搜题

【单选题】

All the following is true except that（）.

A、in many places a counter current flows in opposition to the main current close to the bank

B、current can vary with depth of water and large deep draught ships can experience different current effects at differing parts of the hull tend to turn to the wind

C、as speed is reduced，the increased proportion of the ship's vector which is attributable to current will set the ship close to obstructions

D、when close to the berth in a head current，there is a danger that flow inshore of the ship becomes restricted and the ship is subject to interactive forces

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更多“All the following is true except that（）.”相关的问题

第1题

[单选题] A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?（）

A、DMZ is enabled. B、MAC filtering is enabled. C、WEP is being used. D、SSID broadcast is disabled.

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第2题

[] You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?（） You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?（）

A、A. The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened. B、B. The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened. C、C. The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted. D、D. Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.

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第3题

[单选题] A network printer will not print. The printer is online and visible. All the print jobs complete but the printer will not operate. Which of the following is the MOST likely cause?（）

A、The drum is faulty. B、The print buffer is full. C、The printer is out of toner. D、The fuser is faulty.

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第4题

[单选题] Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows: Which statement is true about the duplicate database in this scenario?（）

A、It contains data till the last backup B、It contains all data from target database until the current time C、It contains all data from only the committed transactions in the target database D、It contains all data except that which is used by the transactions in the current online redo file of target database

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第5题

[] It is a company’s policy to shut down all workstations at the end of the day. However, the majority of employees are leaving disks in their workstations and upon start up the next morning they are receiving a ‘NTLDR is missing’ error. Which of the following is a possible solution?（） It is a company’s policy to shut down all workstations at the end of the day. However, the majority of employees are leaving disks in their workstations and upon start up the next morning they are receiving a ‘NTLDR is missing’ error. Which of the following is a possible solution?（）

A、A. Make a daily announcement to remove all disks before departing for the day. B、B. Change the Boot order in the BIOS. C、C. Make it a part of the evening checks to ensure all disks are removed. D、D. Make a company policy that states that it is unlawful to leave disks in the machines.

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第6题

[单选题] A user reports it takes a long time to load all applications and the hard drive LED is showing constant activity. Which of the following is MOST likely the issue?（）

A、The processor is faulty. B、The file system is fragmented. C、The modem drivers are corrupt. D、The power supply is faulty.

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第7题

[单选题] Which of the following is true concerning Frame Relay multipoint subinterfaces?（）

A、An IP address is required on the physical interface of the central router. B、All routers are required to be fully meshed. C、All routers must be in the same subnet to forward routing updates and broadcasts. D、Multipoint is the default configuration for Frame Relay subinterfaces.

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第8题

[单选题] A new server was installed for the purpose of monitoring network traffic. The network has been configured in such a way that all traffic will be mirrored out the port this server is connected to. When reviewing the network traffic logs on the server only traffic destined to the server is listed in the logs. Which of the following is preventing the server from seeing all network traffic?（）

A、NIC filtering is enabled. B、Port security is configured. C、NIC is not in promiscuous mode. D、NIC is in promiscuous mode.

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第9题

[单选题] Which of the following is true of an ACL when a packet matching an ACE is found?（）

A、The matching ACE is skipped to allow all other ACEs to be examined. B、The matching ACE is processed and then the last ACE is examined. C、The matching ACE is processed and then the next ACE is examined. D、The matching ACE is processed and the next packet is examined

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第10题

[] A storm’s track is characterized by all of the following except（）.

A、A.the direction the storm has come from B、B.the direction in which the storm is moving C、C.the speed at which the storm is moving D、D.the path taken by the storm

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