2014年10月19日 星期日

CCNA101~150題解析

( ) 101.Which one of following is a valid hosts of 203.66.47.10/24?
               A.203.66.47.0~203.66.47.255
               B.203.66.47.1~203.66.47.254
               C.203.66.47.9~203.66.47.15
               D.203.66.47.1~203.66.47.31
               E.203.66.47.0~203.66.47.32
               F.203.66.47.1~203.66.47.127

101.下列哪一個選項是203.66.47.0/24的可使用主機位址
               A.203.66.47.0~203.66.47.255
               B.203.66.47.1~203.66.47.254
               C.203.66.47.9~203.66.47.15
               D.203.66.47.1~203.66.47.31
               E.203.66.47.0~203.66.47.32

               F.203.66.47.1~203.66.47.127

ANS(B)

( ) 102.Which class will you use for multicast of TCP/IP address?
               A.Class E
               B.Class D
               C.Class C
               D.Class B
               E.Class A

102.下列哪一個級別在TCP/IP位址中是使用群播?
               A.Class E
               B.Class D
               C.Class C
               D.Class B
               E.Class A


ANS(B)

( ) 103.What are the valid range of hosts for 203.66.47.10/30?
               A.203.66.47.1~203.66.47.255
               B.203.66.47.1~203.66.47.15
               C.203.66.47.9~203.66.47.10
               D.203.66.47.9~203.66.47.15
               E.203.66.47.1~203.66.47.31

103.在203.66.47.10/30中下列哪一個可使用主機位址的範圍?
               A.203.66.47.1~203.66.47.255
               B.203.66.47.1~203.66.47.15
               C.203.66.47.9~203.66.47.10
               D.203.66.47.9~203.66.47.15
               E.203.66.47.1~203.66.47.31


ANS(C)               

( ) 104.Which followings are private IP address?(choose 3)
               A.10.0.0.0
               B.192.168.0.0
               C.172.168.0.0
               D.172.16.0.0
               E.168.172.0.0

104.下列哪三個是私有IP位址?
               A.10.0.0.0
               B.192.168.0.0
               C.172.168.0.0
               D.172.16.0.0
               E.168.172.0.0

ANS(A、B、D)        

( ) 105.Which one of the following is a function of the Transmission control protocol?
               A.Ping
               B.Telnet
               C.Sliding windows
               D.SQL
               E.NFS

105.下列哪一個是TCP的功能?
               A.Ping
               B.Telnet
               C.Sliding windows
               D.SQL
               E.NFS

ANS(C)       

( ) 106.You are a network administrator and considering the use of a connectionless service. What are the characteristics of a connectionless service?(Choose two answers)
               A.It uses three ways handshaking
               B.It uses a non-reliable transport mechanism
               C.It is less bandwidth-intensive than connection oriented services
               D.It uses a Reliable transport mechanism


106.你是個網路管理員正考慮使用非連結導向服務。請問非連結導向有哪些特點(選2個答案)
               A.It uses three ways handshaking
               B.It uses a non-reliable transport mechanism
               C.It is less bandwidth-intensive than connection oriented services
               D.It uses a Reliable transport mechanism


ANS(B、C)     

( ) 107.Which following are need on network layer?(choose 2)
               A.LLC
               B.MAC
               C.ARP
               D.RARP
               E.TCP
               F.UDP

107.下列哪些需要在網路層?
               A.LLC
               B.MAC
               C.ARP
               D.RARP
               E.TCP
               F.UDP


ANS(C、D)   

( ) 108.Which class will you use for research?
               A.Class E
               B.Class D
               C.Class C
               D.Class B
               E.Class A


108.下列哪個級別是使用在研究?
               A.Class E
               B.Class D
               C.Class C
               D.Class B
               E.Class A


ANS(A)   

( ) 109.Which standard is defined in RFC 1700?
               A.public IP address
               B.privateIP address
               C.Routing IP address
               D.IP address
               E.TCP port number

109.在RFC 1700的標準中,是定義什麼?
               A.public IP address
               B.privateIP address
               C.Routing IP address
               D.IP address
               E.TCP port number


ANS(B)   

( ) 110.Which command will you use to have a second IP address 203.66.47.50 on Ethernet interface?
               A.IP address 203.66.47.50  255.255.0.0
               B.IP address 203.66.47.50  insert
               C.IP address 203.66.47.50  Ethernet 
               D.IP address 203.66.47.50  255.255.255.10 secondary
               E.IP address 203.66.47.50  255.255.255.0 secondary IP

110.你要在乙太網路介面使用第二個IP位址 206.66.47.50 請問要使用哪個指令 ?
               A.IP address 203.66.47.50  255.255.0.0
               B.IP address 203.66.47.50  insert
               C.IP address 203.66.47.50  Ethernet 
               D.IP address 203.66.47.50  255.255.255.10 secondary
               E.IP address 203.66.47.50  255.255.255.0 secondary IP


ANS(D)   


( ) 111.Which following are connectionless communications (choose 2)
               A.Ping
               B.Trace
               C.Tftp
               D.FTP
               E.SNMP
               F.SQL

111.下列哪些是非連結通訊?(選2個答案)
               A.Ping
               B.Trace
               C.Tftp
               D.FTP
               E.SNMP
               F.SQL


ANS(C、E)   

( ) 112.You have an IP address 20.30.220.40 and subnet mask 255.255.240.0. what's the ranges of hosts address in the subnet
               A.20.30.220.1~20.30.220.254
               B.20.30.220.10~20.30.220.255
               C.20.30.208.1~20.30.223.254
               D.20.30.0.0~20.30.255.255
               E.20.30.0.1~20.30.255.255

112.你有個IP位址 20.30.220.40 子網路遮罩為255.255.240.0那些範圍是子網路內的主機位址?
               A.20.30.220.1~20.30.220.254
               B.20.30.220.10~20.30.220.255
               C.20.30.208.1~20.30.223.254
               D.20.30.0.0~20.30.255.255
               E.20.30.0.1~20.30.255.255


ANS(C)   


( ) 113.Which command will you use to assign the IP address 203.66.47.10 and subnet mask 255.255.255.224 to the interface?
               A.Taipei>IP address 203.66.47.10  255.255.255.224
               B.Taipei#IP address 203.66.47.10  255.255.255.224
               C.Taipei[config]#IP address 203.66.47.10  255.255.255.224
               D.Taipei[config-if]#IP address 203.66.47.10  255.255.255.224

113.哪一個指令是用來分配IP位址 203.66.47.10 和子網路遮罩 255.255.255.224 給界面?
               A.Taipei>IP address 203.66.47.10  255.255.255.224
               B.Taipei#IP address 203.66.47.10  255.255.255.224
               C.Taipei[config]#IP address 203.66.47.10  255.255.255.224
               D.Taipei[config-if]#IP address 203.66.47.10  255.255.255.224




ANS(D) 


( ) 114.Which port number is used by Telnet?
               A.53
               B.161
               C.69
               D.23
               E.21

114.哪一個埠號是給Telnet使用?
               A.53
               B.161
               C.69
               D.23
               E.21


ANS(D)  


( ) 115.When the buffer of receiving Station is full,it will inform source station to stop sending data. Which one of following will do the process?
               A.Flow control
               B.Error control
               C.Buffer control
               D.Message control

115.當緩衝區接收站已滿時,他將會通知來源站停止傳送資料。下列何者是他所做的處理?
               A.Flow control
               B.Error control
               C.Buffer control
               D.Message control


ANS(A)  


( ) 116.You have an IP address 170.90.0.0, you need each subnet must support at least 230 hosts, and have greatest number of subnets. Which one of following subnet mask will you use?
               A.255.255.255.0
               B.255.255.0.0
               C.255.255.255.128
               D.255.255.255.192
               E.255.0.0.0

116.你有一個IP位址170.90.0.0,你需要每個子網路必須提供最少230個主機而且數量最多的子網路下列何者為你所使用的子網路遮罩?
               A.255.255.255.0
               B.255.255.0.0
               C.255.255.255.128
               D.255.255.255.192
               E.255.0.0.0



ANS(A)  



( ) 117.Which four of the following IOS commands could you use to troubleshoot a router connectivity problem on an IP network?
               A.ping
               B.ipconfig
               C.show ip route
               D.shoe interfaces
               E.traceroute
               F.tracert

117.下列哪四個選項是在IOS指令中可以用來排除路由器上的故障和IP在網路上的連結問題?
               A.ping
               B.ipconfig
               C.show ip route
               D.shoe interfaces
               E.traceroute
               F.tracert

ANS(A、C、D、E)  


( ) 118.Which three of following commands will you use to troubleshoot connectivity issues about checking the current IP address,layer 1 and layer 2 status of the interface?
               A.TAIPEI#show protocols
               B.TAIPEI#show control
               C.TAIPEI#show ip interface
               D.TAIPEI#show version
               E.TAIPEI#show interfaces
               F.TAIPEI#show running-config

118.下列哪三個指令可以排除連結問題有關確認當前IP位址第一層和第二層的界面狀態?
               A.TAIPEI#show protocols
               B.TAIPEI#show control
               C.TAIPEI#show ip interface
               D.TAIPEI#show version
               E.TAIPEI#show interfaces
               F.TAIPEI#show running-config



ANS(B、C、E)  


( ) 119.You give the "shutdown" interface configuration command in you router.what will you expect the status of the serial interface to be?
               A.Serial 0 is down,line protocol is down
               B.Serial 0 is up,line protocol is up
               C.Serial 0 is up,line protocol is down
               D.Serial 0 is administratively down,line protocol is down
               E.Serial 0 is down,line protocol is up
               F.Serial 0 is administratively down,line protocol is up

119.你設定"關閉"界面的組態指令給路由器後。你預計serial 界面會是什麼狀態?
               A.Serial 0 is down,line protocol is down
               B.Serial 0 is up,line protocol is up
               C.Serial 0 is up,line protocol is down
               D.Serial 0 is administratively down,line protocol is down
               E.Serial 0 is down,line protocol is up
               F.Serial 0 is administratively down,line protocol is up



ANS(D)  


( ) 120.The TCP/IP network model differs from the more popular OSI model. Which three of the following OSI model layers are belong to the TCP/IP model?
               A.application layer
               B.presentation layer
               C.session layer
               D.transport layer
               E.internet layer
               F.data link layer
               G.physical layer

120.TCP/IP網路模型不同於眾所皆知的OSI模型。下咧哪三個OSI模型的層名與TCP/IP模型相同?
               A.application layer
               B.presentation layer
               C.session layer
               D.transport layer
               E.internet layer
               F.data link layer
               G.physical layer


ANS(A、D、E)  

( ) 121.Which of following statements is true about voice over IP?
               A.The voice over IP requires low delay and high gitter
               B.The voice over IP requires low jitter and high packet loss rate
               C.The voice over IP requires low packet loss rate and high delay
               D.The voice over IP requires low delay and low packet loss rate

121.下列哪個關於VoIP的敘述是正確的?
               A.The voice over IP requires low delay and high gitter
               B.The voice over IP requires low jitter and high packet loss rate
               C.The voice over IP requires low packet loss rate and high delay
               D.The voice over IP requires low delay and low packet loss rate



ANS(D)  


( ) 122.Which of following statements is true about audio over IP?
               A.The audio over IP requires low delay and high bandwidth.
               B.The audio over IP requires low bandwidth and high packet loss rate .
               C.The audio over IP requires low packet loss rate and high delay.
               D.The audio over IP requires low delay and high packet loss rate.


122.下列哪個關於audio over IP的敘述是正確的?
               A.The audio over IP requires low delay and high bandwidth.
               B.The audio over IP requires low bandwidth and high packet loss rate .
               C.The audio over IP requires low packet loss rate and high delay.
               D.The audio over IP requires low delay and high packet loss rate.


ANS(A)  


( ) 123.Which of following items are the purposes of domain name system?
               A.To translate IP to name
               B.To translate name to IP
               C.Help people to get IP address
               D.Help people to get company name

123.下列哪些項目是DNS的用途?
               A.To translate IP to name
               B.To translate name to IP
               C.Help people to get IP address
               D.Help people to get company name


ANS(B、C)  


( ) 124.Which of following is true to configure DNS in a router?
               A.IP 192.168.1.1
               B.IP DNS 192.168.1.1
               C.IP name server 192.168.1.1
               D.IP name-server 192.168.1.1

124.下列哪個選項是在路由器上設定DNS?
               A.IP 192.168.1.1
               B.IP DNS 192.168.1.1
               C.IP name server 192.168.1.1
               D.IP name-server 192.168.1.1


ANS(D)  


( ) 125.Which three of following items are benefits of dynamic host configuration protocol (DHCP)
               A.Automatically assign IP address
               B.To avoid IP address conflict
               C.To have more IP address
               D.To increase IP address usage

125.下列哪三個選項是DHCP的好處?
               A.Automatically assign IP address
               B.To avoid IP address conflict
               C.To have more IP address
               D.To increase IP address usage


ANS(A、B、D)  


( ) 126.Which of following items is the correct DHCP command when you want to exclude DHCP IP address 200.1.1.1-200.1.1.20 on a router?
               A.Router(config)#dhcp ip excluded-address 200.1.1.1  200.1.1.20
               B.Router(config)#excluded-address dhcp ip 200.1.1.1  200.1.1.20
               C.Router(config)#excluded-address ip dhcp 200.1.1.1  200.1.1.20
               D.Router(config)#ip dhcp excluded-address 200.1.1.1  200.1.1.20

126.當你在路由器上想要排除DHCP IP位址200.1.1.1-200.1.1.20下列哪個選項是正確的DHCP指令?
               A.Router(config)#dhcp ip excluded-address 200.1.1.1  200.1.1.20
               B.Router(config)#excluded-address dhcp ip 200.1.1.1  200.1.1.20
               C.Router(config)#excluded-address ip dhcp 200.1.1.1  200.1.1.20
               D.Router(config)#ip dhcp excluded-address 200.1.1.1  200.1.1.20


ANS(D)  


( ) 127.Which following are used at the physical layer?(choose 3)
               A.IP
               B.ARP
               C.RARP
               D.Token Ring
               E.FDDI
               F.Ethernet

127.下咧哪三個選項使用到實體層?
               A.IP
               B.ARP
               C.RARP
               D.Token Ring
               E.FDDI
               F.Ethernet


ANS(D、E、F)  


( ) 128.What is a benefit when you use a LAN segmentation?

               A.Increase collisions
               B.Increase broadcasts
               C.Increase more packets
               D.Increase more protocol
               E.Control Broadcast



128.當你對LAN進行切割時有時什麼好處?
               A.Increase collisions
               B.Increase broadcasts
               C.Increase more packets
               D.Increase more protocol
               E.Control Broadcast


ANS(E)  


( ) 129.What is a function of a bridge?
               A.Increase broadcast domains
               B.Increase collisions domains
               C.Decrease the number of broadcast domains
               D.Decrease the size of collisions domains



129.請問橋接器的功能是?
               A.Increase broadcast domains
               B.Increase collisions domains
               C.Decrease the number of broadcast domains
               D.Decrease the size of collisions domains

ANS(D)  


( ) 130.Which one of the addressing is used by a bridge?
               A.MAC
               B.LLC
               C.IP
               D.TCP
               E.UDP



130.請問橋接器是使用什麼位址?
               A.MAC
               B.LLC
               C.IP
               D.TCP
               E.UDP

ANS(A)  


( ) 131.Which one of layer is dealing with path determination?
               A.Data link layer
               B.Network layer
               C.Transport layer
               D.Session layer
               E.Presentation layer



131.哪一層負責決定路徑?
               A.Data link layer
               B.Network layer
               C.Transport layer
               D.Session layer
               E.Presentation layer

ANS(B)  


( ) 132.Which followings are disadvantages of connection-oriented network?
               A.no path selection
               B.static path selection
               C.Dynamic path Selection
               D.Need reservation of network resource
               E.Reduce the use of network resources



132.下列哪些是連結導向在網路中的缺點?
               A.no path selection
               B.static path selection
               C.Dynamic path Selection
               D.Need reservation of network resource
               E.Reduce the use of network resources

ANS(B、D)  


( ) 133.Which followings are used at the Data link layer?
               A.TCP
               B.LLC
               C.UDP
               D.MAC
               E.IP



133.下列哪些是在資料鏈結層使用?
               A.TCP
               B.LLC
               C.UDP
               D.MAC
               E.IP



ANS(B、D)  


( ) 134.What are characteristics of connection-oriented data transfer?
               A.Establish Connection
               B.Test connection
               C.Transfer data
               D.Terminate connection
               E.Open connection



134.哪些是連結導向傳遞資料的特點?
               A.Establish Connection
               B.Test connection
               C.Transfer data
               D.Terminate connection
               E.Open connection





ANS(A、C、D)  


( ) 135.Which one of followings represent network part of an address?
               A.Mac address
               B.Whole IP address
               C.TCP port address
               D.Segment

135.下列哪些代表網路部份的位址?
               A.Mac address
               B.Whole IP address
               C.TCP port address
               D.Segment





ANS(D)  


( ) 136.Which layer are PICT and MIDI used at?
               A.Application layer
               B.Presentation layer
               C.Session layer
               D.Transport layer

136.請問PICT和MIDI被使用在哪一層?
               A.Application layer
               B.Presentation layer
               C.Session layer
               D.Transport layer




ANS(B) 


( ) 137.Which one of following is the best description of a router?
               A.Has a single broadcast domain and a single collision domain
               B.Has a single broadcast domain and a separating collision domain
               C.Has a separating broadcast domain and a single collision domain
               D.Has a separating broadcast domain and a separating collision domain


137.下列哪個有關路由器的說明比較好?
               A.Has a single broadcast domain and a single collision domain
               B.Has a single broadcast domain and a separating collision domain
               C.Has a separating broadcast domain and a single collision domain
               D.Has a separating broadcast domain and a separating collision domain





ANS(D) 


( ) 138.Which three of following items are the possible causes of congestion on a LAN?
               A.A broadcast domain with too many hosts
               B.Low bandwidth
               C.Broadcast storms
               D.Multicasting
               E.VLAN Segmentation


138.下列哪三個選項可能造成區域網路擁堵的情形?
               A.A broadcast domain with too many hosts
               B.Low bandwidth
               C.Broadcast storms
               D.Multicasting
               E.VLAN Segmentation





ANS(A、B、C) 


( ) 139.Which layer of the OSI reference model is responsible for delivering reliable end-to-end data?
               A.Data-Link
               B.Network
               C.Transport
               D.Session
               E.Presentation
               F.Application


139.請問OSI參考模型的哪一層負責提供點對點傳送資料?
               A.Data-Link
               B.Network
               C.Transport
               D.Session
               E.Presentation
               F.Application





ANS(C) 


( ) 140.Which three of the following protocols belong to the application layer?
               A.HTTPS
               B.ICMP
               C.SMTP
               D.RARP
               E.TFTP
               F.ARP


140.下列哪三個協定是屬於應用層協定?
               A.HTTPS
               B.ICMP
               C.SMTP
               D.RARP
               E.TFTP
               F.ARP

ANS(A、C、E) 


( ) 141.You are using the Cisco Router Ethernet interface,what the default type?
               A.novell-ether
               B.sap
               C.snap
               D.ppp
               E.hdlc


141.當你使用思科路由器進乙太網路介面時,請問哪一個是預設的類型?
               A.novell-ether
               B.sap
               C.snap
               D.ppp
               E.hdlc


ANS(A) 


( ) 142.You are using the Cisco Router FDDI interface,what the default type?
               A.hdlc
               B.snap
               C.sap
               D.novell-ether


142.當你使用思科路由器進入FDDI介面時,請問哪一個是預設的類型?
               A.hdlc
               B.snap
               C.sap
               D.novell-ether


ANS(B) 



( ) 143.Which one of the following commands would you use to terminate a VTY line session?
               A.disconnect
               B.disable
               C.close
               D.exit
               E.stop


143.請問使用哪個指令後會終止VTY線路的會談?
               A.disconnect
               B.disable
               C.close
               D.exit
               E.stop


ANS(D) 

( ) 144.You are using the Cisco Router serial interface,what the default type?
               A.sap
               B.snap
               C.hdlc
               D.ppp


144.當你使用思科路由器進入serial介面時,請問哪一個是預設的類型?
               A.sap
               B.snap
               C.hdlc
               D.ppp


ANS(C) 


( ) 145.Which command will you use to display IOS name and boot images?
               A.Show memory
               B.Show flash
               C.Show IOS
               D.Show version
               E.Show protocol

145.使用哪個指令後將會顯示IOS的名稱和開機訊息?
               A.Show memory
               B.Show flash
               C.Show IOS
               D.Show version
               E.Show protocol


ANS(D) 

( ) 146.Which command will you use to set the IP address of a router interface?
               A.config IP
               B.term IP
               C.IP address
               D.IP network

146.使用哪個指令後將會設置IP位址給路由介面?
               A.config IP
               B.term IP
               C.IP address
               D.IP network


ANS(C) 

( ) 147.Which command will return you to the privileged EXEC prompt from privileged EXEC set up mode?
               A.Ctrl-A
               B.Ctrl-ESC
               C.Ctrl-C
               D.Ctrl-Shift
               E.Ctrl-B

147.哪個指令可以從特權執行安裝模式返回特權模式?
               A.Ctrl-A
               B.Ctrl-ESC
               C.Ctrl-C
               D.Ctrl-Shift
               E.Ctrl-B


ANS(C) 

( ) 148.Which command will you use to set the router to look for IOS image?
               A.boot system
               B.boot memory
               C.boot IOS
               D.boot image
               E.boot router

148.哪個指令使用後可以設定從哪裡啟動IOS image檔案?
               A.boot system
               B.boot memory
               C.boot IOS
               D.boot image
               E.boot router


ANS(A) 

( ) 149.Which router mode will you use when you first get into a router?
               A.RxBoot
               B.User mode
               C.Global mode
               D.Privileged mode
               E.line mode

149.當你第一次進到路由器時會是什麼模式?
               A.RxBoot
               B.User mode
               C.Global mode
               D.Privileged mode
               E.line mode


ANS(B) 

( ) 150.What is the definition of a global command in the Cisco IOS?
               A.A command that can be entered in any configuration file
               B.A command that is set once and affects the entire router
               C.A command that is used in all IOS versions
               D.A command that is supported in nearly release of IOS
               E.A command that set to affect all potocols

150.思科IOS的全域組態指令定義為何?
               A.A command that can be entered in any configuration file
               B.A command that is set once and affects the entire router
               C.A command that is used in all IOS versions
               D.A command that is supported in nearly release of IOS
               E.A command that set to affect all potocols


ANS(B) 



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