无码AV一区免费在线观看,久久久久亚洲国产av麻豆

單項選擇題下列哪一條命令用于配置DCC的鏈路處于斷開狀態(tài)后，重新建立鏈接等待的時間？（）

A.dialer time ridle
B.dialer time rcompete
C.dialer time renable
D.dialer time rwait-carrier

您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?（）

A.Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command
B.Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command
C.Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them
D.Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security

點擊查看答案

2.單項選擇題Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server（）。

A.denial of service
B.brute force
C.reconnaissance
D.Trojan horse

點擊查看答案

3.單項選擇題V．24接口工作在同步方式下最高傳輸速率是（）。

A.64000 bps
B.115200 bps
C.2048000 bps
D.4096000 bps

點擊查看答案

4.單項選擇題The network administrator is asked to configure 113 point-to-point links. Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses？（）

A.10.10.0.0/18 subnetted with mask 255.255.255.252
B.10.10.0.0/25 subnetted with mask 255.255.255.252
C.10.10.0.0/24 subnetted with mask 255.255.255.252
D.10.10.0.0/23 subnetted with mask 255.255.255.252
E.10.10.0.0/16 subnetted with mask 255.255.255.252

點擊查看答案

5.判斷題X.25作為國際通用標(biāo)準(zhǔn)的廣域網(wǎng)協(xié)議，內(nèi)置的差錯糾正，流量控制和丟包重傳機制使之具有高度的可靠性，由于數(shù)據(jù)吞吐率很低，包時延較大，故不適于在質(zhì)量差的信道上傳輸數(shù)據(jù)。

參考答案：錯

6.單項選擇題What is the difference between a CSU/DSU and a modem?（）

A.A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line
B.A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line
C.A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line
D.A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line

點擊查看答案

7.單項選擇題配置備份中心的目的是（）。

A.增加網(wǎng)絡(luò)帶寬
B.提高網(wǎng)絡(luò)可用性
C.降低網(wǎng)絡(luò)傳輸費用
D.防止數(shù)據(jù)傳輸意外中止

點擊查看答案

8.多項選擇題路由器作為網(wǎng)絡(luò)互連設(shè)備，必須具備以下哪些特點？（）

A.支持路由協(xié)議
B.至少具備一個備份口
C.到少支持兩個網(wǎng)絡(luò)接口
D.協(xié)議至少要實現(xiàn)到網(wǎng)絡(luò)層
E.具有存儲、轉(zhuǎn)發(fā)和尋徑功能
F.至少支持兩種以上的子網(wǎng)協(xié)議

點擊查看答案

9.多項選擇題關(guān)于MAC地址表示正確的是（）。

A.00-e0-fe-01-23-45
B.00e0.fe01.2345
C.00e.0fe.-012.345
D.00e0.fe112345

點擊查看答案

10.單項選擇題The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。

A.This command should be executed from the global configuration mode
B.The IP address 10.121.16.8 is the local router port used to forward data
C.102 is the remote DLCI that will receive the information
D.This command is required for all Frame Relay configurations
E.The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC

點擊查看答案