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Cisco CCNA 200-125 Dumps Real Exam Questions & Answers (1-30)
QUESTION 1
Which two tasks does the Dynamic Host Configuration Protocol perform? (Choose two.)
A. Set the IP gateway to be used by the network.
B. Perform host discovery used DHCPDISCOVER message.
C. Configure IP address parameters from DHCP server to a host.
D. Provide an easy management of layer 3 devices.
E. Monitor IP performance using the DHCP server.
F. Assign and renew IP address from the default pool.
Correct Answer: CF
QUESTION 2
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.
An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branch1 office. What is causing the problem?
A. There is an area ID mismatch.
B. There is a Layer 2 issue; an encapsulation mismatch on serial links.
C. There is an OSPF hello and dead interval mismatch.
D. The R3 router ID is configured on R4.
Correct Answer: A
QUESTION 3
which three technical services support cloud computing ?
A. network-monitored power sources
B. layer 3 network routing
C. ip localization
D. redundant connections
E. VPN connectivity
F. extended SAN services
Correct Answer: CDF
QUESTION 4
Which component of the routing table ranks routing protocols according to their preferences?
A. administrative distance
B. next hop
C. metric
D. routing protocol code
Correct Answer: A
QUESTION 5
Which command can you execute to set the user inactivity timer to 10 seconds?
A. SW1(config-line)#exec-timeout 0 10
B. SW1(config-line)#exec-timeout 10
C. SW1(config-line)#absolute-timeout 0 10
D. SW1(config-line)#absolute-timeout 10
Correct Answer: A
QUESTION 6
Which value is used to determine the active router in an HSRP default configuration?
A. Router loopback address
B. Router IP address
C. Router priority
D. Router tracking number
Correct Answer: C
QUESTION 7
In which two formats can the IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B be written? 200-125 dumps (Choose two.)
A. fd15:0db8:0000:0000:700:3:400F:527B
B. fd15::db8::700:3:400F:527B
C. fd15:db8:0::700:3:4F:527B
D. fd15:0db8::7:3:4F:527B
E. fd15:db8::700:3:400F:572B
Correct Answer: AE
QUESTION 8
Which command can you enter to route all traffic that is destined for 192.168.0.0/20 to a specific interface?
A. router(config)#ip route 192.168.0.0 255.255.240.0 GigabitEthernet0/1
B. router(config)#ip route 0.0.0.0 255.255.255.0 GigabitEthernet0/1
C. router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1
D. router(config)#ip route 192.168.0.0 255.255.255.0 GigabitEthernet0/1
Correct Answer: A
QUESTION 9
Which statement about QoS default behavior is true?
A. Ports are untrusted by default.
B. VoIP traffic is passed without being tagged.
C. Video traffic is passed with a well-known DSCP value of 46.
D. Packets are classified internally with an environment.
E. Packets that arrive with a tag are untagged at the edge of an administrative domain.
Correct Answer: E
QUESTION 10
A security administrator wants to profile endpoints and gain visibility into attempted authentications. Which 802.1x mode allows these actions?
A. Monitor mode
B. High-Security mode
C. Low-impact mode
D. Closed mode
Correct Answer: A
QUESTION 11
Which range represents the standard access list?
A. 99
B. 150
C. 299
D. 2000
Correct Answer: A
QUESTION 12
If the primary root bridge experiences a power loss, which switch takes over?
A. switch 0004.9A1A.C182
B. switch 00E0.F90B.6BE3
C. switch 00E0.F726.3DC6
D. switch 0040.0BC0.90C5
Correct Answer: A
QUESTION 13
Refer to the exhibit.
What is the reason that the interface status is andquot;administratively down, line protocol downandquot;?
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.
Correct Answer: D
QUESTION 14
Which statement about named ACLs is true?
A. They support standard and extended ACLs.
B. They are used to filter usernames and passwords for Telnet and SSH.
C. They are used to filter Layer 7 traffic.
D. They support standard ACLs only.
E. They are used to rate limit traffic destined to targeted networks.
Correct Answer: A
QUESTION 15
Refer to the exhibit.
Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three.)
A. SwitchA, Fa0/2, designated
B. SwitchA, Fa0/1, root
C. SwitchB, Gi0/2, root
D. SwitchB, Gi0/1, designated
E. SwitchC, Fa0/2, root
F. SwitchD, Gi0/2, root
Correct Answer: ABF
QUESTION 16
Which three of these statements regarding 802.1Q trunking are correct? (Choose three.)
A. 802.1Q native VLAN frames are untagged by default.
B. 802.1Q trunking ports can also be secure ports.
C. 802.1Q trunks can use 10 Mb/s Ethernet interfaces.
D. 802.1Q trunks require full-duplex, point-to-point connectivity.
E. 802.1Q trunks should have native VLANs that are the same at both ends.
Correct Answer: ACE
QUESTION 17
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. 200-125 dumps
An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office. What is causing the problem?
A. There is an area ID mismatch.
B. There is a PPP authentication issue; a password mismatch.
C. There is an OSPF hello and dead interval mismatch.
D. There is a missing network command in the OSPF process on R5.
Correct Answer: C
QUESTION 18
Which feature is config by setting a variance that is at least 2 times the metric?
A. unequal cost load balancing
B. path selection
C. equal cost load balancing
D. path count
Correct Answer: A
QUESTION 19
Which three encapsulation layers in the OSI model are combined into the TCP/IP application layer?(Choose three)
A. Session
B. transport
C. presentation
D. application
E. data-link
F. network
Correct Answer: ACD
QUESTION 20
When a router is unable to find a known route in the routing table,how dose it handle the pacet?
A. It sends the packet to the next hop address
B. It sends the packet to the gateway of last resort
C. It discards the packet
D. It sends the packet over the route with the best metric
Correct Answer: B
QUESTION 21
Which three 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
Correct Answer: BCD
QUESTION 22
Which two components are used to identify a neighbor in a BGP configuration? (Choose two.)
A. autonomous system number
B. version number
C. router ID
D. subnet mask
E. IP address
Correct Answer: AE
QUESTION 23
While troubleshooting a connection problem on a computer, you determined that the computer can ping a specific web server but it cannot connect to TCP port 80 on that server. 200-125 dumps Which reason for the problem is most likely true?
A. A VLAN number is incorrect.
B. A Route is missing
C. An ARP table entry is missing.
D. An ACL is blocking the TCP port.
Correct Answer: D
QUESTION 24
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.
Correct Answer: AB
QUESTION 25
Refer to the graphic.
R1 is unable to establish an OSPF neighbor relationship with R3. What are possible reasons for this problem? (Choose two.)
A. All of the routers need to be configured for backbone Area 1.
B. R1 and R2 are the DR and BDR, so OSPF will not establish neighbor adjacency with R3.
C. A static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established.
D. The hello and dead interval timers are not set to the same values on R1 and R3.
E. EIGRP is also configured on these routers with a lower administrative distance.
F. R1 and R3 are configured in different areas.
Correct Answer: DF
QUESTION 26
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.
Correct Answer: BDF
QUESTION 27
Which three circumstances can cause a GRE tunnel to be in an up/down state? (Choose three.)
A. The tunnel interface IP address is misconfigured.
B. The tunnel interface is down.
C. A valid route to the destination address is missing from the routing table.
D. The tunnel address is routed through the tunnel itself.
E. The ISP is blocking the traffic.
F. An ACL is blocking the outbound traffic.
Correct Answer: BCD
QUESTION 28
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(configif)#encapsulation ietf Main(config-if)# no shut
Correct Answer: B
QUESTION 29
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.
Correct Answer: BDE
QUESTION 30
Which IPV6 feature is supported in IPV4 but is not commonly used?
A. unicast
B. multicast
C. anycast
D. broadcast
Correct Answer: C
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