多选题Which of the following if addresses can be assigned to host devices?（）A205.7.8. 32/27B191.168. 10. 2/23C127.0.0.1D224.0.0.10E203.123.45. 47/28F10.10.0.0/13

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第3题：

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

正确答案:B,D

第4题：

Which of the following host addresses are members of networks that can be routed across the public Internet?（）

• A、10.172.13.65
• B、172.16.223.125
• C、172.64.12.29
• D、192.168.23.252
• E、198.234.12.95
• F、212.193.48.254

正确答案:C,E,F

第5题：

Which of the following if addresses can be assigned to 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

正确答案:B,F

第6题：

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

正确答案:B,C,D

第7题：

Which of the following IP addresses for the network 27.35.16.32/28 can be assigned to hosts?（）

• A、27.35.16.32
• B、27.35.16.33
• C、27.35.16.48
• D、27.35.16.47
• E、27.35.16.45
• F、27.35.16.44

正确答案:B,E,F

第8题：

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

正确答案:B,C,E

第9题：

Which of the following are advantages of using Dynamic Host Configuration Protocol?（）

• A、IP addresses can be managed from a central point
• B、Computers can automatically get new addressing when moved to a different network segment
• C、Media Access Control addresses can be changed automatically
• D、The network speed can automatically adjust based on the type of traffic being generated
• E、The HOSTS file on the computer can be validated for proper entries

正确答案:A,B

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第15题：

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

正确答案:B,F

第16题：

Which statement is true about IPv6?（）

• A、Only one IPv6 address can be assigned to each interface.
• B、IPv6 hosts use anycast addresses to assign IP addresses to interfaces.
• C、Each host can a utoconfigure its address without the aid of a DHCP server.
• D、Only one IPv6 address is assigned per node.

正确答案:C

第17题：

Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? （）

• A、IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.
• B、IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.
• C、Hosts can be  configured to receive both IPv4 and IPv6 addresses via DHCP.
• D、Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.
• E、IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.

正确答案:A,C

第18题：

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.

正确答案:D

第19题：

How dose a DHCP server dynamically assign IP address to host?（）

• A、Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
• B、Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made,and another address is then assigned.
• C、Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
• D、Addresses are permanently assigned so that the host uses the same address at all times.

正确答案:C

第20题：

Which three options are supported as address allocation mechanisms for DHCP on Cisco routers?（）

• A、The IP address can be automatically assigned to a host.
• B、The IP address can be assigned as a random hash value of the burned - in - address of the lowest - numbered LAN interface on the router.
• C、The network administrator can assign a speci fic IP address to a specific host MAC address.
• D、The IP address can be assigned from configured pools in a reverse lexicographical order.
• E、The IP address can be assigned to a host for a limited time or until the host explicitly releases the address.
• F、The IP address can be assigned to a host until the host usurps the assigned value using its own dynamic override mechanism.

正确答案:A,C,E

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