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单选题
The root id is set so that direct login is disabled. Information must be reviewed relating to when root access was obtained. In which of the following files is this information located?（）
A
/var/adm/sulog
B
/var/adm/wtmp
C
/etc/security/user
D
/etc/security/failedlogin
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Catalyst 6500(Catalyst OS系统)中设置主root的命令格式是——。A．spanning-tree vlanvlansroot primaryB．spanning-tree vlanvlansroot secondaryC．set spantree rootvlansD．set spantree root secondaryvlans
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Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （）A、Designated Root CostB、bridge ID priorityC、max ageD、bridge ID MAC addressE、Designated Root PriorityF、forward delay
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In the Cisco FabricPath domain， one switch becomes the root for the multidestination tree. Cisco FabricPath switches compare which three parameters to select the root？ （）A、 Root priorityB、 System IDC、 Bridge IDD、 Switch IDE、 Port IDF、 Subswitch ID
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Which of the following settings will reduce packet overhead and overall latency in a standalonepoint-to-point bridge deployment？（）A、enable concatenation on the non-root bridge onlyB、enable concatenation on the root bridge onlyC、enable concatenation on both the root bridge and non-root bridgeD、enable concatenation on the root bridge and set it as desirable on the non-root bridgeE、set concatenation as desirable on the root bridge and enable it on the non-root bridge
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A user is unable to determine the default system texteditor. How can the local administrator assist the user by identifying the default text editor for the system?（）A、Login as the user and run 'echo $ENV'.B、Login as root and run the 'env' command.C、Login as root and 'cat /etc/environment'.D、Login as the user and run the 'env' command.
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A user is unable to determine the default system text editor. How can the local administrator assist the user by identifying the default text editor for the system？（）A、Login as the user and run ’echo $ENV’.B、Login as root and run the ’env’ command.C、Login as root and ’cat /etc/environment’.D、Login as the user and run the ’env’ command.
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在UNIX中，如何禁止root远程登录（）A、/etc/default/login中设置CONSOLE=/dev/rootB、/etc/default/login中设置CONSOLE=/dev/nullC、/etc/default/login中设置CONSOLE=/dev/bootD、/etc/default/login中设置CONSOLE=/etc/null
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The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）A、 1） lowest root bridge id，2）lowest sender bridge id，3）lowest port id，4）lowest root path costB、 1） lowest root path cost，2）lowest root bridge id，3）lowest sender bridge id，4）lowest sender port idC、 1） lowest root bridge id，2）lowest sender bridge id，3）lowest root path cost 4）owest sender port idD、 1） lowest root bridge id，2）lowest root path cost，3）lowest sender bridge id，4）lowest sender port id
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The root id is set so that direct login is disabled. Information must be reviewed relating to when root access was obtained. In which of the following files is this information located?（）A、 /var/adm/sulog B、 /var/adm/wtmp C、 /etc/security/user D、 /etc/security/failedlogin
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考题
Which command would you use to enable chassis cluster on an SRX device, setting the cluster ID to 1 and node to 0?（）A、user@host# set chassis cluster cluster-id 1 node 0 rebootB、user@host set chassis cluster id 1 node 0 rebootC、user@host set chassis cluster cluster-id 1 node 0 rebootD、user@host# set chassis cluster id 1 node 0 reboot
考题
单选题能够将分布交换机配置为生成树的主根交换机的命令是（）。A
spanning-tree vlan vlan-id primaryB
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单选题如何实现文章表news，id字段值为5记录的点击数字段num自增（）。A
Update news set num=num+1；B
Update news set num=num+1 where id==5C
Update news set num=num++ where id=5D
Update news set num=num+1 where id=5
考题
单选题The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）A
lowest root bridge id；lowest sender bridge id；lowest port id；lowest root path costB
lowest root path cost；lowest root bridge id；lowest sender bridge id；lowest sender port idC
lowest root bridge id；lowest sender bridge id；lowest root path cost；lowest sender port idD
lowest root bridge id；lowest root path cost；lowest sender bridge id；lowest sender port id
考题
单选题The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）A
1） lowest root bridge id，2）lowest sender bridge id，3）lowest port id，4）lowest root path costB
1） lowest root path cost，2）lowest root bridge id，3）lowest sender bridge id，4）lowest sender port idC
1） lowest root bridge id，2）lowest sender bridge id，3）lowest root path cost 4）owest sender port idD
1） lowest root bridge id，2）lowest root path cost，3）lowest sender bridge id，4）lowest sender port id
考题
单选题Which of the following settings will reduce packet overhead and overall latency in a standalonepoint-to-point bridge deployment？（）A
enable concatenation on the non-root bridge onlyB
enable concatenation on the root bridge onlyC
enable concatenation on both the root bridge and non-root bridgeD
enable concatenation on the root bridge and set it as desirable on the non-root bridgeE
set concatenation as desirable on the root bridge and enable it on the non-root bridge
考题
单选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2 (25) LAST_NAME VARCHAR2 (25) HIRE_DATE DATE Which UPDATE statement is valid?（）A
UPDATE employees SET first_name = 'John' SET last_name = 'Smith' WHERE employee_id = 180;B
UPDATE employees SET first_name = 'John', SET last_name = 'Smoth' WHERE employee_id = 180;C
UPDATE employee SET first_name = 'John' AND last_name = 'Smith' WHERE employee_id = 180;D
UPDATE employee SET first_name = 'John', last_name = 'Smith' WHERE employee_id = 180;
考题
单选题The root id is set so that direct login is disabled. Information must be reviewed relating to when root access was obtained. In which of the following files is this information located?（）A
/var/adm/sulog B
/var/adm/wtmp C
/etc/security/user D
/etc/security/failedlogin
考题
单选题Your companys security policy requires complex passwords. You have a comma delimited file named import.csv that contains user account information. You need to create user accounts in the domain by using the import.csv file. You also need to ensure that the new user accounts are set to use default passwords and are disabled. What should you do（）A
Modify the userAccountControl attribute to disabled. Run the csvde i k f import.csv command. Run the DSMOD utility to set default passwords for the user accounts.B
Modify the userAccountControl attribute to accounts disabled. Run the csvde f import.csv command. Run the DSMOD utility to set default passwords for the user accounts.C
Modify the userAccountControl attribute to disabled. Run the wscript import.csv command. Run the DSADD utility to set default passwords for the imported user accounts.D
Modify the userAccountControl attribute to disabled. Run the ldifde i f import.csv command. Run the DSADD utility to set passwords for the imported user accounts.
考题
多选题Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （）ADesignated Root CostBbridge ID priorityCmax ageDbridge ID MAC addressEDesignated Root PriorityFforward delay
考题
单选题For SLIP to work， what should the "Enable Login" value be set to on both systems？（）A
EnableB
DisableC
ShareD
Delay
考题
多选题Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree ProtocolIEEE 802.1 D？（）ADesignated Root CostBbridge ID priorityCmax ageDbridge ID MAC addressEDesignated Root PriorityFforward delay
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