Week 5 - Network Design

Question 1

A Newly Hired Network Technician Is Given The Task Of Ordering New Hardware For A Small Business With A Large Growth Forecast. Which Primary Factor Should The Technician Be Concerned With When Choosing The New Devices?

Answer 1

Devices With Support For Modularity.

Question 2

Which network Design Consideration would Be More Important To A Large Corporation Than To A Small Business

Answer 2

Redundancy

Question 3

Some Routers And Switches In A Wiring Closet Malfunctioned After An Air Conditioning Unit Failed. What Type Of Threat Does This Situation Describe?

Answer 3

Environmental

Question 4

What Is A Definition Of A Two Tier LAN Network Design?

Answer 4

Distribution And Core layers Collapsed into One Tier, And The Access Layer On Separate Tier.

Question 5

A Local Law Firm Is Redesigning The Company Network So That All 20 Employees Can Be Connected To A LAN, And To The Internet. The Law Firm Would Prefer A Low Cost And Easy Solution For The Project. What Type Of Switch Should Be Selected?

Answer 5

Fixed Configuration

Question 6

What Is One Function Of A Layer 2 Switch?

Answer 6

Determines Which Interface Is Used To Forward Frame Based On The Destination MAC Address.

Question 7

Which Network Device Can Be Used To Eliminate Collisions On An Ethernet Network?

Answer 7

A Switch

Question 8

Which Statement Describes The Microsegmentation Feature Of A LAN Switch?

Answer 8

Each Port Forms A Collision Domain.

Question 9

Which Function Is Supplied By The Access Layer n A Three Layer Network Design?

Answer 9

Network Access.

Question 10

When An Appropriate Switch Form Factor For A Network is Being Determined, what Should Be Selected When Fault Tolerance And Bandwidth Are Desired, But The Budget Is Limited?

Answer 10

Stackable Switches.

Question 11

When The Appropriate Switch Form Factor For A Network Is Being Determined, what Type of Switch Should be Selected When Future Expansion Is Important And Cost Is Not A Limiting Factor?

Answer 11

Modular Switches

Question 12

What Is A Collapsed Core In A Network Design?

Answer 12

A Combination Of The Functionality Of The Distribution And Core Layers.

Question 13

A Network Administrator For A Small Company Is Contemplating How To Scale The Network Over The Next Three Years To Accommodate Projected Growth. Which Three Types of Information should Be Used To Plan For Future Network Growth?

Answer 13

• Documentation Of The Current Physical And Logical Topologies.
• Analysis Of The Network Traffic Based on Protocols, Applications And Services Used on The Network.
• Inventory Of The Devices Currently Used On The Network.

Question 14

A Network Engineer Must Provide A Rationale To A Customer For A Design Which Will move An Enterprise From A Flat Network Topology To A Hierarchical Network Topology. Which Two Features of The Hierarchical Design Make It The Better Choice?

Answer 14

• Easier To Provide Redundant Links To Ensure higher Availability.
• Simpler Deployment For Additional Switch Equipment.

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Question 15

What Are Two Advantage Of Modular Switches Over Fixed Configuration Switches?

Answer 15

• Increased Scalability.

- Need For Fewer Power Outlets.

Question 16

What Are Two Reasons A Network Administrator Would Segment A Network With A Layer 2 Switch?

Answer 16

• To Isolate Traffic Between Segments.

- To Enhance User Bandwidth.

Question 17

What Are The Three Layers Of The Switch Hierarchical Design Model?

Answer 17

• Core.
• Distribution.
• Access.