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試験番号：640-802問題集
試験科目：Cisco 「Cisco Certified Network Associate(CCNA)」
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NO.1 Which command is used to debug a ping command?
A. debug icmp
B. debug ip icmp
C. debug tcp
D. debug packet
Answer: B
Cisco 640-802練習問題 640-802認定試験 640-802認定証 640-802参考書
NO.2 Which command would you configure globally on a Cisco router that would allow you to view directly
connected Cisco devices?
A. enable cdp
B. cdp enable
C. cdp run
D. run cdp
Answer: C
Cisco参考書 640-802参考書 640-802
NO.3 Which protocols are found in the network layer of the OSI reference model and are responsible for
path determination and traffic switching?
A. LAN
B. routing
C. WAN
D. network
Answer: B
Cisco練習問題 640-802認定証 640-802
NO.4 Which three options are valid WAN connectivity methods? (Choose three.)
A. PPP
B. WAP
C. HDLC
D. MPLS
E. L2TPv3
F. ATM
Answer: ACF
Cisco 640-802 640-802認証試験 640-802 640-802認証試験
NO.5 Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.
1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2
the native VLAN is not specified.What will happen in this scenario?
A. 802.1Q giants frames could saturate the link.
B. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.
C. A native VLAN mismatch error message will appear.
D. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.
Answer: C
Cisco 640-802 640-802 640-802 640-802練習問題
NO.6 When troubleshooting a Frame Relay connection, what is the first step when performing a loopback
test?
A. Set the encapsulation of the interface to HDLC.
B. Place the CSU/DSU in local-loop mode.
C. Enable local-loop mode on the DCE Frame Relay router.
D. Verify that the encapsulation is set to Frame Relay.
Answer: A
Cisco 640-802 640-802認定資格 640-802認定証 640-802練習問題 640-802参考書
NO.7 The network administrator has asked you to check the status of the workstation's IP stack by pinging the
loopback address. Which address would you ping to perform this task?
A. 10.1.1.1
B. 127.0.0.1
C. 192.168.0.1
D. 239.1.1.1
Answer: B
Cisco過去問 640-802 640-802 640-802参考書
NO.8 When you are logged into a switch, which prompt indicates that you are in privileged mode?
A. %
B. @
C. >
D. $
E. #
Answer: E
Cisco認定資格 640-802 640-802練習問題
NO.9 Which command is used to see the path taken by packets across an IP network?
A. show ip route
B. show route
C. traceroute
D. trace ip route
Answer: C
Cisco練習問題 640-802認定証 640-802認定試験 640-802問題集 640-802
NO.10 Which command reveals the last method used to powercycle a router?
A. show reload
B. show boot
C. show running-config
D. show version
Answer: D
Cisco認定試験 640-802 640-802認定証
NO.11 Which command would correctly configure a serial port on a router with the last usable host address in
the 192.216.32.32/29 subnet?
A. Router(config-if)# ip address 192.216.32.38 255.255.255.240
B. Router(config-if)# ip address 192.216.32.39 255.255.255.224
C. Router(config-if)# ip address 192.216.32.63 255.255.255.248
D. Router(config-if)# ip address 192.216.32.39 255.255.255.248
E. Router(config-if)# ip address 192.216.32.63 255.255.255.248
F. Router(config-if)# ip address 192.216.32.38 255.255.255.248
Answer: F
Cisco 640-802認定試験 640-802参考書 640-802認定証
NO.12 Which layer in the OSI reference model is responsible for determining the availability of the receiving
program and checking to see if enough resources exist for that communication?
A. transport
B. network
C. presentation
D. session
E. application
Answer: E
Cisco過去問 640-802 640-802 640-802参考書
NO.13 Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0? (Choose two.)
A. 113.10.4.0
B. 186.54.3.0
C. 175.33.3.255
D. 26.35.2.255
E. 17.35.36.0
Answer: BD
Cisco 640-802 640-802認定資格 640-802 640-802認定証
NO.14 Which command is used to copy the configuration from RAM into NVRAM?
A. copy running-config startup-config
B. copy startup-config: running-config:
C. copy running config startup config
D. copy startup config running config
E. write terminal
Answer: A
Cisco参考書 640-802参考書 640-802 640-802
NO.15 If IP routing is enabled, which two commands set the gateway of last resort to the default gateway?
(Choose two.)
A. ip default-gateway 0.0.0.0
B. ip route 172.16.2.1 0.0.0.0 0.0.0.0
C. ip default-network 0.0.0.0
D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
E. ip route 0.0.0.0 0.0.0.0 172.16.2.1
Answer: CE
Cisco 640-802問題集 640-802 640-802参考書 640-802参考書 640-802
NO.16 A company implements video conferencing over IP on their Ethernet LAN. The users notice that the
network slows down, and the video either stutters or fails completely. What is the most likely reason for
this?
A. minimum cell rate (MCR)
B. quality of service (QoS)
C. modulation
D. packet switching exchange (PSE)
E. reliable transport protocol (RTP)
Answer: B
Cisco 640-802過去問 640-802認証試験 640-802過去問 640-802
NO.17 When configuring a serial interface on a router, what is the default encapsulation?
A. atm-dxi
B. frame-relay
C. hdlc
D. lapb
E. ppp
Answer: C
Cisco認証試験 640-802問題集 640-802 640-802 640-802
NO.18 A system administrator types the command to change the hostname of a router. Where on the Cisco
IFS is that change stored?
A. NVRAM
B. RAM
C. FLASH
D. ROM
E. PCMCIA
Answer: B
Cisco参考書 640-802問題集 640-802
NO.19 What is the difference between a CSU/DSU and a modem?
A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals
from a router to a leased line.
B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals
from a router to a leased line.
C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals
from a router to a phone line.
D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals
from a router to a phone line.
Answer: D
Cisco 640-802問題集 640-802 640-802問題集
NO.20 Which command shows system hardware and software version information?
A. show configuration
B. show environment
C. show inventory
D. show platform
E. show version
Answer: E
Cisco 640-802 640-802 640-802
NO.21 Your ISP has given you the address 223.5.14.6/29 to assign to your router's interface. They have also
given you the default gateway address of 223.5.14.7. After you have configured the address, the router is
unable to ping any remote devices. What is preventing the router from pinging remote devices?
A. The default gateway is not an address on this subnet.
B. The default gateway is the broadcast address for this subnet.
C. The IP address is the broadcast address for this subnet.
D. The IP address is an invalid class D multicast address.
Answer: B
Cisco認定資格 640-802認定資格 640-802 640-802認定試験 640-802認定証 640-802
NO.22 Data transfer is slow between the source and destination. The quality of service requested by the
transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should
the troubleshooting process begin?
A. presentation
B. session
C. transport
D. network
E. physical
Answer: D
Cisco参考書 640-802問題集 640-802 640-802
NO.23 Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an
IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts
to ping between the hosts are unsuccessful. What two things can be done to allow communications
between the hosts? (Choose two.)
A. Replace the straight-through cable with a crossover cable.
B. Change the subnet mask of the hosts to /25.
C. Change the subnet mask of the hosts to /26.
D. Change the address of Workstation A to 192.0.2.15.
E. Change the address of Workstation B to 192.0.2.111.
Answer: AB
Cisco 640-802 640-802
NO.24 Refer to the exhibit.
Which WAN protocol is being used?
A. ATM
B. HDLC
C. Frame Relay
D. PPP
Answer: C
Cisco認定資格 640-802問題集 640-802認定資格 640-802
NO.25 Which command displays CPU utilization?
A. show protocols
B. show process
C. show system
D. show version
Answer: B
Cisco 640-802 640-802 640-802練習問題
NO.26 What must be set correctly when configuring a serial interface so that higher-level protocols calculate
the
best route?
A. bandwidth
B. delay
C. load
D. reliability
Answer: A
Cisco過去問 640-802 640-802
NO.27 Which command is used to configure a default route?
A. ip route 172.16.1.0 255.255.255.0 0.0.0.0
B. ip route 172.16.1.0 255.255.255.0 172.16.2.1
C. ip route 0.0.0.0 255.255.255.0 172.16.2.1
D. ip route 0.0.0.0 0.0.0.0 172.16.2.1
Answer: D
Cisco 640-802問題集 640-802
NO.28 Which command is used to load a configuration from a TFTP server and merge the configuration into
RAM?
A. copy running-config: TFTP:
B. copy TFTP: running-config
C. copy TFTP: startup-config
D. copy startup-config: TFTP:
Answer: B
Cisco過去問 640-802認定証 640-802
NO.29 The network default gateway applying to a host by DHCP is 192.168.5.33/28. Which option is the valid
IP address of this host?
A. 192.168.5.55
B. 192.168.5.47
C. 192.168.5.40
D. 192.168.5.32
E. 192.168.5.14
Answer: C
Cisco 640-802練習問題 640-802問題集
NO.30 A network administrator must configure 200 switch ports to accept traffic from only the currently
attached host devices. What would be the most efficient way to configure MAC-level security on all these
ports?
A. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security
mac-address command.
B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security
mac-address command.
C. Use the switchport port-security MAC address sticky command on all the switch ports that have end
devices connected to them.
D. Use show mac-address-table to determine the addresses that are associated with each port and then
enter the commands on each switch for MAC address port-security.
Answer: C
Cisco 640-802認証試験 640-802認証試験 640-802 640-802参考書 640-802
この人材があちこちいる社会で、多くのプレッシャーを感じませんか。学歴はどんなに高くても実力を代表できません。学歴はただ踏み台だけで、あなたの地位を確保できる礎は実力です。Ciscoの640-802認定試験は人気がある認証で、その認証を持ちたい人がたくさんいます。この試験に受かったら自分のキャリアを固定することができます。Pass4TestのCiscoの640-802試験トレーニング資料はとても良いトレーニングツールで、あなたが首尾よく試験に合格ことを助けられます。試験に合格したら、あなたは国際的に認可され、解雇される心配する必要はありません。
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