99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<dd id="wtlwj"></dd>

<pre id="wtlwj"><acronym id="wtlwj"><cite id="wtlwj"></cite></acronym></pre>

單項(xiàng)選擇題

A web server has to be available all the time.It has its own redundant power source anduninterruptible power supply（UPS）.Which of the following actions will provide additional fault to lerance？（）

A.Add a second DVD drive
B.Add an extended runtime module（ERM） to the UPS
C.Configure automated system recovery（ASR）
D.Add a second NIC

你可能感興趣的試題

單項(xiàng)選擇題

An administrator is upgrading memory on the server. Once the server in turned back on, the administrator notices that the memory has not changed. The system board website says the board should accept the new amount of memory.Which of the following should the administrator do FIRST?（）

A. Replace memory chips with known good memory chips.
B. Reseat the memory chips.
C. Update the BIOS.
D. Upgrade the server OS

單項(xiàng)選擇題

An administrator gets a call that multiple users do not have network access to the company server that they have been using for five years. Users can access the other servers and computers in the building and check their home email accounts. The administrator tests the server’s Ethernet cable，verifies it works， and plugs it back into the NIC only to receive no status lights. Which of the following BEST indicates the problem？（）

A.The DNS server is down.
B.The NIC driver on the server is malfunctioning.
C.The DHCP server is down.
D.The server’s NIC is malfunctioning.