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CCNA151~200題解析

( ) 151.What are features of the cut-through switching technology?(choose 2)
               A.Copy an entire frame to its buffer.
               B.Copy a frames destination address to its buffer
               C.Has more latency than store-and-forward switching
               D.Has less latency than store-and-forward switching
               E.no latency
 
151.下列哪兩個選項是直通式交換式技術的特點?
               A.Copy an entire frame to its buffer.
               B.Copy a frames destination address to its buffer
               C.Has more latency than store-and-forward switching
               D.Has less latency than store-and-forward switching
               E.no latency

ANS(B、D)

 
( ) 152.How much speed will a full-duplex 10 Bass T theoretically has?
               A.10 Mbps
               B.20Mbps
               C.185Mbps
               D.100Mbps
               E.200Mbps
 
152.全雙工的10 Bass T 理論上有多少速度?
               A.10 Mbps
               B.20Mbps
               C.185Mbps
               D.100Mbps
               E.200Mbps

 
ANS(B)
 
( ) 153.Which one of followings has a maximum segment lenght of 500 meters?
               A.10 Base 2
               B.10 Base 5
               C.10 Base T
               D.100 Base FX
               E.100 Base T4
 
153.哪一個選項的最大區段長500米?
               A.10 Base 2
               B.10 Base 5
               C.10 Base T
               D.100 Base FX
               E.100 Base T4


 
ANS(B)
 
( ) 154.Which one of followings has a maximum segment lenght of 400 meters?
               A.10 Base T
               B.100 Base T
               C.100 Base T4
               D.100 Base FX
 
154.哪一個選項的最大區段長400米?
               A.10 Base T
               B.100 Base T
               C.100 Base T4
               D.100 Base FX

 
ANS(D)
 
( ) 155.Which are features of the store-and-forward switching technology?(choose 2)
               A.Copy an entire frame to its buffer.
               B.Copy a frames destination address to its buffer
               C.Has more latency than cut-through switching
               D.Has less latency than cut-through switching
               E.no latency at all
 
155.下列哪兩個選項是儲存後轉送交換式技術的特點?
               A.Copy an entire frame to its buffer.
               B.Copy a frames destination address to its buffer
               C.Has more latency than cut-through switching
               D.Has less latency than cut-through switching
               E.no latency at all


 
ANS(A、C)
 
( ) 156.What's the advantage of a virtual local area network(VLAN)?
               A.Use physical location grouping function
               B.Use logical grouping of physical location
               C.Use virtual application to implement LAN
               D.Use physical grouping of logical location
 
156.下列哪個選項是使用VLAN的好處?
               A.Use physical location grouping function
               B.Use logical grouping of physical location
               C.Use virtual application to implement LAN
               D.Use physical grouping of logical location



 
ANS(B)
 
( ) 157.You use a bridge to segment a LAN, your station sends out packs with source and destination address on the same segment, what will the bridge do?
               A.Bridge Broadcast the packets
               B.Bridge drop the packets
               C.Bridge holds the packets
               D.Bridge sends the packets back to source
 
157.你在不同區段的區域網路使用橋接器，當相同區段的來源位址朝目的位址傳送封包時，橋接器會怎麼做?
               A.Bridge Broadcast the packets
               B.Bridge drop the packets
               C.Bridge holds the packets
               D.Bridge sends the packets back to source




 
ANS(B)
 
( ) 158.What are the advantages of Fast Ethernet(choose 3)
               A.Easily upgrade from 10 Base T
               B.lower performance than 10 Base T
               C.Higher performance than 10 Base T
               D.More secure than 10 Base T
               E.Utilize the cable and other hardware
 
158.下列哪三個是高速乙太網路的優點?
               A.Easily upgrade from 10 Base T
               B.lower performance than 10 Base T
               C.Higher performance than 10 Base T
               D.More secure than 10 Base T
               E.Utilize the cable and other hardware
 
ANS(A、C、E)
 
( ) 159.Which one of following will a bridge use to determine the packets should be forward or drop?
               A.IP address
               B.port address
               C.Source MAC address
               D.Destination MAC address
               E.Network address
 
159.橋接器是靠下列哪個選項來決定傳送或是丟棄?
               A.IP address
               B.port address
               C.Source MAC address
               D.Destination MAC address
               E.Network address
 
ANS(D)
 
( ) 160.What are features of the store-and-forward switching method?(choose 3)
               A.Compute the CRC
               B.Discards the giant packs
               C.forward the giant packs
               D.Discard the Erroneous frames
               E.Forward the Erroneous frames
 
160.下列哪三個是使用儲存後轉送交換式技術的特點?
               A.Compute the CRC
               B.Discards the giant packs
               C.forward the giant packs
               D.Discard the Erroneous frames
               E.Forward the Erroneous frames
 
 
ANS(A、B、D)
 
( ) 161.How many bits of a MAC address?
               A.48 bits
               B.32 bits
               C.16 bits
               D.8 bits
               E.64 bits
 
161.請問MAC位只有多少bits?
               A.48 bits
               B.32 bits
               C.16 bits
               D.8 bits
               E.64 bits
 
 
ANS(A)
 
 
( ) 162.What are the benefits of LAN Segmentation?(choose 2)
 
               A.Reduce cost
               B.Reduce the number of user in each collision domain
               C.Increase bandwidth
               D.Increase the number of use in each collision domain
               E.Increase delay
 
 
162.請問切割區域網路的好處是什麼?(選擇2個答案)
               A.Reduce cost
               B.Reduce the number of user in each collision domain
               C.Increase bandwidth
               D.Increase the number of use in each collision domain
               E.Increase delay
 
 
 
ANS(B、C)
 
( ) 163.Which one of following is a switching method with least latency?
               A.IP routing
               B.port redirected
               C.cut-through
               D.store-and-forward
 
163.下列哪一個交換方式是最少的延遲?
               A.IP routing
               B.port redirected
               C.cut-through
               D.store-and-forward

 
ANS(C)
 
( ) 164.How does a switched network determine a bridge's root port?
               A.It has the least path cost to root
               B.It has the greatest path cost to root
               C.It has highest Bridge ID
               D.It has the lowest Bridge ID
               E.none
 
164.請問橋接器如何在交換網路選擇root port?
               A.It has the least path cost to root
               B.It has the greatest path cost to root
               C.It has highest Bridge ID
               D.It has the lowest Bridge ID
               E.none

 
ANS(A)
 
( ) 165.How does a switched network determine a Root bridge?
               A.It has the least path cost to root
               B.It has the greatest path cost to root
               C.It has highest Bridge ID
               D.It has the lowest Bridge ID
               E.none
 
165.請問如何在交換網路選擇根橋接器?
               A.It has the least path cost to root
               B.It has the greatest path cost to root
               C.It has the lowest Bridge ID
               D.It has highest Bridge ID
               E.All Bridge are root bridge

 
ANS(C)
 
( ) 166.Which two of following descriptions are true about LAN switches?
               A.Reduce the contention for media access
               B.It has many high speed ports
               C.Reduce the bandwidth for media access
               D.Use IP address to make the switching decision
               E.Use routing table to make the switching decision
 
166.有關區域網路的交換器敘述哪兩個選項是正確的?
               A.Reduce the contention for media access
               B.It has many high speed ports
               C.Reduce the bandwidth for media access
               D.Use IP address to make the switching decision
               E.Use routing table to make the switching decision

 
ANS(A、B)
 
( ) 167.Which one of following states devices transmit data one way at a time?
               A.Half-Duplex
               B.Full-Duplex
               C.One way Duplex
               D.whole Duplex
               E.One Duplex
 
167.下列哪一樣是在陳述設備同一個時間點只能傳送一方?
               A.Half-Duplex
               B.Full-Duplex
               C.One way Duplex
               D.whole Duplex
               E.One Duplex

 
ANS(A)
 
( ) 168.A LAN switch 10 Base T has 10 ports; How much bandwidth will a port has?
               A.100 Mbps
               B.10 Mbps
               C.1 Mbps
               D.2 Mbps
 
168.在區域網路有一台10 Base T  10 ports的交換器，請問一個port的頻寬有多少?
               A.100 Mbps
               B.10 Mbps
               C.1 Mbps
               D.2 Mbps

 
ANS(B)
 
( ) 169.What are advantages of the Spanning Tree Protocol(STP)?(choose 2)
               A.Reactived the blocking bridge port when connecting port fail
               B.Eliminated the loops
               C.Add loops to increase bandwidth
               D.Cocked the blocking bridge port when connecting port fail
               E.Add loops to eliminate band width
 
169.哪兩個選項是STP的優點?
               A.Reactived the blocking bridge port when connecting port fail
               B.Eliminated the loops
               C.Add loops to increase bandwidth
               D.Cocked the blocking bridge port when connecting port fail
               E.Add loops to eliminate band width

 
ANS(A、B)
 
 
( ) 170.How much efficiency will half-duplex Ethernet utilize on real network enviroment ?
 
               A.20~30 percent
               B.30~40 percent
               C.40~50 percent
               D.50~60 percent
               E.60~70 percent
 
 
170.請問在乙太網路半雙工在實體網路環境有多少效率?
               A.20~30 percent
               B.30~40 percent
               C.40~50 percent
               D.50~60 percent
               E.60~70 percent
 
 
 
ANS(D)
 
( ) 171.A bridge receive packets without destination address, what will the bridge do?
 
               A.Drop Packets
               B.Forward Packets to all ports
               C.Forward Packets to all ports except the receiving port
               D.Do nothing
               E.Forward Packets to the receiving port
 
 
171.橋接器在收到未帶有目的位址的封包後，橋接器將會?
               A.Drop Packets
               B.Forward Packets to all ports
               C.Forward Packets to all ports except the receiving port
               D.Do nothing
               E.Forward Packets to the receiving port
 
 
ANS(C)
 
( ) 172.Which one of following protocol does bridges use to prevent network loops?
               A.loop
               B.STP
               C.ICMP
               D.IP
               E.TCP+UDP
 
172.下列哪一個協定是用來預防橋接器使用時的網路迴圈?
               A.loop
               B.STP
               C.ICMP
               D.IP
               E.TCP+UDP
 
 
ANS(B)
 
( ) 173.What is the important function of a MAC address on the network?
               A.Provide logical control
               B.Provide address control
               C.Identify logical address
               D.Uniquely identifies each device
               E.Identify the vendor of the device
 
173.請問MAC位址在網路中有哪樣重要的功能?
               A.Provide logical control
               B.Provide address control
               C.Identify logical address
               D.Uniquely identifies each device
               E.Identify the vendor of the device
 
 
ANS(D)
 
( ) 174.Which one of following switching method is more efficient?
               A.IP
               B.TCP
               C.UDP
               D.cut-through
               E.store-and-forward
 
174.請問哪一種交換方式是較高效率的?
               A.IP
               B.TCP
               C.UDP
               D.cut-through
               E.store-and-forward
 
 
ANS(D)
 
( ) 175.Which one of following switching method will provide error checking?
               A.IP
               B.TCP
               C.UDP
               D.cut-through
               E.store-and-forward
 
175.請問哪一種交換方式提供錯誤檢查?
               A.IP
               B.TCP
               C.UDP
               D.cut-through
               E.store-and-forward
 
 
ANS(E)
 
( ) 176.What is the feature of store-and-forward switches?
               A.They check the destination address only
               B.They increase delay
               C.They forward part of frame
               D.They have the same function as cut-through
 
176.請問哪一個是store-and-forward交換方式的功能?
               A.They check the destination address only
               B.They increase delay
               C.They forward part of frame
               D.They have the same function as cut-through
 
 
ANS(B)
 
( ) 177.What are the benefits of switch over Router?(choose 2)
               A.more management control
               B.Higher throughput
               C.Lower overhead
               D.Greater functionality
               E.More paths
 
177.哪兩樣是交換器優於路由器的功能?
               A.more management control
               B.Higher throughput
               C.Lower overhead
               D.Greater functionality
               E.More paths
 
 
ANS(B、C)
 
 
( ) 178.Which one of following can be used to reduce the size of a broadcast domain?
 
               A.cut-though
               B.store-and-forward
               C.Fragment Free
               D.VLAN
               E.Hub
 
178.哪以個可以減少廣播網域的大小?
               A.cut-though
               B.store-and-forward
               C.Fragment Free
               D.VLAN
               E.Hub
 
 
ANS(D)
 
( ) 179.Which one of following describes the switch best?
               A.One broadcast domain and collision domain
               B.Single broadcast domain and separate collision domain
               C.Multiple broadcast domain and Single subnet
               D.Separate broadcast domain and Separate collision domain
               E.None broadcast domain and collision domain
 
179.哪一種交換器的敘述較好?
               A.One broadcast domain and collision domain
               B.Single broadcast domain and separate collision domain
               C.Multiple broadcast domain and Single subnet
               D.Separate broadcast domain and Separate collision domain
               E.None broadcast domain and collision domain
 
 
 
ANS(B)
 
( ) 180.Which two of following do switches use to prevent network loops?
               A.IEEE 802.1d
               B.IEEE 802.1Q
               C.Spanning Tree Protocol
               D.Lock loop Protocol
               E.IEEE 802.3
               F.IEEE 802.IP
 
180.哪兩個選項是用來預防交換器上的網路迴圈?
               A.IEEE 802.1d
               B.IEEE 802.1Q
               C.Spanning Tree Protocol
               D.Lock loop Protocol
               E.IEEE 802.3
               F.IEEE 802.IP
 
 
ANS(A、C)
 
( ) 181.Which one of following switching method is the default switching mode of latest LAN switch?
               A.cut-through
               B.store-and-forward
               C.cut-and-forward
               D.Fragment Free
               E.flow control
 
181.哪一種交換方式是在最新區域網路的交換器上所預設的?
               A.cut-through
               B.store-and-forward
               C.cut-and-forward
               D.Fragment Free
               E.flow control
 
 
ANS(D)
 
( ) 182.What's the main function of a VLAN?
               A.Use Virtual address
               B.Use Network address
               C.Use port number
               D.Place user in logical grouping rather than physical location
               E.Place user in physical location rather than logical grouping
 
182.哪一個選項是在講VLAN的功用
               A.Use Virtual address
               B.Use Network address
               C.Use port number
               D.Place user in logical grouping rather than physical location
               E.Place user in physical location rather than logical grouping
 
 
ANS(D)
 
( ) 183.Which switching mode provides error-free transport,rather then maximizing speed?
               A.cut-through
               B.store-and-forward
               C.fragment free
               D.fragment-forwarding
               E.frame-filtering
 
183.哪一種交換模式是提供無錯誤傳輸，而不是最高速度?
               A.cut-through
               B.store-and-forward
               C.fragment free
               D.fragment-forwarding
               E.frame-filtering
 
ANS(B)
 
( ) 184.Which one of the following protocols operates at Layer 2 of the OSI model and is used to prevent a loop network?
               A.VTP
               B.RIP
               C.STP
               D.IGRP
               E.CDP
 
184.哪一個協定是操作在OSI模型的第二層用來預防網路迴圈
               A.VTP
               B.RIP
               C.STP
               D.IGRP
               E.CDP
 
ANS(C)
 
( ) 185.Which one of the following statements determines the spanning-tree path cost?
               A.It is based on transmission latency
               B.It is based on the hop count
               C.It is the sum of the costs based on bandwidth
               D.It is based on the load of network
 
185.哪一種敘述用來確定SPT的path cost?
               A.It is based on transmission latency
               B.It is based on the hop count
               C.It is the sum of the costs based on bandwidth
               D.It is based on the load of network
 
ANS(C)
 
( ) 186.What is function of the spanning-tree algorithm in a switched LAN?
               A.To manage VLANs across multiple switches
               B.To prevent switching loops in networks.
               C.To prevent routing loops in network
               D.To segment a network into multiple collision domains
               E.To segment a network into multiple broadcast domains
 
186.哪一個是STP演算法在交換區域網路上的功能?
               A.To manage VLANs across multiple switches
               B.To prevent switching loops in networks.
               C.To prevent routing loops in network
               D.To segment a network into multiple collision domains
               E.To segment a network into multiple broadcast domains
 
ANS(B)
 
( ) 187.Which two of the following items does STP count when it elects the root bridge
               A.The BPDU updated number
               B.The Bridge ID
               C.The access layer bridge setting
               D.The bridge priority
               E.The spanning update number
               F.The BPDU version number
 
187.哪兩個選項是STP選擇root bridge的依據?
               A.The BPDU updated number
               B.The Bridge ID
               C.The access layer bridge setting
               D.The bridge priority
               E.The spanning update number
               F.The BPDU version number
 
ANS(B、D)
 
( ) 188.Which three of the following are spanning tree port states?
               A.listening
               B.initializing
               C.learning
               D.spanning
               E.forwarding
               F.ending
               G.stopping
 
188.哪三個選項是spanning tree port 的狀態?
               A.listening
               B.initializing
               C.learning
               D.spanning
               E.forwarding
               F.ending
               G.stopping
 
ANS(A、C、E)
 
( ) 189.What is the characteristic of converged spanning-three network?
               A.All switch and bridge ports are in the Blocking state
               B.All switch and bridge ports are in the forwarding state
               C.All switch and bridge ports are in either the forwarding or blocking state
               D.All switch and bridge ports are in either learning blocking or blocking
               E.All switch and bridge ports are in the stand-by state
 
189.哪一個是STP在網路上收斂時的特點?
               A.All switch and bridge ports are in the Blocking state
               B.All switch and bridge ports are in the forwarding state
               C.All switch and bridge ports are in either the forwarding or blocking state
               D.All switch and bridge ports are in either learning blocking or blocking
               E.All switch and bridge ports are in the stand-by state
 
ANS(C)
 
( ) 190.Which command will you use a t the user mode to enter the privileged mode?
               A.enable
               B.disable
               C.enter
               D.setup
               E.show
 
190.使用哪個指令後將會從使用者模式進入到特權模式?
               A.enable
               B.disable
               C.enter
               D.setup
               E.show
 
ANS(A)
 
( ) 191.Which configuration mode will you use to enter the name of the router?
               A.Local
               B.Global
               C.line
               D.Rommonitor
               E.User
 
191.在哪一個組態模式下可以設定路由器的名稱?
               A.Local
               B.Global
               C.line
               D.Rommonitor
               E.User
 
ANS(B)
 
( ) 192.You are using IOS version prior to 10.3,which command can you copy the running configuration to a TFTP server?
               A.Taipei>copy running-config tftp
               B.Taipei#copy running-config tftp
               C.Taipei>write network
               D.Taipei#write network
               E.Taipei#copy tftp running-config 
 
192.你使用IOS 10.3之前的版本，哪一個指令可以讓你拷貝running configuration到TFTP伺服器?
               A.Taipei>copy running-config tftp
               B.Taipei#copy running-config tftp
               C.Taipei>write network
               D.Taipei#write network
               E.Taipei#copy tftp running-config 
 
ANS(D)
 
( ) 193.Which command will you use to display router memory statistics?
               A.show hosts
               B.show IP route
               C.show flash
               D.show memory
               E.show protocol
 
193.哪一個指令用來顯示路由器上記憶體的狀態?
               A.show hosts
               B.show IP route
               C.show flash
               D.show memory
               E.show protocol
 
ANS(D)
 
( ) 194.Which command will you use to execute configuration commands form the router terminal?
               A.Taipei#execute terminal
               B.Taipei#configure terminal
               C.Taipei#configure line
               D.Taipei#execute line
               E.Taipei#execute command
 
194.執行下列哪個指令後，可以在終端機上進行組態設定?
               A.Taipei#execute terminal
               B.Taipei#configure terminal
               C.Taipei#configure line
               D.Taipei#execute line
               E.Taipei#execute command
 
ANS(B)
 
( ) 195.For a specific line, which command will you use to set the IP address format to hexadecimal?
               A.Taipei>term IP netmask-format hexadecimal
               B.Taipei#term IP netmask-format hexadecimal
               C.Taipei[config-if]#term IP netmask-format hexadecimal
               D.Taipei[config-line]#term IP netmask-format hexadecimal
 
195.有一條特別的線路，請問要下什麼指令才能將IP格式轉為十六進制?
               A.Taipei>term IP netmask-format hexadecimal
               B.Taipei#term IP netmask-format hexadecimal
               C.Taipei[config-if]#term IP netmask-format hexadecimal
               D.Taipei[config-line]#term IP netmask-format hexadecimal
 
ANS(D)
 
( ) 196.You want to display the host name and address in Router, which one of the command will you use?
               A.Taipei#show IP hosts
               B.Taipei[config]#show IP hosts
               C.Taipei#show router host
               D.Taipei#show hosts
 
196.你想要顯示路由器上的主機名稱和位址，你將使用什麼命令?
               A.Taipei#show IP hosts
               B.Taipei[config]#show IP hosts
               C.Taipei#show router host
               D.Taipei#show hosts
 
ANS(D)
 
 
( ) 197.Which command will you use to display the IP routing table?
               A.show IP table
               B.show IP protocol
               C.show IP route
               D.show IP flash
               E.show flash
 
197.你想要顯示IP路由表，你將使用什麼命令?
               A.show IP table
               B.show IP protocol
               C.show IP route
               D.show IP flash
               E.show flash
 
ANS(C)
 
( ) 198.Which command will you use to set the password for the console terminal
               A.line vty 0
               B.line console 0
               C.line vty console
               D.line console vty
 
198.哪一個命令可以設置console terminal的密碼?
               A.line vty 0
               B.line console 0
               C.line vty console
               D.line console vty
 
ANS(B)
 
( ) 199.Which two command can you recall the previous command?
               A.Ctrl + P
               B.Ctrl + C
               C.Down arrow
               D.Up arrow
               E.Ctrl + shift 
 
199.哪兩個命令可以叫回之前的指令?
               A.Ctrl + P
               B.Ctrl + C
               C.Down arrow
               D.Up arrow
               E.Ctrl + shift 
 
ANS(A、D)
 
( ) 200.Which command will you use to copy configuration from a tftp Server to NVRAM?
               A.Taipei#copy tftp ROM
               B.Taipei#copy tftp flash
               C.Taipei#copy tftp running-config
               D.Taipei#copy tftp startup-config
 
200.哪個命令可以從tftp 到 NVRAM拷貝組態 ?
               A.Taipei#copy tftp ROM
               B.Taipei#copy tftp flash
               C.Taipei#copy tftp running-config
               D.Taipei#copy tftp startup-config
 
ANS(D)
轉載http://ccnatiy.blogspot.tw/2014/10/ccna151200.html
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