A new router, named TK1, is being installed. You wish to add this router to your existing OSPF network. In doing so, you configure the following:<br /> TK1(config)# router ospf 1<br /> TK1(config-router)# network 10.10.10.0 255.255.255.0 area 0<br /> After making this change, you notice that the networks attached to TK1 are not being learned by the other OSPF routers. What could be the cause of this?（）..

第1题

[单选题] There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）

A、Router A remains the DIS and generates a new pseudonode LSP for that LAN B、Router A remains the DIS and NO new pseudonode LSP is generated for that LAN C、Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router A D、Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A

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第2题

[单选题] 正确地为路由器命名为R1的命令是（）。

A、hostname R1 B、name R1 C、router name R1 D、name router R1

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第3题

[单选题] A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）

A、The new router will become active immediately because it’s the newest router introduced intothe group B、The new router can become active only when the existing active router and the existing standbyrouter become unavailable C、The new router has a lower priority value D、The new router will never become active unless the existing active router becomes unavailable E、The new router has preempt configured and a higher priority F、The new router has a higher priority value

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第4题

[单选题] 创建一个对象obj，该对象包含一个名为"name"的属性，其值为"value"。以下哪一段JavaScript代码无法得到上述的结果？（）

A、varobj=new Object（）；obj["name"]="value"； B、var obj=new Object（）；obj.prototype.name="value"； C、var obj={name："value"}； D、var obj=new function（）{this.name="value"；}

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第5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 You issue these statements: CREATE table new_emp ( employee_id NUMBER, name VARCHAR2(30)); INSERT INTO new_emp SELECT employee_id , last_name from employees; Savepoint s1; UPDATE new_emp set name = UPPER(name); Savepoint s2; Delete from new_emp; Rollback to s2; Delete from new_emp where employee_id =180; UPDATE new_emp set name = 'James'; Rollback to s2; UPDATE new_emp set name = 'James' WHERE employee_id =180; Rollback; At the end of this transaction, what is true?（）

A、You have no rows in the table. B、You have an employee with the name of James. C、You cannot roll back to the same savepoint more than once. D、Your last update fails to update any rows because employee ID 180 was already deleted.

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第6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 You issue these statements: CREATE table new_emp ( employee_id NUMBER, name VARCHAR2(30)); INSERT INTO new_emp SELECT employee_id , last_name from employees; Savepoint s1; UPDATE new_emp set name = UPPER(name); Savepoint s2; Delete from new_emp; Rollback to s2; Delete from new_emp where employee_id =180; UPDATE new_emp set name = 'James'; Rollback to s2; UPDATE new_emp set name = 'James' WHERE employee_id =180; Rollback; At the end of this transaction, what is true?（）

A、You have no rows in the table. B、You have an employee with the name of James. C、You cannot roll back to the same savepoint more than once. D、Your last update fails to update any rows because employee ID 180 was already deleted.

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第7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 You issue these statements: CREATE table new_emp ( employe_id NUMBER, name VARCGAR2(30)); INSERT INTO new_emp SELECT employee_id, last_name from employees; Savepoint s1; UPDATE new_emp set name = UPPER(name); Savepoint s2; Delete from new_emp; Rollback to s2; Delete from new_emp where employee_id=180; UPDATE new_emp set name = 'James'; Rollback to s2; UPDATE new_emp sey name = 'James' Where employee_id=180; Rollback; At the end of this transaction, what is true?（）

A、You have no rows in the table. B、You have an employee with the name of James. C、You cannot roll back to the same savepoint more than once. D、Your last update fails to update any rows because employee ID 180 was already deleted.

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第8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 You issue these statements: CREATE table new_emp ( employe_id NUMBER, name VARCGAR2(30)); INSERT INTO new_emp SELECT employee_id, last_name from employees; Savepoint s1; UPDATE new_emp set name = UPPER(name); Savepoint s2; Delete from new_emp; Rollback to s2; Delete from new_emp where employee_id=180; UPDATE new_emp set name = 'James'; Rollback to s2; UPDATE new_emp sey name = 'James' Where employee_id=180; Rollback; At the end of this transaction, what is true? （）

A、You have no rows in the table. B、You have an employee with the name of James. C、You cannot roll back to the same savepoint more than once. D、Your last update fails to update any rows because employee ID 180 was already deleted.

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第9题

[单选题] You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?（）

A、Router# copy tftp flash B、Router# copy flash run C、Router(config)# restore flash D、Router(config)# repair flash E、Router#copy flash tftp F、Router# copy start flash

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第10题

[] You just purchased a refurbished router that contains a configuration from a previous deployment. What should you do, before entering a new configuration into the router?（）

A、A. RAM should be erased and the router restarted. B、B. Flash should be erased and the router restarted. C、C. NVRAM should be erased and the router restarted. D、D. The new configuration should be entered and saved.

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