Which TCP/IP port does unified communication use?
Answer: 1720
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To remove the first node in a nonempty linked list,
A) move the successor reference in the head node one node forward: head.next = head.next.next; B) set a reference pred to the predecessor of the node you want to remove, and set the successor of pred to the successor of the head C) move the head reference one node forward: head = head.next; D) delete the node by setting the head reference to null: head = null;
Which of the following is not true about digital signatures?
A) It is invisible. B) It is visible. C) They can be obtained from Microsoft partners. D) They are encrypted.
Additions to a namespace defined in one file can not be made in another file.
Answer the following statement true (T) or false (F)
Your company decides to implement hashing to ensure that several crucial files are not changed. Which security tenet will this cover?
A. Confidentiality B. Integrity C. Availability D. Accountability