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 Nov 01,2025.
- Exam Code: 200-125
- Exam Name: CCNA Cisco Certified Network Associate CCNA (v3.0)
- Certification Provider: Cisco
- Latest update: Nov 01,2025
Which function of the IP SLAs ICMP jitter operation can you use to determine whether a VoIP issue is caused by excessive end-to-end time?
- A . packet loss
- B . jitter
- C . successive packet loss
- D . round-trip time latency
Refer to the exhibit.
Which of these statements correctly describes the state of the switch once the boot process has been completed?
- A . As FastEthernet0/12 will be the last to come up, it will not be blocked by STP.
- B . Remote access management of this switch will not be possible without configuration change.
- C . More VLANs will need to be created for this switch.
- D . The switch will need a different IOS code in order to support VLANs and STP.
Refer to the exhibit.
The network administrator normally establishes a telnet session with the switch from host A.However, host A is unavailable. The administrator′s attempt to the switch from host B fails, but pings to the other two hosts are successful.
What is the issue?
- A . Host B and the switch need to be in the same subnet.
- B . The switch needs and appropriate default gateway assigned.
- C . The switch interface connected to the router is down.
- D . Host B need to be assigned an IP address in vlan 1.
- E . The switch interfaces need the appropriate IP addresses assigned.
Which condition does the err-disabled status indicate on an Ethernet interface?
- A . There is a duplex mismatch.
- B . The device at the other end of the connection is powered off.
- C . The serial interface is disabled.
- D . The interface is configured with the shutdown command.
- E . Port security has disabled the interface.
- F . The interface is fully functioning.
Refer to the exhibit.
All of the routers in the network are configured with the ip subnet-zero command.
Which network addresses should be used for Link A and Network A? (Choose two.)
- A . Network A -172.16.3.48/26
- B . Network A -172.16.3.128/25
- C . Network A -172.16.3.192/26
- D . Link A -172.16.3.0/30
- E . Link A -172.16.3.40/30
- F . Link A -172.16.3.112/30
Which type of device can be replaced by the use of subinterfaces for VLAN routing?
- A . Layer 2 bridge
- B . Layer 2 switch
- C . Layer 3 switch
- D . router
Which statement about LLDP is true?
- A . It is a Cisco proprietary protocol
- B . It is configured in global configuration mode.
- C . The LLDP update frequency is a fixed value.
- D . It runs over the transport layer.
If all switches are configured with default values, which switch will take over when the primary root bridge experiences a power loss?
- A . switch 0040.0ВС0.90C5
- B . switch 00E0.F90B.6BE3
- C . switch 0004.9A1A.C182
- D . switch 00E0.F726.3DC6
A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked.
What command will display the required information?
- A . Router# show ip eigrp neighbors
- B . Router# show ip eigrp interfaces
- C . Router# show ip eigrp adjacency
- D . Router# show ip eigrp topology
Which three statements about IPv6 prefixes are true? (Choose three.)
- A . FEC0::/10 is used for IPv6 broadcast.
- B . FC00::/7 is used in private networks.
- C . FE80::/8 is used for link-local unicast.
- D . FE80::/10 is used for link-local unicast.
- E . 2001::1/127 is used for loopback addresses.
- F . FF00::/8 is used for IPv6 multicast.
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