Review Questions
The answers to the Chapter Review Questions can be found in Appendix A.
1. ____________________ is immune to electromagnetic or radio-frequency interference.
A. Twisted-pair cabling
B. CSMA/CD
C. Broadband coaxial cabling
D. Fiber-optic cabling
2. Which IEEE 802 standard defines a bus topology using coaxial baseband cable and is able to transmit at 10Mbps?
A. 802.1
B. 802.2
C. 802.3
D. 802.5
3. Which OSI layer signals “all clear” by making sure the data segments are error free?
A. Application layer
B. Session layer
C. Transport layer
D. Network layer
4. ___________________ is the type of media access method used by NICs that listen to or sense the cable to check for traffic and send only when they hear that no one else is transmitting.
A. Token passing
B. CSMA/CD
C. CSMA/CA
D. Demand priority
5. What model is used to provide a common way to describe network protocols?
A. OSI
B. ISO
C. IEEE
D. CSMA/CD
6. A physical star topology consists of several workstations that branch off a central device called a ____________________ .
A. NIC
B. Bridge
C. Router
D. Hub
7. Of all network cabling options, ___________________ offers the longest possible segment length.
A. Unshielded twisted-pair
B. Coaxial
C. Fiber-optic
D. Shielded twisted-pair
8. What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination?
A. Routers
B. Bridges
C. Hubs
D. Switches
9. In which network design do users access resources from other workstations rather than from a central location?
A. Client-server
B. Star
C. Ring
D. Peer-to-peer
10. Which of the following wireless communication standards is often described in terms of a wireless personal area network?
A. Bluetooth
B. Infrared
C. Cellular
D. Ethernet
11. Which of the following statements are not associated with a star network? (Choose all that apply.)
A. A single cable break can cause complete network disruption.
B. All devices connect to a central device.
C. It uses a single backbone computer to connect all network devices.
D. It uses a dual-ring configuration.
12. If you are going to run a network cable in the space above the drop ceiling in your office, which type of cable should you use?
A. Plenum
B. PVC
C. Coaxial
D. Fiber-optic
13. Which of the following connector types is an MFF connector?
A. BNC
B. ST
C. SC
D. LC
14. What troubleshooting device would you use if you needed to trace a cable through a wall?
A. Toner probe
B. Cable tester
C. Multimeter
D. Loopback plug
15. You have been asked to configure a full mesh network with seven computers. How many connections will this require?
A. 6
B. 7
C. 21
D. 42
16. Which tool is used by technicians to connect an RJ-45 connector to the end of a cable?
A. Punch-down tool
B. Crimper
C. Cable tester
D. Loopback plug
17. What type of device will block unwanted traffic from your network using a set of rules called an ACL?
A. Router
B. Firewall
C. Internet appliance
D. NAS
18. What type of coaxial cable is recommended for digital television cable signals?
A. RG-6
B. RG-8
C. RG-58
D. RG-59
19. Which of the following devices work at Layer 2 of the OSI model? (Choose two.)
A. Hub
B. Router
C. Bridge
D. Switch
20. Transmitting at 10Gbps, how far can signals on an MMF cable travel?
A. 100 meters
B. 550 meters
C. 1 kilometer
D. 40 kilometers