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Mahmmad Kareemoddin

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  • How to perform Configuration Backup/Restore in Palo Alto Firewall
    Palo Alto Configuration Backup Step1: Navigate to Device > Setup > Operations after login into palo alto firewall. Step2:  ...
  • Differences between IKEv1 and IKEv2
    Differences between IKEv1 and IKEv2 --> IKEv2 is an enhancement to IKEv1. --> IKEv2 does not consume more bandwidth compared to I...
  • What is DHCP Option 43 and Option 60
    --> We basically use DHCP option 43 and option 60 in wireless networks for Access  Points and Controllers. --> Option 43 helps an A...
  • What is FlexConnect?
    --> Flex Connect is a wireless solution which allows you to configure & control access points in remote/branch offices without confi...
  • What is the difference between VSS and vPC?
    Basically VSS and Vpc both are used to create multi chasis etherchannel 1) vPC is Nexus switch specific feature,however,VSS is created u...
  • HSRP Interview Questions
    Q) What is the use of HSRP? A: HSRP is used to provide default gateway redundancy. Q) What is the maximum number of HSRP groups that c...
  • Cisco Access Point Modes
    --> Cisco Access Points operates in different modes, depending upon the requirement we need to select appropriate mode of Access Point. ...
  • vPC Failure Scenarios
     Following are the failure scenarios we are going to discuss below: 1)  vPC Keep-Alive Link is Down --> Nothing happens if the Keep-Alive...
  • Aruba Switches CX Initial Configuration
     Step1: Change the hostname of the Aruba Switch using the following command: ( Command is similar to Cisco Switches) Switch# Switch#Configur...
  • HSRP States
    1) Initial State: When the Interface goes in up state. 2) Learn State: The router is trying to learn Virtual IP address 3) Listen State...