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
What parameter can be different on ports within an EtherChannel?
- A . speed
- B . DTP negotiation settings
- C . trunk encapsulation
- D . duplex
Which two statements about IPv6 router advertisement messages are true? (Choose two.)
- A . They use ICMPv6 type 134.
- B . The advertised prefix length must be 64 bits.
- C . The advertised prefix length must be 48 bits.
- D . They are sourced from the configured IPv6 interface address.
- E . Their destination is always the link-local address of the neighboring node.
Which spanning-tree protocol rides on top of another spanning-tree protocol?
- A . MSTP
- B . RSTP
- C . PVST+
- D . Mono Spanning Tree
A network administrator needs to configure port security on a switch.
Which two statements are true? (choose two)
- A . The network administrator can apply port security to dynamic access ports
- B . The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
- C . The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
- D . The network administrator can apply port security to EtherChannels.
- E . When dynamic mac address learning is enabled on an interface, the switch can learn new addresses, up to the maximum defined.
Which switching method duplicates the first six bytes of a frame before making a switching decision?
- A . fragment-free switching
- B . store and-forward switching
- C . cut through switching
- D . ASIC switching
Which logging command can enable administrators to correlate syslog messages with millisecond precision?
- A . no logging console
- B . logging buffered 4
- C . no logging monitor
- D . service timestamps log datetime msec
- E . logging host 10.2.0.21
Which three statements about link-state routing are true? (Choose three.)
- A . Routes are updated when a change in topology occurs.
- B . Updates are sent to a multicast address by default.
- C . OSPF is a link-state protocol.
- D . Updates are sent to a broadcast address.
- E . RIP is a link-state protocol
- F . It uses split horizon.
Which command can you enter to determine whether a switch is operating in trunking mode?
- A . show ip interface brief
- B . show vlan
- C . show interfaces
- D . show interface switchport
Which command can you enter to view the ports that are assigned to VLAN 20?
- A . Switch#show vlan id 20
- B . Switch#show ip interface brief
- C . Switch#show interface vlan 20
- D . Switch#show ip interface vlan 20
In which two formats can the IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B be written? (Choose two.)
- A . fd15:0db8:0000:0000:700:3:400F:572B
- B . fd15::db8::700:3:400F:572B
- C . fd15:db8:0::700:3:4F:572B
- D . fd15:0db8::7:3:4F:572B
- E . fd15:db8::700:3:400F:572B
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