CISSP Official Practice Tests by Mike Chapple, David Seidl

Chapter 10 ■ Practice Test 2 235

17. In this diagram of the TCP three-way handshake, what should system A send to system B
    in step 3?

1

A

A

B

B

2

3

A. ACK

B. SYN

C. FIN

D. RST

18. What RADIUS alternative is commonly used for Cisco network gear and supports two-
    factor authentication?
    A. RADIUS+
    B. TACACS+
    C. XTACACS
    D. Kerberos


19. What two types of attacks are VoIP call managers and VoIP phones most likely to be sus-
    ceptible to?
    A. DoS and malware
    B. Worms and Trojans
    C. DoS and host OS attacks
    D. Host OS attacks and buffer overflows