Which of the following commands verifi...

多项选择题Which of the following commands verifies connectivity between two hosts?（）

A. chkntfs
B. dxdiag
C. tracert
D. ipconfig
E. ping

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1.单项选择题Which of the following is needed to perform an ASR restore in Windows XP?（）

A. Operating system CD
B. Recovery console
C. Vendor recovery CD
D. ERD disk

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2.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.

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3.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.

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4.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

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5.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

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6.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

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

A. SMTP
B. HTTP
C. HTTPS
D. FTP

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8.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.

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9.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

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10.单项选择题Which of the following types of portable media offers the LARGEST storage capacity?（）

A. DVD-DL
B. CD-RW
C. CD-R
D. DVD-R

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