Cisco CCNA Routing and Switching 200-125 CCNA pdf | Certpark

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Share some CCNA Routing and Switching 200-125 exam questions and answers below.
A cisco router is booting and has just completed the POST process. It is now ready to find and load an IOSimage. 
What function does the router perform next? 
A. It checks the configuration register 
B. It attempts to boot from a TFTP server 
C. It loads the first image file in flash memory 
D. It inspects the configuration file in NVRAM for boot instructions 
Answer: A

Which of the following describes the roles of devices in a WAN? (Choose three.) 
A. A CSU/DSU terminates a digital local loop 
B. A modem terminates a digital local loop 
C. A CSU/DSU terminates an analog local loop 
D. A modem terminates an analog local loop 
E. A router is commonly considered a DTE device 
F. A router is commonly considered a DCE device 
Answer: ADE

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. 
Answer: B

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 
Answer: C

Which spanning-tree protocol rides on top of another spanning-tree protocol? 
A. MSTP 
B. RSTP 
C. PVST+ 
D. Mono Spanning Tree 
Answer: A

What are three parts of an IPv6 global unicast address? (Choose three.) 
A. an interface ID that is used to identify the local host on the network 
B. an interface ID that is used to identify the local network for a particular host. 
C. a subnet ID that is used to identify networks inside of the local enterprise site 
D. a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP 
E. a global routing prefix that is used to identify the portion of the network address provided by a local administrator 
Answer: ACD

What is true about DTP? (Choose Three.) 
A. Layer 2 protocol 
B. Layer 3 protocol 
C. Proprietary protocol 
D. enabled by default 
E. disabled by default 
Answer: ACD

What are three characteristics of the TCP protocol? (Choose three.) 
A. It uses a single SYN-ACK message to establish a connection. 
B. The connection is established before data is transmitted. 
C. It ensures that all data is transmitted and received by the remote device. 
D. It supports significantly higher transmission speeds than UDP. 
E. It requires applications to determine when data packets must be retransmitted. 
F. It uses separate SYN and ACK messages to establish a connection. 
Answer: BCF

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 
Answer: B

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. 
Answer: BCD

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