf architecture design?
Why is Spanning Tree Protocol (STP) not used in a spine and leaf architecture design?
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What feature of spine and leaf architecture allows for high access port scalability?
What feature of spine and leaf architecture allows for high access port scalability?
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Why is Equal Cost Multipathing (ECMP) considered a desirable feature in spine and leaf designs?
Why is Equal Cost Multipathing (ECMP) considered a desirable feature in spine and leaf designs?
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In a spine and leaf architecture, why is it crucial for leaf and spine switches to have redundant connections?
In a spine and leaf architecture, why is it crucial for leaf and spine switches to have redundant connections?
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Study Notes
Multi-Factor Authentication (MFA)
- MFA requires at least two independent factors of proof
- Three main types of authentication factors:
- Something you know (passwords, PINS)
- Something you have (smart cards, mobile phones)
- Something you are (fingerprints, retina scans)
Controller-Based Networking
- Benefit: Ability to control network devices via southbound APIs
Routing
- Core2 will use the OSPF path to route a packet destined for 192.168.3.129
- Based on the partial output of the routing table
DNS
- Domain name to IP address mapping can be checked using the nslookup command
Implementing VLANs and STP
- Cost of the root path in SW0 is 4
- To enable LACP configuration, the LACP administrative key must be set
- CDP (Cisco Discovery Protocol) should be enabled on the switch to fix an IP phone connection issue
Network Automation
- Valid JSON object syntax: {"type","code": "1","2"}
- CDP informs the IP phone about the voice VLAN ID and QoS settings
IP Services
- Logging level 7 (debug) has been enabled in the OSPF routing protocol output
Wi-Fi
- FlexConnect is an AP mode that allows a branch office to have an AP without deploying a branch controller
- WLAN Express is used to configure a WLC over a wireless network
- CiscoAirProvision SSID will only be broadcast when the AP is connected to port 1 on a WLC
Network Architecture
- Spine and leaf architecture allows for access port scalability without using STP or ECMP
WPA and WPA2
- The Authentication Key Management section provides an option to configure a pre-shared key (PSK)
- Fast Transition optimizes roaming of devices
- Protected Management Frame increases security of a wireless network and protects against eavesdropping and forging attacks
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Description
Test your knowledge on networking commands such as nslookup and configuration setups like VLANs and STP. Questions cover topics like domain name to IP address mapping, root path costs, and LACP configurations for WAN interfaces.
