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Host 1 sends a request for a file to remote sever1. Which destination address does Host 1 place f the packet containing the request()。
A.The Mac address of the NIC in Sever1
B.The IP address of Server 1.
C.The MAC address of the s0/0/0 interface of router R2
D.The IP address of the s0/0/0 interface of router R1
E.The IP address of the Fa0/0 interface of router R1
参考答案
更多 “ Host 1 sends a request for a file to remote sever1. Which destination address does Host 1 place f the packet containing the request()。 A.The Mac address of the NIC in Sever1B.The IP address of Server 1.C.The MAC address of the s0/0/0 interface of router R2D.The IP address of the s0/0/0 interface of router R1E.The IP address of the Fa0/0 interface of router R1 ” 相关考题
考题
获取客户端的IP用下列哪条语句?()
A.request.servervariables("REMOTE_HOST")B.request.servervariables("LOCAL_ADDR")C.request.servervariables("REMOTE_ADDR")D.request.servervariables("SERVER_PORT")
考题
If the PFE does not have a route to the destination address of a packet, which action will be taken?()
A.The PFE floods the packet out of all interfaces.B.The PFE drops the packet and sends a destination unreachable notification back to source device.C.The PFE forwards the packet to the routing engine for furtherprocessing.D.The PFE queues the packet and sends are quest for a layer3 lookup to the routing engine.
考题
When two hosts are trying to communicate across a network, how does the host originating the communication determine the hardware address of the host that it wants to "talk" to?()
A. RARP requestB. Show Network Address requestC. Proxy ARP requestD. ARP requestE. Show Hardware Address request
考题
Anytime a host or a router has an IP datagram to send to another host or router, it has the（ ）address of the receiver. This address is obtained from the DNS if the sender is the host or it is found in a routing table if the sender is a router. But the IP data gram must be（ ） in a frame to be able to pass through the physical network. This means that the sender needs the （ ）address of the receiver. The host or the router sends an ARP query packet. The packet includes the physical and IP addresses of the sender and the IP address of the receiver. Because the sender does not know the physical address of the receiver, the query is（ ） over the network.Every host or router on the network receives and processes the ARP query packet, but only the intended recipient recognizes its IP address and sends back an ARP response packet.The response packet contains the recipient's IP and physical addresses. The packet is（请作答此空） directly to the inquirer by using the physical address received in the query packet.
A. multicast
B. unicast
C. broadcast
D. multiple unicast
考题
Host 1 sends a request for a file to remote sever1. Which destination address does Host 1 place f the packet containing the request（）。A、The Mac address of the NIC in Sever1B、The IP address of Server 1.C、The MAC address of the s0/0/0 interface of router R2D、The IP address of the s0/0/0 interface of router R1E、The IP address of the Fa0/0 interface of router R1
考题
Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?（）A、Gateway DPB、Reverse ARPC、proxy ARPD、Inverse ARPE、indirect ARP
考题
Host 1 receives a file from remote server 1. Which MAC address appears as the source address in the header of the frames received by Host 1（）。A、The MAC address of the NIC in Host 1B、The MAC address of the NIC in server 1C、The MAC address of the Fa0/0 interface of router R1D、The MAC address of the s0/0/0 interface of the router R2
考题
Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。A、The IP address of sever 1.B、The MAC address of NIC in sever 1.C、The IP address of F0/0 interface of router R1.D、The MAC address of the Fa0/0 interface of router R1.E、The IP address of the s0/0/0 interface of router R2F、The MAC address of the s0/0/0 interface of router R2
考题
Host 1 has just started up and requests a web page from web server 2. Which two statements describe steps in the process Host 1 uses to send the request to web server 2 (choose two)（）。A、Host 1 addresses the frames to the MAC address of router R1B、Host 1 looks in its ARP cache for the MAC address of router R1C、Host 1 addresses the frames to the MAC address of web server 2D、Host 1 sends the packets to router R1 to be forwarded to web server 2E、Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2
考题
If the PFE does not have a route to the destination address of a packet， which action will be taken？（）A、The PFE floods the packet out of all interfaces.B、The PFE drops the packet and sends a destination unreachable notification back to source device.C、The PFE forwards the packet to the routing engine for further processing.D、The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
考题
When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）A、any route advertisements it has receivedB、prefixes for the linkC、keepalive timersD、IPv6 address for the hostE、request for the local host IP addressF、lifetime of the prefix
考题
When two hosts are trying to communicate across a network, how does the host originating thecommunication determine the hardware address of the host that it wants to "talk" to?（）A、RARP requestB、Show Network Address requestC、Proxy ARP requestD、ARP requestE、Show Hardware Address request
考题
Which destination addresses will be used by Host A to send data to Host C?（）A、the IP address of Switch 1B、the MAC address of Switch 1C、the IP address of Host CD、the MAC address of Host CE、the IP address of the router's E0 interfaceF、the MAC address of the router's E0 interface
考题
A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?（）A、The destination is a host on another subnet, so the router will not forward the packet.B、The destination is a host on the same subnet, so the router will forward the packet.C、The destination is a broadcast address, so the router will not forward the packet.D、The destination is a network address, so the router will forward the packet.
考题
An IPv6 host is configured to request a specific path through the network to reach a destination.Which IPv6 extension header should be used?（）A、RoutingB、Hop-by-HopC、FragmentationD、Destination Options
考题
单选题Host 1 sends a request for a file to remote sever1. Which destination address does Host 1 place f the packet containing the request（）。A
The Mac address of the NIC in Sever1B
The IP address of Server 1.C
The MAC address of the s0/0/0 interface of router R2D
The IP address of the s0/0/0 interface of router R1E
The IP address of the Fa0/0 interface of router R1
考题
单选题A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?（）A
The destination is a host on another subnet, so the router will not forward the packet.B
The destination is a host on the same subnet, so the router will forward the packet.C
The destination is a broadcast address, so the router will not forward the packet.D
The destination is a network address, so the router will forward the packet.
考题
单选题Host 1 receives a file from remote server 1. Which MAC address appears as the source address in the header of the frames received by Host 1（）。A
The MAC address of the NIC in Host 1B
The MAC address of the NIC in server 1C
The MAC address of the Fa0/0 interface of router R1D
The MAC address of the s0/0/0 interface of the router R2
考题
单选题R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。A
The frame does not have MAC addresses.B
The source MAC address in the frame is the MAC address of the NIC of Host 1.C
The source MAC address in the frame is the MAC address of the s0/0/0 interface of R1.D
The destination MAC address in the frame is the MAC address of the NICof server 1.E
The destination MAC address in the frame is the MAC address of the s0/0/0 interface of R2
考题
单选题Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。A
The IP address of sever 1.B
The MAC address of NIC in sever 1.C
The IP address of F0/0 interface of router R1.D
The MAC address of the Fa0/0 interface of router R1.E
The IP address of the s0/0/0 interface of router R2F
The MAC address of the s0/0/0 interface of router R2
考题
单选题If the PFE does not have a route to the destination address of a packet, which action will be taken?（）A
The PFE floods the packet out of all interfaces.B
The PFE drops the packet and sends a destination unreachable notification back to source device.C
The PFE forwards the packet to the routing engine for furtherprocessing.D
The PFE queues the packet and sends are quest for a layer3 lookup to the routing engine.
考题
单选题When two hosts are trying to communicate across a network, how does the host originating thecommunication determine the hardware address of the host that it wants to "talk" to?（）A
RARP requestB
Show Network Address requestC
Proxy ARP requestD
ARP requestE
Show Hardware Address request
考题
单选题Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?（）A
Gateway DPB
Reverse ARPC
proxy ARPD
Inverse ARPE
indirect ARP
考题
多选题Which destination addresses will be used by Host A to send data to Host C?（）Athe IP address of Switch 1Bthe MAC address of Switch 1Cthe IP address of Host CDthe MAC address of Host CEthe IP address of the router's E0 interfaceFthe MAC address of the router's E0 interface
考题
多选题Host 1 has just started up and requests a web page from web server 2. Which two statements describe steps in the process Host 1 uses to send the request to web server 2 (choose two)（）。AHost 1 addresses the frames to the MAC address of router R1BHost 1 looks in its ARP cache for the MAC address of router R1CHost 1 addresses the frames to the MAC address of web server 2DHost 1 sends the packets to router R1 to be forwarded to web server 2EHost 1 sends a broadcast ARP request to obtain the MAC address of webserver2
考题
单选题If the PFE does not have a route to the destination address of a packet， which action will be taken？（）A
The PFE floods the packet out of all interfaces.B
The PFE drops the packet and sends a destination unreachable notification back to source device.C
The PFE forwards the packet to the routing engine for further processing.D
The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
考题
问答题将下列的环境变量表示的含义写出来 1.REMOTE_ADDR 2.REQUEST_METHOD 3.REMOTE_HOST
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