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2010-11-11 10:35:45
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考试代号：
认证名称：CCIE Pre-Qualification Test for Security
版本号：V11.02
考题数量：316道
更新日期：2010-11-5
1. Which access control model provides access to system resources based on the job function of the user or the tasks that the user has been assigned?
A. Context Based Access Control
B. Rule Based Access Control
C. Mandatory Access Control
D. Discretionary Access Control
E. Role Based Access Control
Answer: E
2. Which type of attacks can be monitored and mitigated by CS-MARS using NetFlow data?
A. Spoof attack
B. Buffer Overflow
C. Man-in-the middle attack
D. Trojan Horse
E. Day zero attack
F. Land.C attack
Answer: E
3. Which of the following are valid RADIUS packet flows'C indicates the user (such as a wireless laptop),N indicates the NAS,and S indicates an ACS Server(Choose 2)
A. N to S:RADIUS Access- Challenge S to N: RADIUS Access-Accept
B. N to S:RADIUS Access-Request S to N: RADIUS Access-Reject N to S:RADIUS Access- Challenge S to N: RADIUS Access-Accept
C. C to N: RADIUS Access-Request N to C: RADIUS Access- Reject C to N: RADIUS Access- Challenge N to C: RADIUS Access-Accept
D. C to N: RADIUS Access-Request N to C: RADIUS Access-Accept
E. N to S:RADIUS Access-Request S to N: RADIUS Access-Challenge N to S: RADIUS Access-Request S to N: RADIUS Access-Accept
Answer: DE
4. Choose the statement that best describes the correct characteristics pertinent to symmetric or
asymmetric keys.
A. Symmetric key cryptography uses two distinct and separate keys for encryption and decryption.
B. Symmetric key cryptography uses a single, shared key for encryption and decryption.
C. Asymetric key cryptography uses the same key for both encryption and decryption.
D. Asymetric key cryptography can only be used for decryption of information.
E. Both asymmetrivc and symmetric key cryptography can only encrypt information.
Answer: B
5 What functionality best defines the use of a 'stub' area within an OSPF environment?
A. A stub area appears only on remote areas to provide connectivity to the OSPF backbone.
B. A stub area is used to inject the default route for OSPF.
C. A stub area uses the no-summary keyword to explicitly block external routes, defines the non-transit area, and uses the default route to reach external networks.
D. A stub area is used to reach networks external to the sub area.
Answer: C
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