Which of the addresses below is an example of a valid unicast address?（）

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• Which statement describes the process of dynamically assigning IP addresses by the DHCP server?（）

  A . Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. B . Addresses are permanently assigned so that the hosts uses the same address at all times. C . Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made. D . Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.

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• Which of the following IP addresses is a private IP address? Select all that apply.（）

  A . 12.0.0.1 B . 168.172.19.39 C . 172.20.14.36 D . 172.33.194.30 E . 192.168.42.34

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• Which of the following types of NAT allows multiple private internal IP addresses to use a singlepublic external IP address？（）

  A . NAT mapping B . NAT overloading C . NAT caching D . Static NAT E . Dynamic NAT F . Overlapping NAT

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• Which two IP multicast addresses belong to the group represented by the MAC address of 0x01-00-5E-15-6A-2C？ （）

  A .  224.21.106.44 B .  224.25.106.44 C .  233.149.106.44 D .  236.25.106.44 E .  239.153.106.44

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• Which of the following describe private IP addresses? (Choose two.)（）

  A . addresses chosen by a company to communicate with the Internet B . addresses that cannot be routed through the public Internet C . addresses that can be routed through the public Internet D . a scheme to conserve public addresses E . addresses licensed to enterprises or ISPs by an Internet registry organizatio

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• Which of the following class addresses is reserved for multicast？（）

  A .  Class A B .  Class B C .  Class C D .  Class D

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• Which of the following IP addresses fall into the CIDR block of 115.54.4.0/22? （）

  A . 115.54.8.32 B . 115.54.7.64 C . 115.54.6.255 D . 115.54.3.32 E . 115.54.5.128 F . 115.54.12.128

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• The company network is in the process of migrating the IP address scheme to use IPv6. Which of the following address types are associated with IPv6?（）

  A . Unicast B . Private C . Broadca st D . Public E . Multicast F . Anycast

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• Which two of the addresses below are available for host addresses on the subnet 192.168.15.19/28?（）

  A . 192.168.15.17 B . 192.168.15.14 C . 192.168.15.29 D . 192.168.15.16 E . 192.168.15.31 F . None of the above

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• A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?（）

  A . 201.57.78.33 B . 201.57.78.64 C . 201.57.78.97 D . 201.56.78.97 E . 201.57.78.159 F . 201.57.78.254

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• Which of the following describe private IP addresses?（）

  A . Addresses chosen by a company to communicate with the Internet. B . Addresses that cannot be routed through the public Internet. C . Addresses that can be routed through the public Internet. D . A scheme to conserve public addresses. E . Addresses licensed to enterprise or ISPs by an Internet registry organization.

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• Which of the following are considered private IPv4 addresses?（）

  A . 192.16.1.1 B . 172.35.1.1 C . 225.0.0.1 D . 127.0.0.1 E . 10.1.1.1

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• Which of the following virtual MAC addresses is correct for the HSRP group 22？（）

  A . 0000.0c70.ac22 B . 0000.0c07.22ac C . 0000.0c07.acl6 D . 0000.0c07.ac22 E . 0000.0c70.cala F . 0000.0d22.ac07

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• Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22?（）

  A . 115.64.8.32 B . 115.64.7.64 C . 115.64.6.255 D . 115.64.3.255 E . 115.64.5.128 F . 115.64.12.128

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• which address range efficiently summarizes the routing table of the addresses for router main?（）

  A . 172.16.0.0/18 B . 172.16.0.0/16 C . 172.16.0.0/20 D . 172.16.0.0/21

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• Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22？（）

  A .  115.64.8.32 B .  115.64.7.64 C .  115.64.6.255 D .  115.64.3.255 E .  115.64.5.128 F .  115.64.12.128

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• Which of the following options is a valid host IP address？（）

  A . 129.0.0.99 B . 129.255.0.1 C . 224.0.0.1 D . 254.0.0.1

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• Which of the following IP addresses can be assigned to the host devices?（）

  A . 205.7.8.32/27 B . 191.168.10.2/23 C . 127.0.0.1 D . 224.0.0.10 E . 203.123.45.47/28 F . 10.10.0.0/13

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• Which of the following options is representative of a Class B address？（）

  A . 128.55.103.2 B . 195.201.22.11 C . 227.100.100.1 D . 120.102.27.120

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• The internet address 198.102.27.120 represents which of the following addresses？（）

  A . Class A B . Class B C . Class C D . Class D

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• Which of the following address is the most appropriate?

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• Which of the following areas are addressed in risk identification:

  A environmental B technical C legal D All of the above. E A and B only

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• Which of the following commands can be used to view the MAC address of adjacent NE？（)

  A．A.show lacp sys B．B.show lldp e C．C.show lldp ne D．D.show running

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