Cisco 200-125 CCNA Cisco Certified Network Associate CCNA (v3.0) Online Training
Cisco 200-125 Online Training
The questions for 200-125 were last updated at Sep 15,2025.
- Exam Code: 200-125
- Exam Name: CCNA Cisco Certified Network Associate CCNA (v3.0)
- Certification Provider: Cisco
- Latest update: Sep 15,2025
Which command can you enter to display duplicate IP addresses that the DHCP server assigns?
- A . show ip dhcp conflict 10.0.2.12
- B . show ip dhcp database 10.0.2.12
- C . show ip dhcp server statistics
- D . show ip dhcp binding 10.0.2.12
Refer to the topology shown in the exhibit.
Which ports will be STP designated ports if all the links are operating at the same bandwidth? (Choose three.)
- A . Switch A -Fa0/0
- B . Switch A -Fa0/1
- C . Switch B -Fa0/0
- D . Switch B -Fa0/1
- E . Switch C -Fa0/0
- F . Switch C -Fa0/1
The network administrator cannot to switch 1 over a telnet session, although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.
Given the information in the graphic and assuming that the router and switch2 are configured properly, which of the following commands should be issued on switch 1 to correct this problem?
- A . Switch1(config)# i nterface fa0 /1
Switch1(config-if)# ip address 192.168.24.3.255.255.255.0 - B . Switch1 (config)# interface fa0/1
Switch1 (config-if)# switchport mode trunk - C . Switch 1 (config)# i nterface fa0 /1
Switch1 (config-if)# duplex full
Switch1 (config-if)# speed 100 - D . Switch1 (config-if)# default-gateway 192.168.24.1
- E . Switch1 (config)# line con 0
Switch1(config-line)# password cisco
Switch1 (config-line)#login
Refer to the exhibit.
Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made.
Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three.)
- A . SwitchA, Fa0/2, designated
- B . SwitchA, Fa0/1, root
- C . SwitchB, Gi0/2, root
- D . SwitchB, Gi0/1, designated
- E . SwitchC, Fa0/2, root
- F . SwitchD, Gi0/2, root
Which feature builds a FIB and an adjacency table to expedite packet forwarding?
- A . cut through
- B . fast switching
- C . process switching
- D . Cisco Express Forwarding
Which command can you enter to verify that a 128-bit address is live and responding?
- A . traceroute
- B . telnet
- C . ping
- D . show ipv6
What are two reasons that duplex mismatches can be difficult to diagnose? (Choose two.)
- A . The interface displays a connected (up/up) state even when the duplex settings are mismatched.
- B . 1-Gbps interfaces are full-duplex by default.
- C . Full-duplex interfaces use CSMA/CD logic, so mismatches may be disguised by collisions.
- D . The symptoms of a duplex mismatch may be intermittent.
- E . Autonegotiation is disabled.
Which condition indicates that service password-encryption is enabled?
- A . The local username password is in clear text in the configuration.
- B . The enable secret is in clear text in the configuration
- C . The local username password is encrypted in the configuration.
- D . The enable secret is encrypted in the configuration.
Which protocol advertises a virtual IP address to facilitate transparent failover of a Cisco routing device?
- A . FHRP
- B . DHCP
- C . RSMLT
- D . ESRP
What is the correct routing match to reach 172.16.1.5/32?
- A . 172.16.1.0/26
- B . 172.16.1.0/25
- C . 172.16.1.0/24
- D . the default route
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