What Layer 2 protocol can present a security risk when enabled on an untrusted interface?
A. CDP
B. Frame Relay
C. HDLC
D. PPP
A
Explanation: By default, Cisco devices (perhaps the most widely used) use a proprietary Layer 2 protocol called Cisco Discovery Protocol (CDP) to inform each other about their capabilities. If the CDP packets are captured, additional information can be obtained that can be helpful in mapping the network in advance of an attack.
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a. bottom-up testing b. top-down testing c. stepwise refinement d. stub design e. system integration
Polymorphism involves:
a) the same message sent to a variety of objects of types related by inheritance b) a specific message sent to each specific object c) different messages sent to one object d) None of the above.
Which of the following statements is TRUE about master documents and subdocuments?
A) Changes can be made to a master document at any time, but to subdocuments only when they are unlocked. B) You can issue locks to all the subdocuments collectively. C) When a master document is locked, all subdocuments are automatically unlocked. D) When a master document is locked, all subdocuments are locked.
Which of the following is one of the three broad categories of SNMP message types?
A) SNMP GET, SNMP SET, SNMP trap B) SNMP GET, SNMP SET, SNMP GO C) SNMP Transmit, SNMP Receive, SNMP Capture D) SNMP Message, SNMP Time, SNMP Date