If an unanticipated conflict develops once the meeting is in progress, either appoint a subcommittee to（）the problem...

第1题

[单选题] Which of the following will occur if an operator types the command vi file.out?（）

A、If the file exists it will be opened for editing. If the file does not exist an error message will be displayed. B、If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing. C、If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing. D、If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.

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第2题

[单选题] Risk of collision may exist（）.

A、if the compass bearing of an approaching vessel does not appreciably change B、even when an appreciable bearing change is evident, particularly when approaching a vessel at close range C、if you observe both sidelights of a vessel ahead for an extended period of time D、All of the above

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第3题

[单选题] Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）

A、After an unsuccessful reboot B、If a user’s IP address has been spoofed C、After using IPCONFIG /RELEASE D、If the computer has an ARP address conflict

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第4题

[单选题] Risk of collision may be deemed to exist（）.

A、if the compass bearing of an approaching vessel does not appreciably change B、even when an appreciable bearing change is evident, particularly when approaching a vessel at close range C、if you observe both sidelights of a vessel ahead for an extended period of time D、All of the above

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第5题

[单选题] Which statement is correct regarding the operation of DHCP?（）

A、A DHCP client uses a ping to detect address conflicts. B、A DHCP server uses a gratuitous ARP to detect DHCP clients. C、A DHCP client uses a gratuitous ARP to detect a DHCP server. D、If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict. E、If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator. F、If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted.

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第6题

[单选题] Which statement is correct regarding the operation of DHCP?（）

A、A DHCP client uses a ping to detect address conflicts.(ARP) B、A DHCP server uses a gratuitous ARP to detect DHCP clients. C、A DHCP client uses a gratuitous ARP to detect a DHCP server. D、If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict. E、If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator. F、If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted.

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第7题

[单选题] Study the information and the relevant configuration file below for the Testking Branch router What additional command must be executed on the Branch router before interesting traffic will initiate an ISDN call?（）

A、(config-if)# dialer-group 1 B、(config-if)# dialer-list 1 C、(config-if)# dialer map 1 D、(config-if)# dialer-route 1

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第8题

[多选题] In which situations does the Oracle Data Pump use external tables and not the direct path load whileexporting a table（）

A、if a table is not in a cluster B、if a table has an active trigger C、if a table has an encrypted D、if a table has a column of data type LONG defined on it E、if a table has a referential integrity constraint defined on it

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第9题

[单选题] On entering from seaward，a starboard side daymark will（）.

A、show a fixed red light if lighted B、show a Morse (A) white light C、be square in shape D、have an even number if numbered

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If an unanticipated conflict develops once the meeting is in progress, either appoint a subcommittee to（）the problem.

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