单项选择题Which of the following BEST describes the function of a DNS server?()

A. Secures network traffic through shared key encryption.
B. Provides resolution of host names to IP addresses.
C. Provides security for a network through the use of ACLs.
D. Dynamically assigns IP addresses for easy client configuration.


您可能感兴趣的试卷

你可能感兴趣的试题

1.单项选择题A user calls and says they cannot get to the Internet. How would a technician walk the user through checking the IP address and default Gateway on the computer?()

A. Start>Run>type ipconfig>click OK and ask user to read the results.
B. Start>Run>type cmd>click OK>type ipconfig /flushdns>press enter and ask user to read the results.
C. Start>Run>type cmd>click OK>type ipconfig /release>press enter key and ask user to read the results.
D. Start>Run>type cmd>click OK>type ipconfig /all>press enter key and ask user to read the results.

2.多项选择题Which of the following bus speeds is used for a PCIe card?()

A. 1x
B. 3x
C. 6x
D. 8x
E. 24x

3.单项选择题Which of the following connector types is used with twisted pair cable?()

A. T-Connector
B. BNC
C. RJ-45
D. LC

4.单项选择题Which of the following allows verification of the port that a printer is currently using?()

A. The print queue window from system tray
B. Properties of the printer from the Printers Control Panel
C. Print spooler view in the Printers Control Panel
D. Properties of the port within Device Manager

5.单项选择题Which of the following protocols uses port 80?()

A. SMTP
B. HTTP
C. HTTPS
D. FTP

6.单项选择题While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()

A. Help limit radio frequency interference (RFI) inside the case.
B. Help ensure proper air flow through the case.
C. Help prevent moisture buildup in the case.
D. Help limit electrostatic discharge (ESD) inside the case.

7.多项选择题Which of the following are valid ports for printing over a network? ()

A. USB 001
B. \\computername\sharename
C. SNMP
D. IP_ip_address
E. IEEE 1394


最新试题

Which of the following bus speeds is used for a PCIe card?()

题型:多项选择题

A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?()

题型:单项选择题

A technician is replacing fifteen 21 CRTs with 19 LCDs. The storage room is on the other side of the building. Which of the following safety measures should the technician take? ()

题型:单项选择题

Which of the following describes the 25 or 9 pin connector with male pins on the back of a laptop computer?()

题型:单项选择题

The BEST information to document when changing the refresh rate on the display is to include:()

题型:单项选择题

Which of the following printers would be the BEST choice for printing on multi-part forms?()

题型:单项选择题

Which of the following features is only available with the Windows XP Professional version ascompared to the Windows XP Home version? ()

题型:单项选择题

A user calls and says they cannot get to the Internet. How would a technician walk the user through checking the IP address and default Gateway on the computer?()

题型:单项选择题

Which of the following protocols uses port 80?()

题型:单项选择题

Which of the following BEST describes the initial process of setting up a new operating system from a CD-ROM? ()

题型:单项选择题