Routers A and B have an OC12c and a GE link between them and are running OSPF over both ofthese links. Which statement is correct, assuming the default JUNOS software OSPF metric calculation？（）

A.TherearetwoequalcostpathsbetweenAandB

B.TheGElinkisthepreferredpathbetweenAandB

C.TheOC12clinkisthepreferredpathbetweenAandB

D.Manualmetricassignmentmustbeconfiguredtodeterminetheoutcome.

Refer to the exhibit. Two routers are connected by Frame Relay and are running OSPF bet ween them. Each router has been configured with the appropriate network statements under router ospf 1, but the routers are not forming an adjacency. Which of the following three commands could be configured on each router to correct this problem?（）

A. RouterC(config - if)#ip ospf network broadcast RouterD(config - if)#ip ospf network broadcast

B. RouterC(config - if)#ip ospf network point - to - point RouterD(config - if)#ip ospf network point - to - point

C. RouterC(config - router)#neighbor 10.100. 100.4 RouterD(config - router)#neighbor 10.100.100.3

D. RouterC(config - router)#neighbor 10.255.255.254 RouterD(config - router)#neighbor 10.255.255.253

Refer to the exhibit. Router B and router C are performing mutual redistribution between OSPF and EIGRP, and their default metrics are configured the same. Router D has equal cost paths to networks where both paths are not r eally equal cost. For example, network 172.16.54.0 shows equal cost through both router B and router C, though in reality the cost is greater using router C. Other routers, though not shown, are connected to the 172.16.54.0 and 172.16.55.0 networks, and the same issues exist to those routers and the networks connected to them. What can be done so that data will be routed along the most optimal path in the network? （）

A. Redistribute connected interfaces on router B and router C

B. Set the maximum nu mber of equal cost paths to1 in all routers

C. When redistributing EIGRP into OSPF, set the external metric type to type E1

D. Adjust the default metrics in router B and router C so that the values are different in each router

E. None of these solut ions will fix the problem. Migrate to a single dynamic routing protocol

You have amulti-area OSPF network and you’re concerned because one of the sites is having connectivity problem to resources in a different area. Which IOS privileged mode command would you enter to confirm that your network ：A.has a path to itsABR，B.has a path to itsASBR，and C.the SPF calculation is functional（）

A.show ip protocols

B.show running-config

C.show ip ospfneighbor

D.show ip ospfborder-routers

Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface?（）

A. ip ospf authentication null

B. ip ospf authentication message - digest

C. ip ospf authentication -key whatever- it - is

D. ip ospf message - digest - key 1 md5 whatever - it - is

E. ip ospf md5 1 key whatever - it - is

A.OSPFLSAtype5triggersanLSAtype7atanABRbetweenanNSSAandthebackbonearea

B.OSPFLSAtype1triggersanLSAtype3atanABR.

C.OSPFLSAtype7triggersanLSAtype5atanABRbetweenanNSSAandthebackbonearea

D.OSPFLSAtype3triggersanLSAtype4atanABR.

E.OSPFLSAtype5triggersanLSAtype7atanA5BRbutonlyinN5SAs

F.OSFPLSAtype2triggersanLSAtype3atanABR

You have implemented mutual route redistribution between OSPF and EIGRP on a border router. When checking the routing table on one o f the OSPF routers within the OSPF routing domain, you are seeing some, but not all of the expected routes.Which two things should you verify to troubleshoot this problem?（）

A. The border router is using a proper seed metric for OSPF

B. The border ro uter is using a proper seed metric for EIGRP

C. The administrative distance is set for OSPF and EIGRP

D. The missing EIGRP routes are present in the routing table of the border router

E. The subnet keyword on the border router in the redistribute EIG RP command

You have implemented mutua l route redistribution between OSPF and EIGRP on a border router. When checking the routing table on one of the EIGRP routers within the EIGRP routing domain, you are seeing some, but not all of the expected routes.What should you verify to troubleshoot this problem?（）

A. The border router is using a proper seed metric for OSPF

B. The border router is using a proper seed metric for EIGRP

C. The administrative distance is set for OSPF and EIGRP

D. The missing OSPF routes are present in the routing table of the border router

E. The subnet keyword on the border router in the redistribute OSPF command

Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1‘s Fa0/0 configuration.Which of the following is true regarding the results from this change?（）

A. The show ip ospf neighbor command on R1 lists the revised Hello timer

B. The show ip ospf interfac e brief command on R1 lists the revised Hello timer

C. The R1 - R2 neighborship fails due to Hello timer mismatcH

D. The show ip ospf interface command on R1 lists the revised Hello timer

A.It is locally significant.

B.It is globally significant.

C.It is needed to identify a unique instance of an OSPF database.

D.It is an optional parameter required only if multiple OSPF processes are running on the router.

E.All routers in the same OSPF area must have the same process ID if they are to exchange routing information.