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Sample Questions - CCNA 4


Sample Question Pages CCNA CCNA 2 CCNA 3 CCNA 4	Question 1: Which command will prevent OSPF from sending updates out only serial0/0? R1# passive-interface s0/0 R1(config)# passive-interface s0/0 R1(config-router)# passive-interface s0/0 R1(config-if)# passive-interface s0/0 Question 2: Which multicast address does EIGRP use to send route updates? 224.0.0.10 244.0.0.10 224.0.0.5 224.0.0.6 225.0.0.6 255.255.255.255 Question 3: Which multicast address does OSPF use to send updates to DR and BDRs in a multi-access segment? 224.0.0.10 244.0.0.10 224.0.0.5 224.0.0.6 225.0.0.6 255.255.255.255 Question 4: Which OSPF multicast destination address do domain routers use to send route updates to DROther routers in a multi-access segment? 224.0.0.10 244.0.0.10 224.0.0.5 224.0.0.6 225.0.0.6 255.255.255.255 Question 5: Which of the following conditions must be agreed upon for OSPF routers to become neighbors? (choose 3) area ID authentication router IDs multicast addressing DR and BDR hello and dead intervals Question 6: Which of the following conditions must be agreed upon for EIGRP routers to become neighbors? (choose 3) common subnet AS numbers hello and dead intervals router IDs K values link bandwidth percent Question 7: Which of the following are valid OSPF adjacency states? (choose 3) init start exchange full done passive active Question 8: Where can you add summary routes on OSPF routers? (choose 2) Autonomous System Boundary Routers (ASBRs) Area Border Routers (ABRs) area 0 routers Designated Routers (DRs) Backup Designated Routers (BDRs) any OSPF router Question 9: Where can you add summary routes on EIGRP routers? only on Autonomous System Boundary Routers (ASBRs) only on Area Border Routers (ABRs) only on area 0 routers only on Designated Routers (DRs) only on Backup Designated Routers (BDRs) any EIGRP router Question 10: Which OSPF statement could be used for enabling OSPF on interfaces with IPs within only the 222.12.12.1/26 network? network 222.12.12.1 255.255.255.192 area 0 network 222.12.0.0 0.0.255.255 area 0 network 222.12.12.0 0.0.0.255 area 0 network 222.12.12.0 0.0.0.63 area 0 network 222.12.12.0 0.0.0.64 area 0 Question 11: Select the broadcast address for 192.168.43.19/28. 192.168.43.255 192.168.43.15 192.168.43.31 192.168.43.16 192.168.43.32 Question 12: Select the network ID for 192.168.43.19/28. 192.168.43.255 192.168.43.15 192.168.43.31 192.168.43.16 192.168.43.32 Question 13: Which VTP mode forwards VTP messages but will not act on or originate them? client server transparent Question 14: Which of the following commands have been entered on R1? (choose 2) Code: R1#show ip ospf interface fa0/0 FastEthernet0/0 is up, line protocol is up Internet Address 172.16.1.1/29, Area 0 Process ID 1, Router ID 10.10.10.10, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 2 Designated Router (ID) 10.10.10.10, Interface address 172.16.1.1 Backup Designated router (ID) 3.3.3.3, Interface address 172.16.1.3 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:03 Supports Link-local Signaling (LLS) Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 2.2.2.2 Adjacent with neighbor 3.3.3.3 (Backup Designated Router) Suppress hello for 0 neighbor(s) R1(config-if)# ip ospf hello-interval 10 R1(config-router)# router-id 10.10.10.10 R1(config-if)# ip ospf dead-interval 40 R1(config-if)# ip ospf priority 2 Question 15: What possible reason could you derive from seeing this output from the debug serial interface command? Code: R2#show ip interface br Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down Serial0/0 172.16.1.1 YES manual up down Code: R2(config-if)#do debug serial interface Mar 1 00:02:32.803: Illegal HDLC serial type code 49185, PC=0x604B0DB4 Mar 1 00:01:42.215: Serial0/0: HDLC myseq 1, mineseen 0, yourseen 0, line up Mar 1 00:01:52.219: Serial0/0: HDLC myseq 2, mineseen 0, yourseen 0, line down Mar 1 00:02:02.215: Serial0/0: HDLC myseq 3, mineseen 0, yourseen 0, line down Mar 1 00:02:12.215: Serial0/0: HDLC myseq 4, mineseen 0, yourseen 0, line down Mar 1 00:02:22.215: Serial0/0: HDLC myseq 5, mineseen 0, yourseen 0, line down *Mar 1 00:02:32.803: Illegal HDLC serial type code 49185, PC=0x604B0DB4 bad cable line physically down faulty hardware encapsulation mismatch

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Question 14:

Which of the following commands have been entered on R1? (choose 2)

Code:

								R1#show ip ospf interface fa0/0

								FastEthernet0/0 is up, line protocol is up

								Internet Address 172.16.1.1/29, Area 0

								Process ID 1, Router ID 10.10.10.10, Network Type BROADCAST, Cost: 10

								Transmit Delay is 1 sec, State DR, Priority 2

								Designated Router (ID) 10.10.10.10, Interface address 172.16.1.1

								Backup Designated router (ID) 3.3.3.3, Interface address 172.16.1.3

								Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

								oob-resync timeout 40

								Hello due in 00:00:03

								Supports Link-local Signaling (LLS)

								Index 2/2, flood queue length 0

								Next 0x0(0)/0x0(0)

								Last flood scan length is 1, maximum is 1

								Last flood scan time is 0 msec, maximum is 0 msec

								Neighbor Count is 2, Adjacent neighbor count is 2

								Adjacent with neighbor 2.2.2.2

								Adjacent with neighbor 3.3.3.3  (Backup Designated Router)

								Suppress hello for 0 neighbor(s)

R1(config-if)# ip ospf hello-interval 10
R1(config-router)# router-id 10.10.10.10
R1(config-if)# ip ospf dead-interval 40
R1(config-if)# ip ospf priority 2

Question 15:

What possible reason could you derive from seeing this output from the debug serial interface command?

Code:

								R2#show ip interface br

								Interface                  IP-Address      OK? Method Status                Protocol

								FastEthernet0/0            unassigned      YES unset  administratively down down

								Serial0/0                  172.16.1.1      YES manual up                    down

Code:

								R2(config-if)#do debug serial interface

								*Mar  1 00:02:32.803: Illegal HDLC serial type code 49185, PC=0x604B0DB4

								*Mar  1 00:01:42.215: Serial0/0: HDLC myseq 1, mineseen 0, yourseen 0, line up

								*Mar  1 00:01:52.219: Serial0/0: HDLC myseq 2, mineseen 0, yourseen 0, line down
         
								*Mar  1 00:02:02.215: Serial0/0: HDLC myseq 3, mineseen 0, yourseen 0, line down
         
								*Mar  1 00:02:12.215: Serial0/0: HDLC myseq 4, mineseen 0, yourseen 0, line down
        
								*Mar  1 00:02:22.215: Serial0/0: HDLC myseq 5, mineseen 0, yourseen 0, line down

								*Mar  1 00:02:32.803: Illegal HDLC serial type code 49185, PC=0x604B0DB4

bad cable
line physically down
faulty hardware
encapsulation mismatch

Sample Questions - CCNA 4

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