Chapter 3 Computer Rooms & Multisite Network Design

Question 1

NAME THE 2 DESIGN PROCESSES THAT ARE USED TO PRODUCE A COMPREHENSIVE SET OF DRAWINGS FOR A POROPOSED NETWORK?

Answer 1

1. FUNCTIONAL (TOP-DOWN)
2. PHYSICAL (BOTTOM-UP)

Question 2

WHAT DOES A NETWORK DESIGNER ACCESS FIRST DURING THE FUNCTIONAL DESIGN PROCESS?

Answer 2

TYPES OF USERS AND APPLICATIONS LIKELY TO BE SUPPORTED BY THE PROPOSED NETWORK.

Question 3

WHAT DOES A NETWORK DESIGNER ACCESS FIRST DURING THE PHYSICAL DESIGN PROCESS?

Answer 3

THE SITES WHERE THE PROPOSED NETWORK IS TO BE DEPLOYED.

Question 4

WHICH LOCATION ARE COMPUTER ROMMS (CRS) TRADITIONALLY ASSOCIATED?

Answer 4

IN THE DATA CENTERS.

Question 5

NAME THE 2 PRIMARY COMPONENTS OF NETWORK REDUNDANCY?

Answer 5

1. TELECOMMNICATIONS INFRASTRUCTURE
2. HARDWARE INFRASTUCTURE

Question 6

WHAT TOPOLOGY CLASS IS USED FOR THE BASIC TELECOMMUNICATIONS INFRASTRUCTURE?

Answer 6

CLASS 1

Question 7

WHAT IS PRIMARY DIFFERENCE BETWEEN A CLASS 1 & 2 TELECOMMUNICATIONS NETWORK?

Answer 7

IN A CLASS 2 INFRASTRUCTUR, THE ER IS SERVED BY AT LEAST TWO CONNECTIONS FROM THE SAME OF DIFFERENT AP NETWORKS. THE CLASS 1 INFRASTRUCTURE HAS ONLY ONE CONNECTION TO AP NETWORK.

Question 8

WHERE DOES A CLASS 3 SYSTEM OFFER REDUNCANCY?

Answer 8

AT THE SYSTEM LEVEL

Question 9

HOW MUCH SEPERATION SHOULD BE MAINTAINED BETWEEN INCOMING SERVICES IN A CALSS 3 DATA CENTER?

Answer 9

20 M (66 FT)

Question 10

HOW MANY DHAS ARE REQUIRED IN EACH EWQUIPMENT DISTRIBUTION AREA IN A CLASS 4 INFRASTRUCTURE?

Answer 10

2

Question 11

HOW MANY SINGLE POINT OF FAILURE ARE PERMITTED IN A CLASS 4 INFRASTUCTURE?

Answer 11

0 (NO SINGLE POINT OF FAILURE)

Question 12

WHAT IS THE PURPOSE OF A REDUNDANT CORE SWITCH?

Answer 12

IT PROVIDES A BACKUOP CONNECTION TO EACH SERVER THROUGH A SECOND NETWROK INTERFACE, THERBY PROVINDING ADDITIONAL FAULT TOLERANCE.

Question 13

WHAT IT THE MAIN CHALLENGE ASSOCIATED WITH DESIGNING A CABLING SYSTEM IN THE CR?

Answer 13

THE EXPECTED USEFUL LIFE OF THE CABLING INFRASTRUCTURE.

Question 14

NAME 3 TOPOLOGIES THAT ARE USED IN A COMPUTER ROOM?

Answer 14

1. CNETRALIZED
2. END-OF-ROW (IN-ROW)
3. TOP-OF-RACK

Question 15

WHICH CR TOPOLOGY USES THE MOST CABLING?

Answer 15

CENTRALIZED

Question 16

NAME 2 ADVANTAGES OF A CENTRALIZED TOPOLOGY?

Answer 16

1. CENTRALIZED ACCESS TO ALL CR SWITCH CONNECTIONS.
2. EUIPMENT COS SAVINGS DUE TO THE NEED FOR FEWER SWICTHES THAN OTHER TOPOLOGIES.

Question 17

HOW MANY LEVELS OF SWITCHES ARE USED IN THE END-OF-ROW TOPOLOGY?

Answer 17

2

Question 18

DOES THE END-OF-ROW USE MORE OR LESS CABLING THEN THE CENTRALIZED TOPOLOGY?

Answer 18

LESS

Question 19

WHICH TOPOLOGY JUSES MORE SWITCHES?

Answer 19

END-OF-ROW

Question 20

WHICH DATA CENTER TOPOLGU USES THE LEAST AMOUNT OF CANBLING?

Answer 20

TOP-OF-RACK

Question 21

WHAT TYPE OF DESIGN IS RECOMMENDED FOR A CAMPUS NETWORK?

Answer 21

CENTRALIZED

Question 22

NAME 2 HARDWARE COMPONENTS ASSOCIATED WITH A MULISITE NETWORK?

Answer 22

1. SWITCH/ROUTER WITH INTERNAL OR EXTERNAL TELECOMMUNICATIONS CIRCUIT INTERFACES.
2. TELECOMMUNICATIONS CIRCUITS LINKING SITE TO THE SP FACILITY.

Question 23

NAME 3 COMPONENTS THAT ARE USED TO DIRECT MESSAGE TRAFFIC IN A MULTISITE NETWORK?

Answer 23

1. DEDICATED PTP CIRCUIT
2. PRIVATE NETWORK OWNED AND OPERATED BY ONE OR MORE SPS.
3. PUBLIC INTERNET.

Question 24

NAME 3 DEDICATED CIRCUIT DESIGNS THAT CAN BE USED IN A WAN NETWORK?

Answer 24

1. CENTRALIZED
2. PARTIAL MESH
3. FULL MESH

Question 25

WHAT IS A WAN HUB?

Answer 25

A CENTRALIZED WAN USED TO LINK TWO OR MORE REMOTE SITES TO A CENTRAL SITE.

Question 26

WHAT IS A DISADVANTAGE ASSOCIATED WITH CENTRALIZED WAN DESIGNS?

Answer 26

THE POTENIAL FOR TOTAL WAN FAILURE IN THE EVENT OF DISRUPTION AT THE CENTRAL WAN HUB.

Question 27

HOW DOES A PARTIAL MESH WAN DESIGN ELEIMINATE THE RISK OF A SINGLE POINT OF FAILURE?

Answer 27

BY LINKING EACH SITE IN THE WAN TO TWO OTHER SITES, SO TRAFFIC CAN BE REROUTED IN THE EVENT OF A SINGLE LINK FAILURE.

Question 28

HOW DOSE A FULL MESH WAN DESIGN LINK SITES?

Answer 28

IT LINKS EACH SITE TO ALL OTHER SITES IN THE WAN.