Cisco Ccna Exam Questions

cisco certification 200-125 ccna exam preparation with practice questions and Answers

What is the function of the OSPF LSU packet?

used to confirm receipt of certain types of OSPF packets
used to establish and maintain adjacency with other OSPF routers
used to request more information about any entry in the BDR
used to announce new OSPF information and to reply to certain types of requests

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Refer to the exhibit. A company network engineer is assigned to establish connectivity between the two Ethernet networks so that hosts on the 10.1.1.0/24 subnet can contact hosts on the 10.1.2.0/24 subnet. The engineer has been told to use only static routing for these company routers. Which set of commands will establish connectivity between the two Ethernet networks?

R1(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.1 R2(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.2 R1(config)# ip route ...
How many host addresses may be assigned when using the 128.107.0.0 network address with a subnet mask of 255.255.248.0?

30 256 2046 2048
What command can be used to troubleshoot domain name resolution issues?

get arp -a tracert nslookup
how many computers can be hosted on a network with an address of 192.168.244.0/23?

510 1022 30
Refer to the exhibit. Which two layers of the OSI model describe the same functions as the transport and internet layers of the TCP/IP model? (Choose two.)

application layer presentation layer session layer
Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame?

It will drop the frame. It will send the frame back to host A.
show interface status Cisco command reference basic Cisco configuration

Command : show interfaces status Use In : Privileged EXEC Mode Cisco IOS Command show interfaces status use in switches to view cur...
Which option represents a point-to-point logical topology diagram?

Correct Answer Option 4
The routers in the diagram use the subnet assignments shown. What is the most efficient route summary that can be configured on Router3 to advertise the internal networks to the cloud?

192.1.1.0/26 and 192.1.1.64/27 192.1.1.128/25 192.1.1.0/23 and 192.1.1.64/23 192.1.1.0/24 192.1.1.0/25 192.1.1.0/24 and 192.1.1.64/2...
Refer to the exhibit. Host1 is in the process of setting up a TCP session with Host2. Host1 has sent a SYN message to begin session establishment. What happens next?

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