问题CCNA

cwav · 发表于 2004-4-8 01:20:56

QUESTION NO: 115 OSPF routing makes use of areas. What are the characteristics of these areas? (Choose all that apply.) A. Hierarchical OSPF networks do not need multiple areas B. Multiple OSPF areas must connect to area 0 C. Single area OSPF networks must be configured in area 1 D. Areas can be assigned any number from 0 to 63535 E. Area 0 is called the backbone area F. Each OSPF area need to be configures with a loopback interface Answer: B, C, E（B，D，E） ExplanationIn multiple area OSPF networks, all areas must connect to th backbone area which is disgnated Area 0. In Single area OSPF networks, there is no backbone,. There fore the Area is designated Area 1 BDE

cwav · 发表于 2004-4-8 01:23:17

QUESTION NO: 131 Which characteristics describe the routing protocol EIGRP? (Choose two) A. Has a maximum hop count of 255 B. Uses a 32-bit metric C. Can differentiate between internal and external routes D. Supports a single routed protocol E. Can maintain only a single routing table F. Required all networks within an AS to use the same subnet mask Answer: B, C A不用说了 B就是这样 C完全正确，层次体系 D可以多路由协议 E三张路由表 F支持VLSM

cwav · 发表于 2004-4-8 01:24:52

QUESTION NO: 170 You work as network technician at TestKing and you are now required to apply an access list on a virtual terminal line of a router. Which command should you use? A. RouterTK(config-line)# access-class 10 in B. RouterTK(config-if)# ip access-class 23 out C. RouterTK(config-line)# access-group 15 out D. RouterTK(config-if)# ip access-group 110in E. RouterTK(config-line)# access-list 150 in F. RouterTK(config-if)# ip access-list 128 out Answer: B 应该选择A 要相信自己

cwav · 发表于 2004-4-8 01:27:15

QUESTION NO: 173 Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two) A. It is locally significant. B. It is globally significant C. It is needed to identify a unique instance of an OSPF database. D. It is an optional parameter required only if multiple OSPF processes are running on the router. E. All routers in the same OSPF area must have the same process ID if they are to exchange routing information. BC

cwav · 发表于 2004-4-8 01:28:56

VLAN 三种技术1。基于端口 2。MAC　3。IP address 具体原理和配置命令？？？ ：）还有一种，基于组播的，具体原理和配置……说来话长……略～

cwav · 发表于 2004-4-8 01:31:05

QUESTION NO: 4 What is the most common layer 2 device? A. Hub B. Bridge C. Switch D. Router Answer: C Explanation: A switch segments the network and uses an ASIC for fast switching. It has become the most common layer two device. Chapter: 6 题目说“most common”，就不要钻牛角尖啦

cwav · 发表于 2004-4-8 01:32:15

QUESTION NO: 11 When enabling EIGRP routing, what parameters must you apply? A. broadcast address, and AS number B. network number and AS number C. igrp routing, network number, and passive interface D. igrp routing, network number, and AS Answer: D Explanation: To enable EIGRP on your router, you must specify EGRP routing, the network number, and the AS system number. Chapter: 应该选择（B） 应该是B吧

cwav · 发表于 2004-4-8 01:34:25

QUESTION NO: 12 What is a connection protocol at the Host to Host layer? A. ARP B. RARP C. TCP D. UDP E. IP F. ICMP G. BootP Answer: C Explanation: Transport Protocol is a connection protocol that resides at the Host to Host layer of the DOD stack and handles connection oriented communication. Chapter: 6(D怎么不能) 注意connection protocol ，UDP不是

cwav · 发表于 2004-4-8 01:36:12

QUESTION NO: 32 Which of the following statements is true in regards to Frame Relay Multipoint subinterfaces? A. An ip address is required on the physical interface B. All routers are required to be fully meshed C. All routers must be in the same subnet to forward routing updates and broadcasts D. Multipoint is the default configuration for Frame Relay subinterfaces Answer: C Explanation: Unlike Frame Relay point-to-point connections, multipoint Frame Relay router interfaces must all be in the same subnet. Chapter: 7 A没必要 B没必要 C很正确，这点和point-to-point是有区别的 D完全打叉

cwav · 发表于 2004-4-8 01:53:55

QUESTION NO: 41 You are a technician at TestKing. You add a new workstation to the Testking network. The workstation is to be used by a new employee. The employee is unable to connect to the server at IP address 192.168.10.98/27. Identify the incorrectly configured network parameter. Examine the exhibit. A. Workstation IP address B. Workstation subnet mask C. Workstation default gateway D. Router interface E0 ip address Answer: C Explanation: Examine the exhibit.？？

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