CCNA_2_UPD (1130967), страница 10
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It thenadvertises the network for this link with a hop count metric of 16. Whichrouting loop prevention mechanism is in effect?route poisoning11. What is the purpose of the TTL field in the IP header?limits the time or hops that a packet can traverse through the network before itshould be discarded12. Which of the following can exist in a distance vector network that hasnot converged? (Choose three.)routing loopsinconsistent traffic forwardinginconsistent routing table entries13.
Refer to the exhibit. The routers in this network are running RIP. RouterA has not received an update from Router B in over three minutes. How willRouter A respond?The Invalid timer will mark the route as unusable if an update has not been receivedin 180 seconds.14. A network administrator is evaluating RIP versus EIGRP for a newnetwork. The network will be sensitive to congestion and must respondquickly to topology changes.
What are two good reasons to choose EIGRPinstead of RIP in this case? (Choose two.)EIGRP only updates affected neighbors.EIGRP updates are partial.15. Refer to the exhibit. What path will packets from the 192.168.1.0/24network travel to reach the 10.0.0.0/8 network if RIP is the active routingprotocol?The path will be router A -> router D -> router E.16. Which three routing protocols are distance vector routing protocols?(Choose three).RIPv1EIGRPRIPv217.
What is a routing loop?a condition where a packet is constantly transmitted within a series of routerswithout ever reaching its intended destination18. Which two conditions are most likely to cause a routing loop? (Choosetwo.)inconsistent routing tablesincorrectly configured static routes19. What metric does the RIP routing protocol consider to be infinity?1620. What does a router running RIP do first with a new route that isreceived from an advertisement?adjusts the metric for the new route to show the added distance for the route21.
Refer to the exhibit. If all routers are using RIP, how many rounds ofupdates will occur before all routers know all networks?3Стр. 21 из 2701.04.2009 0:45CISCO CCNA Certifications: CCNA 2 UPDATEDfile:///D:/botalka/%D1%81%D0%B8%D1%81%D1%8C%D0%BA...comments (0)TOP04:27CCNA 2:Module 3POSTED BY ADMINOptions With Highlight Colours are Correct Answer1. Which two statements correctly describe the concepts of administrativedistance and metric? (Choose two.)Administrative distance refers to the trustworthiness of a particular route.Routes with the smallest metric to a destination indicate the best path.2. Refer to the exhibit. Which statement correctly describes how R1 willdetermine the best path to R2?R1 will install an EIGRP route using network B in its routing table because theadministrative distance of EIGRP is lower than RIP.3.
Which two statements are true regarding classless routing protocols?(Choose two.)sends subnet mask information in routing updatesallows for use of both 192.168.1.0/30 and 192.168.1.16/28 subnets in the sametopology4. Which command would the network administrator issue to determine ifload balancing is in effect on a router?show ip route5. Which statement is true regarding routing protocols?EIGRP uses DUAL to calculate the shortest path and can be configured to do unequalcost load balancing.6. Which two conditions would create a setting where the use of a distancevector routing protocol would be efficient? (Choose two.)the network is using a hub and spoke topologythe network is using a flat design7. What is the purpose of a routing protocol?It allows a router to share information about known networks with other routers.8.
Which of the following best describes the operation of distance vectorrouting protocols?They send their routing tables to directly connected neighbors.9. Which of the following is associated with link-state routing protocols?shortest-path first calculations10. Why is fast convergence desirable in networks that use dynamic routingprotocols?Routers may make incorrect forwarding decisions until the network has converged.11. Which of the following conditions must be met in order for a network tohave convergedThe routers in the network are operating with consistent routing knowledge.12.
Which two statements are true regarding metrics? (Choose two.)EIGRP uses bandwidth as a metric.OSPF uses cost based on bandwidth as a metric.13. Which two statements are true regarding the advantages of the use ofstatic routes? (Choose two).increased securitythe administrator maintains control over routing14. The following line of code is displayed in a routing table:R 209.165.201.0/24 [120/2] via 192.168.252.2, 00:00:16, S0/0/0What can be concluded from this output?The value, 120, is used to determine the best path when a router has more than onerouting protocol configured for the same destination network.15.
What will be the result of the following commands?ORL(config)# interface fastethernet 0/0ORL(config-if)# ip address 172.16.3.1 255.255.255.0ORL(config-if)# no shutdownA routing table entry is made to the 172.16.3.0 network with a code of "C".16. An engineer creates a static route by entering the Router(config)# iproute 10.0.0.0 255.255.255.0 192.168.1.2 command. What can beconcluded about this route?The administrative distance of this route is 1.17. Refer to the exhibit.
Router1 and Router2 are running EIGRP. Allinterfaces are operational and packets can be forwarded between allnetworks. What information will be found in the routing table for Router1?The administrative distance of the route to network 172.16.0.0 will be 90.Стр. 22 из 2701.04.2009 0:45CISCO CCNA Certifications: CCNA 2 UPDATEDfile:///D:/botalka/%D1%81%D0%B8%D1%81%D1%8C%D0%BA...18. The following line of code is present in the routing table:10.16.1.0/27 [110/129] via 192.168.1.5, 00:00:05, Serial0/0/1What does the number 129 indicate in this output?The cost for this link has a value of 129.19. A growing medium-sized manufacturing company recently began tohave routing instability issues. The company uses static routes and has amixture of over 30 Cisco and non-Cisco routers.
The network administratorhas decided to convert the network to dynamic routing. Whatcharacteristics of protocols should be considered in this selection process?OSPF can be used between the routers.20. Refer to the exhibit. If RIP is the routing protocol, what is the value ofthe metric from router A to network 192.168.5.0/24?321. A router learns two paths with equal metrics to a destination networkvia the RIP routing protocol.
How will the router handle packets to thedestination network?The router will install both routes in the routing table and load balance between thetwo.comments (0)TOP04:26CCNA 2:Module 2POSTED BY ADMINOptions With Highlight Colours are Correct Answer1. Which of the following are displayed by the Router# show cdp neighborscommand? (Choose three.)platformholdtimelocal interface2. Why is it advisable to enter a next-hop IP address when creating a staticroute whose exit interface is an Ethernet network?In a multi-access network, the router cannot determine the next-hop MAC addressfor the Ethernet frame without a next-hop address.3. The output of the Router# show interfaces serial 0/1 command displaysthe following:Serial0/1 is up, line protocol is down.4.
What is the most likely cause for the line protocol being down?No clock rate has been set.5. A static route that points to the next hop IP will have whatadministrative distance and metric in the routing table?administrative distance of 1 and metric of 06. Refer to the exhibit. What two commands will change the next-hopaddress for the 10.0.0.0/8 network from 172.16.40.2 to 192.168.1.2?(Choose two.)A(config)# no ip route 10.0.0.0 255.0.0.0 172.16.40.2A(config)# ip route 10.0.0.0 255.0.0.0 192.168.1.27.
Refer to the exhibit. A company network engineer is assigned to establishconnectivity between the two Ethernet networks so that hosts on the10.1.1.0/24 subnet can contact hosts on the 10.1.2.0/24 subnet. Theengineer has been told to use only static routing for these company routers.Which set of commands will establish connectivity between the twoEthernet networks?R1(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.2R2(config)# ip route10.1.2.0 255.255.255.0 192.168.0.18. Refer to the exhibit. Which static route should be configured on Router1so that host A will be able to reach host B on the 172.16.0.0 network?ip route 172.16.0.0 255.255.0.0 S0/0/09.
What address can be used to summarize networks 172.16.1.0/24,172.16.2.0/24, 172.16.3.0/24, and 172.16.4.0/24?172.16.0.0/2111. Refer to the exhibit. What is the significance of the /8 in the route tothe 10.0.0.0 network?It indicates the number of consecutive bits, from the left, in the destination IPaddress of a packet that must match 10.0.0.0 to use that route.12. What two devices are responsible for converting the data from the WANservice provider into a form acceptable by the router? (Choose two).a modema CSU/DSU device13.
A network administrator enters the following command into Router1: ipСтр. 23 из 2701.04.2009 0:45CISCO CCNA Certifications: CCNA 2 UPDATEDfile:///D:/botalka/%D1%81%D0%B8%D1%81%D1%8C%D0%BA...route 192.168.0.0 255.255.255.0 S0/1/0. Router1 then receives a packetthat is destined for 192.168.0.22/24. After finding the recently configuredstatic route in the routing table, what does Router1 do next to process thepacket?encapsulates the packet into a frame for the WAN link and forwards the packet outthe S0/1/0 interface.14.
Which piece of information is available from examining the output of thecommand show ip interface brief?Interface IP address15. Which of the following is true regarding CDP and the graphic shown?By default, Router A will receive CDP advertisements from routers B and C.16. Which two statements describe functions or characteristics of CDP?(Choose two.)It starts up automatically and allows the device to detect directly connectedneighbor devices that use CDP.It allows systems to learn about each other even if different network layer protocolsare configured.17. Hosts on two separate subnets cannot communicate. The networkadministrator suspects a missing route in one of the routing tables. Whichthree commands can be used to help troubleshoot Layer 3 connectivityissues? (Choose three.)pingtracerouteshow ip route18.
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