Cables and Connectors (Module 2)

Question 1

What would a cable that is rolled over with an RJ-45 connector on one end and a USB connector on the other end be used for?

A. Serial WAN link connection
B. Host to switch connection
C. Console connection
D. Router to switch connection

Answer 1

C (Console connection)

Explanation: Crossover and straight through cables are used for network communication. Rolled over
cables are designed specifically with accessing the console port. Modern laptops do not have an RS-232
serial port and would use the type of cable described in the question with a USB connector at one end.

Question 2

Fiber optic cables will commonly terminate on a special purpose-built piece of hardware that can be
removed from the device known as a:

A. Fiber port
B. SPF
C. SFP
D. FSP

Answer 2

C (SFP)

Explanation: Both SFPs and GBICs are small modules that fit in a modular slot on a router or switch
usually to allow the connection of fiber optic cables. GBICs are an older technology and are larger than
SFPs.

Question 3

What is the most common connector used with ethernet cables?

A. RJ-11
B. RJ-22
C. RJ-45
D. RJ-48

Answer 3

C (RJ-45)

Explanation: Depending on the port-type and the age of the equipment, there can be different cable
connectors required for ethernet connections. However, the most common ethernet cable connector is
the push and click style RJ-45.

Question 4

Cat 5e cabling contains how many pairs of wires?

A. 2
B. 3
C. 4
D. 6

Answer 4

C (4)

Explanation: There are 4 pairs of wires – 8 wires total. 4 of the wires are orange, green blue and
brown. The other 4 wires are the same colors, but each has a white stripe as well.

Question 5

DSL is a technology that runs over the phone lines or POTS lines (Plain Old Telephone Service).
What type of connector is used with the termination of DSL and how many wires are used?

A. RJ-45, 8
B. RJ-45, 6
C. RJ-11, 8
D. RJ-11, 6

Answer 5

D (RJ-11, 6 wires)

Explanation: DSL comes into your house or business via the phone lines. POTS line terminate with RJ-11
connectors and use only 6 wires. The RJ-11 is similar to the RJ-45 except that it is a little smaller.