單項選擇題在封裝了幀中繼協(xié)議的接口上使能動態(tài)逆向地址解析協(xié)議的命令是()。

A.frame-relay inverse-arp
B.frame-realy reverse-arp
C.inverse-arp
D.reverse-arp


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1.多項選擇題Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has beenassigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cablE.Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? ()

A.Replace the straight-through cable with a crossover cable
B.Change the subnet mask of the hosts to /25
C.Change the subnet mask of the hosts to /26
D.Change the address of Workstation A to 192.0.2.15
E.Change the address of Workstation B to 192.0.2.111

2.單項選擇題逆向地址解析協(xié)議(InverseARP)的主要功能是()。

A.通過網(wǎng)絡(luò)設(shè)備的網(wǎng)絡(luò)地址查找到設(shè)備的硬件地址
B.查找連接的DLCI編號
C.在幀中繼網(wǎng)絡(luò)中查找虛電路連接的對端設(shè)備的協(xié)議地址
D.在幀中繼網(wǎng)絡(luò)中生成對端協(xié)議地址與DLCI的映射

3.多項選擇題VRP支持的X.25協(xié)議封裝格式有()。

A.IETF
B.ITU-TQ.933a
C.DDN
D.BFE
E.IEEE802.3
F.Cisco兼容

4.單項選擇題在PPP協(xié)商流程中,LCP協(xié)商是在哪個階段進行的?()

A.Authenticate
B.Network
C.Establish
D.Terminate

5.單項選擇題在封裝HDLC協(xié)議的接口上,設(shè)定狀態(tài)輪詢定時器時間間隔的命令是()。

A.hdlc keepalive
B.keep alive
C.hdlc timeout
D.timer hold

6.單項選擇題下列哪一項關(guān)于網(wǎng)絡(luò)層地址4a.00e0.fc00.23f3的說法是正確的?()

A.IP網(wǎng)絡(luò)號是4a,主機號是00e0.fc00.23fe
B.IPX網(wǎng)絡(luò)號是4a,主機號是00e0.fc00.23fe
C.IP網(wǎng)絡(luò)號是4a.00e0,主機號是fc00.23fe
D.IPX網(wǎng)絡(luò)號是4a.00e0,主機號是fc00.23fe

7.多項選擇題UDP報文中包括的字段有()。

A.源端口/目的端口
B.源地址/目的地址
C.長度和校驗值
D.報文序列號

8.單項選擇題下面哪一個不是TCP報文格式中的域?()

A.子網(wǎng)掩碼
B.序列號
C.數(shù)據(jù)
D.目的端口

9.單項選擇題下面哪一類服務(wù)使用了滑動窗口技術(shù)?()

A.可靠數(shù)據(jù)傳輸
B.面向連接的虛電路
C.高效的全雙工傳輸
D.流量控制

10.多項選擇題DP協(xié)議和TCP協(xié)議的共同之處有()。

A.流量控制
B.重傳機制
C.校驗和
D.提供目的、源端口號