CH 3 Flashcards
1
Q
Which of the following describes the arrangement of network cabling between devices? a. Logical topology b. Networking technology c. Physical topology d. Media access method
A
C
2
Q
Which of the following is an advantage of a star topology? (Choose all that apply.) a. Allows faster technologies than a bus does b. Requires less cabling than a bus c. Centralized monitoring of network traffic d. No single point of failure
A
A,C
3
Q
Which technology is likely to be implemented as a point-to-point physical topology? a. Wi-Fi infrastructure mode b. FDDI c. Ethernet d. Wireless bridge
A
D
4
Q
Which of the following describes a hub-based Ethernet network? a. Physical bus b. Logical bus c. Physical switching d. Logical star
A
B
5
Q
You’re configuring a WLAN in a long narrow ballroom. The only place you can put the AP is at the far end of the room. Which type of antenna should you use? a. Unidirectional b. Bidirectional c. Omnidirectional d. Semidirectional
A
A
6
Q
Which best describes a typical wireless LAN? a. Logical ring topology b. Logical switching topology c. Logical bus topology d. Logical star topology
A
C
7
Q
Which of the following is a characteristic of unshielded twisted-pair cabling? (Choose all that apply.) a. Consists of four wires b. Commonly used in physical bus topologies c. Has a distance limitation of 100 meters d. Susceptible to electrical interference
A
C, D
8
Q
Which of the following is true of a MAC address? a. A MAC address of all binary 1s in the source address indicates a broadcast frame. b. It’s sometimes called a logical address. c. A destination address of 12 hexadecimal Fs is a broadcast. d. It’s composed of 12 bits
A
C
9
Q
Which type of Wi-Fi signal interference is most likely to be caused by leaves on trees? a. Diffraction b. Reflection c. Refraction d. Scattering
A
D
10
Q
Which access method uses a "listen before sending" strategy? a. Token passing b. CSMA/CD c. Token bus d. Polling
A
B
11
Q
Which Wi-Fi standard can provide the highest bandwidth? a. 802.11ac b. 802.11b c. 802.11n d. 802.11g
A
A
12
Q
How many channels can be used on an 802.11b network in North America? a. 7 b. 9 c. 11 d. 13
A
C
13
Q
Which access method does Wi-Fi use? a. CSMA/CD b. Token bus c. Demand priority d. CSMA/CA
A
D
