ICT Infrastructure Knowledge

What does ISO stand for?

• International Standards Organization

• International Organization for Standardization

• International Student Organization

• Information Systems Office

Which of the below is correct when talk about Cat6?

_{(Multiple answers can be selected)}

• 250Hz

• Class E

• 250MHz

• 22 AWG

• 4 Twisted Pairs

Which wire map testing is correct?

• Figure (A)

• Figure (B)

• Figure (C)

• None of all

Which of the 8 pin modular jack layouts shows the T568A wiring code?

• 
• 

What does LSZH (or LS0H) stand for?

_{(Answer must be fill in the bank below)}

(a)  

What do we call (?) as in the picture below?

• Cover

• Shield

• Plastic

• Jacket

As we may know that TIA is one of the standards of America, so what scope dose TIA-606 standard express about in the filed?

• Design of Data Center

• Installation of Grounding & Bonding

• Installation of Administration

• Design of Office

Return Loss is another very important parameter that a cabling installation might fail on. What is the Calculation Unit of Return Loss?

• dB (Decibel)

• Ω (Ohm)

• Hz (Hertz)

• μm (Micron)

The structured cabling system we install in buildings today is now commonly being used for PoE devices, so What dose PoE mean?

_{(Answer must be fill in the bank below)}

(a)  

OM3 is the most common type of fiber used in buildings, as it provides a large bandwidth coupled with a relatively long distance, and along with the following specifications:

_{(Multiple answers can be selected)}

• 1Gb Ethernet distance for 1000m @850nm

• 10Gb Ethernet distance for 300m @1300nm

• Max. Attenuation is 3.0dB/Km @850nm

• OM3 used for Backbone only

• OM3 Fiber has 50 or 62.5 micron