Q. How does IPv6 handle packet fragmentation?
A.
Only the sender can fragment packets
B.
Intermediate routers can fragment packets
C.
Fragmentation is not allowed in IPv6
D.
Fragmentation is handled by NAT
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Solution
In IPv6, only the sender is responsible for fragmenting packets, as routers do not perform fragmentation.
Correct Answer:
A
— Only the sender can fragment packets
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Q. How does IPv6 handle packet fragmentation?
A.
Only the sender can fragment packets
B.
Intermediate routers can fragment packets
C.
Fragmentation is not allowed in IPv6
D.
Fragmentation is handled by NAT
Show solution
Solution
In IPv6, only the sender is responsible for fragmenting packets, as routers do not perform fragmentation.
Correct Answer:
A
— Only the sender can fragment packets
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Q. How does IPv6 handle packet fragmentation?
A.
Only the sender can fragment packets
B.
Intermediate routers can fragment packets
C.
Fragmentation is not allowed in IPv6
D.
Fragmentation is handled by NAT
Show solution
Solution
In IPv6, only the sender is responsible for fragmenting packets, as routers do not perform fragmentation.
Correct Answer:
A
— Only the sender can fragment packets
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Q. What does the '::' notation in IPv6 addresses signify?
A.
A subnet mask
B.
A loopback address
C.
A shorthand for consecutive zero blocks
D.
A reserved address
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Solution
'::' is a shorthand notation in IPv6 that represents consecutive blocks of zeros in an address.
Correct Answer:
C
— A shorthand for consecutive zero blocks
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Q. What does the '::' notation in IPv6 represent?
A.
A single zero
B.
A group of four zeros
C.
A series of consecutive zeros
D.
An invalid address
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Solution
'::' notation in IPv6 is used to represent a series of consecutive zeros in the address, allowing for a more compact representation.
Correct Answer:
C
— A series of consecutive zeros
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Q. What is the maximum number of unique addresses that IPv6 can theoretically support?
A.
Approximately 4 billion
B.
Approximately 340 undecillion
C.
Approximately 16 million
D.
Approximately 256 trillion
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Solution
IPv6 can theoretically support approximately 340 undecillion unique addresses due to its 128-bit address space.
Correct Answer:
B
— Approximately 340 undecillion
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Q. What is the multicast address range in IPv6?
A.
FF00::/8
B.
2000::/3
C.
::1/128
D.
::/0
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Solution
The multicast address range in IPv6 is defined as FF00::/8, which is used for multicast communication.
Correct Answer:
A
— FF00::/8
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Q. What is the primary purpose of IPv6?
A.
To provide a larger address space than IPv4
B.
To improve the speed of data transmission
C.
To enhance security features
D.
To simplify network configuration
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Solution
IPv6 was developed to address the limitations of IPv4, particularly the exhaustion of available IP addresses, by providing a vastly larger address space.
Correct Answer:
A
— To provide a larger address space than IPv4
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Q. What is the primary purpose of IPv6?
A.
To provide a larger address space than IPv4
B.
To improve the speed of data transmission
C.
To enhance security features
D.
To simplify network configuration
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Solution
IPv6 was developed to address the limitations of IPv4, particularly the exhaustion of available IP addresses, by providing a vastly larger address space.
Correct Answer:
A
— To provide a larger address space than IPv4
Learn More →
Q. What is the primary purpose of IPv6?
A.
To provide a larger address space than IPv4
B.
To improve the speed of data transmission
C.
To enhance security features
D.
To simplify network configuration
Show solution
Solution
IPv6 was developed to address the limitations of IPv4, particularly the exhaustion of available IP addresses, by providing a vastly larger address space.
Correct Answer:
A
— To provide a larger address space than IPv4
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Q. What is the purpose of the IPv6 address ::1?
A.
Global unicast address
B.
Link-local address
C.
Multicast address
D.
Loopback address
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Solution
::1 is the loopback address in IPv6, used to refer to the local host.
Correct Answer:
D
— Loopback address
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Q. What is the purpose of the IPv6 address prefix?
A.
To identify the host within a network
B.
To define the network portion of the address
C.
To provide a unique identifier for the device
D.
To indicate the type of service
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Solution
The IPv6 address prefix defines the network portion of the address, allowing for efficient routing and addressing within the network.
Correct Answer:
B
— To define the network portion of the address
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Q. What is the purpose of the IPv6 address prefix?
A.
To identify the host within a network
B.
To define the network portion of the address
C.
To provide a unique identifier for the device
D.
To indicate the type of service
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Solution
The IPv6 address prefix defines the network portion of the address, allowing for efficient routing and addressing within the network.
Correct Answer:
B
— To define the network portion of the address
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Q. What is the purpose of the IPv6 address prefix?
A.
To identify the host within a network
B.
To define the network portion of the address
C.
To provide a unique identifier for the device
D.
To indicate the type of service
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Solution
The IPv6 address prefix defines the network portion of the address, allowing for efficient routing and addressing within the network.
Correct Answer:
B
— To define the network portion of the address
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Q. What is the purpose of the IPv6 flow label field?
A.
To identify the source of the packet
B.
To prioritize packets for quality of service
C.
To indicate the destination address
D.
To provide error detection
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Solution
The flow label field in an IPv6 header is used to identify packets that require special handling, such as for quality of service (QoS) purposes.
Correct Answer:
B
— To prioritize packets for quality of service
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Q. What is the purpose of the IPv6 flow label field?
A.
To identify the source of the packet
B.
To prioritize packets for quality of service
C.
To indicate the destination address
D.
To provide error detection
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Solution
The flow label field in an IPv6 header is used to identify packets that require special handling, such as for quality of service (QoS) purposes.
Correct Answer:
B
— To prioritize packets for quality of service
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Q. What is the purpose of the IPv6 flow label field?
A.
To identify the source of the packet
B.
To prioritize packets for quality of service
C.
To indicate the destination address
D.
To provide error detection
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Solution
The flow label field in an IPv6 header is used to identify packets that require special handling, such as for quality of service (QoS) purposes.
Correct Answer:
B
— To prioritize packets for quality of service
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Q. What is the purpose of the IPv6 header's 'Next Header' field?
A.
To indicate the type of the next layer protocol
B.
To specify the source address
C.
To define the destination address
D.
To manage fragmentation
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Solution
The 'Next Header' field in the IPv6 header indicates the type of the next layer protocol, similar to the Protocol field in IPv4.
Correct Answer:
A
— To indicate the type of the next layer protocol
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Q. What is the purpose of the IPv6 header?
A.
To encapsulate data for transmission
B.
To provide error detection
C.
To manage routing information
D.
To define the maximum transmission unit
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Solution
The IPv6 header encapsulates data for transmission across networks, containing essential information for routing and delivery.
Correct Answer:
A
— To encapsulate data for transmission
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Q. What is the purpose of the IPv6 link-local address?
A.
To communicate with devices on the same local network
B.
To route packets across the internet
C.
To provide a unique global address
D.
To facilitate NAT operations
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Solution
IPv6 link-local addresses are used for communication between nodes on the same local network segment and are not routable beyond that segment.
Correct Answer:
A
— To communicate with devices on the same local network
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Q. What is the purpose of the IPv6 link-local address?
A.
To communicate with devices on the same local network
B.
To route packets across the internet
C.
To provide a unique global address
D.
To facilitate NAT operations
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Solution
IPv6 link-local addresses are used for communication between nodes on the same local network segment and are not routable beyond that segment.
Correct Answer:
A
— To communicate with devices on the same local network
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Q. What is the purpose of the IPv6 link-local address?
A.
To communicate with devices on the same local network
B.
To route packets across the internet
C.
To provide a unique global address
D.
To facilitate NAT operations
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Solution
IPv6 link-local addresses are used for communication between nodes on the same local network segment and are not routable beyond that segment.
Correct Answer:
A
— To communicate with devices on the same local network
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Q. What is the size of an IPv6 address?
A.
32 bits
B.
64 bits
C.
128 bits
D.
256 bits
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Solution
An IPv6 address is 128 bits long, which allows for a significantly larger number of unique addresses compared to the 32-bit IPv4 address.
Correct Answer:
C
— 128 bits
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Q. What is the size of an IPv6 address?
A.
32 bits
B.
64 bits
C.
128 bits
D.
256 bits
Show solution
Solution
An IPv6 address is 128 bits long, which allows for a significantly larger number of unique addresses compared to the 32-bit IPv4 address.
Correct Answer:
C
— 128 bits
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Q. What is the size of an IPv6 address?
A.
32 bits
B.
64 bits
C.
128 bits
D.
256 bits
Show solution
Solution
An IPv6 address is 128 bits long, which allows for a significantly larger number of unique addresses compared to the 32-bit IPv4 address.
Correct Answer:
C
— 128 bits
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Q. Which IPv6 address type is used for multicast communication?
A.
Global unicast address
B.
Link-local address
C.
Multicast address
D.
Anycast address
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Solution
Multicast addresses in IPv6 are specifically designed for one-to-many communication, allowing a single packet to be sent to multiple destinations.
Correct Answer:
C
— Multicast address
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Q. Which IPv6 address type is used for multicast communication?
A.
Global unicast address
B.
Link-local address
C.
Multicast address
D.
Anycast address
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Solution
Multicast addresses in IPv6 are specifically designed for one-to-many communication, allowing a single packet to be sent to multiple destinations.
Correct Answer:
C
— Multicast address
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Q. Which IPv6 address type is used for multicast communication?
A.
Global unicast address
B.
Link-local address
C.
Multicast address
D.
Anycast address
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Solution
Multicast addresses in IPv6 are specifically designed for one-to-many communication, allowing a single packet to be sent to multiple destinations.
Correct Answer:
C
— Multicast address
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Q. Which of the following is a benefit of using IPv6 over IPv4?
A.
Reduced packet size
B.
Improved routing efficiency
C.
Increased security through mandatory IPsec
D.
Lower latency
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Solution
IPv6 includes mandatory support for IPsec, which enhances security compared to IPv4.
Correct Answer:
C
— Increased security through mandatory IPsec
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Q. Which of the following is a key feature of IPv6?
A.
NAT (Network Address Translation)
B.
Stateless Address Autoconfiguration (SLAAC)
C.
Broadcast communication
D.
IPv4 compatibility
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Solution
Stateless Address Autoconfiguration (SLAAC) is a key feature of IPv6 that allows devices to automatically configure their own IP addresses without the need for a DHCP server.
Correct Answer:
B
— Stateless Address Autoconfiguration (SLAAC)
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