Cisco Ccna Exam Questions

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

What is a PDU?

corruption of a frame during transmission
data reassembled at the destination
retransmitted packets due to lost communication
a layer specific encapsulation

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Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

VTY interface console interface Ethernet interface secret EXEC mode privileged EXEC mode router configuration mode
A router boots and enters setup mode. What is the reason for this?

The IOS image is corrupt. Cisco IOS is missing from flash memory. The configuration file is missing from NVRAM. The POST process has dete...
Which intermediary devices could be used to implement security between networks? (Choose two.)

router hub switch firewall access point bridge
Refer to the exhibit. How will packets destined to the 172.16.0.0 network be forwarded?

Router1 will perform recursive lookup and packet will exit S0/0. Router1 will perform recursive lookup and packet will exit S0/1. Ther...
Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency.

Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol...
After a web browser makes a request to a web server that is listening to the standard port, what will be the source port number in the TCP header of the response from the server?

13 53 80 1024 1728
Which three features allow TCP to reliably and accurately track the transmission of data from source to destination?

encapsulation flow control connectionless services session establishment numbering and sequencing best effort delivery
The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?

straight-through rollover cross-over serial
Refer to the exhibit. Which set of commands will configure static routes that will allow the WinterPark and the Altamonte routers to deliver packets from each LAN and direct all other traffic to the Internet?

WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1 Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2 Altamonte(c...
Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?

The destination networks do not exist. The IP addresses on the router interfaces must be configured as network addresses and not host a...

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