200-125 Practice Test Free – 50 Real Exam Questions to Boost Your Confidence
Preparing for the 200-125 exam? Start with our 200-125 Practice Test Free – a set of 50 high-quality, exam-style questions crafted to help you assess your knowledge and improve your chances of passing on the first try.
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- Gain the confidence you need to succeed on exam day
Below, you will find 50 free 200-125 practice questions to help you prepare for the exam. These questions are designed to reflect the real exam structure and difficulty level. You can click on each Question to explore the details.
How many host addresses are available on the network 192.168.1.0 subnet 255.255.255 240?A. 6
B. 8
C. 14
D. 16
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Which feature can you use to restrict SNMP queries to a specific OID tree?A. server group
B. a community
C. a view record
D. an access group
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Which API uses HTTP messages to transfer data to applications residing on different hosts?A. OpenStack
B. REST
C. OpenFlow
D. OpFlex
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Refer to the exhibit.
An attempt to deny web access to a subnet blocks all traffic from the subnet. Which interface command immediately removes the effect of ACL 102?A. no ip access-class 102 in
B. no ip access-class 102 out
C. no ip access-group 102 in
D. no ip access-group 102 out
E. no ip access-list 102 in
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Which three elements must be used when you configure a router interface for VLAN trunking? (Choose three.)A. one physical interface for each subinterface.
B. one IP network or subnetwork for each subinterface.
C. a management domain for each subinterface.
D. subinterface encapsulation identifiers that match VLAN tags.
E. one subinterface per VLAN.
F. subinterface numbering that matches VLAN tags. BDE
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Scenario -
Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.
You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.
Use appropriate show commands to troubleshoot the issues and answer all four questions.
Instructions -
R1 does not form an OSPF neighbor adjacency with R2. Which option would fix the issue?A. R1 ethernet0/1 is shutdown. Configure no shutdown command.
B. R1 ethernet0/1 configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25
C. R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25
D. Enable OSPF for R1 ethernet0/1; configure ip ospf 1 area 0 command under ethernet0/1. B
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Which effect of the terminal monitor command is true?A. It displays the configuration of the syslog server
B. It configures a syslog server
C. It configures the device to log messages to the console
D. It puts the device into global configuration mode
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What functions do routers perform in a network? (Choose two)A. packet switching
B. access layer security
C. path selection
D. VLAN membership assignment
E. bridging between LAN segments
F. microsegmentation of broadcast domains
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Refer to the exhibit.
Which statement describes DLCI 17?A. DLCI 17 describes the ISDN circuit between R2 and R3.
B. DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
C. DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
D. DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.
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What would be the effect of Issuing the command ip access-group 115 in on the s0/0/1 interface?A. No host could connect to RouterC through s0/0/1.
B. Telnet and ping would work but routing updates would fail.
C. FTP, FTP-DATA, echo, and www would work but telnet would fail.
D. Only traffic from the 10.4.4.0 network would pass through the interface.
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You are configuring an IP SLA ICMP Echo operation to troubleshoot a network connectivity issue. When do you enter an IP address to test the IP SLA?A. when you define the ICMP Echo operation
B. when you enable the ICMP Echo operation
C. when you verify the IP SLA operation
D. when you specify the test frequency
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To enable router on a stick on a router subinterface, which two steps must you perform? (Choose two.)A. Configure an IP route to the VLAN destination network.
B. Configure encapsulation dot1q.
C. Configure a default to route traffic between subinterfaces.
D. Configure full duplex and speed.
E. Configure the subinterface with an IP address.
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Refer to the exhibit. What is the meaning of the output MTU 1500 bytes?
A. The maximum number of bytes that can traverse this interface per second is 1500.
B. The minimum segment size that can traverse this interface is 1500 bytes.
C. The maximum segment size that can traverse this interface is 1500 bytes.
D. The minimum packet size that can traverse this interface is 1500 bytes.
E. The maximum packet size that can traverse this interface is 1500 bytes.
F. The maximum frame size that can traverse this interface is 1500 bytes.
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Which EIGRP for IPv6 command can you enter to view the link-local addresses of the neighbors of a device?A. show ipv6 eigrp 20 interfaces
B. show ipv6 route eigrp
C. show ipv6 eigrp neighbors
D. show ip eigrp traffic
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Refer to the exhibit.
Which statement is true?A. The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.
B. VLAN 20 is running the Per VLAN Spanning Tree Protocol.
C. The MAC address of the root bridge is 0017.596d.1580.
D. SwitchA is not the root bridge, because not all of the interface roles are designated.
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Which two benefits of implementing a full-mesh WAN topology are true? (Choose two.)A. increased latency
B. redundancy
C. reduced jitter
D. reliability
E. improved scalability
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An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up. What does "line protocol is up" specifically indicate about the interface?A. The cable is attached properly.
B. CDP has discovered the connected device.
C. Keepalives are being received on the interface.
D. A carrier detect signal has been received from the connected device.
E. IP is correctly configured on the interface.
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Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)A. transparent
B. auto
C. on
D. desirable
E. blocking
F. forwarding
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What is the alternative notation for the IPv6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?A. B514 : 82C3 : 0029 : EC7A : EC72
B. B514 : 82C3 :: 0029 : EC7A : EC72
C. B514 : 82C3 : 0029 :: EC7A : 0000 : EC72
D. B514 : 82C3 :: 0029 : EC7A : 0 : EC72 D
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Which VTP mode prevents you from making changes to VLANs?A. server
B. off
C. client
D. transparent
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Which two facts must you take into account when you deploy PPPoE? (Choose two.)A. DDR idle timers must be configured to support VPDN logging
B. DDR is not supported
C. You must manually configure IP addresses on the PPPoE interface
D. PPPoE supports a maximum of 10 clients per customer premises equipment
E. An individual PVC can support one PPPoE client
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Which of the following are types of flow control? (Choose three.)A. buffering
B. cut-through
C. windowing
D. congestion avoidance
E. load balancing
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Refer to Exhibit:
Based on the network shown in the graphic, which option contains both the potential networking problem and the protocol or setting that should be used to prevent the problem?A. routing loops, hold down timers
B. switching loops, split horizon
C. routing loops, split horizon
D. switching loops, VTP
E. routing loops, STP
F. switching loops, STP
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Refer to the exhibit. What will Router1 do when it receives the data frame shown? (Choose three.)
A. Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965.
B. Router1 will strip off the source IP address and replace it with the IP address 192.168.40.1.
C. Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320.
D. Router1 will strip off the destination IP address and replace it with the IP address of 192.168.40.1.
E. Router1 will forward the data packet out interface FastEthernet0/1.
F. Router1 will forward the data packet out interface FastEthernet0/2.
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Refer to the exhibit.
The two connected ports on the switch are not turning orange or green. Which three would be the most effective steps to troubleshoot this physical layer problem?
(Choose three.)A. Ensure the switch has power.
B. Reseat all cables.
C. Ensure cable A is plugged into a trunk port.
D. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
E. Reboot all of the devices.
F. Ensure that cables A and Ð’ are straight-through cables.
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Which QoS feature can drop traffic that exceeds the committed access rate?A. policing
B. FIFO
C. shaping
D. weighted fair queuing
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What is a global command?A. a command that is set once and affects the entire router.
B. a command that is implemented in all foreign and domestic IOS versions.
C. a command that is universal in application and supports all protocols.
D. a command that is available in every release of IOS, regardless of the version or deployment status.
E. a command that can be entered in any configuration mode.
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Refer to the exhibit.
C-router is to be used as a "router-on-a-stick" to route between the VLANs. All the interfaces have been properly configured and IP routing is operational.
The hosts in the VLANs have been configured with the appropriate default gateway. What can be said about this configuration?A. These commands need to be added to the configuration: C-router(config)# router eigrp 123 C-router(config-router)# network 172.19.0.0
B. No further routing configuration is required.
C. These commands need to be added to the configuration: C-router(config)# router ospf 1 C-router(config-router)# network 172.19.0.0 0.0.3.255 area 0
D. These commands need to be added to the configuration: C-router(config)# router rip
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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.
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DRAG DROP -
Select and Place:
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Which command must you enter to switch from privileged EXEC mode to user EXEC mode on a Cisco device?A. enable
B. logout
C. configure terminal
D. disable
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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.)
A. The MAC address table will now have an additional entry of fa0/1 FFFF.FFFF.FFFF.
B. Only host A will be allowed to transmit frames on fa0/1.
C. This frame will be discarded when it is received by 2950Switch.
D. All frames arriving on 2950Switch with a destination of 0000.00aa.aaaa will be forwarded out fa0/1.
E. Hosts B and C may forward frames out fa0/1 but frames arriving from other switches will not be forwarded out fa0/1.
F. Only frames from source 0000.00bb.bbbb, the first learned MAC address of 2950Switch, will be forwarded out fa0/1.
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Which two statements about IGP and EGP routing protocols are true? (Choose two.)A. Service providers use OSPF and IS-IS for intra-AS routing
B. EGP routing protocols are used to connect multiple IGP networks
C. IGP routing protocols are used within internal networks
D. OSPF, EIGRP, and BGP are categorized as IGP routing protocols.
E. Service providers use EGP and BGP for intra-AS routing
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Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)A. amount of RAM
B. bridge priority
C. IOS version
D. IP address
E. MAC address
F. speed of the links
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In a GLBP network, who is responsible for the arp request?A. AVF
B. AVG
C. Active Router
D. Standby Router
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Two routers named Atlanta and Brevard are connected by their serial interfaces as shown in the exhibit, but there is no data connectivity between them.
The Atlanta router is known to have a correct configuration. Given the partial configurations shown in the exhibit, what is the problem on the Brevard router that is causing the lack of connectivity?
A. incompatible IP addresses
B. insufficient bandwidth
C. incorrect subnet mask
D. incompatible encapsulation
E. Link reliability too low
F. IPCP closed
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What are three approaches that are used when migrating from an IPv4 addressing scheme to an IPv6 scheme. (Choose three.)A. enable dual-stack routing.
B. configure IPv6 directly.
C. configure IPv4 tunnels between IPv6 islands.
D. use proxying and translation to translate IPv6 packets into IPv4 packets.
E. statically map IPv4 addresses to IPv6 addresses.
F. use DHCPv6 to map IPv4 addresses to IPv6 addresses.
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What does it take for BGP to establish connection? (Choose two)A. Enable cdp
B. AS number on local router
C. AS number on remote router
D. IGP
E. EGP
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In a switched environment, what does the IEEE 802.1Q standard describe?A. the operation of VTP
B. a method of VLAN trunking
C. an approach to wireless LAN communication
D. the process for root bridge selection
E. VLAN pruning
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Which type of attack can be mitigated by configuring the default native VLAN to be unused?A. CAM table overflow
B. switch spoofing
C. VLAN hopping
D. MAC spoofing
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Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?A. hop count
B. administrative distance
C. link bandwidth
D. link delay
E. link cost
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Refer to the exhibit. What is the effect of the configuration that is shown?A. It tells the router or switch to try establish an SSH connection first and if that fail to use telnet.
B. It configures a Cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports.
C. It allows seven failed login attempts before the VTY lines are temporarily shutdown.
D. It configures the virtual terminal lines with the password 030752180500.
E. It configures SSH globally for all logins.
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Cisco IOS supports which QoS models?A. best-effort and integrated services
B. integrated services and differentiated services
C. best-effort and differentiated services
D. best-effort, integrated services, and differentiated services
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Which three features are added in SNMPv3 over SNMPv2?A. Message Integrity
B. Compression
C. Authentication
D. Encryption
E. Error Detection
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What feature uses a random time to re-send a frame?A. CSMA/CA
B. disabled by default
C. Cisco proprietary
D. CSMA/CD
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If a router has 3 hosts connected in one port and two other hosts connected in another port, how may broadcast domains are present on the router?A. 5
B. 2
C. 3
D. 4
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Which two statements about RFC 1918 addresses are true? (Choose two.)A. They require Network Address Translation or Port Address Translation to access the Internet.
B. They have reserved address space for Class A and Class B networks only.
C. They must be registered.
D. They provide security to end users when the users access the Internet.
E. They increase network performance.
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Which two statements about EUI-64 addressing are true? (Choose two.)A. The address includes the hex digits FFFE after the last 24 bits of the interface MAC address.
B. A 64-bit interface identifier is derived from the interface MAC address.
C. A locally administrated address has the universal/local bit set to 0.
D. A 96-bit interface identifier is derived from the interface MAC address.
E. The address includes the hex digits FFFE after the first 14 bits of the interface MAC address.
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Refer to the exhibit. What set of commands was configured on interface Fa0/3 to produce the given the output?
A.
B.
C.
D.
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Which type of frames is larger than 9000 bytes?A. baby giant
B. jumbo
C. runt
D. giant
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