22Jul

CCNA-Important Questions300—400

时间: 2013-7-22 分类: CCNA 作者: 鱼小委 5397 次浏览

QUESTION 302
By default, each port in a Cisco Catalyst switch is assigned to VLAN1. Which two recommendations are key to avoid unauthorized management access? (Choose two.)

 
 
 
 
 
 

QUESTION 307
Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery to the proper host on a LAN?

 
 
 
 

QUESTION 308
Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure that reliable networking occurs?

 
 
 
 
 

QUESTION 314
In an Ethernet network, under what two scenarios can devices transmit? (Choose two.)

 
 
 
 
 

QUESTION 330
Why will a switch never learn a broadcast address?

 
 
 
 
 

QUESTION 348
What is the purpose of the inverse ARP?

 
 
 
 
 
 

QUESTION 351
What are two benefits of using NAT?(choose two)

 
 
 
 
 
 

QUESTION 352
Which three statements about RSTP are true?(choose three)

 
 
 
 
 
 

QUESTION 356
Which two statements about static NAT translations are true?(choose two)

 
 
 
 

QUESTION 365
Why do large OSPF networks use a hierarchical design?(choose three)

 
 
 
 
 
 

QUESTION 384
What is one benefit of PVST+?

 
 
 
 

QUESTION 385
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router.Which
of the following statement is true concering this command?

 
 
 
 
 

QUESTION 390
Your boss is learning a CCNA training course, refer to the exhibit. The access list has been configured on the S0/0 interface of router RTB in the outbound direction. Which two packets, if routed to the interface, will be denied? (Choose two)

390

access-list 101 deny tcp 192.168.15.32 0.0.0.15 any eq telnet
access-list 101 permit ip any any

 
 
 
 
 
 

QUESTION 399
Which of the following are key characteristics of PPP? (Choose three.)

 
 
 
 
 

QUESTION 325
Which of the following are true regarding the debug output shown in the graphic?(choose two)

325

 
 
 
 
 
 

QUESTION 326
The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?

 
 
 
 
 

QUESTION 335
Which command can be used from a PC to verfy the connectivity between host that connect through path?

 
 
 
 


Question 1 of 17


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目前有一条精彩评论

  1. 鱼小委 发表于: 2013 年 8 月 25 日 00:30:34

    你仔细看答案,我已经把答案打乱了,背题要看答案的内容,不要背ABCDEF

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