更多"A PC on a network segment sends dat"的相关试题:
[单项选择]You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts. Which network mask do you use?（）
A. /26
B. /27
C. /28
D. /29
[单项选择]A new segment needs to be added to a network to provide access for 64 servers. Which of thefollowing subnets will provide the needed access and still conserve IP addresses?（）
A. 192.168.1.0/26
B. 192.168.1.0/23
C. 192.168.1.0/24
D. 192.168.1.0/25
[单项选择]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.
[单项选择]Data can be （） to another part of the spreadsheet. The original data remains.
A. copied and pasted
B. cut and pasted
C. copied and cut
D. cut and moved
[单项选择]Data can be (75) to another part of the spreadsheet. The original data remains.
A. copied and pasted
B. cut and pasted
C. copied and cut
D. cut and moved
[单项选择]Data can be (74) to another part of the spreadsheet. The original data remains.
A. copied and pasted
B. cut and pasted
C. copied and cut
D. cut and moved
[单项选择]在16位IBM-PC上使用C语言，如定义下列共用体类型变量： union data { int i; char ch; float f; }a,b,c; 则共用体变量a，b，c占用内存的字节数为( )。
A. 1
B. 2
C. 4
D. 6
[单项选择]在16位IBM-PC机上使用C语言，若有如下定义 struct data {int i; char ch； double f; } b； 则结构变量b占用内存的字节数是
A. 1
B. 2
C. 7
D. 11
[单项选择]在16位IBM-PC机上使用C语言，若有如下定义： stmct data { int i; char ch； double f； } b；则结构变量b占用内存的字节数是( )。
A. 1
B. 2
C. 7
D. 11
[单项选择]According to the passage, a volcano sends out
A. boiling water.
B. boiled water.
C. melted rock.
D. melted ice.
[多项选择]When an LNS sends a Start Control Connection Reply to a LAC，which three parameters can be conveyed？（）
A. host name
B. Tunnel ID
C. IP address
D. DHCP reply
E. L2TP version
[单项选择]A networking device that sends packets to all connections is a:（）
A. gateway.
B. hub.
C. switch.
D. router.
[单项选择]You are developing a client that sends several types of SOAP messages to a Windows Communication Foundation (WCF) service method named PostData. PostData is currently defined as follows:[OperationContract]void PostData(Order data);You need to modify PostData so that it can receive any SOAP message. Which code segment should you use？（）
A. [OperationContract(IsOneWay=true, Action="*", ReplyAction="*")] void PostData(Order data);
B. [OperationContract(IsOneWay=true, Action="*", ReplyAction = "*")] void PostData(BodyWriter data);
C. [OperationContract] void PostData(BodyWriter data);
D. [OperationContract] void PostData(Message data);
[单项选择]Mary sends you best wishes a Happy New Year.
A. to
B. for
C. with
D. at
[单项选择]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 R2
F. The MAC address of the s0/0/0 interface of router R2
[多项选择] 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 received
B. prefixes for the link
C. keepalive timers
D. IPv6 address for the host
E. request for the local host IP address
F. lifetime of the prefix
