シスコは普通性の認証ランクが三つあります。それらが代表する専門の水準は次々に上昇します。シスコはまた多種の専門認証を提供して、特定の技術、解決案あるいは職業役のある方面の知識を調査します。
一般性認証：三つの認証ランク
（CCNA） — シスコネットワーク認証計画の第1歩はまず技師のランクから始めます。それをネットワークの初心者或いは入門ランクと見なすことができます。
（CCNP）—これは認証の進級ランクです
（CCIE） — は最高ランク、もうネットの大家になることを証明する
640-802の問題集を提供します
2. Before installing a new, upgraded version of the IOS, what should be checked on the router, and which
command should be used to gather this information? (Choose two.)
A. the amount of available ROM
B. the amount of available flash and RAM memory
C. the version of the bootstrap software present on the router
D. show version
E. show processes
F. show running-config
Answer: BD
6. A network administrator is explaining VTP configuration to a new technician. What should the network
administrator tell the new technician about VTP configuration? (Choose three.)
A. A switch in the VTP client mode cannot update its local VLAN database.
B. A trunk link must be configured between the switches to forward VTP updates.
C. A switch in the VTP server mode can update a switch in the VTP transparent mode.
D. A switch in the VTP transparent mode will forward updates that it receives to other switches.
E. A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP
revision number.
F. A switch in the VTP server mode will update switches in the VTP client mode regardless of the
configured VTP domain membership.
Answer: ABD
7. Which two locations can be configured as a source for the IOS image in the boot system command?
(Choose two.)
A. RAM
B. NVRAM
C. flash memory
D. HTTP server
E. TFTP server
F. Telnet server
Answer: CE
8. What are two reasons a network administrator would use CDP? (Choose two.)
A. to verify the type of cable interconnecting two devices
B. to determine the status of network services on a remote device
C. to obtain VLAN information from directly connected switches
D. to verify Layer 2 connectivity between two devices when Layer 3 fails
E. to obtain the IP address of a connected device in order to telnet to the device
F. to determine the status of the routing protocols between directly connected routers
Answer: DE
11. A company is installing IP phones. The phones and office computers connect to the same device. To
ensure maximum throughput for the phone data, the company needs to make sure that the phone traffic is
on a different network from that of the office computer data traffic. What is the best network device to
which to directly connect the phones and computers, and what technology should be implemented on this
device? (Choose two.)
A. hub
B. router
C. switch
D. STP
E. subinterfaces
F. VLAN
Answer: CF
12. What are two benefits of using VTP in a switching environment? (Choose two.)
A. It allows switches to read frame tags.
B. It allows ports to be assigned to VLANs automatically.
C. It maintains VLAN consistency across a switched network.
D. It allows frames from multiple VLANs to use a single interface.
E. It allows VLAN information to be automatically propagated throughout the switching environment.
Answer: CE
13. Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4?
(Choose two.)
A. It establishes a static route to the 172.16.3.0 network.
B. It establishes a static route to the 192.168.2.0 network.
C. It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.
D. It configures the router to send any traffic for an unknown destination out the interface with the address
192.168.2.4.
E. It uses the default administrative distance.
F. It is a route that would be used last if other routes to the same destination exist.
Answer: AE