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单选题
How many usable IP addresses can you get from a conventional Class C address?（）
A
128
B
192
C
254
D
256
E
510
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Which of the following are advantages of using Dynamic Host Configuration Protocol?()
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A house is the most expensive thing most people will ever buy．Very few people have enough money of their own to buy a house，so they have to borrow money from a bank．Borrowing moneyfrom a bank to buy a house is called“take a mortgage”．The bank usually lends money or gives a me．gage for twenty—five years．Houses are so expensive that many people nowadays have to borrow as much as$50，000．In other words，they will have a$50，000 mortgage．
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How can I get to the nearest post office?（）AIt is a long way from here.BSorry, I am new here.CWhy don't you walk?DHere it is.
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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 hostsB、4 networks with 128 hostsC、2 networks with 24 hostsD、6 networks with 64 hostsE、8 networks with 36 hosts
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In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（） A、 two IP addresses， one for each supervisorB、 three IP addresses， one virtual IP and one physical IP for each supervisorC、 one IP address that is shared among supervisorsD、 none—management 0 will use the IP address from the first SVI that is created
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How many usable IP addresses can you get from a conventional Class C address?（）A、128B、192C、254D、256E、510
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How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet?（）A、8 subnets, 31 hostsB、8 subnets, 32 hostsC、16 subnets, 30 hostsD、16 subnets, 32 hostsE、A Class B address can't be subnetted into the fourth octet.
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Which of the following are advantages of using Dynamic Host Configuration Protocol?（）A、IP addresses can be managed from a central pointB、Computers can automatically get new addressing when moved to a different network segmentC、Media Access Control addresses can be changed automaticallyD、The network speed can automatically adjust based on the type of traffic being generatedE、The HOSTS file on the computer can be validated for proper entries
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单选题You are designing an IP addressing strategy for your VPN solution. How many public addresses should you use？（）A
1B
25C
50D
255
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填空题How many First Class return tickets can you get if you win the first prize?____ return tickets.
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单选题Acme Nutrition manufactures a wide variety of vitamin supplements. It has a single manufacturing facility with 3 regional warehouses and 16 district sales offices. Currently the manufacturing facility requires 210 IP addresses; each warehouse requires 51 IP addresses; each district sales office requires 11 IP addresses; and the IP WAN requires 38 IP addresses. if Acme Nutrition plans for 20 percent growth in facilities, how many Class C subnets will the district sales offices require?（）A
19 (3 from the warehouse range and 16 from a separate Class C address)B
19 (3 from the warehouse block, 15 from a separate Class C block and 1 from the IP WAN block)C
20 (4 from the warehouse range,15 from a separate Class C block and 1 from the IP WAN block)D
16 (3 from the warehouse range and 13 from a separate Class C address)
考题
单选题Acme Nutrition manufactures a wide variety of vitamin supplements. It has a single manufacturing facility with 3 regional warehouses and 16 district sales offices. Currently the manufacturing facilityrequires 210 IP addresses； each warehouse requires 51 IP addresses； each district sales officerequires 11 IP addresses； and the IP WAN requires 38 IP addresses. if Acme Nutrition plans for20 percent growth in facilities， how many Class C subnets will the district sales offices require？（）A
19 （3 from the warehouse range and 16 from a separate Class C address）B
19 （3 from the warehouse block， 15 from a separate Class C block and 1 from the IP WAN block）C
20 （4 from the warehouse range，15 from a separate Class C block and 1 from the IP WAN block）D
16 （3 from the warehouse range and 13 from a separate Class C address）
考题
单选题How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet?（）A
8 subnets, 31 hostsB
8 subnets, 32 hostsC
16 subnets, 30 hostsD
16 subnets, 32 hostsE
A Class B address can't be subnetted into the fourth octet.
考题
单选题In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（）A
two IP addresses， one for each supervisorB
three IP addresses， one virtual IP and one physical IP for each supervisorC
one IP address that is shared among supervisorsD
none—management 0 will use the IP address from the first SVI that is created
考题
单选题How many IP addresses can be configured in a given interface？（）A
one primary and one secondary IP addressB
one IP addressC
as many IP addresses as you wantD
one primary and multiple secondary IP addresses
考题
单选题You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0.How many usable host addresses will there be per subnet?（）A
510B
1022C
2046D
8190
考题
单选题You are designing an IP addressing strategy for your VPN solution. How many public addresses should you use?（）A
1B
25C
50D
255
考题
单选题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 hostsB
4 networks with 128 hostsC
2 networks with 24 hostsD
6 networks with 64 hostsE
8 networks with 36 hosts
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