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Networking III > Network design > Flashcards

Network design Flashcards

1
Q

Which term is used to describe a network that is always accessible?

Hierarchical.
Modular.
Resilient.
Flexible.

A

Resilient.

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2
Q

Which characteristic of a network allows it to expand and provide on-demand services?

Hierarchical.
Modular.
Resilient.
Flexible.

A

Modular.

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3
Q

Which term describes the ability of a network to use all available network resources and to provide data load sharing?

Hierarchical.
Modular.
Resilient.
Flexible.

A

Flexible.

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4
Q

Which network layer provides fault isolation and high-speed backbone switch connectivity?

Core.
Distribution.
Access.

A

Core.

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5
Q

Which network layer provides direct, switched network connectivity to the user?

Core.
Distribution.
Access.

A

Access.

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6
Q

Which network layer integrates with the backbone and users to provide intelligent switching, routing, and security?

Core.
Distribution.
Access.

A

Distribution.

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7
Q

Which three recommendations may be included in a network design strategy that is focused on scalability? (Choose three.)

Design a hierarchical network.

Use layer 2 devices to filter and reduce network traffic in the core.

Choose routers or multilayer switches to limit broadcasts and filter other undesirable traffic from the network.

Use expandable, modular equipment , or clustered devices that can be easily upgraded to increase capabilities.

Combine the access and distribution layer for easier access and limit the size of the failure domain.

A

Design a hierarchical network.

Choose routers or multilayer switches to limit broadcasts and filter other undesirable traffic from the network.

Use expandable, modular equipment , or clustered devices that can be easily upgraded to increase capabilities.

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8
Q

True or false? OSPF is well-suited for larger networks because it can be deployed using a hierarchical design.

True.
False.

A

True.

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9
Q

What are three important features that should be considered for implementation in a well-designed, scalable network? (Choose three.)

Static routes.
Redundant links.
Multiple links.
Access layer with only wired devices.
Expandable, modular equipment.

A

Redundant links.
Multiple links.
Expandable, modular equipment.

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10
Q

Which category of switch is used to aggregate traffic at the edge of the network?

Campus LAN switches.
Cloud-managed switches.
Service provider switches.
Data center switches.

A

Service provider switches.

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11
Q

Field replaceable line cards are a feature found on which type of switch?

Modular.
Fixed configuration.
Virtual.
Stackable.

A

Modular.

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12
Q

This is the term used to describe switches that can be interconnected and managed as one larger single switch.

Modular.
Stackable.
Cloud-managed.
Multilayer.

A

Stackable.

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13
Q

This is the term used to describe the number of ports available on a single switch.

Speed.
Scalability.
Density.
Modularity.

A

Density.

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14
Q

This is the term used to describe how much data a switch can process per second.

Forwarding rate.
Power.
Reliability.
Wire speed.

A

Forwarding rate.

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15
Q

Which type of switch supports routing protocols and can forward IP packets at close to Layer 2 forwarding rates?

Modular.
Stackable.
Cloud-managed.
Multilayer.

A

Multilayer.

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16
Q

This type of router provides fast performance with high security for data centers, campus, and branch networks.

Branch routers.
Network edge routers.
Service provider routers.
Industrial routers.

A

Network edge routers.

17
Q

This type of router provides end-to-end delivery of subscriber services.

Branch routers.
Network edge routers.
Service provider routers.
Industrial routers.

A

Service provider routers.

18
Q

This type of router provides simple network configuration and management for LANs and WANs.

Branch routers.
Network edge routers.
Service provider routers.
Industrial routers.

A

Branch routers.

19
Q

This type of router is designed to provide enterprise-class features in rugged and harsh environments.

Branch routers.
Network edge routers.
Service provider routers.
Industrial routers.

A

Industrial routers.

20
Q

This type of router delivers next-generation internet experience across all devices and locations.

Branch routers.
Network edge routers.
Service provider routers.
Industrial routers.

A

Service provider routers.

21
Q

Which cost-effective physical network topology design is recommended when building a three-tier campus network that connects three buildings?​

Bus.
Mesh.
Extended star.
Dual ring.

A

Extended star.

22
Q

How much traffic is a 48-port gigabit switch capable of switching when operating at full wire speed?

1 Gb/s, because data can only be forwarded from one port at a time.

24 Gb/s, because this is the maximum forwarding rate on Cisco switches.

44 Gb/s, due to overhead requirements.

48 Gb/s, by providing full bandwidth to each port.

A

48 Gb/s, by providing full bandwidth to each port.

23
Q

What is the term that is used for the area of a network that is affected when a device or network service experiences problems?

Failure domain.
Collision domain.
Broadcast domain.
User domain.

A

Failure domain.

24
Q

Which type of router would an enterprise use to allow customers to access content anytime and anyplace, regardless of whether they are at home or work?

Network edge routers.
Branch routers.
Modular routers.
Service provider routers.

A

Network edge routers.

25
Q

Which design feature will limit the size of a failure domain in an enterprise network?

The installation of redundant power supplies.

The purchase of enterprise equipment that is designed for large traffic volume.

The use of a collapsed core design.

The use of the building switch block approach.

A

The use of the building switch block approach.

26
Q

What is a function of the distribution layer?

Network access to the user.

High-speed backbone connectivity.

Interconnection of large-scale networks in wiring closets.

Fault isolation.

A

Interconnection of large-scale networks in wiring closets.

27
Q

What is the function of PoE pass-through?

allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch.

allows a multilayer switch to forward IP packets at a rate close to that of Layer 2 switching by bypassing the CPU.

allows a switch to disable redundant Layer 2 paths in the topology to prevent Layer 2 loops.

allows multiple physical switch ports to be aggregated together and act as a single logical link to increase bandwidth on trunk links

A

allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch.

28
Q

Which function is supplied by the access layer in a three-layer network design?

Backbone connectivity.
Network access.
Application of policies.
High-speed connectivity.
Routing.

A

Network access.

29
Q

Which action should be taken when planning for redundancy on a hierarchical network design?

Implement STP PortFast between the switches on the network.

Immediately replace a nonfunctioning module, service ,or device on a network.

Purchase backup equipment for every network device at the distribution layer.

Add alternate physical paths for data to traverse the network.

A

Add alternate physical paths for data to traverse the network.

30
Q

What is a collapsed core in a network design?

a combination of the functionality of the access and core layers

a combination of the functionality of the access and distribution layers

a combination of the functionality of the distribution and core layers

a combination of the functionality of the access, distribution, and core layers

A

a combination of the functionality of the distribution and core layers

31
Q

What is the name of the layer in the Cisco borderless switched network design that is considered to be the backbone used for high-speed connectivity and fault isolation?

Core.
Access.
Data link.
Network Access.
Network.

A

Core.

32
Q

Which technology is required when switched networks are designed to include redundant links?

Spanning tree protocol.
Link aggregation.
Virtual private networks.
Virtual LANs.

A

Spanning tree protocol.

33
Q

Which feature could be used in a network design to increase the bandwidth by combining multiple physical links into a single logical link?

EtherChannel.
Trunk ports.
Subinterfaces.
VLANs.

A

EtherChannel.

34
Q

Which statement describes a characteristic of Cisco Catalyst 2960 switches?

They are best used as distribution layer of switches.

They are modular switches.

They do not support an active switched virtual interface with IOS versions prior to 15.x.

New cisco catalyst 2960-C switches support PoE pass-through.

A

New cisco catalyst 2960-C switches support PoE pass-through.

35
Q

Which network design solution will best extend access layer connectivity to host devices?

Implementing redundancy.
Implementing EtherChannel.
Implementing routing protocols.
Implementing wireless connectivity.

A

Implementing wireless connectivity.

Networking III (7 decks)

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