CCDA 640-864 Official Cert Guide

Anthony Bruno, Steve Jordan,

Chapter 2 Network Structure Models - all with Video Answers

Educators

Chapter Questions

Problem 1

True or false: The core layer of the hierarchical model does security filtering and media translation.

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Problem 2

True or false: The access layer provides high availability and port security.

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Problem 3

You add Communications Manager to the network as part of a Voice over IP (VoIP) solution. In which sub-module of the Enterprise Architecture model should you place Communications Manager?

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Problem 4

True or false: HSRP provides router redundancy.

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Problem 5

Which enterprise edge sub-module connects to an ISP?

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Problem 6

List the six modules of the Cisco Enterprise Architecture model for network design.

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Problem 7

True or false: In the Cisco Enterprise Architecture model, the network management sub-module does not manage the SP edge.

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Problem 8

True or false: You can implement a full-mesh network to increase redundancy and reduce a WAN's costs.

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09:35

Problem 9

How many links are required for a full mesh of six sites?

Chris Trentman

Numerade Educator

Problem 10

List and describe four options for multi-homing to the SP between the Enterprise Edge and the SP Edge. Which option provides the most redundancy?

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Problem 11

To what enterprise edge sub-module does the SP Edge Internet sub-module connect?

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Problem 12

What are four benefits of hierarchical network design?

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Problem 13

In an IP telephony network, in which sub-module or layer are the IP phones and CUCM servers located?

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Match the redundant model with its description:
i. Workstation-router redundancy
ii. Server redundancy
iii. Route redundancy
iv. Media redundancy
a. Cheap when implemented in the LAN and critical for the WAN
b. Provides load balancing
c. Host has multiple gateways
d. Data is replicated

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Problem 15

True or false: Small to medium campus networks must always implement three layers of hierarchical design.

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Problem 16

How many full-mesh links do you need for a network with ten routers?

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Problem 17

Which layer provides routing between VL.ANs and security filtering?
a. Access layer
b. Distribution layer
c. Enterprise edge
d. WAN module

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Problem 18

List the four modules of the enterprise edge area.

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02:49

Problem 19

List the three submodules of the SP edge.

Qudsiya Anis

Numerade Educator

01:35

Problem 20

List the components of the Internet edge.

Sanchit Jain

Numerade Educator

Problem 21

Which submodule contains firewalls, VPN concentrators, and ASAs?
a. WAN
b. VPN/remote access
c. Internet
d. Server farm

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01:26

Problem 22

Which of the following describe the access layer? (Select two.)
a. High-speed data transport
b. Applies network policies
c. Performs network aggregation
d. Concentrates user access
e. Provides PoE
f. Avoids data manipulation

Narayan Hari

Numerade Educator

01:26

Problem 23

Which of the following describe the distribution layer? (Select two.)
a. High-speed data transport
b. Applies network policies
c. Performs network aggregation
d. Concentrates user access
e. Provides PoE
f. Avoids data manipulation

Narayan Hari

Numerade Educator

01:26

Problem 24

Which of the following describe the core layer? (Select two.)
a. High-speed data transport
b. Applies network policies
c. Performs network aggregation
d. Concentrates user access
e. Provides PoE
f. Avoids data manipulation

Narayan Hari

Numerade Educator

Problem 25

Which campus submodule connects to the enterprise edge module?
a. SP edge
b. WAN submodule
c. Building distribution
d. Campus core
e. Enterprise branch
f. Enterprise data center

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Problem 26

Which remote module connects to the enterprise via the Internet or WAN submodules and contains a small LAN switch for users?
a. SP edge
b. WAN submodule
c. Building distribution
d. Campus core
e. Enterprise branch
f. Enterprise data center

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Problem 27

Which three types of servers are placed in the e-commerce submodule?
a. Web
b. Application
c. Database
d. Intranet
e. Internet
f. Public share

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Problem 28

Which is the campus core layer?

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01:42

Problem 29

Which is the enterprise edge?

M Hassan Anwar

Numerade Educator

Problem 30

Which is the campus access layer?

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00:36

Problem 31

Which is the enterprise edge distribution?

Norman Atentar

Numerade Educator

00:36

Problem 32

Which is the campus distribution layer?

Norman Atentar

Numerade Educator

Problem 33

Which is the campus data center?

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Problem 34

Which solution supports the enterprise teleworker?
a. IP telephony
b. Enterprise campus
c. Cisco virtual office
d. SP edge
e. Hierarchical design
f. Data Center 3.0

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01:53

Problem 35

Which are two benefits of using a modular approach?
a. Simplifies the network design
b. Reduces the amount of network traffic on the network
c. Often reduces the cost and complexity of the network
d. Makes the network simple by using full mesh topologies

Sanchit Jain

Numerade Educator

Problem 36

Which three modules provide infrastructure for remote users? (Select three.)
a. Teleworker module
b. WAN module
c. Enterprise branch module
d. Campus module
e. Enterprise data center
f. Core, distribution, access layers

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Problem 37

Which are borderless networks infrastructure services? (Select three.)
a. IP telephony
b. Security
c. QoS
d. SP edge
e. High availability
f. Routing

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Problem 38

Which module contains devices that supports AAA and stores passwords?
a. WAN module
b. VPN module
c. Server farm module
d. Internet connectivity module
e. SP edge
f. TACACS

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Problem 39

Which topology is best used for connectivity in the building distribution layer?
a. Full mesh
b. Partial mesh
c. Hub and spoke
d. Dual ring
e. EthernetChannel

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Problem 40

What are two ways that wireless access points are used? (Choose two.)
a. Function as a hub for wireless end devices
b. Connect to the enterprise network
c. Function as a Layer 3 switch for wireless end devices
d. Provide physical connectivity for wireless end devices
e. Filter out interference from microwave devices

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Problem 41

In which ways does application network services helps resolve application issues?
a. It can compress, cache, and optimize content.
b. Optimizes web streams which can reduce latency and offload the web server.
c. Multiple data centers increases productivity.
d. Improves application response times by using faster servers.

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01:26

Problem 42

Which are key features of the distribution layer?
a. Aggregates access layer switches
b. Provides a routing boundary between access and core layers
c. Provides connectivity to end devices
d. Provides fast switching
e. Provides transport to the enterprise edge
f. Provides VPN termination

Narayan Hari

Numerade Educator

Problem 43

Which Cisco solution allows a pair of switches to act as a single logical switch?
a. HSRP
b. VSS
c. STP
d. GLB

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Problem 44

Which module or layer connects the server layer to the enterprise edge?
a. Campus distribution layer
b. Campus data center access layer
c. Campus core layer
d. Campus MAN module
e. WAN module
f. Internet connectivity module

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01:00

Problem 45

Which server type is used in the Internet connectivity module?
a. Corporate
b. Private
c. Public
d. Internal
e. Database
f. Application

Aditya Sood

Numerade Educator

Problem 46

Which server types are used in the e-commerce module for users running applications and storing data? (Select three.)
a. Corporate
b. Private
c. Public
d. Internet
e. Database
f. Application
g. Web

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01:07

Problem 47

Based on Figure 2-20, and assuming that devices may be in more than one layer, list which devices are in each layer.

Vishal Parmar

Numerade Educator

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Problem 3

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Problem 12

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Problem 15

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Problem 18

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Problem 21

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Problem 26

Problem 27

Problem 28

Problem 29

Problem 30

Problem 31

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Problem 33

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Problem 35

Problem 36

Problem 37

Problem 38

Problem 39

Problem 40

Problem 41

Problem 42

Problem 43

Problem 44

Problem 45

Problem 46

Problem 47

Problem 48

Problem 49

Problem 50