Which UTP wiring uses four twisted wire pairs (eight wires) and is rated for 250MHz?
Category 6
The point at which the operational control or ownership changes from your company to a service provider is referred to as ______.
Demarcation point or demarc
Which type of cable will you use to connect switches?
Crossover
Which RG rating of coax is used for cable modems?
RG-6
Which UTP uses four twisted wire pairs (eight wires), is rated for 100MHz, and is capable of handling disturbance on each pair caused by transmitting on all four pairs at the same time?
Category 5e
You want to connect a host to a switch port. What type of Ethernet cable will you use?
Straight-through
In what instance would you use T1 crossover cable?
To connect two CSU/DSUs
568A uses which pins to make a connection?
1, 2, 3, and 6
568B uses which pins to make a connection?
1 to 3 and 2 to 6
What are two advantages of fiber-optic cabling?
- It is immune to EMI and RFI
- It can transmit up to 40 Km (25 miles)
What does EMI stand for?
Electromagnetic Interference
What does RFI stand for?
Radio Frequency Interference
Why would a network administrator use plenum-rated cable during an installation?
A. Low combustion temperature
B. High combustion temperature
C. Reduces toxic gas released during a fire
D. It is not susceptible to any intererence
B. High combustion temperature
C. Reduces toxic gas released during a fire
Which of the following Ethernet Unshielded twisted-pair cabling types are commonly used?
D. All of the above
In which of the following categories is UTP not rated?
D. Category 8
What type of connector does UTP cable typically use?
C. RJ-45
Which of the following provides the longest cable run distance?
D. Single-mode fiber
You need to crimp on a connector using an RJ-45 connector. Which pin-out configuration would you use to connect a host to a switch?
D. Straight-through
Fiber-optic cable is immune to electromagnetic interference (EMI) and radio frequency interference (RFI) because it ______.
B. Transmits digital signals using light impulses
What type of cable transmits lights from end to end?
D. Fiber-optic
What is the main difference between single-mode fiber (SMF) and multimode fiber (MMF)?
D. Number of light rays
What type of cable should be used if you need to make a cable run longer than 100 meters?
A. Fiber-optic
Which of the following are fiber-optic connectors? Select three.
D. ST
D. SC
E. LC
You need to connect two devices on a vertical connect and they need to send voice traffic. Which of the following cable will you use?
A. Cat 5
How many hosts on a half-duplex segment can talk at one time?
B. 1
Which type of cable does EMI have the least effect on?
C. Fiber-optic
How many devices can be connected to a full-duplex segment?
D. 2
How many wires are used in a 100 Mbps UTP transmission?
C. 4
A crossover cable is used to connect all of the following except _____.
D. Host to switch
How is a T1 crossover cable crosses wired?
C. Pins 1, 2, 4, and 5 are connected to 4, 5, 1, and 2
The purpose of the demarcation point is to separate the customer from whom?
A. The service provider
You need to make a 568B cable for a FastEthernet link. How many pairs will you use?