单项选择题

After upgrading the SNMP （Simple Network Management Protocol） protocol， the （）can be looked up. It is a sequence of integers that uniquely identifies a path to a managed object.

A. MIB （Management Information Base）
B. OID （ObjectIDentifier）
C. register
D. community name

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The latest SCSI adaptor card is purchased from a vendor. Drivers for the operating system cannot be obtained. The SCSI adapter card is added to an existing server. Upon booting， the operating system does not detect the card. Which of the following is the MOST likely cause of the problem？（）

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.

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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？（）

A. The memory is not seated correctly.
B. The network card is not configured correctly.
C. The server does not support 1024 MB of memory.
D. Master SDRAM ECC needs to be enabled in the CMOS.

单项选择题

Which of the following is the functional description of a server connected between two separate IP subnets？（）

A. server as a bridge
B. server as a router
C. server as a switch
D. server as a data link