Section 3: Cabling Topology

Question 1

What is (fully) mesh topology?

Answer 1

A network where all computers are connected to each other

Question 2

What is bus topology?

Answer 2

Drop lines (mostly obsolete)

Question 3

What is ring topology?

Answer 3

Token ring is like buss but in circle

Question 4

What is star topology?

Answer 4

…

Question 5

What is star buss?

Answer 5

Like a buss but all the cable is in one switch

Question 6

What does the Radio Grade (RG) rating mean?

Answer 6

The thickness of conductors, insulation, and shielding of the cable

Question 7

What is the ohm (resistance) and connector type of RG-59?

Answer 7

75 / F-type

Question 8

What is the ohm (resistance) and connector type of RG-58?

Answer 8

50 / BNC

Question 9

What is the ohm (resistance) and connector type of RG-6?

Answer 9

75 / BNC??

Question 10

What do we twist cabling pairs?

Answer 10

It lets the signal travel farther

Question 11

What is unshielded twisted pairs?

Answer 11

While cheap it lacks protection

Question 12

What kind of connector is commonly used for 4 pair twisted cables?

Answer 12

RJ-45

Question 13

What’s the difference in 4 pair order between 568A and 568B

Answer 13

Swapping the green and orange
GS/G/OS – O vs
OS/O/GS – G

Question 14

What is the speed / distance of the following CAT ratings? 
3
5-5e
6 
6a
7

Answer 14

10 Mbps
100-1000 Mbps @ 100m
1 Gbps @ 100m
10 Gbps @ 100m
10 Gbps @ 100m (Shielded)

Question 15

In fiber optic cabling what is the difference between multi/single mode?

Answer 15

Multimode carries LED signals (usually orange)

Single mode carry laser signals (usually yellow)

Question 16

What does an ST or SC connector look like?

Answer 16

Push pin and square push pin

Question 17

What is an FC connector?

Answer 17

Like an ST but it screws instead of push n’ twist

Question 18

What does an LC and MT-RJ connector look like?

Answer 18

Two connectors in one (square), MT-RJ is smaller

Question 19

What is the difference between PC, UPC, and APC contacts in fiber optic cables?

Answer 19

Square rounded, rounded, angled

Question 20

For fire ratings what is plenum vs riser rated?

Answer 20

Plenum is the space above ceiling tiles, Riser runs between floors in buildings

Question 21

Name two legacy serial network connections

Answer 21

DB-9 and DB-25

Question 22

What were parallel ports typically used for?

Answer 22

Printers

Question 23

What was a Yost (rollover) cable used for?

Answer 23

configure a router to a switch