Which of the following is not an advantage of using Cat5 unshielded twisted pair for cabling LANs?
a. cost (relative to fiber)
b. thickness (relative to coax)
c. weight (relative to coax)
d. flexibility (relative to coax)
e. security (relative to fiber)
Ans: e. security (relative to fiber)
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In a vector, which of the following statements is true?
a) Indexing vector access is range checked. b) The range of legal index values for a vector is 0 to the value of v.size()-1 c) To add a value use the member function v.push_front( ) d) To manage size of reserve use v.reserve(newReserve) e) To increase or decrease a vector’s size v.new_size(newSize);
Case 19-2 Cindy, an intern at a publishing house, has to use Microsoft Access 2016 to prepare forms and database reports for all the outgoing articles in that particular month. Since the records are huge, Cindy uses wildcard characters to perform searches in the report. ?Cindy has to list all the article titles published in 2015. Which of the following wildcard searches should Cindy use to find the fields with values ending with"2015" in the report?
A. ?*2015 B. ?_2015 C. ?%2015 D. ?@2015
A mobile device user has entered her user ID and password to access an online account. The user immediately receives a text message with a unique PIN that must be entered before she is granted access to the account. Which of the following describes the security method being used?
A. Multifactor authentication B. Full device encryption C. Biometric authentication D. Fingerprint unlock
Normalization is usually viewed as a multistep process, moving the table structures from first normal form (1NF) to usually fifth normal form (5NF).
Answer the following statement true (T) or false (F)