第
47題: 以太網鏈路聚合技術是將 ( )。
A.多個邏輯鏈路聚合成一個物理鏈路
B.多個邏輯鏈路聚合成一個邏輯鏈路
C.多個物理鏈路聚合成一個物理鏈路
D.多個物理鏈路聚合成一個邏輯鏈路
答案解析與討論:
www.doupaipaierp.com/st/2377011837.html第
48題: POP3協(xié)議采用(1)模式進行通信,當客戶機需要服務時,客戶端軟件與POP3服務器建立 (2) 連接。
(1)
A.Browser
B.Client/Server
C.Peer to Peer
D.peer to Server
(2)
A.TCP
B.UDP
C.PHP
D.IP
答案解析與討論:
www.doupaipaierp.com/st/237711708.html第
49題: TCP協(xié)議使用(1)次握手過程建立連接,這中方法可以防止 (2) ,TCP使用的流量控制協(xié)議是 (3)。
(1)
A.一
B.二
C.三
D.四
(2)
A.出現半連接
B.出現錯誤連接
C.假冒的連接
D.無法連接
(3)
A.固定大小的滑動窗口協(xié)議
B.可變大小的滑動窗口協(xié)議
C.后退N幀ARQ協(xié)議
D.選擇性重發(fā)ARQ協(xié)議
答案解析與討論:
www.doupaipaierp.com/st/237726977.html第
51題:
PC機不能接入因特網,這時采用抓包工具捕獲的以太網接口發(fā)出的信息如下:

可以看出該PC機的IP地址為(1),默認網關的IP地址為 (2) ,PC不能接入Internet的原因可能是 (3) 。
(1)A.213.127.115.31
B.213.127.115.255
C.213.127.115.254
D.224.1.1.1
(2)A.213.127.115.31
B.213.127.115.255
C.213.127.115.254
D.224.1.1.1
(3)A.DNS解析錯誤
B.TCP/IP協(xié)議安裝錯誤
C.不能連接到網關
D.DHCP服務器工作不正常
答案解析與討論:
www.doupaipaierp.com/st/2377428153.html第
52題: Thede facto standard Application Program Interface (API) for TCP/IP applicationsis the “sockets” interface. Although this API was developed for (1) in the early 1960s it has also been implemented on a widevariety of no-Unix systems. TCP/IP (2) Writtenusing the sockets API have in the past enjoyed a high degree of portability andwe would like the same (3) with IPv6applications. But changes are required to the sockets API to support IPv6 andthis memo describes these changes. These include a new socket address structureto carry IPv6 (4) ,new address conversion functions,and some new socket options. These extensions are designed to provide access tothe basic IPv6 features requited by TCP and UDP applications, includingmulticasting, while introducing a minimums of change into the system and providingcomplete (5) for existing IPv4 applications.
(1)A.Windows
B.Linux
C.Unix
D.DOS
(2)A.applications
B.networks
C.protocols
D.systems
(3)A.portability
B.availability
C.calability
D.reliability
(4)A.connections
B.protocols
C.networks
D.address
(5)A.availability
B.compatibility
C.capability
D.reliability
答案解析與討論:
www.doupaipaierp.com/st/2377516881.html