In which solution is a router ACL used?()A. protecting a server frome unauthorized accesB. controlling path selection,based on the route metricC. reducing router CPU utilizationD. filterring packets that are passing through a router

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第3题：

Which of the following show commands would be used on the WDS to display the access points participating in fast secure roaming？（）

• A、router# show wlccp ap
• B、router# show wlccp wds ap
• C、router# show wlccp cckm
• D、router# show wlccp wds cckm

正确答案:B

第4题：

Which router or router combination is used to calculate the MPLS traffic engineering tunnel path？（）

• A、head-end router and tail-end router
• B、middle-point router
• C、head-end router
• D、tart-end router
• E、tail-end router

正确答案:C

第5题：

Which protocol is used to transfer files to on the ERX Edge Router？（）

• A、SCP
• B、FTP
• C、RCP
• D、TFTP

正确答案:B,D

第6题：

In which solution is a router ACL used？（）

• A、protecting a server frome unauthorized acces
• B、controlling path selection，based on the route metric
• C、reducing router CPU utilization
• D、filterring packets that are passing through a router

正确答案:D

第7题：

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）

• A、show ip access-list
• B、show access-list
• C、list ip interface
• D、show interface
• E、show ip interface

正确答案:E

第8题：

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）

• A、The default administrative distance is used.
• B、The command is used to establish a static route.
• C、The command is used to configure the router interfaces.
• D、The command is used to establish a stub network.
• E、The subnet mask for the source address is 255.255.255.0

正确答案:A,B

第9题：

Which of the following is used to deny or allow access to a wireless router network?（）

• A、SSID
• B、SNMP
• C、IMAP
• D、MAC filtering

正确答案:D

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第14题：

Which is true about OSPF router-id?（）

• A、It is used for type 1 router LSA
• B、Highest IP address of the loopback is used
• C、router-id needs to be matched on ospf neighbors
• D、router-id is 16 bit

正确答案:A,B

第15题：

Which of the following commands will display the name of the IOS image file being used in a Cisco router?（）

• A、Router# show IOS
• B、Router# show version
• C、Router# show image
• D、Router# show protocols
• E、Router# show flash

正确答案:B,E

第16题：

Which cleaning product should be used for the inside of a computer？（）

• A、glass cleaner
• B、a simple ammonia and water solution followed by an antistatic solution
• C、a bleach solution followed by water
• D、compressed air

正确答案:D

第17题：

What is the purpose of the OSPF router ID in a OR/BOR election?（）

• A、It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network
• B、It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router
• C、It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network
• D、It is used to determine which interfaces will send Hello packets to neighboring OSPF routers

正确答案:C

第18题：

Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（）

• A、It can be used to block bulk encryption attacks
• B、It can be used to protect against denial of service attacks
• C、Traffic originating from the router is considered trusted， so it is not inspected
• D、Based upon the custom firewall rules， an ACL entry is statically created and added to theexisting ACL permanently
• E、Temporary ACL entries that allow selected traffic to pass are created and persist for theduration of the communication session

正确答案:B,E

第19题：

Which two of these are correct regarding access control lists？ （Choose two.）  （）

• A、 An ACL can be applied to multiple interlaces.
• B、 An ACL wildcard mask is identical to an IP subnet mask.
• C、 There may be multiple ACLs per protocol， per direction， and per interface.
• D、 There is an "implicit deny" at the end of an ACL and will result in a dropped packet.
• E、 An ACL acts on all packets， those flowing thru the router and those originated by the router itself.
• F、 An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.

正确答案:A,D

第20题：

Which of the following troubleshooting steps should be performed NEXT after a core router hasbeen reported down?（）

• A、Implement a solution.
• B、Establish the outage cause.
• C、Identify all affected areas.
• D、Test a solution.

正确答案:C

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