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passguide 640-802 cisco test

By PassGuide CCNA Training Materials and Practice Tests | April 1, 2010

Use Cisco 640-802 braindumps and pass the exam. Best in industry PassGuide 640-802 questions and answers for Cisco Certified Network Associate (CCNA) exam Question:361
As a CCNA candidate, you are required to have a firm understanding of the OSI model. At which
layers of the OSI model do Wide Area Networks operate in? Please drag the items to the proper locations.

Answer: A

A WAN is a data communications network that covers a relatively broad geographic area and that often uses transmission facilities provided by common carriers, such as telephone companies. WAN technologies generally function at the lower two layers of the OSI reference model: the physical layer and the data link layer as shown below.

Note: Occasionally WAN’s would also be considered to operate at layer 3, but since this question asked for only 2 chopices layers 1 and 2 are better choices.

Question:362
How does using the service password-encryption command on a router provide additional security?

A.by encrypting all passwords passing through the router
B.by encrypting passwords in the plain text configuration file
C.by requiring entry of encrypted passwords for access to the device
D.by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E.by automatically suggesting encrypted passwords for use in configuring the router

Answer: B

Question:363
Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with
router B?

A.The loopback addresses are on different subnets.
B.The values of the dead timers on the routers are different.
C.Route summarization is enabled on both routers.
D.The process identifier on router A is different than the process identifier on router B.

Answer: B

Question:364
Refer to the exhibit.
What statement is true of the configuration for this network?

A.The configuration that is shown provides inadequate outside address space for translation of the
number of inside addresses that are supported.
B.Because of the addressing on interface FastEthemet0/1, the Seria0/0 interface address will not support the NAT configuration as shown.
C.The number 1 referred to in the ip nat inside source command references access-list number1.
D.ExtemalRouter must be configured with static routers to networks 172.16.2.0/24.

Answer: C

Question:365
Refer to the exhibit. The network is converged.After link-state advertisements are received from
Router_A, what information will Router_E contain in its routing table for the subnets 208.149.23.64 and 208.149.23.96?

A. 208.149.23.64[110/13] via 190.173.23.10,00:00:07, FastEthemet0/0
208.149.23.96[110/13] via 190.173.23.10,00:00:16, FastEthemet0/0
B. 208.149.23.64[110/1] via 190.172.23.10,00:00:07, Serial1/0
208.149.23.96[110/3] via 190.173.23.10,00:00:16, FastEthemet0/0
C. 208.149.23.64[110/13] via 190.173.23.10,00:00:07, Serial1/0
208.149.23.96[110/13] via 190.173.23.10,00:00:16, Serial1/0
208.149.23.96[110/13] via 190.173.23.10,00:00:16, FastEthemet0/0
D. 208.149.23.64[110/3] via 190.172.23.10,00:00:07, Serial1/0
208.149.23.96[110/3] via 190.173.23.10,00:00:16, Serial1/0

Answer: A

Question:366
Refer to exhibit. The company uses EIGRP as the routing protocol. What path will packets take from
a host on 192.168.10.192/26 network to a host on the LAN attached to router R1?

A.The path of the packets will be R3 to R2 to R1.
B.The path of the packets will be R3 to R1 to R2.
C.The path of the packets will be both R3 to R2 to R1 AND R3 to R1.
D.The path of the packets will be R3 to R1.

Answer: D