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单选题
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）
A
Route 1 is the best route.
B
Route 2 is the best route.
C
The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.
D
Neither route is considered best.
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更多 “单选题Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）A Route 1 is the best route.B Route 2 is the best route.C The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.D Neither route is considered best.” 相关考题
考题
Which two statements describe the default routing policy for BGP?()
A.Advertise only locally originated routes.B.Accept all BGP routes and import into inet.0.C.Advertise all active BGP routes.D.Advertise only EBGP routes.
考题
The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（）R1 show ip bgp 19 0.1.0.0/16BGP routing table entry for 190.1.0.0/16, version 121Paths: (1 available, best 1, table Default - IP - Routing - Table)Advertised to update - groups:11 2 3 41.1.1.1 from 2.2.2.2 (3.3.3.3)Origin IGP, metric 0, localpref 100, valid, internal, bestA. R1 has a neighbor 1.1.1.1 command configured.B. R1 has a neighbor 2.2.2.2 command configured.C. The show ip bgp command lists a line for 190.1.0.0/16 with both an and an i on the left.D. R1 is in ASN 1.
考题
Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1‘s routing table within this rangE. Which of the following answers would cause R1 to advertise the 130.1.1 6.0/20 prefix to its eBGP peers?（）R1 show ip route 130.1.16.0 255.255.240.0 longer - prefixes! lines omitteD...O 130.1.16.0/24 [110/3] via 10.5.1.1, 00:14:36, FastE thernet0/1O 130.1.17.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1O 130.1.18.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1A. Configure R1 with the network 130.1.16.0 mask 255.255.240.0 command.B. Configure R1 with the network 130.1.16 .0 mask 255.255.240.0 summaryonly command.C. Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed.D. Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed, and create a BGP summary for 130.1.16.0/20.
考题
Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）A. 22B. 11C. 1D. None
考题
A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes.Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）A. paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHB. paths for which the NEXT_HOP is inaccess ibleC. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHD. paths for which the NEXT_HOP is accessibleE. paths that are marked as synchronized in the show ip bgp outputF. paths that are marked as not synchronized in the show ip bgp output
考题
Refer to the exhibit. Which two statement s are correct?()
A. All the routes were redistributed into BGP from an IGPB. All the routes were originated by BGP with the network commandC. All six routes will be installed in the routing tableD. Four routes will be installed in the routing ta bleE. Two routes will be installed in the routing table
考题
Router R1 is configured as shown below:router eigrp 100network 10.0.0.0eigrp stubBased on the information shown above, which two types of routes will be advertised?()
A. Receive - onlyB. StubC. StaticD. SummaryE. ConnectedF. Dynamic
考题
Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively. Which of the following commands would not be part of a working eBGP confi guration on Router R1?（）A、router bgp 1B、neighbor 2.2.2.2 remote- as 2C、neighbor 2.2.2.2 update - source loopback1D、neighbor 2.2.2.2 multihop 2
考题
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）A、Route 1 is the best route.B、Route 2 is the best route.C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .D、Neither route is considered best.
考题
What are two default routing policies on Junos devices?（）A、The BGP import policy accepts all BGP routes.B、The BGP export policy rejects all active BGP routes.C、The OSPF import policy accepts all OSPF routes.D、The OSPF export policy accepts all active OSPF routes.
考题
Which two options does Cisco PfR use to control the entrance link selection with inbound optimization？（）A、Prepend extra AS hops to the BGP prefix.B、Advertise more specific BGP prefixes（longer mask）.C、Add（prepend）one or more communities to the prefix that is advertised by BGP.D、Have BGP dampen the prefix.
考题
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.
考题
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）A、Route 1 is the best route.B、Route 2 is the best route.C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.D、Neither route is considered best.
考题
Router R1 is configured as shown below: router eigrp 100 network 10.0.0.0 eigrp stub Based on the information shown above, which two types of routes will be advertised？（）A、Receive - onlyB、StubC、StaticD、SummaryE、ConnectedF、Dynamic
考题
A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router： R1 Configuration： router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary Routing table information： show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1， 2d00h， Ethernet0/0 Why is this prefix not in the local BGP table of the R1？（）A、The 172.16.1.1 neighbor is down.B、The prefix 10.10.10.0/24 is not a ’connected’ routeC、This route is not a BGP learned routeD、The network command is wrongE、None of the other alternatives apply
考题
R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）A、The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.B、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.C、The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.D、T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.E、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
考题
多选题Refer to the exhibit. Which two statements are correct？ （Choose two.）（）AAll six routes will be installed in the routing table.BTwo routes will be installed in the routing table.CFour routes will be installed in the routing table.DAll the routes were redistributed into BGP from an IGP.EAll the routes were originated by BGP with the network command.
考题
单选题Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）A
22B
11C
1D
None
考题
单选题Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively. Which of the following commands would not be part of a working eBGP confi guration on Router R1?（）A
router bgp 1B
neighbor 2.2.2.2 remote- as 2C
neighbor 2.2.2.2 update - source loopback1D
neighbor 2.2.2.2 multihop 2
考题
多选题In which two ways does the BGP graceful capability preserve prefix information during a restart？（）AThe peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.BThe 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.CThe peer router sends an end-of-RIB message to the restarting router.DThe restarting router removes any stale prefixes after the timer for stale entries expires.EThe restarting router does not remove any stale prefixes after the timer for stale entries expires.
考题
多选题Refer to the exhibit. Which two statements are correct？（）AAll six routes will be installed in the routing tableBTwo routes will be installed in the routing tableCFour routes will be installed in the routing tableDAll the routes were redistributed into BGP from an IGPEAll the routes were originated by BGP with the network command
考题
多选题In which two ways does the BGP graceful restart capability preserve prefix information during a restart？（）AThe peer router sends an end-of RIB message to the restarting routerBThe peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing tableCThe restarting router does not remove any stale prefixes after the timer for stale entries expiresDThe router establishes BGP sessions with other routers and relearns the BGP routes from other routers that are also capable of graceful restart. The restarting router waits to receive updates from the neighboring routers. When the neighboring routers send end-of-RIB messages to indicate that they are done sending updates， the restarting router starts sending its own updatesEThe restarting router removes any stale prefixes after the timer for stale entries expires
考题
单选题Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1's routing table within this rangE. Which of the following answers would cause R1 to advertise the 130.1.1 6.0/20 prefix to its eBGP peers?（） R1# show ip route 130.1.16.0 255.255.240.0 longer - prefixes ! lines omitteD... O 130.1.16.0/24 [110/3] via 10.5.1.1, 00:14:36, FastE thernet0/1 O 130.1.17.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1 O 130.1.18.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1A
Configure R1 with the network 130.1.16.0 mask 255.255.240.0 command.B
Configure R1 with the network 130.1.16 .0 mask 255.255.240.0 summaryonly command.C
Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed.D
Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed, and create a BGP summary for 130.1.16.0/20.
考题
多选题Router R1 is configured as shown below: router eigrp 100 network 10.0.0.0 eigrp stub Based on the information shown above, which two types of routes will be advertised？（）AReceive - onlyBStubCStaticDSummaryEConnectedFDynamic
考题
多选题Which two statements describe the default routing policy for BGP?（）AAdvertise only locally originated routes.BAccept all BGP routes and import into inet.0.CAdvertise all active BGP routes.DAdvertise only EBGP routes.
考题
单选题R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）A
The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.B
The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.C
The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.D
T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.E
The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
考题
单选题A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router： R1 Configuration： router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary Routing table information： show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1， 2d00h， Ethernet0/0 Why is this prefix not in the local BGP table of the R1？（）A
The 172.16.1.1 neighbor is down.B
The prefix 10.10.10.0/24 is not a ’connected’ routeC
This route is not a BGP learned routeD
The network command is wrongE
None of the other alternatives apply
考题
多选题A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes. Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）Apaths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHBpaths for which the NEXT_HOP is inaccess ibleCpaths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHDpaths for which the NEXT_HOP is accessibleEpaths that are marked as synchronized in the show ip bgp outputFpaths that are marked as not synchronized in the show ip bgp output
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