24Jul

CCNA—Important Questions1—100

时间: 2013-7-24 分类: CCNA 作者: 鱼小委 2994 次浏览

QUESTION 19
When configuring a serial interface on a router, what is the default encapsulation?

 
 
 
 
 

QUESTION 22
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?

 
 
 
 
 

QUESTION 23
Data transfer is slow between the source and destination. The quality of service requested by the transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should the troubleshooting process begin?

 
 
 
 
 

QUESTION 26
Which three options are valid WAN connectivity methods? (Choose three.)

 
 
 
 
 
 

QUESTION 35
Which two features did WPAv1 add to address the inherent weaknesses found in WEP? (Choose two.)

 
 
 
 
 

QUESTION 39
What two things will a router do when running a distance vector routing protocol? (Choose two.)

 
 
 
 
 

QUESTION 60
What are three advantages of VLANs? (Choose three.)

 
 
 
 
 
 

QUESTION 61
An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? (Choose two.)

 
 
 
 
 
 

QUESTION 69
What are some of the advantages of using a router to segment the network? (Choose two.)

 
 
 
 
 

QUESTION 71
Which characteristics are representative of a link-state routing protocol? (Choose three.)

 
 
 
 
 

QUESTION 73
Use the output from the router shown in the graphic above to determine which of the following are correct.(Choose two.)
73

 
 
 
 
 
 

QUESTION 80
Which statements describe the routing protocol OSPF? (Choose three.)

 
 
 
 
 
 

QUESTION 81
The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:
Router Ethernet port – 1st usable address
Core – 2nd usable address
Core2 – 3rd usable address
For this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? (Choose three.)
81

 
 
 
 
 
 

QUESTION 90
Refer to the exhibit. Assume that all of the router interfaces are operational and configured correctly. How will router R2 be affected by the configuration of R1 that is shown in the exhibit?
90

 
 
 
 

QUESTION 94
What are three characteristics of the OSPF routing protocol? (Choose three.)

 
 
 
 
 
 

QUESTION 97
For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)

 
 
 
 
 
 

QUESTION 98
As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen? (Choose two.)

 
 
 
 
 

QUESTION 99
Which two statements are true regarding EIGRP? (Choose two.)

 
 
 
 
 


Question 1 of 18


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