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Cisco CCNA 200-125 Dumps Exam Real Questions And Answers (1-30)
QUESTION 1
Under normal operations, cisco recommends that you configure switch ports on which vlan?
A. on the default vlan
B. on the management vlan
C. on the native vlan
D. on any vlan except the default vlan
Correct Answer: D
QUESTION 2
Which command can you enter to display the operational status of the network ports on a router?
A. show interface switchport
B. show ip interface brief
C. show running-config interface fastethernet 0/1
D. show interface status
Correct Answer: B
QUESTION 3
Which function does IP SLA ICMP ECHO operation perform to assist with troubleshooting
A. packet-loss detection
B. congestion detection
C. hop-by-hop response time
D. one way jitter measurement
Correct Answer: C
QUESTION 4
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
Correct Answer: B
QUESTION 5
Which type of mac address is aged automatically by the switch?
A. Dynamic
B. Static
C. automatic
D. manual
Correct Answer: A
QUESTION 6
Which major component of the network virtualization architecture isolate users according to policy? 200-125 dumps
A. policy enforcement
B. network access control
C. network services virtualization
Correct Answer: B
QUESTION 7
how to see dhcp conflict?
A. show ip dhcp pool
B. show dhcp database
Correct Answer: A
QUESTION 8
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 9
Which Cisco platform can verify ACLs?
A. Cisco Prime Infrastructure
B. Cisco Wireless LAN Controller
C. Cisco APIC-EM
D. Cisco IOS-XE
Correct Answer: C
QUESTION 10
Which two security appliances will you use in a network? (Choose two.)
A. ATM
B. IDS
C. IOS
D. IOX
E. IPS
F. SDM
Correct Answer: BE
QUESTION 11
What command is used to configure a switch as authoritative NTP server?
A. ntp master 3
B. ntp peer IP
C. ntp server IP
D. ntp source IP
Correct Answer: A
QUESTION 12
Two statements about syslog loging?
A. Syslog logging is disabled by default
B. Messages are stored in the internal memory of device
C. Messages can be erased when device reboots
D. Messages are stored external to the device
E. other
F. other
Correct Answer: AD
QUESTION 13
How to enable vlans automatically across multiple switches? 200-125 dumps
A. Configure VLAN
B. Confiture NTP
C. Configure each VLAN
D. Configure VTP
Correct Answer: D
QUESTION 14
Refer to the exhibit.
A network administrator is configuring an EtherChannel between SW1 and SW2. The SW1 configuration isshown. What is the correct configuration for SW2?
A. interface FastEthernet 0/1
channel-group 1 mode active
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 1 mode active
switchport trunk encapsulation dot1q
switchport mode trunk
B. interface FastEthernet 0/1
channel-group 2 mode auto
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 2 mode auto
switchport trunk encapsulation dot1q
switchport mode trunk
C. interface FastEthernet 0/1
channel-group 1 mode desirable
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 1 mode desirable
switchport trunk encapsulation dot1q
switchport mode trunk
D. interface FastEthernet 0/1
channel-group 1 mode passive
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 1 mode passive
switchport trunk encapsulation dot1q
switchport mode trunk
Correct Answer: C
QUESTION 15
What are two benefits of private IPv4 IP addresses? (Choose two.)
A. They are routed the same as public IP addresses.
B. They are less costly than public IP addresses.
C. They can be assigned to devices without Internet connections.
D. They eliminate the necessity for NAT policies.
E. They eliminate duplicate IP conflicts.
Correct Answer: AC
QUESTION 16
Standard industrialized protocol of etherchannel?
A. LACP
B. PAGP
C. PRP
D. REP
Correct Answer: A
QUESTION 17
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
QUESTION 18
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. 200-125 dumps 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
Correct Answer: B
QUESTION 19
Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has builtin security mechanisms?
A. HDLC
B. PPP
C. X.25
D. Frame Relay
Correct Answer: B
QUESTION 20
In which three ways is an IPv6 header simpler than an IPv4 header? (Choose three.)
A. Unlike IPv4 headers, IPv6 headers have a fixed length.
B. IPv6 uses an extension header instead of the IPv4 Fragmentation field.
C. IPv6 headers eliminate the IPv4 Checksum field.
D. IPv6 headers use the Fragment Offset field in place of the IPv4 Fragmentation field.
E. IPv6 headers use a smaller Option field size than IPv4 headers.
F. IPv6 headers use a 4-bit TTL field, and IPv4 headers use an 8-bit TTL field.
Correct Answer: ABC
QUESTION 21
Which command is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?
A. transport type all
B. transport output all
C. transport preferred all
D. transport input all
Correct Answer: D
QUESTION 22
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.
Correct Answer: A
QUESTION 23
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
Correct Answer: B
QUESTION 24
Which two statements about late collisions are true? 200-125 dumps (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
QUESTION 25
What does a Layer 2 switch use to decide where to forward a received frame?
A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address
Correct Answer: F
QUESTION 26
Two features of the extended ping command? (Choose two.)
A. It can send a specific number of packet
B. It can send packet from specified interface of IP address
C. It can resolve the destination host name
D. It can ping multiple host at the same time
Correct Answer: AB
QUESTION 27
Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.)
A. VTP
B. 802.1q
C. IGP
D. ISL
E. 802.3u
Correct Answer: BD
QUESTION 28
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
QUESTION 29
Which three statements about static routing are true? (Choose three.)
A. It uses consistent route determination.
B. It is best used for small-scale deployments.
C. Routing is disrupted when links fail.
D. It requires more resources than other routing methods.
E. It is best used for large-scale deployments.
F. Routers can use update messages to reroute when links fail.
Correct Answer: ABC
QUESTION 30
Three switches are connected to one another via trunk ports. Assuming the default switch configuration, which switch is elected as the root bridge for the spanning-tree instance of VLAN 1?
A. the switch with the highest MAC address
B. the switch with the lowest MAC address
C. the switch with the highest IP address
D. the switch with the lowest IP address
Correct Answer: B
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