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2010-09-16 09:14:09
CCDA 考试题库由我们专业IT认证讲师及产品专家精心打造，包括了当前最新的全真试题，并且全部附有正确答案。在cisco认证厂商对考题做出变化时，网站都将在第一时间内更新题库，确保题库的覆盖率在96%以上，最终保证了考生能一次通过考试。
部分题库参考如下：
1. Which statement accurately describes one difference between a small office and medium office topology?
A. Small offices commonly use Rapid PVST+ for Layer 3 deployments.
B. Medium offices use integrated 10/100/1000 interfaces as Layer 2 trunks.
C. Medium offices use external access switches to support LAN connectivity.
D. Medium offices commonly use integrated route and switching platforms.
Answer: C
2. Cisco.com is planning to upgrade its current network. The chief technology officer has supplied a topology diagram and an IP addressing scheme of the current network during an interview.
Cisco.com has been growing at about twenty percent per year. It has been difficult to maintain customer support at a satisfactory level. Therefore, the RST board has met with and directed the chief technology officer to look into network improvements. Which two items are most relevant in documenting Cisco.com's business requirements? (Choose two.)
A. network performance requirements
B. existing network topologies
C. the IP addresses assigned by the ISP
D. improved customer support requirements
E. projected growth estimates
Answer: DE
3. Which of these accurately describes dial backup routing?
A. once the backup link is activated it will remain active even after the primary link is restored
B. it always uses permanent static routes
C. it is supplied by the service provider as a secondary PVC at no additional charge
D. the router intiates the dial backup link when a failure is detected on the primary link
E. it always uses distance vector routing protocols
Answer: D
4. Western Associated News Agency recently acquired a large news organization with several sites, which will allow it to expand to worldwide markets. The new acquisition includes these connectivity technologies:
Frame Relay
ATM
SONET
cable
DSL
wireless
From a Layer 1 viewpoint, which Enterprise Edge module will be most affected?
A. E-Commerce
B. Edge Distribution
C. PSTN
D. WAN/MAN
E. Internet Connectivity
F. ISP
Answer: D
5 Which H.323 protocol controls call setup between endpoints?
A. RAS
B. RTCP
C. H.245.
D. H.225.
Answer: D
6. Which two routing protocols operate over NBMA point-to-multipoint networks without the use of point-to-point subinterfaces? (Choose two.)
A. OSPF
B. IS-IS
C. RIPv1.
D. EIGRP
E. IGRP
F. RIPv2.
Answer: AD
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