Which of the following is not true about one-time passwords?
a. Users' pagers can receive them.
b. They can be used in conjunction with a token system.
c. The user must enter the one-time password to gain access or the connection is terminated.
d. This is a good security solution for users who travel frequently and who must have secure dial-in access.
e. They create a packet level firewall on the system
Answer: e. They create a packet level firewall on the system
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Which of the following statements will print a single line containing "hello there"?
a. System.out.println("hello"); System.out.println(" there"); b. System.out.println("hello" , " there"); c. System.out.println("hello"); System.out.print(" there"); d. System.out.print("hello"); System.out.println(" there");
When a subclass overloads a superclass method __________.
a. both methods may be called with a subclass object b. only the subclass method may be called with a subclass object c. only the superclass method may be called with a subclass object d. neither method may be called with a subclass object
Use the sh ip int brief command to verify that the Fast Ethernet interface has been configured and the router’s status and protocol are both up and up. After you have completed the configuration, verify that each computer in the LAN can ping the other computers.
Also verify that each computer can ping the router’s gateway IP address [10.10.20.250]. If any of the assigned IP addresses fail to generate a reply, troubleshoot and correct the problem(s) until all interfaces can ping each other.
The header of a two-page letter includes the ____.
A. recipient's full name, Page 2, and the date B. recipient's full name, the date, and Page 2 C. the sender's full name, Page 2, and the date D. the sender's full name, the date, and Page 2