Chapter 1: Enterprise Campus Architecture

Question 1

The Application Layer in SONA is what?

Answer 1

Business and collaboration applications; meet business requirements leveraging interactive services layer.

Question 2

Security in the Access Layer in the Campus Architecture would feature what services?

Answer 2

Port security, DHCP snooping, Dynamic ARP inspection, IP source guard.

Question 2

This area of the enterprise network was originally referred to as the server farm.

Answer 2

Data center

Question 3

The following statement describes which part of the enterprise network that is generally understood to be the facility used to house computing systems and associated components and was original referred to as the server farm?

Answer 3

Data center

Question 4

Which campus design element is proper high-availability (HA) characteristics result in near-100% uptime?

Answer 4

Resilient

Question 5

Which campus design element easily supports growth and change. Scaling the network is eased by adding new modules in lieu of complete redesigns?

Answer 5

Modular

Question 5

A Large Campus Sized network would have more than how many end devices?

Answer 5

2000 end devices.

Question 6

Which campus design element allows change in business is a guarantee for any enterprise. These changes drive campus network requirements to adapt quickly?

Answer 6

Flexible

Question 7

The Networked Infrastructure Layer in SONA is what?

Answer 7

Where all IT resources interconnect.

Question 7

A Small Campus network would have less than how many end devices?

Answer 7

Less than 200

Question 8

In the Data Center Infrastructure there is the Core and the Access layer, but the distribution layer is replaced by what?

Answer 8

Aggragation Layer

Question 8

What are the three layers of SONA?

Answer 8

• Application layer
• Interactive services layer
• Networked infrastructure layer

Question 10

Normal Data is considered to be what?

Answer 10

File and print services, email, Internet browsing, database access, shared network applications

Question 10

Why are hierarchical designs used with layers as an approach to network design?

Answer 10

Simplification of large-scale designs and Reduce complexity of troubleshooting analysis.

Question 11

ASIC-based (hardware) switching is supported even with ___ and ___, depending on the platform

Answer 11

QoS and ACLs

Question 12

A Medium Sized Campus network would have between how many end devices?

Answer 12

200 to 1000 end devices.

Question 12

Why are Layer 2 domains popular in data center designs?

Answer 12

Data centers place heavier emphasis on low-latency, whereas some applications operate at Layer 2 in an effort to reduce Layer 3 protocol overhead.

Question 14

What is TCAM?

Answer 14

ternary content addressable memory

Question 15

A small-sized campus network might combine which two layers of the hierarchical model?

Answer 15

Core and distribution

Question 16

Signaling traffic and encapsulated voice traffic are classified as what type of traffic?

Answer 16

IP Telephony

Question 17

SONA is an architectural framework that guides the evolution of _____?

Answer 17

Enterprise networks to intelligent network services

Question 18

Name the three layers from Top to Bottom

Answer 18

1. Core
2. Distrubtion
3. Access

Question 19

IP/TV and market data applications are classified as what type of traffic?

Answer 19

IP Multicast

Question 21

What is the Scavenger Class Traffic type?

Answer 21

All traffic with protocols or patterns that exceed normal data flows; less than best-effort traffic, such as peer-to-peer traffic.

Question 23

Which layer in the Campus Architecture grants user access to network devices?

Answer 23

Building Access Layer

Question 24

The Interactive Services Layer in SONA allows for what?

Answer 24

Enable efficient allocation of resources to applications and business processes through the networked infrastructure.

Question 26

What is SONA?

Answer 26

Service-Oriented Network Architecture

Question 27

In the Core Layer you need to implements scalable protocols and technologies such as?

Answer 27

Load Balancing

Question 28

Where would a high-speed campus backbone be located in the Campus Architecture?

Answer 28

Building Core Layer

Question 30

The PPDIOO Phases are? ## Footnote

Answer 30

1. **P**repare 2. **P**lan 3. **D**esign 4. **I**mplement 5. **O**perate 6. **O**ptimizie

Question 31

What are the characteristics of a properly designed campus network

Answer 31

* Modular * Flexible * Scalable * Highly available

Question 32

Which part of the enterprise network that is understood as the portion of the network infrastructure that provides access to services and resources to end users and devices that are spread over a single geographic location?

Answer 32

Campus

Question 33

There are three key elements to the Access Layer in the Campus Architecture, what are they?

Answer 33

1. High availability 2. Convergence 3. Security

Question 34

## Footnote The Building Distribution Layer would use what to isolate network problems?

Answer 34

## Footnote Aggregate wiring closets and use switches to segment workgroups.

Question 35

BPDU, CDP, SNMP, RMON, SSH are examples of what type of traffic?

Answer 35

Network Management