Summary: Ccnp And Ccie Enterprise Core Official Cert Guide | 1-58714-523-5 | Bradley Edgeworth, et al

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Read the summary and the most important questions on CCNP and CCIE Enterprise Core Official Cert Guide | 1-58714-523-5 | Bradley Edgeworth, Ramiro Garza Rios, Jason Gooley, David Hucaby

  • 1 Packet Forwarding

  • 1.1 Network Device Communication

    This is a preview. There are 12 more flashcards available for chapter 1.1
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  • What does the acronym MAC, used by the Layer 2 Ethernet protocol for addressing, stand for.

    Media Access Control
  • A MAC address is notated in hexadecimal, of how many bits and octets does it consist?

    It consists of 48 bits, divided in 6 octets.
  • CSMA/CD is used by Ethernet devices to ensure only one device talks at a time on a collision domain. What does CSMA/CD stand for?

    Carrier Sense Multiple Access/Collision Detect
  • What is the flooding of a packet known as when a switch doesn't know the destination MAC address

    Unknown Unicast Flooding.
  • All devices in the same Layer 2 segment are considered to be in the same?

    Broadcast Domain
  • VLANs are defined in the IEEE 802.1Q standard, which states 32 bits are added to the packet header. Which 4 fields are added in those 32 bits?

    TPID - Tag Protocol Identifier, 16 bit, Set to 0x8100 to identify as 802.1Q
    PCP - Priority Code Point, 3bit, Class of Service, Used for QoS
    DEI - Drop Eligible Indicator, 1 bit, Indicates if packet can be dropped
    VLAN ID, 12 bit, Specifies the associated VLAN.
  • Cisco switches have some default uses for VLAN 0, VLAN 1 and VLAN 1002-1005. Which ones?

    VLAN 0 - Reserverd for 802.1P traffic
    VLAN 1 - default VLAN
    VLAN 1002-1005 - Reserved
  • 802.1Q tags are not included on packets received on an access port. How many VLANs can an Access Port be Assigned to?

    Only one VLAN
  • A Trunk port can receive and send packets with 802.1Q headers and removes them after receiving them. Can a Trunk port be assigned to multiple VLANs?

    Yes
  • What is the command Switchport Trunk Allowed VLAN used for?

    To add VLANS to the switchport configuration which are allowed to traverse the switchport.

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