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Question 1: What are the differences between an IPv4 address
and an IPv6 address?
Answer:
IPv4 is a 32-bit address, while 200-125 exam questions answers IPv6 is a 128-bit address.
IPv4 addresses are written in decimal format, divided by
dots (e.g., 19161), while IPv6 addresses are written in hexadecimal format,
divided by colons (e.g., 2001:0db8:85a3::8a2e:0370:7334).
IPv6 provides a much larger address space, allowing for an
almost infinite number of unique addresses.
Question 2: Which command is used to configure a default
route on a Cisco router?
Answer: The command to configure a default route is:
vbnet
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ip route 0.0.0.0 0.0.0.0 [next-hop IP or exit interface]
Question 3: How do you configure a VLAN on a Cisco switch?
Answer:
Enter global configuration mode:
shell
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Switch> enable
Switch# configure terminal
Create a VLAN:
scss
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Switch(config)# vlan [vlan-id]
Switch(config-vlan)# name Cisco Certification Price [vlan-name]
Switch(config-vlan)# exit
Question 4: How does OSPF work, and why is it used?
Answer: OSPF (Open Shortest Path First) is a link-state
routing protocol that uses the Dijkstra algorithm to calculate the shortest
path for data packets. It used in larger enterprise networks because of its
scalability and efficient handling of network topology changes.
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