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 14,2025.
- Exam Code: 200-125
- Exam Name: CCNA Cisco Certified Network Associate CCNA (v3.0)
- Certification Provider: Cisco
- Latest update: Sep 14,2025
Which technology supports the stateless assignment of IPv6 addresses? (Choose two.)
- A . DNS
- B . DHCPv6
- C . DHCP
- D . autoconfiguration
After you configure the Loopback0 interface, which command can you enter to verify the status of the interface and determine whether fast switching is enabled?
- A . Router#show ip interface loopback 0
- B . Router#show run
- C . Router#show interface loopback 0
- D . Router#show ip interface brief
What are two requirements for an HSRP group? (Choose two.)
- A . exactly one active router
- B . one or more standby routers
- C . one or more backup virtual routers
- D . exactly one standby active router
- E . exactly one backup virtual router
Which command sequence can you enter to create VLAN 20 and assign it to an interface on a switch?
- A . Switch (config)#vlan 20
Switch (config)#Interface gig x/y
Switch (config-if)#switchport access vlan 20 - B . Switch (config)#Interface gig x/y
Switch (config-if)#vlan 20
Switch (config-vlan)#switchport access vlan 20 - C . Switch (config)#vlan 20
Switch (config)#Interface vlan 20
Switch (config-if)#switchport trunk native vlan 20 - D . Switch (config)#vlan 20
Switch (config)#Interface vlan 20
Switch (config-if)#switchport access vlan 20 - E . Switch (config)#vlan 20
Switch (config)#Interface vlan 20
Switch (config-if)#switchport trunk allowed vlan 20
Which three commands can you use to set a router boot image? (Choose three.)
- A . Router(config)# boot system flash c4500-p-mz.121-20.bin
- B . Router(config)# boot system tftp c7300-js-mz.122-33.SB8a.bin
- C . Router(config)#boot system rom c7301-advipservicesk9-mz.124-24.T4.bin
- D . Router> boot flash:c180x-adventerprisek9-mz-124-6T.bin
- E . Router(config)#boot flash:c180x-adventerprisek9-mz-124-6T.bin
- F . Router(config)#boot bootldr bootflash:c4500-jk9s-mz.122-23f.bin
Which two statements about IPv6 and routing protocols are true? (Choose two.)
- A . EIGRPv3 was developed to support IPv6 routing.
- B . OSPFv3 was developed to support IPv6 routing.
- C . Loopback addresses are used to form routing adjacencies.
- D . EIGRP, OSPF, and BGP are the only routing protocols that support IPv6.
- E . Link-local addresses are used to form routing adjacencies.
If primary and secondary root switches with priority 16384 both experience catastrophic losses, which tertiary switch can take over?
- A . a switch with priority 20480
- B . a switch with priority 8192
- C . a switch with priority 4096
- D . a switch with priority 12288
Which two statements about late collisions are true? (Choose two.)
- A . They may indicate a duplex mismatch.
- B . By definition, they occur after the 512th bit of the frame has been transmitted.
- C . They indicate received frames that did not pass the FCS match.
- D . They are frames that exceed 1518 bytes.
- E . They occur when CRC errors and interference occur on the cable.
Which command can you enter to set the default route for all traffic to an interface?
- A . router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1
- B . router(config)#ip route 0.0.0.0 255.255.255.255 GigabitEthernet0/1
- C . router(config-router)#default-information originate
- D . router(config-router)#default-information originate always
Which two spanning-tree port states does RSTP combine to allow faster convergence? (Choose two.)
- A . blocking
- B . listening
- C . learning
- D . forwarding
- E . discarding
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