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CISA 2120 Cisco Switch > Chapter 1: Converged Networks > Flashcards

Chapter 1: Converged Networks Flashcards

1
Q

What is Hierarchical?

1.1.1.4

A

Facilitates understanding the role of each device at every tier, simplifies deployment, operation, and management, and reduces fault domains at every tier

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2
Q

what is Modularity?

1.1.1.4

A

Allows seamless network expansion and integrated service enablement on an on-demand basis

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3
Q

What is Resiliency?

1.1.1.4

A

Satisfies user expectations for keeping the network always on

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4
Q

What is Flexibility?

1.1.1.4

A

Allows intelligent traffic load sharing by using all network resources

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5
Q

What is Access Layer?

1.1.1.5

A

The access layer represents the network edge, where traffic enters or exits the campus network. Traditionally, the primary function of an access layer switch is to provide network access to the user.

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6
Q

What is Distribution Layer?

1.1.1.5

A

The distribution layer interfaces between the access layer and the core layer to provide many important functions, including

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7
Q

What is a Core Layer?

1.1.1.5

A

The core layer is the network backbone. It connects several layers of the campus network. The core layer serves as the aggregator for all of the other campus blocks and ties the campus together with the rest of the network.

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8
Q

What are the 3 Layer Types?

1.1.1.5

A

Access Layer
Distribution Layer
Core Layer

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9
Q

What is a Switch Network?

1.1.2.2

A

The role of switched networks has evolved dramatically in the last two decades. It was not long ago that flat Layer 2 switched networks were the norm.

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10
Q

What us Fixed Configuration Switches

1.1.2.2

A

Fixed configuration switches do not support features or options beyond those that originally came with the switch.

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11
Q

What is Modular Configuration Switches

1.1.2.2.

A

Modular configuration switches offer more flexibility in their configuration. Modular configuration switches typically come with different sized chassis that allow for the installation of different numbers of modular

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12
Q

What is Stackable Configuration Switches?

1.1.2.2.

A

Stackable configuration switches can be interconnected using a special cable that provides high-bandwidth throughput between the switches (Figure 4). Cisco StackWise technology allows the interconnection of up to nine switches. Switches can be stacked one on top of the other with cables connecting the switches in a daisy chain fashion.

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13
Q

What is Frame Forwarding?

1.2.1.2

A

Switches use MAC addresses to direct network communications through the switch to the appropriate port toward the destination.

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14
Q

What is Store and Forward Switching?

1.2.1.3

A

the store-and-forward method makes a forwarding decision on a frame after it has received the entire frame and then checked the frame for errors.

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15
Q

What is a Cut-Through Switching?

1.2.1.3

A

begins the forwarding process after the destination MAC address of an incoming frame and the egress port has been determined.

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16
Q

What is Borderless Network?

1.1.1.3

A

Is a network architecture that combines several innovations and design considerations to allow organizations to connect anyone, anywhere, anytime, and on any device securely, reliably, and seamlessly.

17
Q

What does switch LAN provide?

1.1.2.1

A
  1. Quality of Service
  2. Additional security
  3. Support for wireless networking and connectivity
18
Q

What is Fixed Configuration Switches?

1.1.2.2

A

Fixed configuration switches do not support features or options beyond those that originally came with the switch (Can not add any other items)

19
Q

What is a Modular Configuration Switches

1.1.2.2.

A

Modular configuration switches offer more flexibility in their configuration. Modular configuration switches typically come with different sized chassis that allow for the installation of different numbers of modular line cards

20
Q

What is Stackable Configuration Switches?

1.1.2.2

A

Stackable configuration switches can be interconnected using a special cable that provides high-bandwidth throughput between the switches

21
Q

What is ingress?

1.2.1.1

A

where a frame enters the device on a port.

22
Q

What us egress?

A

frames leaving the device from a particular port.

23
Q

What does a switch do if the MAC address is not found in the MAC address table?

A

switch forwards the frame out of all ports (flooding) except for the ingress port of the frame

24
Q

What is Store and forward?

1.2.1.3

A

makes a forwarding decision on a frame after it has received the entire frame and then checked the frame for errors.

25
Q

What is Cut Through Method?

A

begins the forwarding process after the destination MAC address of an incoming frame and the egress port has been determined.

26
Q

what is CRC

A

cyclic redundancy check

27
Q

What is Error Checking?

1.2.1.4

A

A switch using store-and-forward switching performs an error check on an incoming frame. After receiving the entire frame on the ingress port

28
Q

What is Automatic Buffering?

1.2.1.4

A

The ingress port buffering process used by store-and-forward switches provides the flexibility to support any mix of Ethernet speeds.

29
Q

What is Rapid Frame Forwarding?

1.2.1.5

A

The switch does not have to wait for the rest of the frame to enter the ingress port before making its forwarding decision.

30
Q

What is Fragment Free

1.2.1.5

A

This means each frame will be checked into the data field to make sure no fragmentation has occurred. Fragment free mode provides better error checking than cut-through, with practically no increase in latency.

31
Q

What is Broadcast Domain?

1.2.2.1

A

A broadcast domain is a logical division of a computer network, in which all nodes can reach each other by broadcast at the data link layer.

32
Q

What is switching Domain?

A

Each port of the switch represents a separate collision domain and provides the full bandwidth to the device or devices that are connected to that port.

CISA 2120 Cisco Switch (4 decks)

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