多项选择题

Which of the following are examples of physical security measures?（）

A. Policies and procedures
B. Encryption
C. Locked doors
D. Security personnel
E. Backup tapes

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单项选择题

A new server was installed. Most clients are located in the same subnet as the server and can successfully access the server. Clients located on different subnets have been unable to access the server, but have no trouble accessing other servers on their subnet.
Which of the following is the reason that these clients are unable to access the server?（）

A. DHCP has assigned the wrong addresses.
B. Incorrect default gateway on the server.
C. DNS entries were not created.
D. WINS server is not responding.

多项选择题

Which of the following are types of biometric devices used in server rooms?（）

A. Mantraps
B. Fingerprint scanners
C. CCTV systems
D. Retina scanner
E. Proxy card readers

单项选择题

A server connects to iSCSI presented SAN storage array through a dedicated NIC; however, the SAN traffic is passed on the same switches as the Ethernet network and VoIP traffic. The size of the presented drive is 700GB. The administrator has noticed a decrease in storage performance.
Which of the following is MOST likely the cause?（）

A. The server power supply is starting to fail and causing the iSCSI NIC to intermittently lose power.
B. There are too many users attempting to access the iSCSI presented disk.
C. The other network traffic is causing packet delays in the iSCSI network.
D. The SAN is nearing capacity and should be expanded