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After 11.1. Last modified 12-2-10. What type of OSPF packets are used to establish neighbor adjacencies?. Hello DBD LSR LSU LSAck. 1 of 4. How often are OSPF hello packets sent on point-to-point serial links by default?. 5 seconds 10 seconds 15 seconds 30 seconds Something else.

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After 11 1

After 11.1

Last modified 12-2-10


What type of ospf packets are used to establish neighbor adjacencies

What type of OSPF packets are used to establish neighbor adjacencies?

  • Hello

  • DBD

  • LSR

  • LSU

  • LSAck

1 of 4


How often are ospf hello packets sent on point to point serial links by default

How often are OSPF hello packets sent on point-to-point serial links by default?

  • 5 seconds

  • 10 seconds

  • 15 seconds

  • 30 seconds

  • Something else

2 of 4


After 11 1

A router has three possible routes to the same internal network: one from RIP, one from OSPF, and one from EIGRP. All ADs are at default values. Which one will be placed into the routing table?

  • RIP

  • OSPF

  • EIGRP

  • More than one route will be placed into the routing table

  • None of the above

3 of 4


How many of these values must match for routers to form an ospf adjacency

How many of these values must match for routers to form an OSPF adjacency?

  • Hello interval

  • Router ID

  • Dead interval

  • Hold-down interval

  • DR

  • None

  • 1

  • 2

  • 3

  • Some other number

4 of 4


After 11 2

After 11.2


Which commands correctly configure this router

Which commands correctly configure this router?

  • router ospf 1net 172.16.1.0net 10.0.0.0

  • router ospf 0net 172.16.1.0 0.0.0.255 area 0net 10.0.0.0 0.0.0.3 area 0

  • router ospf 1net 172.16.1.0 0.0.0.255 area 0net 10.0.0.0 0.0.0.3 area 0

  • router ospf 1net 172.16.1.0 0.0.0.255 area 2net 10.0.0.0 0.0.0.3 area 3

  • More than one of the above


Which commands correctly configure r1 if r2 and r3 are configured to use ospf process id 2 area 0

Which commands correctly configure R1, if R2 and R3 are configured to use OSPF process-id 2, area 0?

  • router ospf 2net 172.16.1.0 0.0.0.255 area 0net 10.0.0.0 0.0.0.3 area 0

  • router ospf 1net 172.16.1.0 0.0.0.255 area 0net 10.0.0.0 0.0.0.3 area 0

  • router ospf 1net 172.16.1.0 0.0.0.255 area 2net 10.0.0.0 0.0.0.3 area 2

  • More than one of the above

  • None of the above


Which commands correctly configure r1 if r2 and r3 are configured to use ospf process id 2 area 01

Which commands correctly configure R1, if R2 and R3 are configured to use OSPF process-id 2, area 0?

  • router ospf 2net 172.16.1.0 0.0.0.255 area 0net 10.1.1.0 0.0.0.3 area 0net 10.2.2.0 0.0.0.3 area 0

  • router ospf 1net 172.16.1.0 0.0.0.255 area 0net 10.1.1.0 0.0.0.3 area 0net 10.3.3.0 0.0.0.3 area 0

  • router ospf 1net 172.16.1.0 0.0.0.255 area 2net 10.1.1.0 0.0.0.3 area 2net 10.3.3.0 0.0.0.3 area 2

  • More than one of the above

  • None of the above


No router id command has been used what is this router s ospf router id

No router-id command has been used. What is this router's OSPF Router ID?

  • 172.16.1.1

  • 10.1.1.1

  • 10.3.3.1

  • Something else

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 172.16.1.1 YES manual up up

Serial0/0/0 10.1.1.1 YES manual down down

Serial0/0/1 10.3.3.1 YES manual down down


No router id command has been used what is this router s ospf router id1

No router-id command has been used. What is this router's OSPF Router ID?

  • 172.16.1.1

  • 10.1.1.1

  • 10.3.3.1

  • Something else

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 172.16.1.1 YES manual administratively down down

Serial0/0/0 10.1.1.1 YES manual up up

Serial0/0/1 10.3.3.1 YES manual up up


No router id command has been used what is this router s ospf router id2

No router-id command has been used. What is this router's OSPF Router ID?

  • 172.16.1.1

  • 10.1.1.1

  • 10.3.3.1

  • 2.67.200.1

  • Something else

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 172.16.1.1 YES manual administratively down down

Serial0/0/0 10.1.1.1 YES manual up up

Serial0/0/1 10.3.3.1 YES manual up up

Loopback1 2.67.200.1 YES manual up up


After 11 3

After 11.3


You have serial links of varying speeds when should you use the bandwidth command

You have serial links of varying speeds. When should you use the bandwidth command?

  • To properly route traffic with EIGRP

  • To properly route traffic with OSPF

  • To properly route traffic with RIPv2

  • More than one of the above

  • None of the above

1 of 2


When should you use the ip ospf cost command instead of the bandwidth command

When should you use the ipospf cost command instead of the bandwidth command?

  • For serial links slower than 1.544 Mbps

  • To properly route with OSPF

  • To properly route with non-Cisco routers

  • More than one of the above

  • None of the above

2 of 2


After 11 4

After 11.4


What type of links are used in this network

What type of links are used in this network?

  • Point-to-point

  • Broadcast Multiaccess

  • NonbroadcastMultiaccess (NBMA)

  • Point-to-multipoint

  • Virtual links


What is the dr in this ospf network

What is the DR in this OSPF network?

  • R1 is the DR

  • R2 is the DR

  • R3 is the DR

  • There is no DR

  • The answer cannot be determined


After 11 1

A link on R1 changes state on this OSPF network, and sends out an LSU. How many copies of that LSU does R4 receive?

  • None

  • 1

  • 2

  • 3

  • Some other number


How many of these values affect dr choice in an ospf election

How many of these values affect DR choice in an OSPF election?

  • OSPF interface priority

  • Bandwidth

  • Delay

  • Router ID

  • 0

  • 1

  • 2

  • 3

  • Some other number


This network uses ospf how many of these routers are drothers

This network uses OSPF. How many of these routers are DROthers?

  • None

  • 1

  • 2

  • 3

  • Some other number


After 11 5

After 11.5


How many of these values are used to calculate the ospf metric

How many of these values are used to calculate the OSPF metric?

  • Bandwidth

  • Delay

  • Reliability

  • Load

  • 0

  • 1

  • 2

  • 3

  • 4

1 of 3


Which adjustment can make ospf converge faster but will create more network traffic

Which adjustment can make OSPF converge faster, but will create more network traffic?

  • Change reference bandwidth

  • Redistribute default route

  • Modify intervals

  • Use multiple areas

  • Assign costs manually

2 of 3


Which adjustment is needed to properly route networks with gigabit links

Which adjustment is needed to properly route networks with gigabit links?

  • Change reference bandwidth

  • Redistribute default route

  • Modify intervals

  • Use multiple areas

  • Assign costs manually

3 of 3


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