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Category: 642-902 (v.1)

Exam 642-902: Implementing Cisco IP Routing (update November 14th, 2013)

Which statement is correct about router C? RouterC#show ip interface brief Interface IP-Address OK?

Refer to the exhibit. Router C was configured so that it could form an adjacency with three
OSPF neighbors, one connected to each of its three physical interfaces. Which statement is
correct about router C?
RouterC#show ip interface brief
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 10.1.0.1 YES NVRAM up up
Serial0/0 10.255.255.253 YES NVRAM up up
Ethernet0/1 10.2.0.1 YES NVRAM up up
Loopback0 10.100.100.3 YES NVRAM up up
RouterC#
RouterC#show ip ospf
Routing Process “ospf 1” with ID 10.100.100.3
Supports onlu single TOS(TOS0) routes
Supports opage LSA
It is an area border router
SPF schedule delay 5 secs, Hold time between two SPF’s 10 secs
Minimum LSA interval 5 secs. Minimum LSA arrival 1secs
Number of external LSA 0. Checksume Sum 0x00000
Number of opaque AS LSA 0. Checksume Sum 0x00000
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opague AS LSA 0
Number of areas in this router is 2. 1 normal 1 stub 0 nssa
External flood list length 0
Area BACKBONE(0)
Number of interfaces in this area is 3
Area has no authentication
SPF algorithm executed 10 times
Area ramges are
Number of LSA 14. Checksume Sum 0x053D21
Number of opaque link LSA 0. Checksume Sum 0x00000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
Area 4
Number of interfaces in this area is 1
It is a stub area, no summary LSA in this area
gemerates stub default route with cost 1
Area has no authentication
SPF algorithm executed 9 times
Area ramges are
Number of LSA 4. Checksume Sum 0x01F200
Number of opaque link LSA 0. Checksume Sum 0x00000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0

Which of the following three commands could be configured on each router to correct this problem?

Refer to the exhibit. Two routers are connected by Frame Relay and are running OSPF
between 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? (Choose three.)

What can you conclude about router A?

OSPF is enabled on router A. You execute the following command on router A and receive
the accompanying output:
RouterA#ping 224.0.0.5 repeat 1
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:
Reply to request 0 from 10.100.100.1, 4 ms
10.100.100.1 is the IP address of a loopback interface on router A. What can you conclude
about router A? Select the best response.

What can you conclude from the exhibit and the showrunning-configuration command output?

Refer to the exhibits. You are verifying your OSPF implementation, and it does not seem to
be functioning properly.
What can you conclude from the exhibit and the showrunning-configuration command
output?

RouterA#
~~~~~
!
router ospf 1
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 1
network 172.16.1.0 0.0.0.255 area 1
!
~~~~~
RouterB#
~~~~~
router ospf 1
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 2
network 172.16.2.0 0.0.0.255 area 2
!
~~~~~
RouterC#
~~~~~
!
router ospf 1
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 0
!
~~~~~

What is the probable cause of the problem?

Refer to the exhibits. Router B should advertise the network connected to the E0/0/0
interface to router A and block all other network advertisements. The IP routing table on
router A indicates that it is not receiving this prefix from router B.
What is the probable cause of the problem? Select the best response.

RouterB#show ip eigrp neighbors
IP-EIUGRP neighbors for process 1
H Address Interface Hold Uptime SRTTRTO Q Seq Type
(sec) (ms)Cnt Num
0 10.255.1.1 Se0/0 138 00:15:26 26582 0 3
RouterB#
RouterB#debug ip eigrp
IP-EIUGRP Route Events debugging is on
02:17:54: IP-EIUGRP: 192.168.3.16/28 – denied by distribute list
02:17:54: IP-EIUGRP: 192.168.3.32/28 – denied by distribute list
02:17:54: IP-EIUGRP: 10.255.1.0/30 – denied by distribute list
02:17:54: IP-EIUGRP: 192.168.3.0/24 – denied by distribute list
02:17:54: IP-EIUGRP: 10.0.0.0/8 – denied by distribute list

What information can you determine about this network?

After implementing EIGRP on your network, you issuethe show ip eigrp traffic command on
router C. The following output is shown:
RouterC#show ip eigrp traffic
IP-EIGRP Traffic Statistics for process 1
Hellos sent/received: 2112/2076
Updates sent/received: 47/38
Queries sent/received: 5/3
Replies sent/received: 3/4
Acks sent/received: 29/33
Input queue high water mark 2, 0 drops
SIA-Queries sent/received: 0/0
SIA-Replies sent/received: 0/0
Moments later, you issue the same command a second time and the following output is
shown:
RouterC#show ip eigrp traffic
IP-EIGRP Traffic Statistics for process 1
Hellos sent/received: 2139/2104
Updates sent/received: 50/39
Queries sent/received: 5/4
Replies sent/received: 4/4
Acks sent/received: 31/37
Input queue high water mark 2, 0 drops
SIA-Queries sent/received: 0/0
SIA-Replies sent/received: 0/0
Moments later, you issue the same command a third time and the following output is
shown:
RouterC#show ip eigrp traffic
IP-EIGRP Traffic Statistics for process 1
Hellos sent/received: 2162/2126
Updates sent/received: 53/42
Queries sent/received: 5/5
Replies sent/received: 5/4
Acks sent/received: 35/41
Input queue high water mark 2, 0 drops
SIA-Queries sent/received: 0/0
SIA-Replies sent/received: 0/0
What information can you determine about this network? Select the best response.


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