题目内容

Web服务器和浏览器进行交互时,通过()端口请求来建立TCP连接。

A. 80
B. 16
C. 15
D. 127

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You work as an application developer at Certkiller .com. Certkiller .com has asked you to develop an application allows administrators to control Windows services dynamically without using the Services MMC. You start by creating a class named LocalServiceController. You need to add the correct code to the LocalServiceController class to ensure that administrators are able to start local Windows services.What code should you use?()

A
B
C
D

Your company has an Active Directory domain. A server named Server1 runs the Network Access Policy server role. You need to disable IPv6 for all connections except for the tunnel interface and the IPv6 Loopback interface. What should you do?()

A. Run the netsh ras ipv6 set command
B. Run the netsh interface ipv6 delete command
C. Run ipv6.exe and remove the IPv6 protocol
D. From the Local Area connection Properties, uncheck Internet Protocol Versions 6 (TCP/IPv6)

You work as an application developer at Certkiller .com. Certkiller .com has asked you to create a multi-threaded application, which executes a critical database backup operation on an hourly basis. You define this operation with the following code: public void BackupDB () { //Implementation code } You then create a Thread object for the purpose of invoking this method. You need to ensure that the thread is scheduled for execution before any other thread at runtime.What should you do?()

A
B
C
D

Exhibit: You work as a network technician. Please study the exhibit carefully. In this wireless network, theLAP (lightweight access point) attempts to register to a WLC (Wireless LAN Controller). What kindof message is transmitted?()

A. The lightweight access point will send Layer 2 and Layer 3 Lightweight Access Point (LWAPP)mode discovery request messages at the same time
B. The lightweight access point will send Layer 3 Lightweight Access Point (LWAPP) modediscovery request messages only
C. The lightweight access point will send Layer 2 Lightweight Access Point (LWAPP) modediscovery request messages. If the attempt fails, the LAP will try Layer 3 LWAPP WLC discovery
D. The lightweight access point will send Layer 2 Lightweight Access Point (LWAPP) modediscovery request messages only

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