多选题Which two options best describe the purpose of session ID and cookie field in a L2TPv3 packet？（）AThe session ID is a 32-bit locally significant field used to identify the call on the destination or egresstunnel endport. The session ID will be negotiate

第1题：

Which two options best describe the purpose of session ID and cookie field in a L2TPv3 packet？（）

• A、The session ID is a 32-bit locally significant field used to identify the call on the destination or egresstunnel endport. The session ID will be negotiated by the control connection or statically defined if usingthe L2TP v3 data plane only
• B、The cookie is a variable length（with a maximum of eight bytes），word-aligned optional field. The controlconnection can negotiate this as an additional level of guarantee beyond the regular session ID lookupto make sure that a data message has been directed to the correct session or that any recently reusedsession ID will not be misdirected
• C、The cookie is a 32-bit locally significant field used to identify the call on the destination or egress tunnelendpoint. The cookie will be negotiated by the control connection or statically defined if using theL2TPv3 data plane only
• D、The session ID is a variable length（with a maximum of eight bytes），word-aligned optional field the control connection can negotiate this as an additional level of guarantee beyond the regular cookielookup to make sure that a data message has been directed to the correct session or that any recentlyreused cookie will not be misdirected.

第2题：

Which two statements complete a transaction?（）

• A、DELETE employees;
• B、DESCRIBE employees;
• C、ROLLBACK TO SAVE POINT C;
• D、GRANT SELECT ON employees TO SCOTH
• E、ALTER TABLE employees SET UNUSED COLUMN sal;
• F、Select MAX(sal) FROM employees WHERE department _ id 20;

第3题：

Which are the two options to which a menu can be assigned?（） (Choose two.)

• A、menu
• B、functions
• C、data group
• D、responsibility
• E、functional group

第4题：

Which two of these statements best describe the benefits of WPAv1？ （）

• A、 SSID broadcast prevention
• B、 Improved mutual authentication
• C、 Improved encryption through AES
• D、 Improved protection against sniffing initialization vectors
• E、 RF jamming prevention

第5题：

Which two statements describe the purpose of a security policy？（）

• A、It enables traffic counting and logging.
• B、It enforces a set of rules for transit traffic.
• C、It controls host inbound services on a zone.
• D、It controls administrator rights to access the device.

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第13题：

Which two of these statements best describe the benefits of WPAv2？ （Choose two.）（）

• A、 SSID broadcast prevention
• B、 man-in-the-middle attack protection
• C、 cost reduction through software upgrades in all existing hardware
• D、 dynamic key generation
• E、 RF jamming prevention

第14题：

Which two statements complete a transaction? （）

• A、DELETE employees;
• B、DESCRIBE employees;
• C、ROLLBACK TO SAVEPOINT C;
• D、GRANT SELECT ON employees TO SCOTT;
• E、ALTER TABLE employees SET UNUSED COLUMN sal;
• F、SELECT MAX(sal) FROM employees WHERE department_id = 20;

第15题：

Which two statements accurately describe an IBGP peering session?（） (Choose two.)

• A、Peers are statically defined.
• B、Peers exist within the same AS.
• C、Peers must be directly connected to each other.
• D、Peers advertise routes learned from other IBGP neighbors.

第16题：

Which two of these statements best describe fast secure roaming？ （Choose two.）（）  

• A、 available only in autonomous APs
• B、 available in autonomous and lightweight APs
• C、 a feature of WDS in autonomous APs
• D、 a feature of WDS in lightweight APs
• E、 requires at least one AP and one Wireless LAN Services Module

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