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ចង់ប្តូរការងារ ឬ កំពុងស្វែងរកការងារ​​ ផ្វើសារឥឡូវនេះ

1. What network address and subnet mask combination would be used to create a default static route that matches any IPv4 destination?

       A. 0.0.0.0 0.0.0.0

       B. 0.0.0.0 255.255.255.255

       C. 255.255.255.255 255.255.255.255

       D. 255.255.255.255 0.0.0.0


2. Why would a summarized static route be configured on a router?

       A. to reduce the number of public IP addresses required by an organization

       B. to provide a better route than a particular routing protocol

       C. to provide a default gateway for a router that connects to an ISP

       D. to reduce the size of the routing table

       E. to reduce the size of the routing protocol update to a neighboring router


3. What are two reasons why an administrator might choose to use static routing rather than dynamic routing? (Choose two.)

        A. Static routing is easier to maintain in large networks.

        B. Static routing is more secure.

        C. Static routing is more scalable.

        D. Static routing uses less router processing and bandwidth.

        E. Static routing does not require complete knowledge of the whole network.


4. A network administrator notices that a correctly entered static route is not in the routing table. What two router commands would an administrator use to determine if the exit interface was up and the next hop address is available? (Choose two.)

        A. ping

        B. show ip protocols

        C. show ip interface brief

        D. show ip route

        E. tracert


5. What is a characteristic of a default static route? ​

        A. It backs up a route already discovered by a dynamic routing protocol.

        B. It uses a single network address to send multiple static routes to one destination address.

        C. It identifies the gateway IP address to which the router sends all IP packets for which it does not have a learned or static route.

        D. It is configured with a higher administrative distance than is the original dynamic routing protocol.


6. What type of static route is created when the next-hop IP address and exit interface are specified?

        A. recursive static route

        B. directly connected static route

        C. fully specified static route

        D. floating static route


7. What are two functions of dynamic routing protocols? (Choose two.)

        A. to maintain routing tables

        B. to assure low router overhead

        C. to avoid exposing network information

        D. to discover the network

        E. to choose the path that is specified by the administrator


8. A network administrator has examined the routing table of a router and noted that the entry for the destination network 172.16.4.0/24 begins with the letter D. What does this letter signify?

        A. The route to network 172.16.4.0/24 is directly connected.

        B. The route source was learned dynamically.

        C. That is the direct route for packets to that network.

        D. The route to this network is configured statically on the router.


9. What is the purpose of classifying Cisco IP routing table entries as ultimate route, level 1 route, level 1 parent route, and level 2 child routes?

        A. to enable the implementation of dynamic routing protocols

        B. to explain the operation of the routing table as a flat database

        C. to enable Cisco routers to implement both IPv4 and IPv6 routing

        D. to explain the operation of the hierarchical structure of the routing table


10. A network administrator is examining a RIPv2 routing table and notices that several subnets are advertised in individual entries. What can an administrator do to enable a RIPv2 router to automatically group multiple directly attached subnetworks into a single network statement?

        A. Use the passive-interface command.

        B. Use the auto-summary command.

        C. Use the default-information originate command.

        D. Use the version 2 command.



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