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1 | |
Which of the following are standard network topologies? |
| | A) | Bus |
| | B) | Star |
| | C) | Ring |
| | D) | Dual-ring |
| | E) | Answers A, B, and C |
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2 | |
John was carrying on at the water cooler the
other day, trying to show off his knowledge
of networking. He claimed that the company
had installed special cabling to handle the
problems of crosstalk on the network. What
kind of cabling did the company install? |
| | A) | Coaxial |
| | B) | Shielded coaxial |
| | C) | Unshielded twisted pair |
| | D) | Fiber-optic |
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3 | |
Jill needs to run some UTP cable from one
office to another. She found a box of cable in
the closet and wants to make sure it’s CAT 5
or better. How can she tell the CAT level of the
cable? |
| | A) | Check the box. |
| | B) | Scan for markings on the cable. |
| | C) | Check the color of the cable—gray means CAT 5, yellow means CAT 6e, and so on. |
| | D) | Check the ends of the cable. |
| | E) | Answers A and B |
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4 | |
What topology provides the most fault tolerance? |
| | A) | Bus |
| | B) | Ring |
| | C) | Star-bus |
| | D) | Mesh |
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5 | |
What organization is responsible for establishing and promoting networking standards? |
| | A) | Institute of Electrical and Electronics Engineers (IEEE) |
| | B) | International Networking Standards Organization (INSO) |
| | C) | Federal Communications Commission (FCC) |
| | D) | International Telecommunications Association (ITA) |
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6 | |
What aspects of network cabling do the IEEE committees establish? (Select three.) |
| | A) | Frame size |
| | B) | Speed |
| | C) | Color of sheathing |
| | D) | Cable types |
| | E) | Answers A, B, and D |
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7 | |
What types of coax cabling have been used in
computer networking? |
| | A) | RG-8 |
| | B) | RG-45 |
| | C) | RG-58 |
| | D) | RG-62 |
| | E) | Answers A, C, and D |
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8 | |
What applications are best suited for fiberoptic cabling? |
| | A) | Short distances |
| | B) | Wireless networks |
| | C) | High-EMI areas |
| | D) | Long distances |
| | E) | Answers C and D |
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9 | |
9. What are the main components of fiber-optic cabling? |
| | A) | Cladding |
| | B) | Insulating jacket |
| | C) | Copper core |
| | D) | Fiber |
| | E) | Answers A, B, and D |
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10 | |
What is the most popular size fiber-optic cabling? |
| | A) | 62.5/125 µm |
| | B) | 125/62.5 µm |
| | C) | 50/125 µm |
| | D) | 125/50 µm |
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11 | |
Most fiber-optic installations use LEDs to send light signals and are known as what? |
| | A) | Single-mode |
| | B) | Multimode |
| | C) | Complex mode |
| | D) | Duplex mode |
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12 | |
Why must the main cable in a bus topology be terminated at both ends? |
| | A) | To allow the signal to be amplified so it can reach both ends of the network |
| | B) | To prevent the signal from dropping off the network before reaching all computers |
| | C) | To prevent the signal from bouncing back and forth |
| | D) | To convert the signal to the proper format for a bus network |
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13 | |
Where are you most likely to encounter a mesh network? |
| | A) | On any network using fiber-optic cable |
| | B) | On any network using plenum cable |
| | C) | On wireless networks |
| | D) | On wired networks |
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14 | |
You are asked by your boss to research upgrading all the network cable in your office building. The building manager requires the safest possible cabling type in case of fire, and your boss wants to futureproof the network so cabling doesn’t need to be replaced when network technologies
faster than 1 Gbps are available. You decide to use CAT 5e plenum cabling throughout the building. Which objective have you satisfied? |
| | A) | Neither the building manager’s nor your boss’s requirements have been met. |
| | B) | Only the building manager’s requirement has been met. |
| | C) | Only your boss’s requirement has been met. |
| | D) | Both the building manager’s and your boss’s requirements have been met. |
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15 | |
Which committee is responsible for wireless networking standards? |
| | A) | IEEE 802.2 |
| | B) | IEEE 802.3 |
| | C) | IEEE 802.5 |
| | D) | IEEE 802.11 |
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