CCNA101~150題

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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

( ) 107.Which following are need on network layer?(choose 2)

               A.LLC

               B.MAC

               C.ARP

               D.RARP

               E.TCP

               F.UDP

( ) 108.Which class will you use for research?

               A.Class E

               B.Class D

               C.Class C

               D.Class B

               E.Class 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

( ) 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

( ) 111.Which following are connectionless communications (choose 2)

               A.Ping
               B.Trace
               C.Tftp
               D.FTP
               E.SNMP
               F.SQL

( ) 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

( ) 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

( ) 114.Which port number is used by Telnet?

               A.53

               B.161

               C.69

               D.23

               E.21

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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.

( ) 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

( ) 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

( ) 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

( ) 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

( ) 127.Which following are used at the physical layer?(choose 3)

               A.IP

               B.ARP

               C.RARP

               D.Token Ring

               E.FDDI

               F.Ethernet

( ) 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

( ) 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

( ) 130.Which one of the addressing is used by a bridge?

               A.MAC

               B.LLC

               C.IP

               D.TCP

               E.UDP

( ) 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

( ) 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

( ) 133.Which followings are used at the Data link layer?

               A.TCP

               B.LLC

               C.UDP

               D.MAC

               E.IP

( ) 134.What are characteristics of connection-oriented data transfer?

               A.Establish Connection

               B.Test connection

               C.Transfer data

               D.Terminate connection

               E.Open connection

( ) 135.Which one of followings represent network part of an address?

               A.Mac address

               B.Whole IP address

               C.TCP port address

               D.Segment

( ) 136.Which layer are PICT and MIDI used at?

               A.Application layer

               B.Presentation layer

               C.Session layer

               D.Transport layer

( ) 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

( ) 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

( ) 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

( ) 140.Which three of the following protocols belong to the application layer?

               A.HTTPS

               B.ICMP

               C.SMTP

               D.RARP

               E.TFTP

               F.ARP

( ) 141.You are using the Cisco Router Ethernet interface,what the default type?

               A.novell-ether

               B.sap

               C.snap

               D.ppp

               E.hdlc

( ) 142.You are using the Cisco Router FDDI interface,what the default type?

               A.hdlc

               B.snap

               C.sap

               D.novell-ether

( ) 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

( ) 144.You are using the Cisco Router serial interface,what the default type?

               A.sap

               B.snap

               C.hdlc

               D.ppp

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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

( ) 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