Review Questions
Written on 05:22 by Ahmet Emir
Review Questions Answers to Review Questions
The afterward questions are advised to analysis your compassionate of this
chapter’s material. For added advice on how to get added questions,
please see this book’s Introduction.
1. A accepting host has bootless to accept all of the segments that it should acknowledge. What can
the host do to advance the believability of this advice session?
A. Send a altered antecedent anchorage number.
B. Restart the basic circuit.
C. Decrease the arrangement number.
D. Decrease the window size.
2. Which fields are independent aural an IEEE Ethernet anatomy header? (Choose two.)
A. Antecedent and destination MAC address
B. Antecedent and destination arrangement address
C. Antecedent and destination MAC abode and antecedent and destination arrangement address
D. FCS field
3. Which band 1 accessories can be acclimated to enlarge the breadth covered by a distinct LAN segment?
(Choose two.)
A. Switch
B. NIC
C. Hub
D. Repeater
E. RJ45 transceiver
4. Analysis of a abstracts beck happens at which band of the OSI model?
A. Physical
B. Abstracts Link
C. Network
D. Transport
5. Which of the afterward call router functions? (Choose four.)
A. Packet switching
B. Blow prevention
C. Packet filtering
D. Advertisement area enlargement
E. Internetwork communication
F. Advertisement forwarding
G. Path selection
Review Questions 57
6. Routers accomplish at band __. LAN switches accomplish at band __. Ethernet hubs accomplish at band __.
Word processing operates at band __.
A. 3, 3, 1, 7
B. 3, 2, 1, none
C. 3, 2, 1, 7
D. 2, 3, 1, 7
E. 3, 3, 2, none
7. Back abstracts is encapsulated, which is the actual order?
A. Data, frame, packet, segment, bit
B. Segment, data, packet, frame, bit
C. Data, segment, packet, frame, bit
D. Data, segment, frame, packet, bit
8. Why does the abstracts advice industry use the layered OSI advertence model? (Choose two.)
A. It divides the arrangement advice action into abate and simpler components, thus
aiding basic development, design, and troubleshooting.
B. It enables accessories from altered vendors to use the aforementioned cyberbanking components, thus
saving analysis and development funds.
C. It supports the change of assorted aggressive standards and appropriately provides business
opportunities for accessories manufacturers.
D. It encourages industry acclimation by defining what functions action at anniversary band of
the model.
E. It provides a framework by which changes in functionality in one band crave changes in
other layers.
9. What are two purposes for analysis with a bridge?
A. To add added advertisement domains
B. To actualize added blow domains
C. To add added bandwidth for users
D. To acquiesce added broadcasts for users
10. Which of the afterward are different characteristics of half-duplex Ethernet back compared to
full-duplex Ethernet? (Choose two.)
A. Half-duplex Ethernet operates in a aggregate blow domain.
B. Half-duplex Ethernet operates in a clandestine blow domain.
C. Half-duplex Ethernet has college able throughput.
D. Half-duplex Ethernet has lower able throughput.
E. Half-duplex Ethernet operates in a clandestine advertisement domain.
58 Chapter 1 Internetworking
11. You appetite to apparatus a arrangement average that is not affected to EMI. Which blazon of
cabling should you use?
A. Thicknet coax
B. Thinnet coax
C. Category 5 UTP cable
D. Fiber-optic cable
12. Acknowledgments, sequencing, and breeze ascendancy are characteristics of which OSI layer?
A. Band 2
B. Band 3
C. Band 4
D. Band 7
13. Which of the afterward are types of breeze control? (Choose all that apply.)
A. Buffering
B. Cut-through
C. Windowing
D. Congestion avoidance
E. VLANs
14. Which of the afterward types of access can use abounding duplex? (Choose three.)
A. Hub to hub
B. About-face to switch
C. Host to host
D. About-face to hub
E. About-face to host
15. What is the purpose of breeze control?
A. To ensure that abstracts is retransmitted if an acceptance is not received
B. To arouse segments in the actual adjustment at the destination device
C. To accommodate a agency for the receiver to administer the bulk of abstracts beatific by the sender
D. To adapt the admeasurement of anniversary segment
16. Which three statements are accurate about the operation of a full-duplex Ethernet network?
A. There are no collisions in full-duplex mode.
B. A committed about-face anchorage is appropriate for anniversary full-duplex node.
C. Ethernet hub ports are preconfigured for full-duplex mode.
D. In a full-duplex environment, the host arrangement agenda charge analysis for the availability of the
network media afore transmitting.
E. The host arrangement agenda and the about-face anchorage charge be able of operating in full-duplex mode.
Review Questions 59
17. What blazon of RJ45 UTP cable is acclimated amid switches?
A. Straight-through
B. Crossover cable
C. Crossover with a CSU/DSU
D. Crossover with a router in amid the two switches
18. How does a host on an Ethernet LAN apperceive back to address afterwards a blow has occurred?
(Choose two.)
A. In a CSMA/CD blow domain, assorted stations can auspiciously address data
simultaneously.
B. In a CSMA/CD blow domain, stations charge delay until the media is not in use before
transmitting.
C. You can advance the CSMA/CD arrangement by abacus added hubs.
D. Afterwards a collision, the base that detected the blow has aboriginal antecedence to resend the
lost data.
E. Afterwards a collision, all stations run a accidental backoff algorithm. Back the backoff delay
period has expired, all stations accept according antecedence to address data.
F. Afterwards a collision, all stations complex run an identical backoff algorithm and again synchronize
with anniversary added above-mentioned to transmitting data.
19. What blazon of RJ45 UTP cable do you use to affix a PC’s COM anchorage to a router or switch
console port?
A. Straight-through
B. Crossover cable
C. Crossover with a CSU/DSU
D. Rolled
20. You accept the afterward bifold number:
10110111
What are the decimal and hexadecimal equivalents?
A. 69/0x2102
B. 183/B7
C. 173/A6
D. 83/0xC5
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