After modifying the router ID on an OSPF router, what is the preferred method to make the new router ID effective? HQ# copy running-config startup-config HQ# clear ip ospf process…
Match the description to the term. (Not all options are used.) Answers Explanation & Hints: DUAL is the algorithm used by EIGRP. In multiarea OSPF, OSPF is implemented using multiple…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 128.107.0.0 255.255.255.192. What wildcard mask would the administrator use in the OSPF…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 64.100.0.0 255.255.255.0. What wildcard mask would the administrator use in the OSPF…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 198.19.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.181.0 255.255.254.0. What wildcard mask would the administrator use in the OSPF…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.223.0 255.255.254.0. What wildcard mask would the administrator use in the OSPF…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 128.107.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 64.102.0.0 255.255.255.128. What wildcard mask would the administrator use in the OSPF…
Which step in the link-state routing process is described by a router sending Hello packets out all of the OSPF-enabled interfaces? establishing neighbor adjacencies exchanging link-state advertisements electing the designated…
Which step in the link-state routing process is described by a router inserting best paths into the routing table? choosing the best route executing the SPF algorithm load balancing equal-cost…
Refer to the exhibit. Which command did an administrator issue to produce this output? R1# show ip ospf R1# show ip ospf neighbor R1# show ip ospf interface serial0/0/1 R1#…
Refer to the exhibit. On which router or routers would a default route be statically configured in a corporate environment that uses single area OSPF as the routing protocol? ISP…
By default, what is the OSPF cost for any link with a bandwidth of 100 Mb/s or greater? 1 100 10000 100000000 Answers Explanation & Hints: OSPF uses the formula:…
Refer to the exhibit. Suppose that routers B, C, and D have a default priority, and router A has a priority 0. Which conclusion can be drawn from the DR/BDR…
Which command will a network engineer issue to verify the configured hello and dead timer intervals on a point-to-point WAN link between two routers that are running OSPFv2? show ip…
What are the two purposes of an OSPF router ID? (Choose two.) to facilitate the establishment of network convergence to uniquely identify the router within the OSPF domain to facilitate…
When an OSPF network is converged and no network topology change has been detected by a router, how often will LSU packets be sent to neighboring routers? every 5 minutes…
In an OSPF network when are DR and BDR elections required? when all the routers in an OSPF area cannot form adjacencies when the two adjacent neighbors are in two…
Which three OSPF states are involved when two routers are forming an adjacency? (Choose three.) Init Down ExStart Loading Two-way Exchange Answers Explanation & Hints: OSPF operation progresses through 7…