A policy needs to be implemented on Router B so that any traffic sourced from 172.16.10.0／24 will be forwarded to Router C. Which configuration on Router B will achieve the desired effect?()A.access - list 1 permit 172.16.10.0 0.0.0.255 ! interface e0 ip

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A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）

• A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the  OSPF configuration.
• B、For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration.
• C、Direct inter-vlan communication does not require OSPF
• D、OSPF cannot be used if router-on-a-stick is configured on the router

第5题：

You just purchased a refurbished router that contains a configuration from a previous deployment. What should you do, before entering a new configuration into the router?（）

• A、RAM should be erased and the router restarted.
• B、Flash should be erased and the router restarted.
• C、NVRAM should be erased and the router restarted.
• D、The new configuration should be entered and saved.

第6题：

Refer to the exhibit. The DHCP configuration that is shown is configured on a Cisco router. Whichstatement is true？（）

• A、The router will distribute IP addresses from pool 1 until its addresses are exhausted. Then therouter will begin distributing addresses from pool 2
• B、The configuration is invalid because the DHCP options are global configuration commands
• C、The configuration is incomplete until the DHCP pools are bound to the appropriate interface orinterfaces
• D、The router will choose which pool to use based upon the interface the DHCP request wasreceived on

第7题：

What are two reasons that a network administrator would use access lists? (Choose two.) （）。

• A、to control vty access into a router  
• B、to control broadcast traffic through a router  
• C、to filter traffic as it passes through a router  
• D、to filter traffic that originates from the router  
• E、to replace passwords as a line of defense against security incursions 

第8题：

An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）

• A、Router routes traffic between different networks and a switch does not
• B、The new switch is faulty and needs to be replaced and configured correctly
• C、The firewall needs to be setup to allow traffic to reach the Internet
• D、The switch needs to be setup to forward data traffic to the Internet

第9题：

Users can define policy to control traffic flow between which two components? （）(Choose two.)

• A、from a zone to the router itself
• B、from a zone to the same zone
• C、from a zone to a different zone
• D、from one interface to another interface

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The network administrator of the Oregon router adds the follwing command to the router configuration: ip route 192.168.12.0 255.255.255.0 172.16.12.1. What are the results of adding this command?（）

• A、The command establishes a static route
• B、The command invokes a dynamic routing protocol for 192.168.12.0
• C、Traffic for network 192.168.12.0 is forwarded to 172.16.12.1
• D、Traffic for all networks is forwarded to 172.16.12.1
• E、This route is automatically propagated throughout the entire network
• F、Traffic for network 172.16.12.0 is forwarded to the 192.168.12.0 network

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A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How canyou accomplish this task，using the fewest physical interfaces and withoutdecreasing networkperformance？（）

• A、Add two more FastEthernet interfaces.
• B、Add a second router to handle the vlan traffic.
• C、Use a hub to connect the four vlans with a FastEthernet interface on router.
• D、Implement a router-on-a-stick configuration.

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A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?（）

• A、Add two more FastEthernet interfaces.
• B、Add a second router to handle the vlan traffic.
• C、Use a hub to connect the four vlans with a FastEthernet interface on router.
• D、Implement a router-on-a-stick configuration.

第18题：

In which two ways does the BGP graceful capability preserve prefix information during a restart？（）

• A、The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.
• B、The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates，the restarting router starts sending its own updates.
• C、The peer router sends an end-of-RIB message to the restarting router.
• D、The restarting router removes any stale prefixes after the timer for stale entries expires.
• E、The restarting router does not remove any stale prefixes after the timer for stale entries expires.

第19题：

The above bgp configuration has what effect on the configured router？（）

• A、Allows incoming TCP connections destined to port 179
• B、Allows incoming TCP connections sourced from port 179
• C、Allows incoming TCP connections from 1.1.1.1 and destined to，or sourced from port 179
• D、Allows incoming TCP connections from 1.1.1.1 that are destined to port 179
• E、Allows incoming TCP connections from 1.1.1.1 that are sourced from port 179

第20题：

What are two examples of RE exception traffic?（）

• A、BGP updates that travel through the local router and are destined for a remote router.
• B、OSPF hello packets that are sent from a remote router and are destined for the local router.
• C、Telnet traffic that is sent from a remote host and is destined for the local router.
• D、Telnet traffic that travels through the local router and is destined for a remote end host.

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