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单选题
What is used to segment larger networks into smaller networks?（）
A
supernet masks
B
subnet masks
C
wildcard masks
D
route filtering
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On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?A．Deleting unusable addresses through the creation of many subnets.B．Combining routes to multiple networks into one supernet.C．Reclaiming unused space by means of changing the subnet size.D．Calculating the available host addresses in the AS.E．None of the above
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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 and 64 hostsB．64 networks and 4 hostsC．4 networks and 62 hostsD．62 networks and 2 hostsE．6 network and 30 hosts
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You need subnet a Ezonexam network segment. How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?A. 30 networks and 6 hosts.B. 6 networks and 30 hosts.C. 8 networks and 32 hosts.D. 32 networks and 18 hosts.E. 16 networks and 14 hosts.F. None of the above
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You have been asked to use a 30 bit subnet mask to segment the following network block: 108.12.5.0. How many useable subnetworks and usable hosts could be created?()
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What is used to segment larger networks into smaller networks?()
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What are two characteristics of RIPv2?()
A. classful routing protocolB. variable-length subnet masksC. broadcast addressingD. manual route summarizationE. uses SPF algorithm to compute path
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IP routing protocols， such as OSPF and Enhanced EIGRP， are used primarily in network designs that contain entry and exit points to the network from service providers. What is a common trait of IP routing protocols？（） A、 They add needed overhead in smaller deployments.B、 They are essential for optimum and redundant forwarding.C、 They are used primarily in larger network designs，to support different networks and single entry and exit points.D、 They are usually necessary in smaller deployments.
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On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?（）A、Deleting unusable addresses through the creation of many subnets.B、Combining routes to multiple networks into one supernet.C、Reclaiming unused space by means of changing the subnet size.D、Calculating the available host addresses in the AS.
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What is the purpose of the spanning-tree algorithm in a switched LAN?（）A、To provide a monitoring mechanism for networks in switched environments.B、To manage VLANs across multiple switches.C、To prevent switching loops in networks with redundant switched paths.D、To segment a network into multiple collision domains.E、To prevent routing loops in networks.
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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 hostsB、6 networks with 30 hostsC、16 networks and 16 hostsD、62 networks and 2 hostsE、14 networks and 14 hostsF、None of the above
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In a switched LAN network, what is the Spanning-Tree algorithm used for?（）A、It is used to provide a mechanism for routing updates in switched environments.B、It is used to prevent routing loops in networks with redundant routes.C、It is used to prevent switching loops in networks with redundant switched routes.D、It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.E、It is used to segment a network into multiple collision domains.F、None of the above.G、All of the above are functions of STP.
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What are two characteristics of RIPv2？ （）A、classful routing protocolB、variable-length subnet masksC、broadcast addressingD、manual route summarizationE、uses SPF algorithm to compute path
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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 hostsB、64 networks and 4 hostsC、2 networks and 62 hostsD、62 networks and 2 hostsE、6 network and 30 hosts
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What is used to segment larger networks into smaller networks?（）A、supernet masksB、subnet masksC、wildcard masksD、route filtering
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You have been asked to use a 30 bit subnet mask to segment the following network block: 108.12.5.0. How many useable subnetworks and usable hosts could be created?（）A、32 networks with 8 hostsB、62 networks with 2 hostsC、30 networks with 16 hostsD、32 networks with 14 hosts
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What is the purpose of a network mask?（）A、It is used in conjunction with the wildcard mask to determine the number of hosts on a networkB、It is used to define which parts of the IP address are allocated to host addresses and network prefixesC、It is used to hide subnets from external networks by masking the subnets with NATD、It is used to differentiate a network as a classful network or a classless network
考题
单选题In a switched LAN network, what is the Spanning-Tree algorithm used for?（）A
It is used to provide a mechanism for routing updates in switched environments.B
It is used to prevent routing loops in networks with redundant routes.C
It is used to prevent switching loops in networks with redundant switched routes.D
It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.E
It is used to segment a network into multiple collision domains.F
None of the above.G
All of the above are functions of STP.
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单选题How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?（）A
30 networks and 6 hosts.B
6 networks and 30 hosts.C
8 networks and 32 hosts.D
32 networks and 18 hosts.E
14 networks and 14 hosts.F
None of the above
考题
单选题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 hostsB
6 networks with 30 hostsC
16 networks and 16 hostsD
62 networks and 2 hostsE
14 networks and 14 hostsF
None of the above
考题
单选题On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?（）A
Deleting unusable addresses through the creation of many subnets.B
Combining routes to multiple networks into one supernet.C
Reclaiming unused space by means of changing the subnet size.D
Calculating the available host addresses in the AS.
考题
单选题What is the purpose of a network mask?（）A
It is used in conjunction with the wildcard mask to determine the number of hosts on a networkB
It is used to define which parts of the IP address are allocated to host addresses and network prefixesC
It is used to hide subnets from external networks by masking the subnets with NATD
It is used to differentiate a network as a classful network or a classless network
考题
单选题You have been asked to use a 30 bit subnet mask to segment the following network block: 108.12.5.0. How many useable subnetworks and usable hosts could be created?（）A
32 networks with 8 hostsB
62 networks with 2 hostsC
30 networks with 16 hostsD
32 networks with 14 hosts
考题
单选题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 hostsB
64 networks and 4 hostsC
2 networks and 62 hostsD
62 networks and 2 hostsE
6 network and 30 hosts
考题
单选题What is the purpose of the spanning-tree algorithm in a switched LAN?（）A
To provide a monitoring mechanism for networks in switched environments.B
To manage VLANs across multiple switches.C
To prevent switching loops in networks with redundant switched paths.D
To segment a network into multiple collision domains.E
To prevent routing loops in networks.
考题
单选题IP routing protocols， such as OSPF and Enhanced EIGRP， are used primarily in network designs that contain entry and exit points to the network from service providers. What is a common trait of IP routing protocols？（）A
They add needed overhead in smaller deployments.B
They are essential for optimum and redundant forwarding.C
They are used primarily in larger network designs，to support different networks and single entry and exit points.D
They are usually necessary in smaller deployments.
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