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What is the network address for a host with the IP address 2

题目
单选题
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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相似问题和答案

第1题：

Given the host IP address of 192.168.100.60 and a network mask of 255.255.255.224 (or ／27), which address represents the correct network address for the referenced host?()

A.192.168.100.48

B.192.168.100.16

C.192.168.100.0

D.192.168.100.32


参考答案：D

第2题：

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


参考答案：C

第3题：

Every host and router on the Internet has an IP address, which encodes its

A．host number

B．host number and socket

C．network number

D．host number and network number


正确答案：D

第4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

答案：B
解析：
任何时候主机或路由器要发送 IP 数据报发送给另一主机或路由器时，都需要知道接收方的逻辑地址。发送主机从 DNS 获得该地址，发送路由器则在路由表中找到该地址。但 IP 数据报必须封装在帧中才能通过物理网络。这意味着发送者需要知道接收者的物理地址。主机或路由器需发送 ARP 查询报文，该报文分组包含发送者的物理地址和 IP 地址及接收者的 IP 地址。这是因为送者不知道接收者的物理地址，所以需在全网广播报文。网络上的每个主机或路由器都能接收并处理该 ARP 查询报文，但只有预期的接收者识别其 IP 地址并响应该 ARP 报文。响应报文包含接收者的 IP 地址和物理地址。包含了接收者物理地址的响应报文分组通过单播的方式直接发送给发送者。

第5题：

A host is attempting to send data to another host on a different network. What is the first action that the sending host will take?()

A. Drop the data.

B. Send the data frames to the default gateway.

C. Create an ARP request to get a MAC address for the receiving host.

D. Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host.


参考答案：C

第6题：

In any NAT (network address translation) configuration, what is the Inside Global IP address?()

A. The summarized address for all internal subnetted addresses.

B. A private IP address assigned to a host on the inside network.

C. A registered address that represents an inside host to an outside network.

D. A unique IP address used on an internal network

E. Non of the above


参考答案：C

第7题：

If a host on a network has the address 172.16.45.14／30, what is the address of the subnetwork to which this host belongs?()

A. 172.16.45.0

B. 172.16.45.4

C. 172.16.45.8

D. 172.16.45.12

E. 172.16.45.18


参考答案：D

第8题：

Which two statements about subnet masks are true?()

A.If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.

B.If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.

C.If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.

D.If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.


参考答案：B, C

第9题：

Refer to the graphic.Host A is communicating with the seiver. What will be the source MAC address of the frames received by Host A from the server?()

A.the MAC address of the seiver network interface

B.the MAC address of host A

C.the MAC address of router interface e 1

D.the MAC address of router interface e0


参考答案：D

第10题：

Each machine in the internet is assigned a unique network address，called （ ） ，that is used to identify the machine for communication purposes.

A.MAC address
B.IP address
C.host address
D.domain name address

答案：B
解析：
在互联网上的每个计算机都被分配了一个IP地址，这个地址是用来和其他计算机通信的。 A．MAC地址 B．IP地址 C．主机地址 D．域名地址

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