200-125 Practice Questions Free – 50 Exam-Style Questions to Sharpen Your Skills
Are you preparing for the 200-125 certification exam? Kickstart your success with our 200-125 Practice Questions Free – a carefully selected set of 50 real exam-style questions to help you test your knowledge and identify areas for improvement.
Practicing with 200-125 practice questions free gives you a powerful edge by allowing you to:
- Understand the exam structure and question formats
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- Build the confidence you need for test day success
Below, you will find 50 free 200-125 practice questions designed to match the real exam in both difficulty and topic coverage. They’re ideal for self-assessment or final review. You can click on each Question to explore the details.
Refer to the exhibit.A network administrator attempts to ping Host2 from Host1 and receives the results that are shown. What is a possible problem?
A. The link between Host1 and Switch1 is down.
B. Interface Fa0/0 Router1 is shutdown.
C. TCP/IP is not functioning on Host1.
D. The link between Router1 and Router2 is down.
E. The link between Switch1 and Router1 is down.
F. The default gateway on Host1 is incorrect.
Refer to the exhibit.Which three ports will be STP designated ports if all the links are operating at the same bandwidth? (Choose three.)
A. Switch B – Fа0/0
B. Switch A – Fa0/1
C. Switch Ð’ – Fa0/l
D. Switch С – Fа0/1
E. Switch A – Fa0/0
F. Switch С – Fa0/0
Refer to the exhibit.In the Frame Relay network, which IP addresses would be assigned to the interfaces with point-to- point PVCs?
A. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.10.1 /24 DLCI 99: 192.168.10.2 /24 DLCI 28: 192.168.10.3 /24
B. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.11.1 /24 DLCI 99: 192.168.12.1 /24 DLCI 28: 192.168.13.1 /24
C. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.11.1 /24 DLCI 99: 192.168.10.2 /24 DLCI 28: 192.168.11.2 /24
D. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.10.2 /24 DLCI 99: 192.168.10.3 /24
How many bits are contained in each field of an IPv6 address?
A. 24
B. 4
C. 8
D. 16
Which three statements about DWDM are true? (Choose three)
A. It allows a single strand of fiber to support bidirectional communications
B. It is used for long-distance and submarine cable systems
C. It can multiplex up to 256 channels on a single fiber
D. It supports both the SDH and SONET standards
E. Each channel can carry up to a 1-Gbps signal
F. It supports simplex communications over multiple strands of fiber
What can be done to secure the virtual terminal interfaces on a router? (Choose two.)
A. Administratively shut down the interface.
B. Physically secure the interface.
C. Create an access list and apply to the virtual terminal interfaces with the access-group command.
D. Configure a virtual terminal password and login process.
E. Enter an access list and apply it to the virtual terminal interfaces using the access-class command.
Which of these represents an IPv6 link-local address?
A. FE08::280e:611:a:f14f:3d69
B. FE81::280f:512b:e14f:3d69
C. FE80::380e:611a:e14f:3d69
D. FEFE:0345:5f1b::e14d:3d69
On a corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?
A. a router with subinterfaces configured on the physical interface that is connected to the switch
B. a router with an IP address on the physical interface connected to the switch
C. a switch with an access link that is configured between the switches
D. a switch with a trunk link that is configured between the switches
When you are troubleshooting an ACL issue on a router, which command can help you to verify which interfaces are affected by the ACL?
A. show access-lists
B. show interface
C. show ip interface
D. show ip access-lists
E. list ip interface
Which two steps must you perform on each device that is configured for IPv4 routing before you implement OSPFv3? (Choose two)
A. configure an autonomous system number
B. configure a loopback interface
C. configure a router ID
D. Enable IPv6 on an interface
E. Enable IPv6 unicast routing
Which term describes a spanning-tree network that has all switch ports in either the blocking or fowarding state?
A. converged
B. redundant
C. provisioned
D. spanned
Which command should you enter to verify the priority of a router in an HSRP group?
A. show standby
B. show interfaces
C. show sessions
D. show hsrp
Which two statements about RIPv2 are true? (Choose two.)
A. It does not support clear text authentication, similar to RIPv1
B. It supports CIDR and VLSM
C. It stores RIP neighbor adjacency information in a neighbor table
D. It uses the Bellman-Ford routing algorithm
E. It sends periodic updates via broadcast
What are two recommended ways of protecting network device configuration files from outside network security threats? (Choose two.)
A. Allow unrestricted access to the console or VTY ports.
B. Use a firewall to restrict access from the outside to the network devices.
C. Always use Telnet to access the device command line because its data is automatically encrypted.
D. Use SSH or another encrypted and authenticated transport to access device configurations.
E. Prevent the loss of passwords by disabling password encryption.
Which two VLAN IDs indicate a default VLAN? (Choose two.)
A. 0
B. 1
C. 1005
D. 1006
E. 4096
Which two statements about the ip subnet-zero command are true? (Choose two.)
A. It specifies the broadcast IP addresses in the subnet.
B. It enables the network to make full use of the available IP address space.
C. It is enabled by default on Cisco routers.
D. It must be configured each time you reboot a router.
E. It must be configured before you activate NAT on a router.
A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? (Choose two.)
A. 255.255.255.0
B. 255.255.255.128
C. 255.255.252.0
D. 255.255.255.224
E. 255.255.255.192
F. 255.255.248.0
The Company WAN is migrating from RIPv1 to RIPv2. Which three statements are correct about RIP version 2? (Choose three.)
A. It has the same maximum hop count as version 1.
B. It uses broadcasts for its routing updates.
C. It is a classless routing protocol.
D. It has a lower default administrative distance than RIP version 1.
E. It supports authentication.
F. It does not send the subnet mask in updates.
Which two statements about static routing are true? (Choose two.)
A. It provides only limited security unless the administrator performs additional configuration
B. It allows packets to transit a different path if the topology changes
C. Its initial implementation is more complex than OSPF
D. Its default administrative distance is lower than EIGRP
E. It allows the administrator to determine the entire path of a packet
Which two best practices protect your network from VLAN hopping attacks? (Choose two.)
A. Configure an ACL to prevent traffic from changing VLANs.
B. Configure port security.
C. Assign all access ports to VLANs other than the native VLAN.
D. Configure dynamic ARP inspection.
E. Change the native VLAN to an unused VLAN ID.
Which command do use we to see SNMP version
A. show snmp pending
B. show snmp engineID
C. show snmp-server
D. show snmp version
Which layer of the TCP/IP model manages the transmission of binary digits across an Ethernet cable?
A. network
B. physical
C. data link
D. transport
The network administrator cannot connect to Switch1 over a Telnet session, although the hosts attached to Switch1 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 Switch1 to correct this problem?
A. Switch1(config)# line con0 Switch1(config-line)# password cisco Switch1(config-line)#login
B. Switch1(config)# interface fa0/1 Switch1(config-if)# ip address 192.168.24.3 255.255.255.0
C. Switch1(config)# ip default-gateway 192.168.24.1
D. Switch1(config)# interface fa0/1 Switch1(config-if)# duplex full Switch1(config-if)# speed 100
E. Switch1(config)# interface fa0/1
Which task should you perform before you use the APIC-EM Path Trace tool to perform ACL analysis?
A. Configure the IP address from which to generate the trace.
B. Execute a standard traceroute to the destination.
C. Verify that DNS is configured on the controller.
D. Verify that the devices of interest are included in the device inventory.
What is the binary pattern of unique ipv6 unique local address?
A. 00000000
B. 11111100
C. 11111111
D. 11111101
Refer to the exhibit.The two exhibited devices are the only Cisco devices on the network. The serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statements are true of these devices? (Choose three.)
A. The Manchester serial address is 10.1.1.1.
B. The Manchester serial address is 10.1.1.2.
C. The London router is a Cisco 2610.
D. The Manchester router is a Cisco 2610.
E. The CDP information was received on port Serial0/0 of the Manchester router.
F. The CDP information was sent by port Serial0/0 of the London router.
You are a junior network engineer for a financial company, and the main office network is experiencing network issues. Troubleshoot the network issues. Router R1 connects the main office to the Internet, and routers R2 and R3 are internal routers. NAT is enabled on router R1. The routing protocol that is enabled between routers R1, R2 and R3 is RIPv2. R1 sends the default route into RIPv2 for the internal routers to forward Internet traffic to R1. You have console access on R1, R2 and R3 devices. Use only show commands to troubleshoot the issues.Examine the DCHP configuration between R2 and R3, R2 is configured as the DHCP server and R3 as the client. What is the reason R3 is not receiving the IP address via DHCP?
A. On R2, the network statement in the DHCP pool configuration is incorrectly configured.
B. On R3, DHCP is not enabled on the interface that is connected to R2.
C. On R2, the interface that is connected to R3 is in shutdown condition.
D. On R3, the interface that is connected to R2 is in shutdown condition.
Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?
A. data link layer
B. application layer
C. access layer
D. session layer
E. network layer
Refer to the exhibit. If RTR01 is configured as shown, which three addresses will be received by other routers that are running EIGRP on the network?
A. 172.16.4.0
B. 192.168.2.0
C. 10.0.0.0
D. 192.168.0.0
E. 172.16.0.0
F. 10.4.3.0
What levels will be trapped if the administrator executes the command router(cfg)# logging trap 4
A. Emergency
B. Notice
C. Alert
D. Error
E. Warning
Refer to the exhibit.A network administrator attempts to ping Host2 from Host1 and receives the results that are shown. What is a possible problem?
A. The link between Host1 and Switch1 is down.
B. Interface Fa0/0 Router1 is shutdown.
C. TCP/IP is not functioning on Host1.
D. The link between Router1 and Router2 is down.
E. The link between Switch1 and Router1 is down.
F. The default gateway on Host1 is incorrect.
A switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?
A. The additions will create more collisions domains.
B. An additional broadcast domain will be created.
C. More bandwidth will be required than was needed previously.
D. IP address utilization will be more efficient.
On which type of port can switches interconnect for multi-VLAN communication?
A. trunk port
B. interface port
C. access port
D. switch port
What is a possible reason why a host is able to ping a web server but it is not able to do an HTTP request?
A. ACL blocking port 23
B. ACL blocking All ports
C. ACL blocking port 80
D. ACL blocking port 443
E. None of the above
Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?
A. data link layer
B. application layer
C. access layer
D. session layer
E. network layer
What is the alternative notation for the IPv6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?
A. B514:82C3:0029::EC7A:0000:EC72
B. B514:82C3:0029:EC7A:EC72
C. B514:82C3::0029:EC7A:0:EC72
D. B514:82C3::0029:EC7A:EC72
Which two tasks does a router perform when it receives a packet that is being forwarded from one network to another? (Choose two.)
A. It removes the Layer 2 frame header and trailer
B. It encapsulates the Layer 2 packet
C. It removes the Layer 3 frame header and trailer
D. It examines the routing table for the best path to the destination IP address of the packet
E. It examines the MAC address table for the forwarding interface
Which major IPv6 address type is supported in IPv4 but rarely used?
A. Broadcast
B. Anycast
C. Unicast
D. Multicast
Which feature or method can you use to isolate physical layer problems on a serial link?
A. autonegotiation
B. protocol analyzer
C. loopback tests
D. UDLD
Which HSRP feature was new in HSRPv2?
A. preemption
B. VLAN group numbers that are greater than 255
C. tracking
D. virtual MAC addresses
Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? (Choose two)
A. Router1 has specific boot system commands that instruct it to load IOS from TFTP server.
B. Router1 is acting as a TFTP server for other routers.
C. Router1 cannot locate a valid IOS image in flash memory.
D. Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.
E. Cisco routers will first attempt to load a image from TFTP for management purposes.
Refer to the exhibit.What is the reason that the interface status is "administratively down, line protocol down"?
A. There is no encapsulation type configured.
B. There is a mismatch in encapsulation types.
C. The interface is not receiving any keepalives.
D. The interface has been configured with the shutdown command.
E. The interface needs to be configured as a DTE device.
F. The wrong type of cable is connected to the interface.
Which command should you enter to configure an LLDP delay time of 5 seconds?
A. lldp holdtime 5
B. lldp reinit 5
C. lldp timer 5000
D. lldp reinit 5000
Refer to the exhibit. PC_1 is sending packets to the FTP server. Consider the packets as they leave RouterA interface Fa0/0 towards RouterB. Drag the correct frame and packet address to their place in the table.Select and Place:
A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?
A. session
B. transport
C. network
D. data link
E. physical
Drag and drop. Match the items on the left with its corresponding definition on the right.Select and Place:
Refer to the exhibit. Which three statements correctly describe Network Device A? (Choose three.)
A. With a network wide mask of 255.255.255.128, each interface does not require an IP address.
B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.
C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.
D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.
E. With a network wide mask of 255.255.254.0, each interface does not require an IP address.
Refer to the exhibit.What statement is true of the configuration for this network?
A. The configuration that is shown provides inadequate outside address space for translation of the number of inside addresses that are supported.
B. Because of the addressing on interface FastEthernet0/1, the Serial0/0 interface address will not support the NAT configuration as shown.
C. The number 1 referred to in the ip nat inside source command references access-list number 1.
D. ExternalRouter must be configured with static routes to networks 172.16.1.0/24 and 172.16.2.0/24.
If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?
A. 192.168.1.1
B. 172.16.1.1
C. 1.1.1.1
D. 2.2.2.2 D
The network administrator of the Oregon router adds the following command to the router configuration: ip route 192.168.12.0 255.255.255.0 172.16.12.1. What are the results of adding this command? (Choose two.)
A. The command establishes a static route.
B. The command invokes a dynamic routing protocol for 192.168.12.0.
C. Traffic for network 192.168.12.0 is forwarded to 172.16.12.1.
D. Traffic for all networks is forwarded to 172.16.12.1.
E. This route is automatically propagated throughout the entire network.
F. Traffic for network 172.16.12.0 is forwarded to the 192.168.12.0 network.
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