Online Courses
CCNA 200-301
Online Courses
CCNA 200-301
  • Introduction
  • Interfaces And Cables
    • Ethernet
    • UTP Cables
    • Fiber Optic
    • UTP vs Fiber-Optic
    • Quiz
  • OSI Model & TCP/IP Suite
    • Networking Model
      • OSI Model
        • Application
        • Presentation
        • Session
        • Transport
        • Network
        • Data Link
        • Physical
      • PDUs
      • TCP/IP Suite
    • Quiz
  • Intro to the CLI
    • What is a CLI
      • Global Configuration Mode
      • Enable Password
    • Configuration Files
    • Canceling commands
    • Quiz
  • Ethernet LAN Switching
    • Local Area Network (LAN)
    • MAC Address
    • Ethernet Frame
    • Quiz 1
    • ARP
    • Ping
    • Quiz 2
  • IPv4 Addressing
    • Network Layer Review
    • IPv4
    • Quiz
    • Cisco CLI
    • Quiz
  • Switch Interfaces
    • CLI
    • Full/Half Duplex
    • CSMA/CD
    • Speed / Duplex Auto-Negotiation
    • Interface Errors
    • Quiz
  • IPv4 Header
    • Fields
      • Do Not Fragment
    • Quiz
  • Static Routing
    • Topology
    • CLI
    • Default Route
    • Static Route
    • Most Specific Matching Route
    • Quiz
  • Subnetting
    • Subnetting
    • Quiz
    • Variable-Length Subnet Masks
  • VLANs
    • What is a LAN ?
    • VLAN Configuration
    • Quiz 1
    • Example
    • Trunk Ports
      • Configuration
    • VLAN Ranges
    • Native VLAN
    • Router on a Stick (ROAS)
    • Quiz 2
    • Native VLAN on Router
    • Layer 3 (Multilayer) Switches
    • Quiz 3
  • DTP/VTP
    • DTP
    • VTP
    • Quiz
  • Spanning Tree Protocol
    • Network Redundancy
    • Layer 2 Loops
    • Spanning Tree Protocol
      • Exercise
    • STP Port Role Selection
      • Exercise
    • Blocking Ports
    • Quiz 1
    • States
    • Timers
    • BPDU
    • STP Toolkit
    • Configurations
    • Load-Balancing
      • Quiz
    • Quiz 2
  • Rapid Spanning Tree Protocol
    • STP Version Comparison
    • RSTP Intro
    • Quiz 1
    • BPDU
    • Link Types
    • Quiz 2
  • EtherChannel
    • Why EtherChannel is needed?
    • Load-Balancing
      • Configuration
    • PAgP, LACP, and Static
      • PAgP
      • LACP
      • Static
      • Manually Configure the Negotiation Protocol
    • EtherChannel Requirements
    • EtherChannel Verification
    • Layer 3 EtherChannel
    • Quiz
  • Dynamic Routing
    • Network Topology
    • Dynamic Routing
    • Types
      • Distance Vector Protocols
      • Link State Protocols
    • Metrics
    • Administrative Distance
      • Floating Static Routes
    • Quiz
    • RIP
      • RIPv1 & RIPv2
      • RIP Configuration
    • EIGRP
      • EGRP Configuration
    • Quiz
    • OSPF
      • Areas
      • Configuration
      • Cost
      • Neighbors
      • Loopback Interfaces
      • Network Types
      • Neighbor Requirements
      • LSA Types
    • Configuration
    • Quiz
  • First Hop Redundancy Protocols
    • Introduction
    • HSRP
    • VRRP
    • GLBP
    • Comparing FHRPs
    • Configuring HSRP
    • Quiz
  • TCP & UDP
    • Basic of Layer 4
      • Port Numbers / Session Multiplexing
    • TCP
    • UDP
    • Comparing TCP & UDP
    • Port Numbers
    • Quiz
  • IPv6
    • What about IPv5?
    • Why IPv6?
    • IPv6
    • Identifying the IPv6 Prefix
    • Configuration
    • EUI-64
      • Configuration
    • Why invert the 7th bit?
    • Global Unicast Addresses
    • Unique Local Addresses
    • Link Local Addresses
    • Multicast Addresses
    • Anycast Addresses
    • Other IPv6 Addresses
    • Representation
    • Header
    • Solicited-Node Multicast Address
    • Neighbor Discovery Protocol
      • SLAAC
      • Duplicate Address Detection (DAD)
    • IPv6 Static Routing
    • Quiz
  • Access Control Lists
    • What are ACLs?
    • How ACLs work
    • Implicit Deny
    • ACL Types
    • Standard Numbered ACLs
    • Standard Named ACLs
    • Numbered ACLs With Subcommands
    • Resequencing ACLS
    • Extended ACLs
    • Quiz
  • Layer 2 Discovery Protocols
    • Introduction
    • Cisco Discovery Protocol
    • Link Layer Discovery Protocol
    • Quiz
  • Network Time Protocol
    • The importance of time
    • Manual Time Configuration
    • Network Time Protocol
    • Reference Clocks
    • NTP Hierarchy
    • NTP Configuration
    • NTP Server mode
    • Symmetric active mode
    • NTP Authentication
    • Quiz
  • Domain Name System
    • Purpose of DNS
    • DNS Cache
    • DNS in Cisco IOS
    • Quiz
  • Dynamic Host Configuration Protocol
    • Purpose of DHCP
    • DHCP Messages
    • Relay
    • DHCP Sever configuration in IOS
    • Quiz
  • Simple Network Management Protocol
    • SNMP
    • Versions
    • Messages
    • Configuration
    • Quiz
  • Syslog
    • Syslog
    • Message Format
    • Logging Locations
    • Configuration
    • Syslog vs SNMP
    • Quiz
  • Secure Shell
    • Page
    • Console Port Security
    • L2 Switch Management IP
    • Telnet
    • SSH
    • Quiz
  • FTP & TFTP
    • FTP and TFTP
    • Trivial File Transfer Protocol
    • File Transfer Protocol
    • FTP vs TFTP
    • IOS File Systems
    • Upgrading Cisco IOS
    • Quiz
  • Network Address Translation
    • Private IPv4 Addressess
    • Network Address Translation (NAT)
    • Static NAT
    • Configuration
    • Dynamic NAT
    • Configuration
    • PAT (NAT Overload)
    • Quiz
  • Quality of Service
    • IP Phones
    • Power over Ethernet (PoE)
    • Quality of Service (QoS)
    • Queuing
    • Classification
    • IP Precedence and DSCP
    • RFC 4954
    • Trust Boundaries
    • Queuing/Congestion Management
    • Shaping and Policing
    • Classification
    • Quiz
  • Security Fundamentals
    • Why Security?
    • Concepts
    • Denial-of-service Attack
    • Spoofing Attacks
    • Reflection/Amplification Attacks
    • Man-in-the-middle Attack
    • Reconnaissance Attacks
    • Malware
    • Social Engineering Attacks
    • Password-related attacks
    • Multi-factor Authentication
    • Digital certificates
    • Controlling and Monitoring Users with AAA
    • Security Program Elements
    • Quiz
  • Port Security
    • Port Security
    • Why Port Security?
    • Enabling Port Security
    • Violation Modes
    • Secure MAC Address Aging
    • Sticky Secure MAC Addresses
    • Quiz
  • DHCP Snooping
    • DHCP Snooping
    • DHCP Starvation
    • DHCP Poisoning (Man-in-the-Middle)
    • DHCP Messages
    • DHCP Snooping Operations
    • DHCP Snooping Rate-Limiting
    • DHCP Option 82 (Information Option)
    • Quiz
  • Dynamic ARP Inspection
    • Gratuitous ARP
    • DAI
    • ARP Poisoning (Man-in-the-Middle)
    • Operations
    • Configurations
    • Optional Checks
    • ARP ACLs
    • Quiz
  • LAN Architectures
    • Common Terminologies
    • Two-Tier Campus LAN Design
    • Three-Tier Campus LAN Design
    • Spine-Leaf Architecture
    • SOHO Networks
    • Quiz
  • WAN Architectures
    • WAN
    • Leased Lines
    • MPLS
    • Internet Connections
    • Redundant Internet Connections
    • Internet VPNs
      • Site-to-Site VPNs (IPsec)
      • Remote-Access VPNs
    • Quiz
  • Virtualization & Cloud
    • Server Hardware
    • Servers before Virtualization
    • Virtualization
    • Why Virtualization
    • Connecting VMs to the Network
    • Cloud Services
    • Five Essential Characteristics of Cloud
    • Three Service Models of Cloud
    • Four Deployment Models of Cloud
    • Benefits of Cloud Computing
    • Connecting to Cloud Resources
    • Quiz
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  • Question 1
  • Question 2
  • Question 3
  1. DTP/VTP

Quiz

Question 1

SW1 and SW2 are connected, are both new switches, and the connected interfaces are operating as access ports. However, SW2's power supply fails so you temporarily replace SW2 with an old spare switch. You reset the configuration before connecting it to SW1, but when you connect it you notice that a trunk is formed between the two switches. What could be the cause?

  1. Interfaces on old switches default to switchport mode trunk.

  2. Interfaces on old switches default to switchport mode dynamic desirable.

  3. Access ports are a feature of newer switches.

Solution
  1. Interfaces on old switches default to switchport mode dynamic desirable.

Question 2

SW1 is connected to SW2, and SW2 is connected to SW3. You want SW2 to forward SW1's VLAN database information to SW3, but you don't want SW2 to synchronize its VLAN database to SW1. Which command should you use on SW2?

  1. vtp mode transparent

  2. vtp transparent mode

  3. vlan mode transparent

  4. vtp mode client

Solution
  1. vtp mode transparent

Question 3

What are two methods to reset a switch's VTP revision number to 0? (Choose two)

  1. Change the VTP domain to an unused domain name.

  2. Change the switch to VTP server mode.

  3. Change the switch to VTP transparent mode.

  4. Use the vtp reset command.

Solution
  1. Change the VTP domain to an unused domain name.

  1. Change the switch to VTP transparent mode.

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Last updated 1 year ago