单项选择题
A. The SCSI card is not seated correctly.
B. The termination is incorrectly set on the SCSI card.
C. The SCSI card is not listed on the operating system HCL （Hardware Compatibility List）.
D. Operating system patches were not updated before installing the card.
单项选择题 A company plans to upgrade a network server. Before proceeding with the upgrade， the HCL （Hardware Compatibility List） and hardware is checked and necessary backups and documentation are made. The existing 512 MB of SDRAM is replaced with 1024 MB. The 10 Mbps network card is replaced with a 10/100 PCI network card. When the server restarts， beeps sound and the server does not pass the POST. Which of the following is the MOST likely cause of the problem？（）
单项选择题 WhichofthefollowingisthefunctionaldescriptionofaserverconnectedbetweentwoseparateIPsubnets？（）
单项选择题 Click the Exhibit button. From a local machine， connectivity with a server named server1.comptia.org is checked. It cannot be reached， but it can be accessed via the IP address. Which of the following is the MOST common cause of this error？（）