CCNA Cisco Certified Network Associate
Current CCNA Tracks before February 24th:
- CCNA Routing and Switching
- CCNA Cloud
- CCNA Collaboration
- CCNA Cyber Ops
- CCNA Data Center
- CCNA Industrial
- CCNA Security
- CCNA Service Provider
- CCNA Wireless
- CCDA Design
New CCNA Tracks from February 24th:
- CCNA
- Cisco Certified DevNet Associate (new)
The 10 current CCNA tracks will no longer be available from 24th February 2020. Way back in the day when Cisco was originally a routing and switching company, they released the CCNA certification which was the equivalent of today’s CCNA Routing and Switching. Whenever somebody mentions the ‘CCNA’ in general, they’re talking about the CCNA R&S.
Cisco went on to expand into other technology areas such as Security with devices like the PIX firewall (now the ASA) and Collaboration with products such as Cisco CallManager (now the Cisco Unified Communications Manager). The certification evolved to include the new technologies, with CCNA Security, CCNA Collaboration, etc. tracks being added, eventually culminating in the 10 tracks available now.
Having 10 different CCNA tracks can be confusing both for new network engineers wishing to get certified and also for employers. Another concern is that engineers working on real world Cisco networks are typically expected to have skills across multiple tracks, and the current certification program means they have to either study all the different tracks which would be very time consuming and expensive, or pick up knowledge on the job without structured study showing the right way to do things.
Cisco is addressing this by consolidating the 10 current tracks into a single CCNA certification which covers foundational level knowledge across all of them. Network automation and programmability is also included.
Cisco offer official 5 day classroom courses for each of the current tracks. The course material for the new CCNA exam hasn’t been released yet, but I expect it will also be a 5-day class (or maybe 10 days). Obviously you can’t fit 10 weeks of training into 1 or 2 weeks, so the more advanced material will be pushed up to the CCNP level exams.
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Free VCE & PDF File for Cisco 200-125 Dumps Real Exam Quetsions(1-24)
QUESTION 1
Which technology supports the stateless assignment of IPv6 addresses?
A. DNS
B. DHCPv6
C. DHCP
D. autoconfiguration
200-125 exam Correct Answer: BD
Explanation
QUESTION 2
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
Correct Answer: AB
Explanation
QUESTION 3
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
200-125 dumps Correct Answer: A
Explanation
QUESTION 4
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
Correct Answer: A
Explanation
QUESTION 5
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
200-125 pdf Correct Answer: ABC
Explanation
QUESTION 6
Which two statements about IPv6 and routing protocols are true? (Choose two.)
A. Link-local addresses are used to form routing adjacencies.
B. OSPFv3 was developed to support IPv6 routing.
C. EIGRP, OSPF, and BGP are the only routing protocols that support IPv6.
D. Loopback addresses are used to form routing adjacencies.
E. EIGRPv3 was developed to support IPv6 routing.
Correct Answer: AB
Explanation
QUESTION 7
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
200-125 vce Correct Answer: A
Explanation
QUESTION 8
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.
Correct Answer: AB
Explanation
QUESTION 9
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
200-125 exam Correct Answer: A
Explanation
QUESTION 10
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
Correct Answer: AB
Explanation
QUESTION 11
If a router has four interfaces and each interface is connected to four switches, how many broadcast domains are present on the router?
A. 1
B. 2
C. 4
D. 8
200-125 dumps Correct Answer: C
Explanation
QUESTION 12
Which command enables IPv6 forwarding on a Cisco router?
A. ipv6 local
B. ipv6 host
C. ipv6 unicast-routing
D. ipv6 neighbor
Correct Answer: C
Explanation
QUESTION 13
Refer to the exhibit. What is the most appropriate summarization for these routes?
A. 10.0.0.0 /21
B. 10.0.0.0 /22
C. 10.0.0.0 /23
D. 10.0.0.0 /24
200-125 pdf Correct Answer: B
Explanation
QUESTION 14
Which set of commands is recommended to prevent the use of a hub in the access layer?
A. switch(config-if)#switchport mode trunk
switch(config-if)#switchport port-security maximum 1
B. switch(config-if)#switchport mode trunk
switch(config-if)#switchport port-security mac-address 1
C. switch(config-if)#switchport mode access
switch(config-if)#switchport port-security maximum 1
D. switch(config-if)#switchport mode access
switch(config-if)#switchport port-security mac-address 1
Correct Answer: C
Explanation
QUESTION 15
A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?
A. the OSPF route
B. the EIGRP route
C. the RIPv2 route
D. all three routes
E. the OSPF and RIPv2 routes
200-125 vce Correct Answer: B
Explanation
QUESTION 16
Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.
Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity
A. incompatible IP address
B. insufficient bandwidth
C. incorrect subnet mask
D. incompatible encapsulation
E. link reliability too low
F. IPCP closed
Correct Answer: D
Explanation
QUESTION 17
A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?
A. Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# no shut
B. Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation ppp
Main(config-if)# no shut
C. Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation frame-relay
Main(config-if)# authentication chap
Main(config-if)# no shut
D. Main(config)# interface serial 0/0
Main(config-if)#ip address 172.16.1.1 255.255.255.252
Main(config-if)#encapsulation ietf
Main(config-if)# no shut
200-125 exam Correct Answer: B
Explanation
QUESTION 18
Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built in security mechanisms?
A. HDLC
B. PPP
C. X.25
D. Frame Relay
Correct Answer: B
Explanation
QUESTION 19
Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.)
A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
B. Ensure that cables A and B are straight-through cables.
C. Ensure cable A is plugged into a trunk port.
D. Ensure the switch has power.
E. Reboot all of the devices.
F. Reseat all cables.
200-125 dumps Correct Answer: BDF
Explanation
QUESTION 20
A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link.
The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?
A. The OSPF area is not configured properly.
B. The priority on R1 should be set higher.
C. The cost on R1 should be set higher.
D. The hello and dead timers are not configured properly.
E. A backup designated router needs to be added to the network.
F. The OSPF process ID numbers must match.
Correct Answer: D
Explanation
QUESTION 21
What will happen if a private IP address is assigned to a public interface connected to an ISP?
A. Addresses in a private range will be not be routed on the Internet backbone.
B. Only the ISP router will have the capability to access the public network.
C. The NAT process will be used to translate this address to a valid IP address.
D. A conflict of IP addresses happens, because other public routers can use the same range.
200-125 pdf Correct Answer: A
Explanation
QUESTION 22
Refer to the exhibit. The Bigtime router is unable to authenticate to the Littletime router. What is the cause of the problem?
A. The usernames are incorrectly configured on the two routers.
B. The passwords do not match on the two routers.
C. CHAP authentication cannot be used on a serial interface.
D. The routers cannot be connected from interface S0/0 to interface S0/0.
E. With CHAP authentication, one router must authenticate to another router. The routers cannot be configured to authenticate to each other.
Correct Answer: B
Explanation
QUESTION 23
What will be the result if the following configuration commands are implemented on a Cisco switch?
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security mac-address sticky
A. A dynamically learned MAC address is saved in the startup-configuration file.
B. A dynamically learned MAC address is saved in the running-configuration file.
C. A dynamically learned MAC address is saved in the VLAN database.
D. Statically configured MAC addresses are saved in the startup-configuration file if frames from that address are received.
E. Statically configured MAC addresses are saved in the running-configuration file if frames from that address are received.
200-125 vce Correct Answer: B
Explanation
QUESTION 24
Refer to the exhibit. The following commands are executed on interface fa0/1 of 2950Switch.
2950Switch(config-if)# switchport port-security
2950Switch(config-if)# switchport port-security mac-address sticky 2950Switch(config-if)# switchport port security maximum 1
The Ethernet frame that is shown arrives on interface fa0/1. What two functions will occur when this frame is received by 2950Switch? (Choose two.)
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