A IP address contains a network address and

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• How does a DHCP server dynamically assign IP addresses to hosts?（）

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

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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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• What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）

  A . 201.100.5.0 B . 201.100.5.32 C . 201.100.5.64 D . 201.100.5.65 E . 201.100.5.31 F . 201.100.5.1

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• At boot time， which of the following services utilizes a central server to assign IP addresses to a host？（）

  A . LDAP B . bootp C . DHCP D . bind

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• Which of the following is a requirement for configuring a service IP address using IPAT via Replacement？（）

  A . The service IP must be in the same logical subnet as all boot IP addresses B . The service IP must be in a different logical subnet to all boot IP addresses C . The service IP must be in the same logical subnet as the persistent IP addresses D . The service IP must be in the same logical subnet as one of the boot IP addresse

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• Refer to the exhibit. A packet with a source IP address of 192.168.2.4 and a destination IP address of 10.1.1.4 arrives at the HokesB router. What action does the router take？（）https://assets.asklib.com/images/image2/2018072315292175903.jpg

  A .  forwards the received packet out the Serial0/0 interface B .  forwards a packet containing an EIGRP advertisement out the Serial0/1 interface  C .  forwards a packet containing an ICMP message out the FastEthernet0/0 interface D .  forwards a packet containing an ARP request out the FastEthernet0/1 interface

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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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• A（Address）记录是用来指定主机名（或域名）对应的IP地址记录。

  A . 正确 B . 错误

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• Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）

  A . Layer 2 TTL B . Layer 3 TTL C . Layer 3 source address D . Layer 3 destination addre

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• 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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• How is an IP address removed from a network interface？（）

  A . rmdev -dl ent0 B . ifconfig en0 down C . ifconfig en0 delete D . ifconfig ent0 detach

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• Which subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs, with each LAN containing 5 to 26 hosts?（）

  A . 0.0.0.240 B . 255.255.255.252 C . 255.255.255.0 D . 255.255.255.224 E . 255.255.255.240

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• Your network contains an Active Directory domain. The domain contains a DHCP server named Server1.You create a scope named Scope1 on Server1.You need to prevent unauthorized DHCP clients from receiving addresses from Server1.What should you do？（）

  A . From the DHCP console, configure filters. B . From the Local Security Policy console, modify the network settings. C . From the Local Users and Groups console, modify the membership of the DHCP Users group. D . From the Netsh tool, change to the DHCP Server context, and then run the initiate auth command.

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• What is the network address for a host with the IP address 201.100.5.68/28?（）

  A . 201.100.5.0 B . 201.100.5.32 C . 201.100.5.64 D . 201.100.5.65 E . 201.100.5.31 F . 201.100.5.1

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• 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 ofthe agreement. B . Addresses are assigned for a fixed period of time.At the end of period，a newquest for an address mustbe made ，and another address is then assigned. C . Addresses are leased to host.A host will usually keep the same address by periodicallycontacting theDHCP sever to renew the lease. D . Addresses are permanently assigned so that the host uses the same address at all times.

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• Which one of the following varieties of NAT utilizes different ports to map multiple IP addresses to a single globally registered IP address?（）

  A . Static NAT B . Port loading C . NAT Overloading D . Dynamic NAT E . None of the above

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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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• Given a new implementation， which of the following procedures should be used to determine a default gateway’s IP address？（）

  A . The address will always end in 255. B . The address will always be the first interface’s IP address C . The address will always be the network with a 1 as the final octet. D . It is important to consult with the network administrator prior to making assumptions regarding the default gateway’s IP addre

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• Out of which port on Sw-Ac3 would a frame containing an IP packet with a destination address that is not on a local LAN be forwarded?（）https://assets.asklib.com/images/image2/2018073017053476385.png

  A . Fa0/1 B . Fa0/3 C . Fa0/4 D . Fa0/8 E . Fa0/9 F . Fa0/12

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• What is the purpose of assigning an IP address to a switch?（）

  A . Provides local hosts with a default gateway address B . Allows remote management of the switch. C . Allows the switch to respond to ARP requests between two hosts D . Ensures that hosts on the same LAN can communicate with each other.

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• For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?（）

  A . 192.0.2.0 B . 192.0.2.255 C . 192.0.3.255 D . 192.0.4.0

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• Which remote access VPN addressing technique supports a static IP address to support a specific application？（）

  A .  Use a static ip addresses based on incoming user policies. B .  Use DHCP to assign addresses based on incoming user policies. C .  Deploy a clientless model to assign a unique address to the user. D .  Deploy RADIUS or LDAP to assign the address to the user.

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• As for contact information, a company’s physical address, zip code, telephone number and website are often contained in its profile.

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• you have a DHCP server named server1 and an application server named server2. Both servers run windows server 2008. The DHCP server contains one scope. You need to ensure that server2 always receives the same ip address. Server2 must receive its DNS settings and its wins settings from DHCP.What should you do？（）

  A.Create a multicast scope. B.Assign a static ip address to server2. C.Create an exclusion range in the DHCP scope. D.Create a DHCP reservation in the DHCP scope.

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