A variable must be defined
A) in every program.
B) and initialized at the same time.
C) in order to perform output.
D) before it can be used.
E) in all of the above cases.
D) before it can be used.
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Which of the following is an example of privilege escalation?
A. A hacker accesses a printer from the Internet, then the print server, and then the domain controller B. A hacker sends many oversized ping packets. C. A hacker convinces a user to reveal a password. D. A hacker follows a user into the facility.
A company has attempted to introduce a new major network segment to allow growth in capacity. On the core switch, a GBIC was used to interconnect with a newly placed downstream distribution switch for the first time. Soon after this implementation, a network flood and an outage occurred between the core and new distribution network modules. Which of the following should the network administrator troubleshoot FIRST in order to rectify the issue?
A. Check for switching loops between core and distribution switches. B. Check whether an incorrect VLAN has been assigned to the new distribution switch. C. Check for inconsistent or missing routes between the core and distribution switches. D. Check whether the GBIC was set to multi-mode instead of single-mode SFP.