Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet?（）

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• A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）

  A . The default gateway is configured on a different subnet form this host. B . The host is a member of the fifth usable subnet of the 192.168.16.0 network. C . The subnetwork address for this host is 192.168.16.160/28. D . The address of the next higher subnet is 192.168.16.192. E . The address of the router interface that is attached to this subnetwork is 192.168.16.190. F . There are 60 usable host addresses on this subnet.

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• The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?（）

  A . 210 B . 224 C . 240 D . 248 E . 252

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• The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?（）

  A . 4 networks with 64 hosts B . 64 networks and 4 hosts C . 2 networks and 62 hosts D . 62 networks and 2 hosts E . 6 network and 30 host

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• Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. （）

  A . 192.168.27.33 B . 192.168.27.112 C . 192.168.27.119 D . 192.168.27.126 E . 192.168.27.175 F . 192.168.27.208

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• The TestKing network is subnetted using 29 bits for the subnet mask. Which wild card mask should be used to configure an extended access list to permit or deny access to an entire subnetwork?（）

  A . 255.255.255.224 B . 255.255.255.248 C . 0.0.0.224 D . 0.0.0.8 E . 0.0.0.7 F . 0.0.0.3

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• Your ISP has assigned you the following IP address and subnet mask: IP address: 199.141.27.0 Subnet mask: 255.255.255.240 Which of the following addresses can be allocated to hosts on the resulting subnet?（）

  A . 199.141.27.2 B . 199.141.27.175 C . 199.141.27.13 D . 199.141.27.11 E . 199.141.27.208 F . 199.141.27.112

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• A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0.  Once a ping is attempted， it fails.  Which of the following options is the most probable cause of the failed ping？（）

  A . 0 is not valid in an IP address B . 128 is a reserved network C . The subnet mask should be 255.255.0.0. since it is a class B D . A network problem has occurred since IP and subnet are valid

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• You have a class B network with a 255.255.255.0 mask. Which of the statements below are true of this network?（）

  A . There are 254 usable subnets. B . There are 256 usable hosts per subnet. C . There are 50 usable subnets. D . There are 254 usable hosts per subnet. E . There are 24 usable hosts per subnet. F . There is one usable network.

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• How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of /26? （）

  A . 64 network and 4 hosts B . 4 network and 64 hosts C . 2 network and 62 hosts D . 62 network and 2 host

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• In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet mask is the most efficient for point-to-point serial links（）。

  A . 255.255.255.0 B . 255.255.255.240 C . 255.255.255.248 D . 255.255.255.252 E . 255.255.255.254

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• In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet  mask is the most efficient for point-to-point serial links? （）

  A . 255.255.255.0 B . 255.255.255.240 C . 255.255.255.248 D . 255.255.255.252 E . 255.255.255.254

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• Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0?（）

  A . 113.10.4.0 B . 186.54.3.0 C . 175.33.3.255 D . 26.35.3.255 E . 152.135.7.0 F . 17.35.36.0

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• A class B network 129.35 has 4 subnets and a netmask of 255.255.252.0 （11111111.11111111.11111100.00000000）. To which of the following subnets will the class B network deliver a packet of address 129.35.14.04 （10000001.00100011.00001110.00000100）？（）

  A . 129.35.12.0 B . 129.35.16.0 C . 129.35.52.0 D . 129.35.128.0

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• Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0？（）

  A . 113.10.4.0 B . 186.54.3.0 C . 175.33.3.255 D . 26.35.2.255 E . 17.35.36.0

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• Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

  A . 15.234.118.63 B . 92.11.178.93 C . 134.178.18.56 D . 192.168.16.87 E . 201.45.116.159 F . 217.63.12.192

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• The 213.115.77.0 network was subnetted using a /28 subnet mask. How many usable subnets and host addresses per subnet were created as a result of this?（）

  A . 2 networks with 62 hosts B . 6 networks with 30 hosts C . 16 networks and 16 hosts D . 62 networks and 2 hosts E . 14 networks and 14 hosts F . None of the above

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• What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that use the 255.255.255.224 subnet mask?（）

  A . 14 B . 15 C . 16 D . 30 E . 31 F . 32

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• Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0？（）

  A . 113.10.4.0 B . 186.54.3.0 C . 175.33.3.255 D . 26.35.2.255 E . 17.35.36.0

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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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• TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）

  A . 199.141.27.33 B . 199.141.27.112 C . 199.141.27.119 D . 199.141.27.126 E . 199.141.27.175 F . 199.141.27.208

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• The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?（）

  A . 1 network with 254 hosts B . 4 networks with 128 hosts C . 2 networks with 24 hosts D . 6 networks with 64 hosts E . 8 networks with 36 host

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• Which of the following routing protocols support the use of VLSM (Variable Length Subnet Masking)?（）

  A . RIPv1 B . EIGRP C . OSPF D . IGRP E . RIPv2

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• Which of the following are true regarding a network using a subnet mask of 255.255.248.0?（）

  A . It corresponds to a Class A address with 13 bits borrowed. B . It corresponds to a Class B address with 4 bits borrowed. C . The network address of the last subnet will have 248 in the 3rd octet. D . The first 21 bits make the host portion of the address. E . This subnet mask allows for 16 total subnets to be created. F . The subnetwork numbers will be in multiples of 8.

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• Subnet mask is 255.255.255.128. How many NE addresses are available in each subnet？（)

  A．64 B．126 C．124 D．62

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