Chapter2_Data Link Layer
- 格式:ppt
- 大小:2.75 MB
- 文档页数:149


Copyright©2015TexasInstrumentsIncorporated.DOCNUM-1.10.00.00User’sGuideSMBusLibraryforMSP430G2xx3Devices1
Copyright
Copyright©2015TexasInstrumentsIncorporated.Allrightsreserved.MSP430andMSP430WarearetrademarksofTexasInstrumentsInstruments.ARMandThumbareregisteredtrademarksandCortexisatrademarkofARMLimited.Othernamesandbrandsmaybeclaimedasthepropertyofothers.
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemi-conductorproductsanddisclaimerstheretoappearsattheendofthisdocument.
TexasInstruments13532N.CentralExpresswayMS3810Dallas,TX75243
/
RevisionInformation
Thisisversion1.10.00.00ofthisdocument,lastupdatedonFriFeb13201511:59:44.TableofContents2
TableofContents
Copyright.....................................................1
RevisionInformation...............................................1
1. Which is true when a broadcast is sent out in an Ethernet 802.3 LAN?
A. The broadcast is sent only to the default gateway.
B. The broadcast is sent only to the destination hardware address in the broadcast.
C. The broadcast is sent to all devices in the collision domain.
D. The broadcast is sent to all devices in the broadcast domain.
2. PDUs at the Network layer of the OSI are called what?
A. Transport
B. Frames
C. Packets
D. Segments
3. Which two statements about a reliable connection-oriented data transfer are true?
A. Receiving hosts acknowledge receipt of data.
B. When buffers are full, packets are discarded and are not retransmitted.
C. Windowing is used to provide flow control and unacknowledged data segments.
D. If the transmitting host’s timer expires before receipt of an acknowledgment, the
1 Chapter 2 Application Layer 1. In the following four descriptions, which one is correct? A In C/S architecture, clients communicate with each other directly.
B In C/S architecture, client has a fixed well-known address. C In P2P architecture, peers communicate with each other directly.
D In P2P architecture, peer has a fixed well-known address. 2. In the context of a communication session between a pair of process, the process that initiates the communication is labeled as the , the process that waits to be contacted to
begin the session is labeled as the . A client process, server process B sending process, receiving process
C input process, output process D communicating process, connecting process 3. A socket is the interface between within a host. A the network layer and the link layer
B the link layer and the physical layer C the application layer and the transport layer
CCNA Exploration 1 Chapter 1 Exam Answers
1. Which of the following are true regarding router interfaces? (Choose three.)
provide temporary memory for the router configuration files.
connect the router to the network for packet entry and exit.
can be on the motherboard or a separate module.
hold the IOS image.
connect the router to LANs and WANs.
2. Which router component holds the configuration file when power is lost?
volatile random access memory.
read only memory.
non-volatile random access memory.
flash memory.
3. During the initial configuration of a 2600 series Cisco router, which cable is required for
connecting a PC to the console port?
twisted.
crossover.
rollover.
straight.
4. What contains the instructions that a router uses to control the flow of traffic through its
interfaces?