[100% New Questions] The Best Cisco 200-125 Dumps PDF Training Resources And Youtube Update
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Vendor: Cisco
Certifications: CCNA
Exam Name: CCNA Cisco Certified Network Associate CCNA (v3.0)
Exam Code: 200-125
Total Questions: 966 Q&As
QUESTION 1
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
QUESTION 2
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 3
Which command can you enter to display the operational status of the network ports on a router? 200-125 dumps
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 4
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 5
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 6
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 7
Refer to the exhibit.
Switch port FastEthernet 0/24 on ALSwitch1 will be used to create an IEEE 802.1Q- compliant trunk to another switch. 200-125 dumps Based on the output shown, what is the reason the trunk does not form, even though the proper cabling has been attached?
A. VLANs have not been created yet.
B. An IP address must be configured for the port.
C. The port is currently configured for access mode.
D. The correct encapsulation type has not been configured.
E. The “no shutdown” command has not been entered for the port.
Correct Answer: C
QUESTION 8
Which three statements accurately describe Layer 2 Ethernet switches? (Choose three.)
A. Spanning Tree Protocol allows switches to automatically share VLAN information.
B. Establishing VLANs increases the number of broadcast domains.
C. Switches that are configured with VLANs make forwarding decisions based on both Layer 2 and Layer 3 address information.
D. Microsegmentation decreases the number of collisions on the network.
E. In a properly functioning network with redundant switched paths, each switched segment will contain one root bridge with all its ports in the forwarding state. All other switches in that broadcast domain will have only one root port.
F. If a switch receives a frame for an unknown destination, it uses ARP to resolve the address.
Correct Answer: B,D,E
QUESTION 9
A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the network administrator is using for this operation?
A. application
B. presentation
C. session
D. transport
E. internet
F. data link
Correct Answer: A
QUESTION 10
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 11
In an Ethernet network, under what two scenarios can devices transmit? 200-125 dumps (Choose two.)
A. when they receive a special token
B. when there is a carrier
C. when they detect no other devices are sending
D. when the medium is idle
E. when the server grants access
Correct Answer: C,D
QUESTION 12
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?
A. This is a 10 Mb/s switch port.
B. This is a 100 Mb/s switch port.
C. This is an Ethernet port operating at half duplex.
D. This is an Ethernet port operating at full duplex.
E. This is a port on a network interface card in a PC.
Correct Answer: C
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