LAN Switching and Wireless

421. In IPv6, _________ address defines a group of computers with addresses that have the same prefix.

1. a unicast
2. a multicast
3. an anycast
4. none of the above

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422. In IPv6, _________ address defines a group of computers.

1. a unicast
2. a multicast
3. an anycast
4. none of the above

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423. In IPv6, _________ address defines a single computer.

1. a unicast
2. a multicast
3. an anycast
4. none of the above

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424. In IPv6, a _________ address comprises 80 bits of zero, followed by 16 bits of one, followed by the 32-bit IPv4 address.

1. link local
2. site local
3. mapped
4. none of the above

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425. In IPv6, a _________ address is an address of 96 bits of zero followed by 32 bits of IPv4 address.

1. link local
2. site local
3. mapped
4. none of the above

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426. In IPv6, a _________ address is used if a LAN uses the Internet protocols but is not connected to the Internet for security reasons.

1. link local
2. site local
3. mapped
4. none of the above

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427. In IPv6, a _________address is used if a site with several networks uses the Internet protocols but is not connected to the Internet for security reasons.

1. link local
2. site local
3. mapped
4. none of the above

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428. In IPv6, the _________ prefix defines the purpose of the address.

1. type
2. purpose
3. both a and b
4. none of the above

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429. In IPv6, the_________ address is generally used by a normal host as a unicast address.

1. provider-based unicast
2. link local
3. site local
4. none of the above

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430. In Manchester and differential Manchester encoding, the transition at the middle of the bit is used for _________.

1. bit transfer
2. baud transfer
3. synchronization
4. none of the above

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