Pass4side 640-802最新考試資訊
思科公司簡介
1984年12月，思科系統公司在美國成立。1986年，思科第一臺多協議路由器面市，1993年，世界上出現一個有1000臺思科路由器連成的互聯網 絡，思科系統公司也從此進入了一個迅猛發展的時期。目前互聯網上近80%的信息流量經由思科系統公司的產品傳遞。思科已經成爲毋庸置疑的網絡領導者。思科 系統公司目前在全球擁有35000多名僱員，2004年的營業額超過220 億美元。
產品與服務
Cisco Systems, Inc. 思科系統公司是全球領先的互聯網設備供應商。它的網絡設備和應用方案將世界各地的人、計算設備以及網絡聯結起來，使人們能夠隨時隨地利用各種設備傳送信 息。思科公司向客戶提供端到端的網絡方案，使客戶能夠建立起其自己的統一信息基礎設施或者與其他網絡相連。
思科公司提供業界範圍最廣的網絡硬件產品、互聯網操作系統(IOS)軟件、網絡設計和實施等專業技術支持，並與合作伙伴合作提供網絡維護、優化等方面的技 術支持和專業化培訓服務。
思科的總部位於美國加利福尼亞州的聖何塞，在馬薩諸塞州的Chelmsford和北卡羅來納州研究三角園(Research Triangle Park)的分部負責思科公司部分重要的業務運作。
640-802 考試是 Cisco 公司的 Cisco Certified Network Associate 認證考試官方代號，Cisco Certified Network Associate 認證作爲全球IT領域專家 Cisco 640-802 考試資訊，是許多大中 IT企業選擇人才標準的必備條件。
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下載640-802免費考題
1. 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
2. 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
3. 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
4. Refer to the exhibit. Which two statements are true about the loopback address that is configured on RouterB? (Choose two.)
A. It ensures that data will be forwarded by RouterB.
B. It provides stability for the OSPF process on RouterB.
C. It specifies that the router ID for RouterB should be 10.0.0.1.
D. It decreases the metric for routes that are advertised from RouterB.
E. It indicates that RouterB should be elected the DR for the LAN.
Answer: BC
5. Refer to the exhibit. Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? (Choose two.)
A. Host E and host F use the same IP gateway address.
B. Router1 and Switch2 should be connected via a crossover cable.
C. Router1 will not play a role in communications between host A and host D.
D. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces.
E. Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit.
F. The FastEthernet 0/0 interface on Router1 and Switch2 trunk ports must be configured using the same encapsulation type.
Answer: D
相關考試：
642-983 Cisco Data Center Unified Computing Support Specialist
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