以下属于DHCP SERVER发出的报文有（）A、DHCP DISCOVERB、DHCP ACKC、DHCP INFORMD、DHCP REQUEST
以下属于DHCP SERVER发出的报文有（）
- A、DHCP DISCOVER
- B、DHCP ACK
- C、DHCP INFORM
- D、DHCP REQUEST
相关考题：
某公司使用Windows 2003 DHCP服务器对内部主机的IP地址进行管理，DHCP服务器的新律作用域及新建保留配置如图2和图3所示。某DHCP客户机从该DHCP服务器获取IP地址过程中，在客户机捕获的报文及相关分析如图4所示。请补充图4中 (11) 到 (15) 的信息。DHCP:——DHCP Header——DHCP: Boot record type=2 (Reply)DHCP: Hardware address type=1(lOM Ethernet)DHCP: Hardware address length=6 bytesDHCP: Hops=0DHCP: Transaction id=2219231DDHCP: Elapsed boot time=0 secondsDHCP: Flags=0000DHCP: 0=no broadcastDHCP: Client self-assigned address=[0.0.0.0]DHCP: Client address= (14)DHCP: Next Server to use in bootstrap=[0.0.0.0]DHCP: Relay Agent=[0.0.0.0]DHCP: Client hardware address=001122334455DHCP: Message Type=5 (DHCPAck)DHCP: Address renewel interval=345600 (seconds)DHCP: Address rebinding interval=604800 (seconds)DHCP: Request IP Address lease time=691200 (seconds)DHCP: Subnet mask= (15)图4在DHCP客户机上捕获的报文及第4条报文的分析(11)
In a Bridged 1483 network,which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 1.1.1.1?() A.set dhcp relay set dhcp server 1.1.1.1B.set dhcp relay agent set dhcp relay 1.1.1.1C.enable dhcp relay enabled hcp server 1.1.1.1D.enable dhcp relay agent enable dhcp relay 1.1.1.1
In a Bridged 1483 network, which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 3.3.3.3?() A. set dhcp relay 3.3.3.3 set dhcp relay agentB. enable dhcp relay agent set dhcp relay agentC. set dhcp server 3.3.3.3 enable dhcp relay agentD. enable dhcp server 3.3.3.3 enable dhcp relay agent
在客户端通过DHCP申请IP地址和DHCP server分配IP地址的过程中,以下哪个报文是单播()。 A.DHCP OFFERB.DHCP REQUESTC.DHCP DISCOVERD.以上都不是
在DHCP运行过程中,客户端IP地址租约到期的话会进行续约,如果客户端IP地址在租约过去87.5%还没有完成续约的话,客户将发起续约,其报文为()。 A.DHCP discover广播报文B.DHCP release单播报文C.DHCP request广播报文D.DHCP request单播报文
DHCP客户机首次启动时需发送（请作答此空）报文请求分配IP地址，该报文中目的主机地址为（ ）。A.Dhcp DiscoveryB.Dhcp AckC.Dhcp FindD.Dhcp Offer
下面是DHCP协议工作的4种消息，正确的顺序应该是（40） 。①DHCP Discovery②DHCP Offer③DHCP Request④DHCP AckA.①③②④ B.①②③④ C.②①③④ D.②③①④
下面是DHCP协议工作的4种消息，正确的顺序应该是（ ） 。①DHCP Discovery②DHCP Offer③DHCP Request④DHCP AckA.①③②④B.①②③④C.②①③④D.②③①④
如果DHCP客户端发现分配的IP地址已经被使用，客户端向服务器发出（69）报文，拒绝该IP地址。A.DHCP ReleaseB.DHCP DeclineC. DHCP NackD.DHCP Renew
Which of the following types of attacks does DHCP snooping prevent？（Choose all that apply.）（）A、Attacker sends multiple DHCP requests flooding DHCP serverB、Attacker connects rogue server initiating DHCP requestsC、Attacker connects rogue server replying to DHCP requestsD、Attacker sends DHCP jam signal causing DHCP server to crashE、Attacker sends gratuitous ARP replies， thereby jamming the DHCP serverF、Attacker sends unsolicited DHCP replies， thereby jamming the DHCP server
As the network technician at Company， you need to configure DHCP snooping on a new switch. Which three steps are required？ （）A、 Configure the switch to insert and remove DHCP relay information （option-82 field） in forwarded DHCP request messages.B、 Configure DHCP snooping globally.C、 Configure the switch as a DHCP server.D、 Configure DHCP snooping on an interface.E、 Configure all interfaces as DHCP snooping trusted interfaces.F、 Configure DHCP snooping on a VLAN or range of VLANs.
Which CLI command enables the DHCP External Server function on an E-series router?（）A、service dhcp-externalB、set dhcp external serverC、set dhcp-external serverD、dhcp external server
DHCP客户端向DHCP服务器发送（）报文进行IP租约的更新？A、DHCP RequestB、DHCP ReleaseC、DHCP InformD、DHCP DeclineE、DHCP ACKF、DHCP OFFER
如果DHCP客户端发送给DHCP 中继的DHCP Discovery报文中的广播标志位置0，那么DHCP中继回应DHCP客户端的DHCP Offer报文采用（）。A、unicastB、broadcastC、multicastD、anycast
DHCP客户端收到DHCP ACK报文后如果发现自己即将使用的IP地址已经存在于网络中，那么它将向DHCP服务器发送什么报文？（）A、DHCP RequestB、DHCP ReleaseC、DHCP InformD、DHCP Decline
基站盲启的正确流程是（）A、DHCP Discover-DHCP Offer-DHCP Request-DHCP AckB、DHCP Request-DHCP Ack-DHCP Discover-DHCP OfferC、DHCP Request-DHCP Offer-DHCP Discover-DHCP AckD、DHCP Discover-DHCP Ack-DHCP Request-DHCP Offer
In a Bridged 1483 network, which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 3.3.3.3?（）A、set dhcp relay 3.3.3.3 set dhcp relay agentB、enable dhcp relay agent set dhcp relay agentC、set dhcp server 3.3.3.3 enable dhcp relay agentD、enable dhcp server 3.3.3.3 enable dhcp relay agent
In a Bridged 1483 network,which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 1.1.1.1?（）A、set dhcp relay set dhcp server 1.1.1.1B、set dhcp relay agent set dhcp relay 1.1.1.1C、enable dhcp relay enabled hcp server 1.1.1.1D、enable dhcp relay agent enable dhcp relay 1.1.1.1
You are designing a DHCP strategy to meet the business and technical requirements. What should you do？（）A、 Install one DHCP server in each branch office and one DHCP server in Los Angeles.B、 Install one DHCP server in each branch office and two DHCP servers in Los Angeles.C、 Install two DHCP servers in each branch office and one DHCP server in Los Angeles.D、 Install two DHCP servers in each branch office and two DHCP servers in Los Angeles.
You are designing a strategy to assign the IP addresses to meet the business and technical requirement. Which two actions should you perform?（）A、Install and Configure one DHCP server in Atlanta and one DHCP server in each branch office.B、Install and Configure two DHCP servers in Atlanta and two DHCP servers in each branch office. C、Create one scope on each DHCP server. Specify one DHCP server to always update DNS records. Configure the scope to assign half of the IP addresses available to each office. D、Create two scopes on each DHCP server. Specify one DHCP server to update DNS records only for client computers that request it. Specify a second DHCP server to never update DNS records.
多选题Which of the following types of attacks does DHCP snooping prevent？（Choose all that apply.）（）AAttacker sends multiple DHCP requests flooding DHCP serverBAttacker connects rogue server initiating DHCP requestsCAttacker connects rogue server replying to DHCP requestsDAttacker sends DHCP jam signal causing DHCP server to crashEAttacker sends gratuitous ARP replies， thereby jamming the DHCP serverFAttacker sends unsolicited DHCP replies， thereby jamming the DHCP server