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IS3120 NETWORK COMMUNICATIONS INFRASTRUCTURE > IS 3120 CHAPTER 8 > Flashcards

IS 3120 CHAPTER 8 Flashcards

1
Q

A situation in which broadcast messages get forwarded and replicated to a point that the network cannot handle all of the traffic.

A

Broadcast storm

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2
Q

The port to a network segment with the lowest root path cost..

A

Designated port (DP)

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3
Q

A mathematical representation of a set of objects..

A

Graph

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4
Q

A method to combine multiple physical links together that can be used as a single logical link.

A

Link aggregation

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5
Q

The protocol that defines how dynamic link aggregation operates.

A

Link Aggregation Control Protocol (LACP)

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6
Q

A method to comine multiple physical links together that can be used as a single logical link.

A

Link bundling

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7
Q

A spanning tree that maps to one or more VLANs

A

Multiple spanning tree (MST)

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8
Q

Each group of VLANs that are assigned to an instance of a multiple spanning tree.

A

Multiple spanning tree instance (MSTI)

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9
Q

A protocol that defines several data structures to create and maintain spanning trees.

A

Multiple spanning tree Protocol (MSTP)

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10
Q

The first node in a spanning tree

A

Root bridge

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11
Q

The accumulated cost of all the links in a path leading to the root bridge.

A

Root path cost.

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12
Q

The port on any switch that leads to the root bridge and also has the lowest root path cost.

A

Root port (RP).

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13
Q

A single piece of hardware or software that must operate for the larger system or network to operate.

A

Single point of failure (SPOF)

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14
Q

A pat that starts at one node and visits all of the other nodes exactly once.

A

Spanning tree

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15
Q

Switching loop Switches linked together in a loop or ring topology.

A

Switching loop.

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16
Q

A link that connects to trunk ports on separate switches.

A

Trunk link

17
Q

A port on a switch that allows VLAN traffic to pass through it.

A

Trunk port

18
Q

The process of forwarding traffic within a VLAN from one switch to another.

A

VLAN trunking

19
Q
  1. The MAC address FF:FF:FF:FF:FF:FF is a special broadcast address that sends a frame to all nodes connected to the same switch.
    TRUE OR FALSE
A

FALSE

20
Q
  1. Which device type separates one broadcast domain from another?
  2. Repeater
  3. Switch
  4. Hub
  5. Router
A

Router

21
Q
  1. Which statement best describes a VLAN?
  2. Defines a group of devices that communicate as if they were a single collision domain.
  3. Defines a group of devices that communicate as if they were a single broadcast domain.
  4. Aggregates several collision domains into a larger virtual collision domain.
  5. Aggregates several broadcast domains into a larger virtual broadcast domain.
A

Defines a group of devices that communicate as if they were a single broadcast domain

22
Q
  1. IEEE 802.1q defines VLAN operation. VLANs are defined at which OSI reference Model layer?
  2. Layer 4
  3. Layer 3
  4. Layer 2
  5. Layer 1
A

Layer 2

23
Q
  1. What must a switch add to an Ethernet frame that travels to a VLAN on another switch?
  2. VLAN tag
  3. Trucking address
  4. Destination switch MAC address
  5. Aggregation header
A

VLAN tag

24
Q
  1. VLANs are most closely related to which Layer 3 concept?
  2. Private address range
  3. Broadcast domain
  4. Router group
  5. Subnetwork
A

Subnetwork

25
Q
  1. A ___ port carries trafic to another switch in a VLAN.
A

Trunk

26
Q
  1. What term describes multiple paths between switches?
  2. Switching loop
  3. Spanning tree
  4. Graph
  5. Mesh
A

Switching loop

27
Q
  1. The ___ is the first node in the spanning tree.
A

Root bridge

28
Q
  1. What is the primary enhancement of RSTP over STP?
  2. RSTP is automatic and STP requires manual configuration
  3. RSTP converges faster than STP
  4. RSTP is fully resilient
  5. RSTP supports VLANs
A

RSTP converges faster than STP

29
Q
  1. What are the two main benefits to using IEEE 802.3ad link aggregation?
  2. Handles more types of traffic (different protocols)
  3. Increases effective bandwidths of switches
  4. Automatically loads balances by moving devices to the fastest switch
  5. Provides resilience
A

Increases effective bandwidths of switches Provides resilience

30
Q
  1. The ___ defines how dynamic link aggregation operates.
A

Link Aggregation Control Protocol (LACP)

IS3120 NETWORK COMMUNICATIONS INFRASTRUCTURE (15 decks)

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